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| author | Sergey Glukhov <Sergey.Glukhov@sun.com> | 2010-01-19 13:03:40 +0400 |
|---|---|---|
| committer | Sergey Glukhov <Sergey.Glukhov@sun.com> | 2010-01-19 13:03:40 +0400 |
| commit | baacdf1dae688fc148967acf20bf1ef79b3f7c01 (patch) | |
| tree | 4e5206090a5587437984eb53af8aaa3622c76dd1 /sql/mysql_priv.h | |
| parent | 22cff392741e4bdce19d53a57fa2530a7eac9894 (diff) | |
| download | mariadb-git-baacdf1dae688fc148967acf20bf1ef79b3f7c01.tar.gz | |
Bug#49501 Inefficient information_schema check (system collation)
added check_length optimization for I_S_NAME comparison
Diffstat (limited to 'sql/mysql_priv.h')
| -rw-r--r-- | sql/mysql_priv.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h index c04b1f5ae38..2be3b8f1f20 100644 --- a/sql/mysql_priv.h +++ b/sql/mysql_priv.h @@ -1415,8 +1415,12 @@ bool get_schema_tables_result(JOIN *join, enum enum_schema_table_state executed_place); enum enum_schema_tables get_schema_table_idx(ST_SCHEMA_TABLE *schema_table); -#define is_schema_db(X) \ - !my_strcasecmp(system_charset_info, INFORMATION_SCHEMA_NAME.str, (X)) +inline bool is_schema_db(const char *name, size_t len) +{ + return (INFORMATION_SCHEMA_NAME.length == len && + !my_strcasecmp(system_charset_info, + INFORMATION_SCHEMA_NAME.str, name)); +} /* sql_prepare.cc */ |