mariadb/mysql-test/suite/sysschema/r/pr_table_exists.result
Anel Husakovic 06a4193cc3 MDEV-28391: table_exists procedure fails when arguments contain escaped backticks as an quoted identifiers
- When arguments to the procedure contain quote in the name, procedure fails with parsing error.
  The reason was because additional quoting is done when testing TEMPORARY table with the same name.
- Reviewed by: <wlad@mariadb.com>
2022-05-04 08:31:55 -05:00

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CREATE TABLE t1 (id INT PRIMARY KEY);
CALL sys.table_exists('test', 't1', @exists);
SELECT @exists;
@exists
BASE TABLE
DROP TABLE t1;
CREATE view v_t1 AS SELECT 1;
CALL sys.table_exists('test', 'v_t1', @exists);
SELECT @exists;
@exists
VIEW
DROP VIEW v_t1;
CREATE TABLE tv (i int) with system versioning;
CALL sys.table_exists('test','tv',@exists);
SELECT @exists;
@exists
BASE TABLE
DROP TABLE tv;
CREATE SEQUENCE s;
CALL sys.table_exists('test','s',@exists);
SELECT @exists;
@exists
SEQUENCE
DROP SEQUENCE s;
CREATE TEMPORARY TABLE t1 (id INT PRIMARY KEY);
CALL sys.table_exists('test', 't1', @exists);
SELECT @exists;
@exists
TEMPORARY
DROP TEMPORARY TABLE t1;
CALL sys.table_exists('information_schema', 'all_plugins', @exists);
SELECT @exists;
@exists
SYSTEM VIEW
CALL sys.table_exists('test', 't2', @exists);
SELECT @exists;
@exists
SET @identifier := REPEAT('a', 65);
CALL sys.table_exists(@identifier, 't1', @exists);
ERROR 22001: Data too long for column 'in_db' at row 1
CALL sys.table_exists('test', @identifier, @exists);
ERROR 22001: Data too long for column 'in_table' at row 1
SET @identifier := NULL;
#
# MDEV-28391: table_exists procedure fails with
# Incorrect table name with backtick identifiers
#
CREATE TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
CALL sys.table_exists('test', 'ab`c', @tbl_type);
SELECT @tbl_type;
@tbl_type
BASE TABLE
DROP TABLE `ab``c`;
CREATE TEMPORARY TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
CALL sys.table_exists('test', 'ab`c', @tbl_type);
SELECT @tbl_type;
@tbl_type
TEMPORARY
DROP TABLE `ab``c`;
CREATE TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
CREATE TEMPORARY TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
CALL sys.table_exists('test', 'ab`c', @tbl_type);
SELECT @tbl_type;
@tbl_type
TEMPORARY
# We cannot send quoted identifer to the procedure, no table will be found
CALL sys.table_exists('test', '`ab``c`', @tbl_type);
SELECT @tbl_type;
@tbl_type
DROP TABLE `ab``c`;