Replace libcsv with pg COPY for csv loading #2310
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- Commit also adds permission checks - Resolves a critical memory spike issue on loading large file - Use pg's COPY infrastructure (BeginCopyFrom, NextCopyFromRawFields) for 64KB buffered CSV parsing instead of libcsv - Add byte based flush threshold (64KB) matching COPY behavior for memory safety - Use heap_multi_insert with BulkInsertState for optimized batch inserts - Add per batch memory context to prevent memory growth during large loads - Remove libcsv dependency (libcsv.c, csv.h) - Improves loading performance by 15-20% - No previous regression tests were impacted - Added regression tests for permissions/rls Assisted-by AI
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jrgemignani
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- Commit also adds permission checks - Resolves a critical memory spike issue on loading large file - Use pg's COPY infrastructure (BeginCopyFrom, NextCopyFromRawFields) for 64KB buffered CSV parsing instead of libcsv - Add byte based flush threshold (64KB) matching COPY behavior for memory safety - Use heap_multi_insert with BulkInsertState for optimized batch inserts - Add per batch memory context to prevent memory growth during large loads - Remove libcsv dependency (libcsv.c, csv.h) - Improves loading performance by 15-20% - No previous regression tests were impacted - Added regression tests for permissions/rls Assisted-by AI Resolved conflict with ExecInitRangeTable
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