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from a589b10 Merge pull request #16604: [BEAM-13714] Get rid of unnecessary logs for BigQuery streaming writes add cf79c26 [BEAM-12976] Implement Java projection pushdown optimizer. (#16513) No new revisions were added by this update. Summary of changes: .../graph/PCollectionOutputTagVisitor.java | 91 +++++ .../graph/ProjectionProducerVisitor.java | 6 + .../graph/ProjectionPushdownOptimizer.java | 136 ++++++++ .../graph/ProjectionPushdownOptimizerTest.java | 366 +++++++++++++++++++++ 4 files changed, 599 insertions(+) create mode 100644 runners/core-construction-java/src/main/java/org/apache/beam/runners/core/construction/graph/PCollectionOutputTagVisitor.java create mode 100644 runners/core-construction-java/src/main/java/org/apache/beam/runners/core/construction/graph/ProjectionPushdownOptimizer.java create mode 100644 runners/core-construction-java/src/test/java/org/apache/beam/runners/core/construction/graph/ProjectionPushdownOptimizerTest.java