3 files changed, 6 insertions, 1 deletions
diff --git a/src/include/executor/executor.h b/src/include/executor/executor.h
index 9003f2ce58..0cf7aa3495 100644
--- a/src/include/executor/executor.h
+++ b/src/include/executor/executor.h
@@ -111,6 +111,7 @@ extern ExprState *execTuplesMatchPrepare(TupleDesc desc,
 					   int numCols,
 					   const AttrNumber *keyColIdx,
 					   const Oid *eqOperators,
+					   const Oid *collations,
 					   PlanState *parent);
 extern void execTuplesHashPrepare(int numCols,
 					  const Oid *eqOperators,
@@ -121,6 +122,7 @@ extern TupleHashTable BuildTupleHashTable(PlanState *parent,
 					int numCols, AttrNumber *keyColIdx,
 					const Oid *eqfuncoids,
 					FmgrInfo *hashfunctions,
+					Oid *collations,
 					long nbuckets, Size additionalsize,
 					MemoryContext tablecxt,
 					MemoryContext tempcxt, bool use_variable_hash_iv);
@@ -129,6 +131,7 @@ extern TupleHashTable BuildTupleHashTableExt(PlanState *parent,
 					int numCols, AttrNumber *keyColIdx,
 					const Oid *eqfuncoids,
 					FmgrInfo *hashfunctions,
+					Oid *collations,
 					long nbuckets, Size additionalsize,
 					MemoryContext metacxt,
 					MemoryContext tablecxt,
@@ -257,6 +260,7 @@ extern ExprState *ExecBuildGroupingEqual(TupleDesc ldesc, TupleDesc rdesc,
 					   int numCols,
 					   const AttrNumber *keyColIdx,
 					   const Oid *eqfunctions,
+					   const Oid *collations,
 					   PlanState *parent);
 extern ProjectionInfo *ExecBuildProjectionInfo(List *targetList,
 						ExprContext *econtext,
diff --git a/src/include/executor/hashjoin.h b/src/include/executor/hashjoin.h
index e7bf158c1b..2c94b926d3 100644
--- a/src/include/executor/hashjoin.h
+++ b/src/include/executor/hashjoin.h
@@ -337,6 +337,7 @@ typedef struct HashJoinTableData
 	FmgrInfo   *outer_hashfunctions;	/* lookup data for hash functions */
 	FmgrInfo   *inner_hashfunctions;	/* lookup data for hash functions */
 	bool	   *hashStrict;		/* is each hash join operator strict? */
+	Oid		   *collations;
 
 	Size		spaceUsed;		/* memory space currently used by tuples */
 	Size		spaceAllowed;	/* upper limit for space used */
diff --git a/src/include/executor/nodeHash.h b/src/include/executor/nodeHash.h
index 1309b32b90..1233766023 100644
--- a/src/include/executor/nodeHash.h
+++ b/src/include/executor/nodeHash.h
@@ -24,7 +24,7 @@ extern Node *MultiExecHash(HashState *node);
 extern void ExecEndHash(HashState *node);
 extern void ExecReScanHash(HashState *node);
 
-extern HashJoinTable ExecHashTableCreate(HashState *state, List *hashOperators,
+extern HashJoinTable ExecHashTableCreate(HashState *state, List *hashOperators, List *hashCollations,
 					bool keepNulls);
 extern void ExecParallelHashTableAlloc(HashJoinTable hashtable,
 						   int batchno);