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 0
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`;