From f42fab1b76e8435b5de753a35e047b369e07b60a Mon Sep 17 00:00:00 2001 From: Mattias Jonsson Date: Fri, 7 Aug 2009 15:08:32 +0200 Subject: [PATCH 1/3] Bug#32430: 'show innodb status' causes errors Invalid (old?) table or database name in logs Post push patch. Bug was that a non partitioned table file was not converted to system_charset, (due to table_name_len was not set). Also missing DBUG_RETURN. And Innodb adds quotes after calling the function, so I added one more mode where explain_filename does not add quotes. But it still appends the [sub]partition name as a comment. Also caught a minor quoting bug, the character '`' was not quoted in the identifier. (so 'a`b' was quoted as `a`b` and not `a``b`, this is mulitbyte characters aware.) sql/mysql_priv.h: Bug#32430: 'show innodb status' causes errors Invalid (old?) table or database name in logs Added an unquoted mode sql/share/errmsg.txt: Bug#32430: 'show innodb status' causes errors Invalid (old?) table or database name in logs Removed the quoting of identifier, only leaving the translated word. sql/sql_table.cc: Bug#32430: 'show innodb status' causes errors Invalid (old?) table or database name in logs Fixed quoting of '`' Added DBUG_RETURN. Corrected table_name_len. Added unquoted mode. --- sql/mysql_priv.h | 3 +- sql/share/errmsg.txt | 16 +++++----- sql/sql_table.cc | 76 +++++++++++++++++++++++++++++++++++--------- 3 files changed, 71 insertions(+), 24 deletions(-) diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h index 03c366a45bf..609254448e3 100644 --- a/sql/mysql_priv.h +++ b/sql/mysql_priv.h @@ -2261,7 +2261,8 @@ enum enum_explain_filename_mode { EXPLAIN_ALL_VERBOSE= 0, EXPLAIN_PARTITIONS_VERBOSE, - EXPLAIN_PARTITIONS_AS_COMMENT + EXPLAIN_PARTITIONS_AS_COMMENT, + EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING }; uint explain_filename(const char *from, char *to, uint to_length, enum_explain_filename_mode explain_mode); diff --git a/sql/share/errmsg.txt b/sql/share/errmsg.txt index 5531ee71620..3aba434b284 100644 --- a/sql/share/errmsg.txt +++ b/sql/share/errmsg.txt @@ -6184,17 +6184,17 @@ ER_FUNC_INEXISTENT_NAME_COLLISION 42000 # When updating these, please update EXPLAIN_FILENAME_MAX_EXTRA_LENGTH in # mysql_priv.h with the new maximal additional length for explain_filename. ER_DATABASE_NAME - eng "Database `%s`" - swe "Databas `%s`" + eng "Database" + swe "Databas" ER_TABLE_NAME - eng "Table `%s`" - swe "Tabell `%s`" + eng "Table" + swe "Tabell" ER_PARTITION_NAME - eng "Partition `%s`" - swe "Partition `%s`" + eng "Partition" + swe "Partition" ER_SUBPARTITION_NAME - eng "Subpartition `%s`" - swe "Subpartition `%s`" + eng "Subpartition" + swe "Subpartition" ER_TEMPORARY_NAME eng "Temporary" swe "Temporär" diff --git a/sql/sql_table.cc b/sql/sql_table.cc index 0066c66eb59..7e4318b7d16 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -72,7 +72,7 @@ static void wait_for_kill_signal(THD *thd) @brief Helper function for explain_filename */ static char* add_identifier(char *to_p, const char * end_p, - const char* name, uint name_len, int errcode) + const char* name, uint name_len, bool add_quotes) { uint res; uint errors; @@ -92,18 +92,44 @@ static char* add_identifier(char *to_p, const char * end_p, res= strconvert(&my_charset_filename, conv_name, system_charset_info, conv_string, FN_REFLEN, &errors); if (!res || errors) + { + DBUG_PRINT("error", ("strconvert of '%s' failed with %u (errors: %u)", conv_name, res, errors)); conv_name= name; + } else { DBUG_PRINT("info", ("conv '%s' -> '%s'", conv_name, conv_string)); conv_name= conv_string; } - if (errcode) - to_p+= my_snprintf(to_p, end_p - to_p, ER(errcode), conv_name); + if (add_quotes && (end_p - to_p > 2)) + { + *(to_p++)= '`'; + while (*conv_name && (end_p - to_p - 1) > 0) + { + uint length= my_mbcharlen(system_charset_info, *conv_name); + if (!length) + length= 1; + if (length == 1 && *conv_name == '`') + { + if ((end_p - to_p) < 3) + break; + *(to_p++)= '`'; + *(to_p++)= *(conv_name++); + } + else if (length < (end_p - to_p)) + { + to_p= strnmov(to_p, conv_name, length); + conv_name+= length; + } + else + break; /* string already filled */ + } + to_p= strnmov(to_p, "`", end_p - to_p); + } else - to_p+= my_snprintf(to_p, end_p - to_p, "`%s`", conv_name); - return to_p; + to_p= strnmov(to_p, conv_name, end_p - to_p); + DBUG_RETURN(to_p); } @@ -135,6 +161,8 @@ static char* add_identifier(char *to_p, const char * end_p, [,[ Temporary| Renamed] Partition `p` [, Subpartition `sp`]] *| (| is really a /, and it is all in one line) + EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING -> + same as above but no quotes are added. @retval Length of returned string */ @@ -245,28 +273,39 @@ uint explain_filename(const char *from, part_name_len-= 5; } } + else + table_name_len= strlen(table_name); if (db_name) { if (explain_mode == EXPLAIN_ALL_VERBOSE) { - to_p= add_identifier(to_p, end_p, db_name, db_name_len, - ER_DATABASE_NAME); + to_p= strnmov(to_p, ER(ER_DATABASE_NAME), end_p - to_p); + *(to_p++)= ' '; + to_p= add_identifier(to_p, end_p, db_name, db_name_len, 1); to_p= strnmov(to_p, ", ", end_p - to_p); } else { - to_p= add_identifier(to_p, end_p, db_name, db_name_len, 0); + to_p= add_identifier(to_p, end_p, db_name, db_name_len, + (explain_mode != + EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING)); to_p= strnmov(to_p, ".", end_p - to_p); } } if (explain_mode == EXPLAIN_ALL_VERBOSE) - to_p= add_identifier(to_p, end_p, table_name, table_name_len, - ER_TABLE_NAME); + { + to_p= strnmov(to_p, ER(ER_TABLE_NAME), end_p - to_p); + *(to_p++)= ' '; + to_p= add_identifier(to_p, end_p, table_name, table_name_len, 1); + } else - to_p= add_identifier(to_p, end_p, table_name, table_name_len, 0); + to_p= add_identifier(to_p, end_p, table_name, table_name_len, + (explain_mode != + EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING)); if (part_name) { - if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT) + if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT || + explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING) to_p= strnmov(to_p, " /* ", end_p - to_p); else if (explain_mode == EXPLAIN_PARTITIONS_VERBOSE) to_p= strnmov(to_p, " ", end_p - to_p); @@ -280,15 +319,22 @@ uint explain_filename(const char *from, to_p= strnmov(to_p, ER(ER_RENAMED_NAME), end_p - to_p); to_p= strnmov(to_p, " ", end_p - to_p); } + to_p= strnmov(to_p, ER(ER_PARTITION_NAME), end_p - to_p); + *(to_p++)= ' '; to_p= add_identifier(to_p, end_p, part_name, part_name_len, - ER_PARTITION_NAME); + (explain_mode != + EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING)); if (subpart_name) { to_p= strnmov(to_p, ", ", end_p - to_p); + to_p= strnmov(to_p, ER(ER_SUBPARTITION_NAME), end_p - to_p); + *(to_p++)= ' '; to_p= add_identifier(to_p, end_p, subpart_name, subpart_name_len, - ER_SUBPARTITION_NAME); + (explain_mode != + EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING)); } - if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT) + if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT || + explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING) to_p= strnmov(to_p, " */", end_p - to_p); } DBUG_PRINT("exit", ("to '%s'", to)); From 4655118bea2bcb14a06f01046fb06052fd37214c Mon Sep 17 00:00:00 2001 From: Mattias Jonsson Date: Wed, 26 Aug 2009 12:51:23 +0200 Subject: [PATCH 2/3] Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) There were a problem since pruning uses the field for comparison (while evaluate_join_record uses longlong), resulting in pruning failures when comparing DATE to DATETIME. Fix was to always comparing DATE vs DATETIME as DATETIME, by adding ' 00:00:00' to the DATE string. And adding optimization for comparing with 23:59:59, so that DATETIME_col > '2001-02-03 23:59:59' -> TO_DAYS(DATETIME_col) > TO_DAYS('2001-02-03 23:59:59') instead of '>='. mysql-test/r/partition_pruning.result: Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) Updated result-file mysql-test/t/partition_pruning.test: Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) Added testcases. sql-common/my_time.c: Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) removed duplicate assignment. sql/item.cc: Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) Changed field_is_equal_to_item into field_cmp_to_item, to better handling DATE vs DATETIME comparision. sql/item.h: Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) Updated comment sql/item_timefunc.cc: Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) Added optimization (pruning) of DATETIME where time-part is 23:59:59 sql/opt_range.cc: Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) Using the new stored_field_cmp_to_item for better pruning. --- mysql-test/r/partition_pruning.result | 621 ++++++++++++++++++++++++++ mysql-test/t/partition_pruning.test | 308 +++++++++++++ sql-common/my_time.c | 4 +- sql/item.cc | 50 ++- sql/item.h | 6 +- sql/item_timefunc.cc | 10 +- sql/opt_range.cc | 15 +- 7 files changed, 989 insertions(+), 25 deletions(-) diff --git a/mysql-test/r/partition_pruning.result b/mysql-test/r/partition_pruning.result index 26ddc92e97b..abaa37715bf 100644 --- a/mysql-test/r/partition_pruning.result +++ b/mysql-test/r/partition_pruning.result @@ -1,4 +1,625 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; +# Test with DATETIME column NOT NULL +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATETIME NOT NULL, +PRIMARY KEY (a, b) +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), +(1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-02 23:59:59'), +(1, '2009-04-03'), (2, '2009-04-03'), (1, '2009-04-04'), (2, '2009-04-04'), +(1, '2009-04-05'), (1, '2009-04-06'), (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 6 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 8 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 8 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +DROP TABLE t1; +# Test with DATE column NOT NULL +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATE NOT NULL, +PRIMARY KEY (a, b) +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), +(1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-03'), (2, '2009-04-03'), +(1, '2009-04-04'), (2, '2009-04-04'), (1, '2009-04-05'), (1, '2009-04-06'), +(1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 5 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 7 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 7 NULL 7 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +DROP TABLE t1; +# Test with DATETIME column NULL +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATETIME NULL +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), +(1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-02 23:59:59'), +(1, '2009-04-03'), (2, '2009-04-03'), (1, '2009-04-04'), (2, '2009-04-04'), +(1, '2009-04-05'), (1, '2009-04-06'), (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 6 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 8 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 8 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +DROP TABLE t1; +# Test with DATE column NULL +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATE NULL +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), +(1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-03'), (2, '2009-04-03'), +(1, '2009-04-04'), (2, '2009-04-04'), (1, '2009-04-05'), (1, '2009-04-06'), +(1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 5 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +DROP TABLE t1; +# For better code coverage of the patch +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATE +) PARTITION BY RANGE ( TO_DAYS(b) ) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (2, NULL); +# test with an invalid date, which lead to item->null_value is set. +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-99' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +Warnings: +Warning 1292 Incorrect datetime value: '2009-04-99' +Warning 1292 Incorrect datetime value: '2009-04-99' +DROP TABLE t1; CREATE TABLE t1 (a INT NOT NULL AUTO_INCREMENT, b DATETIME, diff --git a/mysql-test/t/partition_pruning.test b/mysql-test/t/partition_pruning.test index ad102062ef8..ef28820852e 100644 --- a/mysql-test/t/partition_pruning.test +++ b/mysql-test/t/partition_pruning.test @@ -8,6 +8,314 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; --enable_warnings +# +# Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) +# +# There is a problem when comparing DATE with DATETIME. +# In pruning it is converted into the field type +# and in row evaluation it is converted to longlong +# (like a DATETIME). +--echo # Test with DATETIME column NOT NULL +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATETIME NOT NULL, + PRIMARY KEY (a, b) +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), + (1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-02 23:59:59'), + (1, '2009-04-03'), (2, '2009-04-03'), (1, '2009-04-04'), (2, '2009-04-04'), + (1, '2009-04-05'), (1, '2009-04-06'), (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +DROP TABLE t1; + +--echo # Test with DATE column NOT NULL +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATE NOT NULL, + PRIMARY KEY (a, b) +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), + (1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-03'), (2, '2009-04-03'), + (1, '2009-04-04'), (2, '2009-04-04'), (1, '2009-04-05'), (1, '2009-04-06'), + (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +DROP TABLE t1; + +--echo # Test with DATETIME column NULL +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATETIME NULL +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), + (1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-02 23:59:59'), + (1, '2009-04-03'), (2, '2009-04-03'), (1, '2009-04-04'), (2, '2009-04-04'), + (1, '2009-04-05'), (1, '2009-04-06'), (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +DROP TABLE t1; + +--echo # Test with DATE column NULL +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATE NULL +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), + (1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-03'), (2, '2009-04-03'), + (1, '2009-04-04'), (2, '2009-04-04'), (1, '2009-04-05'), (1, '2009-04-06'), + (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +DROP TABLE t1; + +--echo # For better code coverage of the patch +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATE +) PARTITION BY RANGE ( TO_DAYS(b) ) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (2, NULL); +--echo # test with an invalid date, which lead to item->null_value is set. +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-99' AS DATETIME); +DROP TABLE t1; + # # Bug#40972: some sql execution lead the whole database crashing # diff --git a/sql-common/my_time.c b/sql-common/my_time.c index 747c5797ed4..a1b85049934 100644 --- a/sql-common/my_time.c +++ b/sql-common/my_time.c @@ -450,9 +450,7 @@ str_to_datetime(const char *str, uint length, MYSQL_TIME *l_time, } } - DBUG_RETURN(l_time->time_type= - (number_of_fields <= 3 ? MYSQL_TIMESTAMP_DATE : - MYSQL_TIMESTAMP_DATETIME)); + DBUG_RETURN(l_time->time_type); err: bzero((char*) l_time, sizeof(*l_time)); diff --git a/sql/item.cc b/sql/item.cc index 2640b74851b..79ae4b20f30 100644 --- a/sql/item.cc +++ b/sql/item.cc @@ -6846,14 +6846,21 @@ void resolve_const_item(THD *thd, Item **ref, Item *comp_item) } /** - Return true if the value stored in the field is equal to the const - item. + Compare the value stored in field, with the original item. - We need to use this on the range optimizer because in some cases - we can't store the value in the field without some precision/character loss. + @param field field which the item is converted and stored in + @param item original item + + @return Return an integer greater than, equal to, or less than 0 if + the value stored in the field is greater than, equal to, + or less than the original item + + @note We only use this on the range optimizer/partition pruning, + because in some cases we can't store the value in the field + without some precision/character loss. */ -bool field_is_equal_to_item(Field *field,Item *item) +int stored_field_cmp_to_item(Field *field, Item *item) { Item_result res_type=item_cmp_type(field->result_type(), @@ -6864,28 +6871,49 @@ bool field_is_equal_to_item(Field *field,Item *item) char field_buff[MAX_FIELD_WIDTH]; String item_tmp(item_buff,sizeof(item_buff),&my_charset_bin),*item_result; String field_tmp(field_buff,sizeof(field_buff),&my_charset_bin); + enum_field_types field_type; item_result=item->val_str(&item_tmp); if (item->null_value) - return 1; // This must be true + return 0; field->val_str(&field_tmp); - return !stringcmp(&field_tmp,item_result); + + /* + If comparing DATE with DATETIME, append the time-part to the DATE. + So that the strings are equally formatted. + A DATE converted to string is 10 characters, and a DATETIME converted + to string is 19 characters. + */ + field_type= field->type(); + if (field_type == MYSQL_TYPE_DATE && + item_result->length() == 19) + field_tmp.append(" 00:00:00"); + else if (field_type == MYSQL_TYPE_DATETIME && + item_result->length() == 10) + item_result->append(" 00:00:00"); + + return stringcmp(&field_tmp,item_result); } if (res_type == INT_RESULT) - return 1; // Both where of type int + return 0; // Both are of type int if (res_type == DECIMAL_RESULT) { my_decimal item_buf, *item_val, field_buf, *field_val; item_val= item->val_decimal(&item_buf); if (item->null_value) - return 1; // This must be true + return 0; field_val= field->val_decimal(&field_buf); - return !my_decimal_cmp(item_val, field_val); + return my_decimal_cmp(item_val, field_val); } double result= item->val_real(); if (item->null_value) + return 0; + double field_result= field->val_real(); + if (field_result < result) + return -1; + else if (field_result > result) return 1; - return result == field->val_real(); + return 0; } Item_cache* Item_cache::get_cache(const Item *item) diff --git a/sql/item.h b/sql/item.h index 3dfcd7c2612..8b37bd3c26d 100644 --- a/sql/item.h +++ b/sql/item.h @@ -576,8 +576,8 @@ public: left_endp FALSE <=> The interval is "x < const" or "x <= const" TRUE <=> The interval is "x > const" or "x >= const" - incl_endp IN TRUE <=> the comparison is '<' or '>' - FALSE <=> the comparison is '<=' or '>=' + incl_endp IN FALSE <=> the comparison is '<' or '>' + TRUE <=> the comparison is '<=' or '>=' OUT The same but for the "F(x) $CMP$ F(const)" comparison DESCRIPTION @@ -3117,4 +3117,4 @@ void mark_select_range_as_dependent(THD *thd, extern Cached_item *new_Cached_item(THD *thd, Item *item); extern Item_result item_cmp_type(Item_result a,Item_result b); extern void resolve_const_item(THD *thd, Item **ref, Item *cmp_item); -extern bool field_is_equal_to_item(Field *field,Item *item); +extern int stored_field_cmp_to_item(Field *field, Item *item); diff --git a/sql/item_timefunc.cc b/sql/item_timefunc.cc index d79b0b02998..eebede32f8d 100644 --- a/sql/item_timefunc.cc +++ b/sql/item_timefunc.cc @@ -991,15 +991,19 @@ longlong Item_func_to_days::val_int_endpoint(bool left_endp, bool *incl_endp) point to day bound ("strictly less" comparison stays intact): col < '2007-09-15 00:00:00' -> TO_DAYS(col) < TO_DAYS('2007-09-15') + col > '2007-09-15 23:59:59' -> TO_DAYS(col) > TO_DAYS('2007-09-15') which is different from the general case ("strictly less" changes to "less or equal"): col < '2007-09-15 12:34:56' -> TO_DAYS(col) <= TO_DAYS('2007-09-15') */ - if (!left_endp && !(ltime.hour || ltime.minute || ltime.second || - ltime.second_part)) - ; /* do nothing */ + if ((!left_endp && !(ltime.hour || ltime.minute || ltime.second || + ltime.second_part)) || + (left_endp && ltime.hour == 23 && ltime.minute == 59 && + ltime.second == 59)) + /* do nothing */ + ; else *incl_endp= TRUE; return res; diff --git a/sql/opt_range.cc b/sql/opt_range.cc index e3aef02637f..96631a741da 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -5855,7 +5855,7 @@ get_mm_leaf(RANGE_OPT_PARAM *param, COND *conf_func, Field *field, but we'll need to convert '>' to '>=' and '<' to '<='. This will be done together with other types at the end of this function - (grep for field_is_equal_to_item) + (grep for stored_field_cmp_to_item) */ } else @@ -5930,7 +5930,7 @@ get_mm_leaf(RANGE_OPT_PARAM *param, COND *conf_func, Field *field, switch (type) { case Item_func::LT_FUNC: - if (field_is_equal_to_item(field,value)) + if (stored_field_cmp_to_item(field,value) == 0) tree->max_flag=NEAR_MAX; /* fall through */ case Item_func::LE_FUNC: @@ -5944,11 +5944,16 @@ get_mm_leaf(RANGE_OPT_PARAM *param, COND *conf_func, Field *field, break; case Item_func::GT_FUNC: /* Don't use open ranges for partial key_segments */ - if (field_is_equal_to_item(field,value) && - !(key_part->flag & HA_PART_KEY_SEG)) + if ((!(key_part->flag & HA_PART_KEY_SEG)) && + (stored_field_cmp_to_item(field, value) <= 0)) tree->min_flag=NEAR_MIN; - /* fall through */ + tree->max_flag= NO_MAX_RANGE; + break; case Item_func::GE_FUNC: + /* Don't use open ranges for partial key_segments */ + if ((!(key_part->flag & HA_PART_KEY_SEG)) && + (stored_field_cmp_to_item(field,value) < 0)) + tree->min_flag= NEAR_MIN; tree->max_flag=NO_MAX_RANGE; break; case Item_func::SP_EQUALS_FUNC: From 67214ef4334deccdd1f1d89c49c4edecd9075962 Mon Sep 17 00:00:00 2001 From: Mattias Jonsson Date: Wed, 26 Aug 2009 12:59:49 +0200 Subject: [PATCH 3/3] Bug#20577: Partitions: use of to_days() function leads to selection failures Problem was that the partition containing NULL values was pruned away, since '2001-01-01' < '2001-02-00' but TO_DAYS('2001-02-00') is NULL. Added the NULL partition for RANGE/LIST partitioning on TO_DAYS() function to be scanned too. Also fixed a bug that added ALLOW_INVALID_DATES to sql_mode (SELECT * FROM t WHERE date_col < '1999-99-99' on a RANGE/LIST partitioned table would add it). mysql-test/include/partition_date_range.inc: Bug#20577: Partitions: use of to_days() function leads to selection failures Added include file to decrease test code duplication mysql-test/r/partition_pruning.result: Bug#20577: Partitions: use of to_days() function leads to selection failures Added test results mysql-test/r/partition_range.result: Bug#20577: Partitions: use of to_days() function leads to selection failures Updated test result. This fix adds the partition containing NULL values to the list of partitions to be scanned. mysql-test/t/partition_pruning.test: Bug#20577: Partitions: use of to_days() function leads to selection failures Added test case sql/item.h: Bug#20577: Partitions: use of to_days() function leads to selection failures Added MONOTONIC_*INCREASE_NOT_NULL values to be used by TO_DAYS. sql/item_timefunc.cc: Bug#20577: Partitions: use of to_days() function leads to selection failures Calculate the number of days as return value even for invalid dates. This is so that pruning can be used even for invalid dates. sql/opt_range.cc: Bug#20577: Partitions: use of to_days() function leads to selection failures Fixed a bug that added ALLOW_INVALID_DATES to sql_mode (SELECT * FROM t WHERE date_col < '1999-99-99' on a RANGE/LIST partitioned table would add it). sql/partition_info.h: Bug#20577: Partitions: use of to_days() function leads to selection failures Resetting ret_null_part when a single partition is to be used, this to avoid adding the NULL partition. sql/sql_partition.cc: Bug#20577: Partitions: use of to_days() function leads to selection failures Always include the NULL partition if RANGE or LIST. Use the returned value for the function for pruning, even if it is marked as NULL, so that even '2000-00-00' can be used for pruning, even if TO_DAYS('2000-00-00') is NULL. Changed == to >= in get_next_partition_id_list to avoid crash if part_iter->part_nums is not correctly setup. --- mysql-test/include/partition_date_range.inc | 63 +++ mysql-test/r/partition_pruning.result | 425 ++++++++++++++++++++ mysql-test/r/partition_range.result | 4 +- mysql-test/t/partition_pruning.test | 44 ++ sql/item.h | 9 +- sql/item_timefunc.cc | 21 +- sql/opt_range.cc | 4 + sql/partition_info.h | 1 + sql/sql_partition.cc | 65 ++- 9 files changed, 624 insertions(+), 12 deletions(-) create mode 100644 mysql-test/include/partition_date_range.inc diff --git a/mysql-test/include/partition_date_range.inc b/mysql-test/include/partition_date_range.inc new file mode 100644 index 00000000000..c54396af9cb --- /dev/null +++ b/mysql-test/include/partition_date_range.inc @@ -0,0 +1,63 @@ +# Created for verifying bug#20577. +# expects TABLE t1 (... , a DATE, ...) + +--sorted_result +SELECT * FROM t1 WHERE a < '1001-01-01'; +--sorted_result +SELECT * FROM t1 WHERE a <= '1001-01-01'; +--sorted_result +SELECT * FROM t1 WHERE a >= '1001-01-01'; +--sorted_result +SELECT * FROM t1 WHERE a > '1001-01-01'; +--sorted_result +SELECT * FROM t1 WHERE a = '1001-01-01'; +--sorted_result +SELECT * FROM t1 WHERE a < '1001-00-00'; +--sorted_result +SELECT * FROM t1 WHERE a <= '1001-00-00'; +--sorted_result +SELECT * FROM t1 WHERE a >= '1001-00-00'; +--sorted_result +SELECT * FROM t1 WHERE a > '1001-00-00'; +--sorted_result +SELECT * FROM t1 WHERE a = '1001-00-00'; +--sorted_result +SELECT * FROM t1 WHERE a < '1999-02-31'; +--sorted_result +SELECT * FROM t1 WHERE a <= '1999-02-31'; +--sorted_result +SELECT * FROM t1 WHERE a >= '1999-02-31'; +--sorted_result +SELECT * FROM t1 WHERE a > '1999-02-31'; +--sorted_result +SELECT * FROM t1 WHERE a = '1999-02-31'; +--sorted_result +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +--sorted_result +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +--sorted_result +SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +--sorted_result +SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +if ($explain_partitions) +{ +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-01-01'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-01-01'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-01-01'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-01-01'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-01-01'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-00-00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-00-00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-00-00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-00-00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-00-00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1999-02-31'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1999-02-31'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +} diff --git a/mysql-test/r/partition_pruning.result b/mysql-test/r/partition_pruning.result index 26ddc92e97b..7ac1e24cfab 100644 --- a/mysql-test/r/partition_pruning.result +++ b/mysql-test/r/partition_pruning.result @@ -1,4 +1,429 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; +# test of RANGE and index +CREATE TABLE t1 (a DATE, KEY(a)) +PARTITION BY RANGE (TO_DAYS(a)) +(PARTITION `pNULL` VALUES LESS THAN (0), +PARTITION `p0001-01-01` VALUES LESS THAN (366 + 1), +PARTITION `p1001-01-01` VALUES LESS THAN (TO_DAYS('1001-01-01') + 1), +PARTITION `p2001-01-01` VALUES LESS THAN (TO_DAYS('2001-01-01') + 1)); +INSERT INTO t1 VALUES ('0000-00-00'), ('0000-01-02'), ('0001-01-01'), +('1001-00-00'), ('1001-01-01'), ('1002-00-00'), ('2001-01-01'); +SELECT * FROM t1 WHERE a < '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +SELECT * FROM t1 WHERE a <= '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +SELECT * FROM t1 WHERE a >= '1001-01-01'; +a +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a > '1001-01-01'; +a +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a = '1001-01-01'; +a +1001-01-01 +SELECT * FROM t1 WHERE a < '1001-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +SELECT * FROM t1 WHERE a <= '1001-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +SELECT * FROM t1 WHERE a >= '1001-00-00'; +a +1001-00-00 +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a > '1001-00-00'; +a +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a = '1001-00-00'; +a +1001-00-00 +SELECT * FROM t1 WHERE a < '1999-02-31'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a <= '1999-02-31'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a >= '1999-02-31'; +a +2001-01-01 +SELECT * FROM t1 WHERE a > '1999-02-31'; +a +2001-01-01 +SELECT * FROM t1 WHERE a = '1999-02-31'; +a +Warning 1292 Incorrect date value: '1999-02-31' for column 'a' at row 1 +Warnings: +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +a +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +a +0001-01-01 +1001-00-00 +1001-01-01 +# test without index +ALTER TABLE t1 DROP KEY a; +SELECT * FROM t1 WHERE a < '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +SELECT * FROM t1 WHERE a <= '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +SELECT * FROM t1 WHERE a >= '1001-01-01'; +a +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a > '1001-01-01'; +a +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a = '1001-01-01'; +a +1001-01-01 +SELECT * FROM t1 WHERE a < '1001-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +SELECT * FROM t1 WHERE a <= '1001-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +SELECT * FROM t1 WHERE a >= '1001-00-00'; +a +1001-00-00 +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a > '1001-00-00'; +a +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a = '1001-00-00'; +a +1001-00-00 +SELECT * FROM t1 WHERE a < '1999-02-31'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a <= '1999-02-31'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a >= '1999-02-31'; +a +2001-01-01 +SELECT * FROM t1 WHERE a > '1999-02-31'; +a +2001-01-01 +SELECT * FROM t1 WHERE a = '1999-02-31'; +a +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +a +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +a +0001-01-01 +1001-00-00 +1001-01-01 +DROP TABLE t1; +# test of LIST and index +CREATE TABLE t1 (a DATE, KEY(a)) +PARTITION BY LIST (TO_DAYS(a)) +(PARTITION `p0001-01-01` VALUES IN (TO_DAYS('0001-01-01')), +PARTITION `p2001-01-01` VALUES IN (TO_DAYS('2001-01-01')), +PARTITION `pNULL` VALUES IN (NULL), +PARTITION `p0000-01-02` VALUES IN (TO_DAYS('0000-01-02')), +PARTITION `p1001-01-01` VALUES IN (TO_DAYS('1001-01-01'))); +INSERT INTO t1 VALUES ('0000-00-00'), ('0000-01-02'), ('0001-01-01'), +('1001-00-00'), ('1001-01-01'), ('1002-00-00'), ('2001-01-01'); +SELECT * FROM t1 WHERE a < '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +SELECT * FROM t1 WHERE a <= '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +SELECT * FROM t1 WHERE a >= '1001-01-01'; +a +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a > '1001-01-01'; +a +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a = '1001-01-01'; +a +1001-01-01 +SELECT * FROM t1 WHERE a < '1001-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +SELECT * FROM t1 WHERE a <= '1001-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +SELECT * FROM t1 WHERE a >= '1001-00-00'; +a +1001-00-00 +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a > '1001-00-00'; +a +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a = '1001-00-00'; +a +1001-00-00 +SELECT * FROM t1 WHERE a < '1999-02-31'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a <= '1999-02-31'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a >= '1999-02-31'; +a +2001-01-01 +SELECT * FROM t1 WHERE a > '1999-02-31'; +a +2001-01-01 +SELECT * FROM t1 WHERE a = '1999-02-31'; +a +Warning 1292 Incorrect date value: '1999-02-31' for column 'a' at row 1 +Warnings: +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +a +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +a +0001-01-01 +1001-00-00 +1001-01-01 +# test without index +ALTER TABLE t1 DROP KEY a; +SELECT * FROM t1 WHERE a < '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +SELECT * FROM t1 WHERE a <= '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +SELECT * FROM t1 WHERE a >= '1001-01-01'; +a +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a > '1001-01-01'; +a +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a = '1001-01-01'; +a +1001-01-01 +SELECT * FROM t1 WHERE a < '1001-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +SELECT * FROM t1 WHERE a <= '1001-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +SELECT * FROM t1 WHERE a >= '1001-00-00'; +a +1001-00-00 +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a > '1001-00-00'; +a +1001-01-01 +1002-00-00 +2001-01-01 +SELECT * FROM t1 WHERE a = '1001-00-00'; +a +1001-00-00 +SELECT * FROM t1 WHERE a < '1999-02-31'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a <= '1999-02-31'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a >= '1999-02-31'; +a +2001-01-01 +SELECT * FROM t1 WHERE a > '1999-02-31'; +a +2001-01-01 +SELECT * FROM t1 WHERE a = '1999-02-31'; +a +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +a +0000-00-00 +0000-01-02 +0001-01-01 +1001-00-00 +1001-01-01 +SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +a +1001-00-00 +1001-01-01 +1002-00-00 +SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +a +0001-01-01 +1001-00-00 +1001-01-01 +DROP TABLE t1; CREATE TABLE t1 (a INT NOT NULL AUTO_INCREMENT, b DATETIME, diff --git a/mysql-test/r/partition_range.result b/mysql-test/r/partition_range.result index e8fc55b759b..02d2f6359c5 100644 --- a/mysql-test/r/partition_range.result +++ b/mysql-test/r/partition_range.result @@ -745,7 +745,7 @@ a EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '2004-07-01' AND a <= '2004-09-30'; id select_type table partitions type possible_keys key key_len ref rows Extra -1 SIMPLE t1 p407,p408,p409 ALL NULL NULL NULL NULL 9 Using where +1 SIMPLE t1 p3xx,p407,p408,p409 ALL NULL NULL NULL NULL 18 Using where SELECT * from t1 WHERE (a >= '2004-07-01' AND a <= '2004-09-30') OR (a >= '2005-07-01' AND a <= '2005-09-30'); @@ -772,7 +772,7 @@ EXPLAIN PARTITIONS SELECT * from t1 WHERE (a >= '2004-07-01' AND a <= '2004-09-30') OR (a >= '2005-07-01' AND a <= '2005-09-30'); id select_type table partitions type possible_keys key key_len ref rows Extra -1 SIMPLE t1 p407,p408,p409,p507,p508,p509 ALL NULL NULL NULL NULL 18 Using where +1 SIMPLE t1 p3xx,p407,p408,p409,p507,p508,p509 ALL NULL NULL NULL NULL 27 Using where DROP TABLE t1; create table t1 (a int); insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); diff --git a/mysql-test/t/partition_pruning.test b/mysql-test/t/partition_pruning.test index ad102062ef8..511cfa595a4 100644 --- a/mysql-test/t/partition_pruning.test +++ b/mysql-test/t/partition_pruning.test @@ -8,6 +8,50 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; --enable_warnings +# +# Bug#20577: Partitions: use of to_days() function leads to selection failures +# +--let $explain_partitions= 1; +--let $verify_without_partitions= 0; +--echo # test of RANGE and index +CREATE TABLE t1 (a DATE, KEY(a)) +PARTITION BY RANGE (TO_DAYS(a)) +(PARTITION `pNULL` VALUES LESS THAN (0), + PARTITION `p0001-01-01` VALUES LESS THAN (366 + 1), + PARTITION `p1001-01-01` VALUES LESS THAN (TO_DAYS('1001-01-01') + 1), + PARTITION `p2001-01-01` VALUES LESS THAN (TO_DAYS('2001-01-01') + 1)); +if ($verify_without_partitions) +{ +ALTER TABLE t1 REMOVE PARTITIONING; +} +INSERT INTO t1 VALUES ('0000-00-00'), ('0000-01-02'), ('0001-01-01'), + ('1001-00-00'), ('1001-01-01'), ('1002-00-00'), ('2001-01-01'); +--source include/partition_date_range.inc +--echo # test without index +ALTER TABLE t1 DROP KEY a; +--source include/partition_date_range.inc +DROP TABLE t1; + +--echo # test of LIST and index +CREATE TABLE t1 (a DATE, KEY(a)) +PARTITION BY LIST (TO_DAYS(a)) +(PARTITION `p0001-01-01` VALUES IN (TO_DAYS('0001-01-01')), + PARTITION `p2001-01-01` VALUES IN (TO_DAYS('2001-01-01')), + PARTITION `pNULL` VALUES IN (NULL), + PARTITION `p0000-01-02` VALUES IN (TO_DAYS('0000-01-02')), + PARTITION `p1001-01-01` VALUES IN (TO_DAYS('1001-01-01'))); +if ($verify_without_partitions) +{ +ALTER TABLE t1 REMOVE PARTITIONING; +} +INSERT INTO t1 VALUES ('0000-00-00'), ('0000-01-02'), ('0001-01-01'), + ('1001-00-00'), ('1001-01-01'), ('1002-00-00'), ('2001-01-01'); +--source include/partition_date_range.inc +--echo # test without index +ALTER TABLE t1 DROP KEY a; +--source include/partition_date_range.inc +DROP TABLE t1; + # # Bug#40972: some sql execution lead the whole database crashing # diff --git a/sql/item.h b/sql/item.h index 3dfcd7c2612..30478ddf13d 100644 --- a/sql/item.h +++ b/sql/item.h @@ -397,13 +397,20 @@ public: from INT_RESULT, may be NULL, or are unsigned. It will be possible to address this issue once the related partitioning bugs (BUG#16002, BUG#15447, BUG#13436) are fixed. + + The NOT_NULL enums are used in TO_DAYS, since TO_DAYS('2001-00-00') returns + NULL which puts those rows into the NULL partition, but + '2000-12-31' < '2001-00-00' < '2001-01-01'. So special handling is needed + for this (see Bug#20577). */ typedef enum monotonicity_info { NON_MONOTONIC, /* none of the below holds */ MONOTONIC_INCREASING, /* F() is unary and (x < y) => (F(x) <= F(y)) */ - MONOTONIC_STRICT_INCREASING /* F() is unary and (x < y) => (F(x) < F(y)) */ + MONOTONIC_INCREASING_NOT_NULL, /* But only for valid/real x and y */ + MONOTONIC_STRICT_INCREASING,/* F() is unary and (x < y) => (F(x) < F(y)) */ + MONOTONIC_STRICT_INCREASING_NOT_NULL /* But only for valid/real x and y */ } enum_monotonicity_info; /*************************************************************************/ diff --git a/sql/item_timefunc.cc b/sql/item_timefunc.cc index d79b0b02998..eefe47232ae 100644 --- a/sql/item_timefunc.cc +++ b/sql/item_timefunc.cc @@ -960,9 +960,9 @@ enum_monotonicity_info Item_func_to_days::get_monotonicity_info() const if (args[0]->type() == Item::FIELD_ITEM) { if (args[0]->field_type() == MYSQL_TYPE_DATE) - return MONOTONIC_STRICT_INCREASING; + return MONOTONIC_STRICT_INCREASING_NOT_NULL; if (args[0]->field_type() == MYSQL_TYPE_DATETIME) - return MONOTONIC_INCREASING; + return MONOTONIC_INCREASING_NOT_NULL; } return NON_MONOTONIC; } @@ -973,12 +973,27 @@ longlong Item_func_to_days::val_int_endpoint(bool left_endp, bool *incl_endp) DBUG_ASSERT(fixed == 1); MYSQL_TIME ltime; longlong res; - if (get_arg0_date(<ime, TIME_NO_ZERO_DATE)) + int dummy; /* unused */ + if (get_arg0_date(<ime, TIME_FUZZY_DATE)) { /* got NULL, leave the incl_endp intact */ return LONGLONG_MIN; } res=(longlong) calc_daynr(ltime.year,ltime.month,ltime.day); + /* Set to NULL if invalid date, but keep the value */ + null_value= check_date(<ime, + (ltime.year || ltime.month || ltime.day), + (TIME_NO_ZERO_IN_DATE | TIME_NO_ZERO_DATE), + &dummy); + if (null_value) + { + /* + Even if the evaluation return NULL, the calc_daynr is useful for pruning + */ + if (args[0]->field_type() != MYSQL_TYPE_DATE) + *incl_endp= TRUE; + return res; + } if (args[0]->field_type() == MYSQL_TYPE_DATE) { diff --git a/sql/opt_range.cc b/sql/opt_range.cc index e3aef02637f..e26d91dcd44 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -5826,6 +5826,7 @@ get_mm_leaf(RANGE_OPT_PARAM *param, COND *conf_func, Field *field, { tree= new (alloc) SEL_ARG(field, 0, 0); tree->type= SEL_ARG::IMPOSSIBLE; + field->table->in_use->variables.sql_mode= orig_sql_mode; goto end; } else @@ -5859,7 +5860,10 @@ get_mm_leaf(RANGE_OPT_PARAM *param, COND *conf_func, Field *field, */ } else + { + field->table->in_use->variables.sql_mode= orig_sql_mode; goto end; + } } } diff --git a/sql/partition_info.h b/sql/partition_info.h index 415f955d5d4..8832b6ee409 100644 --- a/sql/partition_info.h +++ b/sql/partition_info.h @@ -300,6 +300,7 @@ static inline void init_single_partition_iterator(uint32 part_id, { part_iter->part_nums.start= part_iter->part_nums.cur= part_id; part_iter->part_nums.end= part_id+1; + part_iter->ret_null_part= part_iter->ret_null_part_orig= FALSE; part_iter->get_next= get_next_partition_id_range; } diff --git a/sql/sql_partition.cc b/sql/sql_partition.cc index 61766e5c509..ad24af12087 100644 --- a/sql/sql_partition.cc +++ b/sql/sql_partition.cc @@ -2766,8 +2766,24 @@ uint32 get_list_array_idx_for_endpoint(partition_info *part_info, if (part_info->part_expr->null_value) { - DBUG_RETURN(0); + /* + Special handling for MONOTONIC functions that can return NULL for + values that are comparable. I.e. + '2000-00-00' can be compared to '2000-01-01' but TO_DAYS('2000-00-00') + returns NULL which cannot be compared used <, >, <=, >= etc. + + Otherwise, just return the the first index (lowest value). + */ + enum_monotonicity_info monotonic; + monotonic= part_info->part_expr->get_monotonicity_info(); + if (monotonic != MONOTONIC_INCREASING_NOT_NULL && + monotonic != MONOTONIC_STRICT_INCREASING_NOT_NULL) + { + /* F(col) can not return NULL, return index with lowest value */ + DBUG_RETURN(0); + } } + if (unsigned_flag) part_func_value-= 0x8000000000000000ULL; DBUG_ASSERT(part_info->no_list_values); @@ -2916,11 +2932,29 @@ uint32 get_partition_id_range_for_endpoint(partition_info *part_info, if (part_info->part_expr->null_value) { - uint32 ret_part_id= 0; - if (!left_endpoint && include_endpoint) - ret_part_id= 1; - DBUG_RETURN(ret_part_id); + /* + Special handling for MONOTONIC functions that can return NULL for + values that are comparable. I.e. + '2000-00-00' can be compared to '2000-01-01' but TO_DAYS('2000-00-00') + returns NULL which cannot be compared used <, >, <=, >= etc. + + Otherwise, just return the first partition + (may be included if not left endpoint) + */ + enum_monotonicity_info monotonic; + monotonic= part_info->part_expr->get_monotonicity_info(); + if (monotonic != MONOTONIC_INCREASING_NOT_NULL && + monotonic != MONOTONIC_STRICT_INCREASING_NOT_NULL) + { + /* F(col) can not return NULL, return partition with lowest value */ + if (!left_endpoint && include_endpoint) + DBUG_RETURN(1); + DBUG_RETURN(0); + + } } + + if (unsigned_flag) part_func_value-= 0x8000000000000000ULL; if (left_endpoint && !include_endpoint) @@ -6733,6 +6767,19 @@ int get_part_iter_for_interval_via_mapping(partition_info *part_info, } else assert(0); + + if (part_info->part_type == RANGE_PARTITION || + part_info->has_null_value) + { + enum_monotonicity_info monotonic; + monotonic= part_info->part_expr->get_monotonicity_info(); + if (monotonic == MONOTONIC_INCREASING_NOT_NULL || + monotonic == MONOTONIC_STRICT_INCREASING_NOT_NULL) + { + /* col is NOT NULL, but F(col) can return NULL, add NULL partition */ + part_iter->ret_null_part= part_iter->ret_null_part_orig= TRUE; + } + } /* Find minimum: Do special handling if the interval has left bound in form @@ -6959,7 +7006,13 @@ uint32 get_next_partition_id_range(PARTITION_ITERATOR* part_iter) { if (part_iter->part_nums.cur >= part_iter->part_nums.end) { + if (part_iter->ret_null_part) + { + part_iter->ret_null_part= FALSE; + return 0; /* NULL always in first range partition */ + } part_iter->part_nums.cur= part_iter->part_nums.start; + part_iter->ret_null_part= part_iter->ret_null_part_orig; return NOT_A_PARTITION_ID; } else @@ -6987,7 +7040,7 @@ uint32 get_next_partition_id_range(PARTITION_ITERATOR* part_iter) uint32 get_next_partition_id_list(PARTITION_ITERATOR *part_iter) { - if (part_iter->part_nums.cur == part_iter->part_nums.end) + if (part_iter->part_nums.cur >= part_iter->part_nums.end) { if (part_iter->ret_null_part) {