Expand support for column-level lineage

GoogleCloudPlatform / zetasql-toolkit

The ZetaSQL Toolkit is a library that helps users use ZetaSQL Java API to perform SQL analysis for multiple query engines, including BigQuery and Cloud Spanner.

Apache License 2.0

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Expand support for column-level lineage #22

Closed ppaglilla closed 1 year ago

ppaglilla commented 1 year ago

Extends support for column-level lineage with support for:

Lineage for CREATE VIEW statements
Field-level lineage for STRUCT columns and operations
Proper handling of scoping for WITH clauses
Proper handling of columns generated in a ResolvedSetOperationScan