1 \N schema_type core 2 \N schema_version 113 3 \N patch patch_111_112_a.sql|schema_version 4 \N patch patch_111_112_b.sql|Allow meta_value to be null 5 \N patch patch_112_113_a.sql|schema_version 6 \N patch patch_112_113_b.sql|Ensure meta_value is not null