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A fix for Bug#11918 "SP does not accept variables in LIMIT clause"

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Allow stored procedure variables in LIMIT clause.
Only allow variables of INTEGER types. 
Handle negative values by means of an implicit cast to UNSIGNED 
(similarly to prepared statement placeholders).
Add tests.
Make sure replication works by not doing NAME_CONST substitution
for variables in LIMIT clause.
Add replication tests.
This commit is contained in:
Konstantin Osipov
2010-04-14 01:56:19 +04:00
parent 03b1cdd045
commit b8d014b8f6
11 changed files with 357 additions and 3 deletions
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1
sql/sql_string.h
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@ -267,6 +267,7 @@ public:
bool append(const char *s);
bool append(const char *s,uint32 arg_length);
bool append(const char *s,uint32 arg_length, CHARSET_INFO *cs);
bool append_ulonglong(ulonglong val);
bool append(IO_CACHE* file, uint32 arg_length);
bool append_with_prefill(const char *s, uint32 arg_length,
uint32 full_length, char fill_char);