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Bug #28921 Queries containing UDF functions are cached

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Fixed runtime to no longer allow the caching of queries with UDF calls.
This commit is contained in:
dkatz@damien-katzs-computer.local 2007-06-18 17:55:12 -04:00
parent 46772d36e2
commit b7a2b41374
3 changed files with 49 additions and 2 deletions
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23
mysql-test/r/udf.result
View File

@ -273,4 +273,27 @@ drop function f3;
drop function metaphon; drop function metaphon;
drop function myfunc_double; drop function myfunc_double;
drop function myfunc_int; drop function myfunc_int;
CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
create table t1 (a char);
set GLOBAL query_cache_size=1355776;
reset query cache;
select metaphon('MySQL') from t1;
metaphon('MySQL')
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
select metaphon('MySQL') from t1;
metaphon('MySQL')
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
drop table t1;
drop function metaphon;
set GLOBAL query_cache_size=default;
End of 5.0 tests. End of 5.0 tests.

24
mysql-test/t/udf.test
View File

@ -288,4 +288,28 @@ drop function metaphon;
drop function myfunc_double; drop function myfunc_double;
drop function myfunc_int; drop function myfunc_int;
#
# Bug #28921: Queries containing UDF functions are cached
#
--replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB
eval CREATE FUNCTION metaphon RETURNS STRING SONAME "$UDF_EXAMPLE_LIB";
create table t1 (a char);
set GLOBAL query_cache_size=1355776;
reset query cache;
select metaphon('MySQL') from t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
select metaphon('MySQL') from t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
drop table t1;
drop function metaphon;
set GLOBAL query_cache_size=default;
--echo End of 5.0 tests. --echo End of 5.0 tests.

2
sql/sql_yacc.yy
View File

@ -5150,8 +5150,8 @@ simple_expr:
$$= new Item_func_sp(Lex->current_context(), name, *$4); $$= new Item_func_sp(Lex->current_context(), name, *$4);
else else
$$= new Item_func_sp(Lex->current_context(), name); $$= new Item_func_sp(Lex->current_context(), name);
lex->safe_to_cache_query=0;
} }
lex->safe_to_cache_query=0;
} }
| UNIQUE_USERS '(' text_literal ',' NUM ',' NUM ',' expr_list ')' | UNIQUE_USERS '(' text_literal ',' NUM ',' NUM ',' expr_list ')'
{ {