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MDEV-5783 Assertion `0' failed in make_sortkey(SORTPARAM*, uchar*, uchar*) on ORDER BY HEX( UNCOMPRESSED_LENGTH( pk ) )

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This commit is contained in:
Alexander Barkov 2014-03-23 16:02:56 +04:00
parent 2eb920b262
commit 63d0918807
3 changed files with 42 additions and 1 deletions
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20
mysql-test/r/func_compress.result
View file

@ -127,3 +127,23 @@ NULL 825307441
EXPLAIN EXTENDED SELECT * FROM (SELECT UNCOMPRESSED_LENGTH(c1) FROM t1) AS s;
DROP TABLE t1;
End of 5.0 tests
#
# Start of 5.3 tests
#
#
# MDEV-5783 Assertion `0' failed in make_sortkey(SORTPARAM*, uchar*, uchar*) on ORDER BY HEX(UNCOMPRESSED_LENGTH(pk))
#
CREATE TABLE t1 (pk INT PRIMARY KEY);
INSERT INTO t1 VALUES (1),(2);
SELECT UNCOMPRESSED_LENGTH(pk) FROM t1;
UNCOMPRESSED_LENGTH(pk)
NULL
NULL
Warnings:
Error 1259 ZLIB: Input data corrupted
Error 1259 ZLIB: Input data corrupted
SELECT * FROM t1 ORDER BY HEX(UNCOMPRESSED_LENGTH(pk));
DROP TABLE t1;
#
# End of 5.3 tests
#

21
mysql-test/t/func_compress.test
View file

@ -115,3 +115,24 @@ DROP TABLE t1;
set @@global.max_allowed_packet=default;
--enable_result_log
--enable_query_log
--echo #
--echo # Start of 5.3 tests
--echo #
--echo #
--echo # MDEV-5783 Assertion `0' failed in make_sortkey(SORTPARAM*, uchar*, uchar*) on ORDER BY HEX(UNCOMPRESSED_LENGTH(pk))
--echo #
CREATE TABLE t1 (pk INT PRIMARY KEY);
INSERT INTO t1 VALUES (1),(2);
SELECT UNCOMPRESSED_LENGTH(pk) FROM t1;
# ORDER is not strict, so disable results
--disable_result_log
SELECT * FROM t1 ORDER BY HEX(UNCOMPRESSED_LENGTH(pk));
--enable_result_log
DROP TABLE t1;
--echo #
--echo # End of 5.3 tests
--echo #

2
sql/item_strfunc.h
View file

@ -822,7 +822,7 @@ class Item_func_uncompressed_length : public Item_int_func
public:
Item_func_uncompressed_length(Item *a):Item_int_func(a){}
const char *func_name() const{return "uncompressed_length";}
void fix_length_and_dec() { max_length=10; }
void fix_length_and_dec() { max_length=10; maybe_null= true; }
longlong val_int();
};