PAX: reset row filter memory context to avoid OOM

jiaqizho · jiaqizho · commit c70781b515a5 · 2025-04-14T22:26:06.000+08:00
Which would cause potential memory leak.
diff --git a/contrib/pax_storage/src/cpp/storage/micro_partition_row_filter_reader.cc b/contrib/pax_storage/src/cpp/storage/micro_partition_row_filter_reader.cc
@@ -113,6 +113,7 @@ bool MicroPartitionRowFilterReader::TestRowScanInternal(TupleTableSlot *slot,
   auto econtext = ctx->econtext;
   econtext->ecxt_scantuple = slot;
 
+  ResetExprContext(econtext);
   return TestExecQual(estate, econtext);
 }
 }  // namespace pax

Original file line number	Diff line number	Diff line change
`@@ -113,6 +113,7 @@ bool MicroPartitionRowFilterReader::TestRowScanInternal(TupleTableSlot *slot,`
`113`	`113`	`auto econtext = ctx->econtext;`
`114`	`114`	`econtext->ecxt_scantuple = slot;`
`115`	`115`
	`116`	`+ ResetExprContext(econtext);`
`116`	`117`	`return TestExecQual(estate, econtext);`
`117`	`118`	`}`
`118`	`119`	`} // namespace pax`