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merged bug#12361113.

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Also added tests for partitions key caches.
This commit is contained in:
Mattias Jonsson
2011-12-14 15:33:01 +01:00
parent fc516afc88 52076824c9
commit 7e63c8ac0d
6 changed files with 95 additions and 0 deletions
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27
mysql-test/r/partition_key_cache.result
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@ -397,6 +397,33 @@ test.t1 assign_to_keycache error Subpartition sp0 returned error
test.t1 assign_to_keycache Error Key 'inx_b' doesn't exist in table 't1'
test.t1 assign_to_keycache status Operation failed
DROP TABLE t1,t2;
#
# Bug#12361113: crash when load index into cache
#
# Note that this creates an empty disabled key cache!
SET GLOBAL key_cache_none.key_cache_block_size = 1024;
CREATE TABLE t1 (a INT, b INTEGER NOT NULL, KEY (b) )
ENGINE = MYISAM
PARTITION BY HASH(a) PARTITIONS 2;
INSERT INTO t1 VALUES (1, 1);
CACHE INDEX t1 IN key_cache_none;
ERROR HY000: Unknown key cache 'key_cache_none'
CACHE INDEX t1 PARTITION (p0) IN key_cache_none;
ERROR HY000: Unknown key cache 'key_cache_none'
CACHE INDEX t1 PARTITION (p1) IN key_cache_none;
ERROR HY000: Unknown key cache 'key_cache_none'
CACHE INDEX t1 PARTITION (p0) KEY (`b`) IN key_cache_none;
ERROR HY000: Unknown key cache 'key_cache_none'
CACHE INDEX t1 PARTITION (p1) KEY (`b`) IN key_cache_none;
ERROR HY000: Unknown key cache 'key_cache_none'
# The bug crashed the server at LOAD INDEX below. Now it will succeed
# since the default cache is used due to CACHE INDEX failed for
# key_cache_none.
LOAD INDEX INTO CACHE t1;
Table Op Msg_type Msg_text
test.t1 preload_keys status OK
DROP TABLE t1;
# Clean up
SET GLOBAL hot_cache.key_buffer_size = 0;
SET GLOBAL warm_cache.key_buffer_size = 0;
SET @@global.cold_cache.key_buffer_size = 0;