presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/MetadataDao.java/MetadataDao/listTableColumns
class MetadataDao:    @SqlQuery(TABLE_COLUMN_SELECT +
            "WHERE (schema_name = :schemaName OR :schemaName IS NULL)\n" +
            "  AND (table_name = :tableName OR :tableName IS NULL)\n" +
            "ORDER BY schema_name, table_name, ordinal_position")
    List<TableColumn> listTableColumns(
            @Bind("schemaName") String schemaName,
            @Bind("tableName") String tableName);