Add BigQuery platform with engine-only integration tests#774
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JunWang222 wants to merge 14 commits into
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Add BigQuery platform with engine-only integration tests#774JunWang222 wants to merge 14 commits into
JunWang222 wants to merge 14 commits into
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Run the whole Wayang plan, including the terminal sink, inside BigQuery: register only BigQuery.plugin(), end every BigQueryOperatorsIT test in a TableSink that compiles to CREATE TABLE `proj.ds.t` AS SELECT, and assert results via plain JDBC after execute() returns. With no Java plugin the optimizer must push down, so the sink table's contents prove in-engine execution (BigQuery has no system.runtime.queries). - jdbc-template JdbcExecutor.executeSinkStage: use selectStartTask for multi-source joins and collect global-reduce/reduce-by/sort into the composed CREATE TABLE AS SELECT (ported from wayang-trino-only-test). - BigQueryOperatorsIT: 13 engine-only tests (8 operator-level + 5 JavaPlanBuilder); join Tuple2->Record handled by a test-only flatten mapping to BigQueryProjectionOperator; lookup key renamed region_name to avoid a duplicate column in the CTAS. DDL-only (free-tier safe). - improvement.md: document the engine-only shape. Verified against real BigQuery: Tests run: 13, Failures: 0, Errors: 0, Skipped: 0; 13 CREATE TABLE AS SELECT executed in BigQuery. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
This PR adds the Wayang BigQuery platform implementation and engine-only integration tests.
What is included
wayang-bigqueryplatform module.BigQueryOperatorsITcoverage for each operator.BigQuery.plugin().Validation
apache/wayang:main.