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item_cmpfunc.cc:

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Removed changes to the Item_func_between::fix_length_and_dec() made in the fix for bug#16377
query_cache.result:
  Corrected a test case after removing a fix for bug#16377


mysql-test/r/query_cache.result:
  Corrected a test case after removing a fix for bug#16377
sql/item_cmpfunc.cc:
  Removed changes to the Item_func_between::fix_length_and_dec() made in the fix for bug#16377
This commit is contained in:
unknown 2006-09-12 19:06:26 +04:00
parent aa840645e6
commit f3e838706d
2 changed files with 27 additions and 2 deletions
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3
mysql-test/r/query_cache.result
View File

@ -907,16 +907,19 @@ COUNT(*)
0
Warnings:
Warning 1292 Truncated incorrect datetime value: '20050327 invalid'
Warning 1292 Truncated incorrect datetime value: '20050327 invalid'
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 invalid';
COUNT(*)
0
Warnings:
Warning 1292 Truncated incorrect datetime value: '20050328 invalid'
Warning 1292 Truncated incorrect datetime value: '20050328 invalid'
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
COUNT(*)
0
Warnings:
Warning 1292 Truncated incorrect datetime value: '20050327 invalid'
Warning 1292 Truncated incorrect datetime value: '20050327 invalid'
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0

26
sql/item_cmpfunc.cc
View File

@ -916,8 +916,30 @@ void Item_func_between::fix_length_and_dec()
if (!args[0] || !args[1] || !args[2])
return;
agg_cmp_type(thd, &cmp_type, args, 3);
if (cmp_type == STRING_RESULT)
agg_arg_charsets(cmp_collation, args, 3, MY_COLL_CMP_CONV);
if (cmp_type == STRING_RESULT &&
agg_arg_charsets(cmp_collation, args, 3, MY_COLL_CMP_CONV))
return;
/*
Make a special case of compare with date/time and longlong fields.
They are compared as integers, so for const item this time-consuming
conversion can be done only once, not for every single comparison
*/
if (args[0]->type() == FIELD_ITEM)
{
Field *field=((Item_field*) args[0])->field;
if (field->can_be_compared_as_longlong())
{
/*
The following can't be recoded with || as convert_constant_item
changes the argument
*/
if (convert_constant_item(thd, field,&args[1]))
cmp_type=INT_RESULT; // Works for all types.
if (convert_constant_item(thd, field,&args[2]))
cmp_type=INT_RESULT; // Works for all types.
}
}
}