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Bug#19904: UDF: not initialized *is_null per row

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The is_null value was initialized once and thereafter only set to indicate
NULL, and never unset to indicate not-NULL.

Now set is_null to false, in addition to only setting it to true when the value 
in question is null.
This commit is contained in:
cmiller@zippy.(none)
2006-06-08 13:25:28 -04:00
parent f25fcf79a5
commit 4bb358924c
3 changed files with 32 additions and 0 deletions
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2
sql/sql_udf.h
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@@ -70,6 +70,7 @@ class udf_handler :public Sql_alloc
void cleanup();
double val(my_bool *null_value)
{
is_null= 0;
if (get_arguments())
{
*null_value=1;
@@ -88,6 +89,7 @@ class udf_handler :public Sql_alloc
}
longlong val_int(my_bool *null_value)
{
is_null= 0;
if (get_arguments())
{
*null_value=1;