File: fn_list_add.test

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-- source include/not_embedded.inc
# Tests for sys schema
# Verify the sys.list_add() function perfoms as expected

# Should init with a single value
SELECT sys.list_add(NULL, 'foo');

# Should init with a single value
SELECT sys.list_add('', 'foo');

# Should add to the list with a comma
SELECT sys.list_add('bar', 'foo');

# Should add to the list with a single comma
SELECT sys.list_add('bar, ', 'foo');

# Should return an error with a NULL value to add
--error 1138
SELECT sys.list_add('foo', NULL);

# Test the sql mode update use case
# save old mode to restore
SET @sqlmode := @@sql_mode;

SELECT @@sql_mode;

SET SESSION sql_mode = sys.list_add(@@sql_mode, 'ANSI_QUOTES');

SELECT @@sql_mode;

# restore old mode
SET SESSION sql_mode = @sqlmode;
SET @sqlmode := NULL;

# Check too large a value
SET @input := REPEAT('a', 4194304);
-- error 1406
SELECT sys.list_add(@input, 'foo');
SET @input := NULL;