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t8y2--dbx/agents/metadata-constraint-coverage.tsv
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2026-07-13 13:09:14 +08:00

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driver strategy scope reason
access intentional-fallback java-jdbc-metadata Uses Access JDBC metadata; no portable stable server-side paging API, common constraints filter locally.
bigquery native-pushdown java-sql Uses dataset INFORMATION_SCHEMA.TABLES with type, normal-name filter, stable order, and literal LIMIT/OFFSET.
cassandra intentional-fallback java-cql Uses Cassandra system_schema; portable LIKE/fuzzy paging is not safe across versions, common constraints filter locally.
dameng native-pushdown java-sql Uses ALL_OBJECTS with type, filter, stable order, and LIMIT/OFFSET with legacy fallback.
databend native-pushdown java-sql Uses system procedures for routine pushdown and shared table metadata constraints for table-like objects.
db2 native-pushdown java-sql Uses SYSCAT metadata with type, filter, stable order, and OFFSET/FETCH.
gbase8a native-pushdown java-sql Uses information_schema with type, filter, stable order, and LIMIT/OFFSET.
gbase8s native-pushdown java-sql Uses systables with type, filter, stable order, and SKIP/FIRST.
goldendb native-pushdown java-sql Uses information_schema with type, filter, stable order, and LIMIT/OFFSET.
h2 native-pushdown java-sql Uses INFORMATION_SCHEMA with type, filter, stable order, and LIMIT/OFFSET.
hive intentional-fallback java-sql Uses Hive metadata paths where stable server-side fuzzy paging is not portable, common constraints filter locally.
informix native-pushdown java-sql Uses systables/sysprocedures with type, filter, stable order, and SKIP/FIRST.
kingbase native-pushdown java-sql Uses sys_catalog/information_schema with type, filter, stable order, and LIMIT/OFFSET for both compatibility modes.
kylin intentional-fallback java-jdbc-metadata Uses JDBC metadata from Kylin driver; no portable server-side paging API, common constraints filter locally.
neo4j intentional-fallback java-graph-metadata Uses JDBC metadata with Cypher fallback; label discovery cannot guarantee relational-style filtered paging, common constraints filter locally.
oceanbase-oracle native-pushdown java-sql Uses Oracle-compatible metadata SQL with type, filter, stable order, and ROWNUM paging.
oracle-go native-pushdown native-go Uses Oracle-compatible metadata SQL with type, filter, stable order, and ROWNUM paging, with legacy profile guard.
snowflake native-pushdown java-sql Uses INFORMATION_SCHEMA with type, filter, stable order, and literal LIMIT/OFFSET.
spark intentional-fallback java-show-metadata Uses SHOW TABLES/SHOW DATABASES; stable server-side fuzzy paging is not portable, common constraints filter locally.
sundb native-pushdown java-sql Uses information_schema with type, filter, stable order, and LIMIT/OFFSET.
tdengine intentional-fallback java-show-metadata Uses SHOW STABLES/TABLES; stable server-side fuzzy paging is not portable, common constraints filter locally.
trino native-pushdown java-sql Uses information_schema.tables with type, filter, stable order, and literal LIMIT/OFFSET.
xugu native-pushdown native-go Uses ALL_TABLES/ALL_VIEWS metadata with type, filter, stable order, and ROWNUM paging.