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BUG# 17430 Partitoins: crash on SELECT * FROM t1 WHERE f_int1 IS NULL

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BUG# 17432: Partitions: wrong result, SELECT ... WHERE <column> is null


mysql-test/r/partition.result:
  result block for tests
mysql-test/t/partition.test:
  test cases for bug #17432 and 17430
sql/sql_partition.cc:
  improve null handling by returning LONGLONG_MIN for values that are NULL
This commit is contained in:
unknown
2006-02-24 10:10:41 -06:00
parent 3a78156ee6
commit a9dab911a4
3 changed files with 102 additions and 6 deletions
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40
mysql-test/t/partition.test
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@@ -408,4 +408,44 @@ create table t1 (s1 int, unique (s1)) partition by list (s1) (partition x1 VALUE
alter table t1 add partition (partition x3 values in (30));
drop table t1;
#
# Bug #17432: Partition functions containing NULL values should return
# LONGLONG_MIN
#
CREATE TABLE t1 (
f_int1 INTEGER, f_int2 INTEGER,
f_char1 CHAR(10), f_char2 CHAR(10), f_charbig VARCHAR(1000)
)
PARTITION BY RANGE(f_int1 DIV 2)
SUBPARTITION BY HASH(f_int1)
SUBPARTITIONS 2
(PARTITION parta VALUES LESS THAN (0),
PARTITION partb VALUES LESS THAN (5),
PARTITION parte VALUES LESS THAN (10),
PARTITION partf VALUES LESS THAN (2147483647));
INSERT INTO t1 SET f_int1 = NULL , f_int2 = -20, f_char1 = CAST(-20 AS CHAR),
f_char2 = CAST(-20 AS CHAR), f_charbig = '#NULL#';
SELECT * FROM t1 WHERE f_int1 IS NULL;
SELECT * FROM t1;
drop table t1;
#
# Bug 17430: Crash when SELECT * from t1 where field IS NULL
#
CREATE TABLE t1 (
f_int1 INTEGER, f_int2 INTEGER,
f_char1 CHAR(10), f_char2 CHAR(10), f_charbig VARCHAR(1000) )
PARTITION BY LIST(MOD(f_int1,2))
SUBPARTITION BY KEY(f_int1)
(PARTITION part1 VALUES IN (-1) (SUBPARTITION sp1, SUBPARTITION sp2),
PARTITION part2 VALUES IN (0) (SUBPARTITION sp3, SUBPARTITION sp5),
PARTITION part3 VALUES IN (1) (SUBPARTITION sp4, SUBPARTITION sp6));
INSERT INTO t1 SET f_int1 = 2, f_int2 = 2, f_char1 = '2', f_char2 = '2', f_charbig = '===2===';
INSERT INTO t1 SET f_int1 = 2, f_int2 = 2, f_char1 = '2', f_char2 = '2', f_charbig = '===2===';
SELECT * FROM t1 WHERE f_int1 IS NULL;
drop table t1;
--echo End of 5.1 tests