Syntax\n------\n\nCOLUMN_EXISTS(dyncol_blob, column_nr)\nCOLUMN_EXISTS(dyncol_blob, column_name)\n\nDescription\n-----------\n\nChecks if a column with name column_name exists in dyncol_blob. If yes, return 1, otherwise return 0. See dynamic columns for more information.\n\nURL: https://mariadb.com/docs/server/reference/sql-functions/special-functions/dynamic-columns-functions/column_exists