feat: Implement LEFT JOIN and fix NULL handling in PostgreSQL protocol#12

Merged

poyrazK merged 15 commits intomainfrom

feature/fix-joins-and-nulls

Mar 9, 2026

Commits on Mar 9, 2026

feat(executor): add JoinType enum to core executor types
poyrazK
committed
refactor(executor): update Operator base class and HashJoinOperator interface
poyrazK
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feat(executor): implement LEFT JOIN logic and fix Operator state management
poyrazK
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fix(parser): improve qualified column resolution in ColumnExpr
poyrazK
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feat(executor): map and pass join types in QueryExecutor build_plan
poyrazK
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fix(network): correctly transmit NULL values in PostgreSQL protocol and automate SLT tests
poyrazK
committed
style: automated clang-format fixes

poyrazK
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github-actions[bot]
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feat(executor): implement FULL and RIGHT join support in HashJoinOperator
poyrazK
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fix(parser): align evaluate_vectorized with scalar qualified column resolution
poyrazK
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test(parser): fix undeclared aliases in ParserAdvanced tests
poyrazK
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perf(network): reserve capacity for col_vals in server response
poyrazK
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feat(test): add rowsort and valuesort support to SLT runner
poyrazK
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refactor(test): implement cross-platform CPU detection in run_test.sh
poyrazK
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chore: resolve merge conflicts in tests/cloudSQL_tests.cpp
poyrazK
committed
style: automated clang-format fixes

poyrazK
authored and
github-actions[bot]
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