-- source include/not_embedded.inc


# Create a base table and a view
CREATE TABLE t1 (id INT PRIMARY KEY);
# Verify the base table and view is supported
CALL sys.table_exists('test', 't1', @exists);
SELECT @exists;
DROP TABLE t1;

CREATE view v_t1 AS SELECT 1;
CALL sys.table_exists('test', 'v_t1', @exists);
SELECT @exists;
DROP VIEW v_t1;

CREATE TABLE tv (i int) with system versioning;
CALL sys.table_exists('test','tv',@exists);
SELECT @exists;
DROP TABLE tv;

CREATE SEQUENCE s;
CALL sys.table_exists('test','s',@exists);
SELECT @exists;
DROP SEQUENCE s;

# Replace the base table with a temporary table
CREATE TEMPORARY TABLE t1 (id INT PRIMARY KEY);
CALL sys.table_exists('test', 't1', @exists);
SELECT @exists;
DROP TEMPORARY TABLE t1;

CALL sys.table_exists('information_schema', 'all_plugins', @exists);
SELECT @exists;

# Try a non-existing table
CALL sys.table_exists('test', 't2', @exists);
SELECT @exists;

# Try variables longer than expected
SET @identifier := REPEAT('a', 65);

-- error 1406
CALL sys.table_exists(@identifier, 't1', @exists);

-- error 1406
CALL sys.table_exists('test', @identifier, @exists);

SET @identifier := NULL;

--echo #
--echo # MDEV-28391: table_exists procedure fails with
--echo #             Incorrect table name with backtick identifiers
--echo #
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;
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;
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;
--echo # 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;
DROP TABLE `ab``c`;