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Bug#39338: Fieldnames in INFORMATIONSCHEMA.PARTITIONS.PARTITION_EXPRESSION

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become unescaped

Problem was only with the print out of the KEY partitioning list of
fields, it did not include quotes, even if it was needed.

Fixed by always add quotes if needed.
This commit is contained in:
Mattias Jonsson
2009-02-18 20:05:39 +01:00
parent c9245922d6
commit 1d8c5065b2
3 changed files with 65 additions and 4 deletions
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37
mysql-test/r/partition.result
View File

@@ -1,5 +1,42 @@
drop table if exists t1, t2; drop table if exists t1, t2;
CREATE TABLE t1 ( CREATE TABLE t1 (
ID int(11) NOT NULL,
`aaaa,aaaaa` tinyint(3) UNSIGNED NOT NULL DEFAULT '0',
ddddddddd int(11) NOT NULL DEFAULT '0',
new_field0 varchar(50),
PRIMARY KEY(ID, `aaaa,aaaaa`, ddddddddd))
PARTITION BY RANGE(ID)
PARTITIONS 3
SUBPARTITION BY LINEAR KEY(ID,`aaaa,aaaaa`)
SUBPARTITIONS 2 (
PARTITION p01 VALUES LESS THAN(100),
PARTITION p11 VALUES LESS THAN(200),
PARTITION p21 VALUES LESS THAN MAXVALUE);
SELECT PARTITION_EXPRESSION, SUBPARTITION_EXPRESSION FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME='t1';
PARTITION_EXPRESSION SUBPARTITION_EXPRESSION
ID `ID`,`aaaa,aaaaa`
ID `ID`,`aaaa,aaaaa`
ID `ID`,`aaaa,aaaaa`
ID `ID`,`aaaa,aaaaa`
ID `ID`,`aaaa,aaaaa`
ID `ID`,`aaaa,aaaaa`
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`ID` int(11) NOT NULL,
`aaaa,aaaaa` tinyint(3) unsigned NOT NULL DEFAULT '0',
`ddddddddd` int(11) NOT NULL DEFAULT '0',
`new_field0` varchar(50) DEFAULT NULL,
PRIMARY KEY (`ID`,`aaaa,aaaaa`,`ddddddddd`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (ID)
SUBPARTITION BY LINEAR KEY (ID,`aaaa,aaaaa`)
SUBPARTITIONS 2
(PARTITION p01 VALUES LESS THAN (100) ENGINE = MyISAM,
PARTITION p11 VALUES LESS THAN (200) ENGINE = MyISAM,
PARTITION p21 VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */
drop table t1;
CREATE TABLE t1 (
pk INT NOT NULL AUTO_INCREMENT, pk INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (pk) PRIMARY KEY (pk)
) )

23
mysql-test/t/partition.test
View File

@@ -14,6 +14,29 @@
drop table if exists t1, t2; drop table if exists t1, t2;
--enable_warnings --enable_warnings
#
# Bug#39338: Fieldnames in INFORMATIONSCHEMA.PARTITIONS.PARTITION_EXPRESSION
# become unescaped
# NOTE: the partition expression is saved as a string, so changing from
# normal quotes to ansi quotes does not change the expression, only
# for partition by KEY.
CREATE TABLE t1 (
ID int(11) NOT NULL,
`aaaa,aaaaa` tinyint(3) UNSIGNED NOT NULL DEFAULT '0',
ddddddddd int(11) NOT NULL DEFAULT '0',
new_field0 varchar(50),
PRIMARY KEY(ID, `aaaa,aaaaa`, ddddddddd))
PARTITION BY RANGE(ID)
PARTITIONS 3
SUBPARTITION BY LINEAR KEY(ID,`aaaa,aaaaa`)
SUBPARTITIONS 2 (
PARTITION p01 VALUES LESS THAN(100),
PARTITION p11 VALUES LESS THAN(200),
PARTITION p21 VALUES LESS THAN MAXVALUE);
SELECT PARTITION_EXPRESSION, SUBPARTITION_EXPRESSION FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME='t1';
show create table t1;
drop table t1;
# #
# Bug#40954: Crash if range search and order by. # Bug#40954: Crash if range search and order by.
# #

9
sql/sql_show.cc
View File

@@ -4743,7 +4743,8 @@ static int get_schema_key_column_usage_record(THD *thd,
#ifdef WITH_PARTITION_STORAGE_ENGINE #ifdef WITH_PARTITION_STORAGE_ENGINE
static void collect_partition_expr(List<char> &field_list, String *str) static void collect_partition_expr(THD *thd, List<char> &field_list,
String *str)
{ {
List_iterator<char> part_it(field_list); List_iterator<char> part_it(field_list);
ulong no_fields= field_list.elements; ulong no_fields= field_list.elements;
@@ -4751,7 +4752,7 @@ static void collect_partition_expr(List<char> &field_list, String *str)
str->length(0); str->length(0);
while ((field_str= part_it++)) while ((field_str= part_it++))
{ {
str->append(field_str); append_identifier(thd, str, field_str, strlen(field_str));
if (--no_fields != 0) if (--no_fields != 0)
str->append(","); str->append(",");
} }
@@ -4915,7 +4916,7 @@ static int get_schema_partitions_record(THD *thd, TABLE_LIST *tables,
} }
else if (part_info->list_of_part_fields) else if (part_info->list_of_part_fields)
{ {
collect_partition_expr(part_info->part_field_list, &tmp_str); collect_partition_expr(thd, part_info->part_field_list, &tmp_str);
table->field[9]->store(tmp_str.ptr(), tmp_str.length(), cs); table->field[9]->store(tmp_str.ptr(), tmp_str.length(), cs);
} }
table->field[9]->set_notnull(); table->field[9]->set_notnull();
@@ -4944,7 +4945,7 @@ static int get_schema_partitions_record(THD *thd, TABLE_LIST *tables,
} }
else if (part_info->list_of_subpart_fields) else if (part_info->list_of_subpart_fields)
{ {
collect_partition_expr(part_info->subpart_field_list, &tmp_str); collect_partition_expr(thd, part_info->subpart_field_list, &tmp_str);
table->field[10]->store(tmp_str.ptr(), tmp_str.length(), cs); table->field[10]->store(tmp_str.ptr(), tmp_str.length(), cs);
} }
table->field[10]->set_notnull(); table->field[10]->set_notnull();