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Bug#30087 Set query_cache_size, if the value is too small, get a unclear warning

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This bugs clarifies a warning message issued when the query cache data
size becomes smaller than the minium allowed size.
This commit is contained in:
Kristofer Pettersson
2008-06-19 02:40:35 +02:00
parent 22bd6d9de6
commit 71be65dd11
5 changed files with 43 additions and 17 deletions
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8
mysql-test/r/query_cache.result
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@@ -564,7 +564,7 @@ select * from t1;
a
set GLOBAL query_cache_size=1024;
Warnings:
Warning 1282 Query cache failed to set size 1024; new query cache size is 0
Warning 1282 Query cache failed to set size 1024 (minimal value: 41297); new query cache size is 0
show global variables like "query_cache_size";
Variable_name Value
query_cache_size 0
@@ -572,7 +572,7 @@ select * from t1;
a
set GLOBAL query_cache_size=10240;
Warnings:
Warning 1282 Query cache failed to set size 10240; new query cache size is 0
Warning 1282 Query cache failed to set size 10240 (minimal value: 41297); new query cache size is 0
show global variables like "query_cache_size";
Variable_name Value
query_cache_size 0
@@ -580,7 +580,7 @@ select * from t1;
a
set GLOBAL query_cache_size=20480;
Warnings:
Warning 1282 Query cache failed to set size 20480; new query cache size is 0
Warning 1282 Query cache failed to set size 20480 (minimal value: 41297); new query cache size is 0
show global variables like "query_cache_size";
Variable_name Value
query_cache_size 0
@@ -588,7 +588,7 @@ select * from t1;
a
set GLOBAL query_cache_size=40960;
Warnings:
Warning 1282 Query cache failed to set size 40960; new query cache size is 0
Warning 1282 Query cache failed to set size 40960 (minimal value: 41297); new query cache size is 0
show global variables like "query_cache_size";
Variable_name Value
query_cache_size 0