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MDEV-23327 Can't uninstall UDF if the implementation library file doesn't exist

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Made cleanup of DROP (udf) FUNCTION procedure and also check of mysql.func (not only loaded udf).
This commit is contained in:
Oleksandr Byelkin
2020-07-29 21:54:24 +02:00
parent 95bb3cb886
commit bba22543b1
5 changed files with 164 additions and 56 deletions
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8
sql/sql_udf.h
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@ -140,7 +140,13 @@ void udf_init(void),udf_free(void);
udf_func *find_udf(const char *name, uint len=0,bool mark_used=0);
void free_udf(udf_func *udf);
int mysql_create_function(THD *thd,udf_func *udf);
int mysql_drop_function(THD *thd,const LEX_STRING *name);
enum drop_udf_result
{
UDF_DEL_RESULT_ABSENT,
UDF_DEL_RESULT_DELETED,
UDF_DEL_RESULT_ERROR
};
enum drop_udf_result mysql_drop_function(THD *thd,const LEX_STRING *name);
#else
static inline void udf_init(void) { }
static inline void udf_free(void) { }