diff options
| -rw-r--r-- | mysql-test/r/lowercase_view.result | 17 | ||||
| -rw-r--r-- | mysql-test/t/lowercase_view.test | 22 | ||||
| -rw-r--r-- | sql/sql_show.cc | 37 |
3 files changed, 67 insertions, 9 deletions
diff --git a/mysql-test/r/lowercase_view.result b/mysql-test/r/lowercase_view.result index c37dc41c495..33c87ec101c 100644 --- a/mysql-test/r/lowercase_view.result +++ b/mysql-test/r/lowercase_view.result @@ -148,3 +148,20 @@ a DROP VIEW v1; DROP TABLE t1; End of 5.0 tests. +# +# Bug #53095: SELECT column_name FROM INFORMATION_SCHEMA.STATISTICS +# returns nothing +# +CREATE TABLE `ttt` ( +`f1` char(3) NOT NULL, +PRIMARY KEY (`f1`) +) ENGINE=myisam DEFAULT CHARSET=latin1; +SELECT count(COLUMN_NAME) FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_NAME = +'TTT'; +count(COLUMN_NAME) +1 +SELECT count(*) FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_NAME = 'TTT'; +count(*) +1 +DROP TABLE `ttt`; +End of 5.0 tests. diff --git a/mysql-test/t/lowercase_view.test b/mysql-test/t/lowercase_view.test index d6612b3e6b9..52be911cde0 100644 --- a/mysql-test/t/lowercase_view.test +++ b/mysql-test/t/lowercase_view.test @@ -160,4 +160,26 @@ SELECT * FROM v1; DROP VIEW v1; DROP TABLE t1; + +--echo End of 5.0 tests. + + +--echo # +--echo # Bug #53095: SELECT column_name FROM INFORMATION_SCHEMA.STATISTICS +--echo # returns nothing +--echo # + +CREATE TABLE `ttt` ( + `f1` char(3) NOT NULL, + PRIMARY KEY (`f1`) +) ENGINE=myisam DEFAULT CHARSET=latin1; + +SELECT count(COLUMN_NAME) FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_NAME = +'TTT'; +SELECT count(*) FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_NAME = 'TTT'; + +DROP TABLE `ttt`; + + --echo End of 5.0 tests. + diff --git a/sql/sql_show.cc b/sql/sql_show.cc index 33abf356718..0eeb333f278 100644 --- a/sql/sql_show.cc +++ b/sql/sql_show.cc @@ -2690,36 +2690,54 @@ bool get_lookup_field_values(THD *thd, COND *cond, TABLE_LIST *tables, { LEX *lex= thd->lex; const char *wild= lex->wild ? lex->wild->ptr() : NullS; + bool rc= 0; + bzero((char*) lookup_field_values, sizeof(LOOKUP_FIELD_VALUES)); switch (lex->sql_command) { case SQLCOM_SHOW_DATABASES: if (wild) { - lookup_field_values->db_value.str= (char*) wild; - lookup_field_values->db_value.length= strlen(wild); + thd->make_lex_string(&lookup_field_values->db_value, + wild, strlen(wild), 0); lookup_field_values->wild_db_value= 1; } - return 0; + break; case SQLCOM_SHOW_TABLES: case SQLCOM_SHOW_TABLE_STATUS: case SQLCOM_SHOW_TRIGGERS: case SQLCOM_SHOW_EVENTS: - lookup_field_values->db_value.str= lex->select_lex.db; - lookup_field_values->db_value.length=strlen(lex->select_lex.db); + thd->make_lex_string(&lookup_field_values->db_value, + lex->select_lex.db, strlen(lex->select_lex.db), 0); if (wild) { - lookup_field_values->table_value.str= (char*)wild; - lookup_field_values->table_value.length= strlen(wild); + thd->make_lex_string(&lookup_field_values->table_value, + wild, strlen(wild), 0); lookup_field_values->wild_table_value= 1; } - return 0; + break; default: /* The "default" is for queries over I_S. All previous cases handle SHOW commands. */ - return calc_lookup_values_from_cond(thd, cond, tables, lookup_field_values); + rc= calc_lookup_values_from_cond(thd, cond, tables, lookup_field_values); + break; } + + if (lower_case_table_names && !rc) + { + /* + We can safely do in-place upgrades here since all of the above cases + are allocating a new memory buffer for these strings. + */ + if (lookup_field_values->db_value.str && lookup_field_values->db_value.str[0]) + my_casedn_str(system_charset_info, lookup_field_values->db_value.str); + if (lookup_field_values->table_value.str && + lookup_field_values->table_value.str[0]) + my_casedn_str(system_charset_info, lookup_field_values->table_value.str); + } + + return rc; } @@ -3324,6 +3342,7 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond) error= 0; goto err; } + DBUG_PRINT("INDEX VALUES",("db_name='%s', table_name='%s'", STR_OR_NIL(lookup_field_vals.db_value.str), STR_OR_NIL(lookup_field_vals.table_value.str))); |