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Fixes and test cases for Bug#8880 "Commands out of sync error with cursors"

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and Bug#9159 "Server crash during mysql_stmt_close".
The patch adds support for single-row result sets in cursors.
This commit is contained in:
konstantin@mysql.com
2005-03-24 15:12:53 +03:00
parent 947065ddab
commit fd54ee4539
4 changed files with 89 additions and 7 deletions
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11
libmysql/libmysql.c
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@ -2862,6 +2862,17 @@ int STDCALL mysql_stmt_execute(MYSQL_STMT *stmt)
mysql->status= MYSQL_STATUS_READY;
stmt->read_row_func= stmt_read_row_from_cursor;
}
else if (stmt->flags & CURSOR_TYPE_READ_ONLY)
{
/*
This is a single-row result set, a result set with no rows, EXPLAIN,
SHOW VARIABLES, or some other command which either a) bypasses the
cursors framework in the server and writes rows directly to the
network or b) is more efficient if all (few) result set rows are
precached on client and server's resources are freed.
*/
DBUG_RETURN(mysql_stmt_store_result(stmt));
}
else
{
stmt->mysql->unbuffered_fetch_owner= &stmt->unbuffered_fetch_cancelled;