Include ifdefs for pg12 API changes, update local_shard_executiuon test to avoid CTE inlining

src/backend/distributed/commands/function.c

@@ -19,6 +19,9 @@
 #include "miscadmin.h"
 #include "funcapi.h"
 
+#if PG_VERSION_NUM >= 120000
+#include "access/genam.h"
+#endif
 #include "access/htup_details.h"
 #include "access/xact.h"
 #include "catalog/namespace.h"

src/backend/distributed/planner/distributed_planner.c

@@ -1176,7 +1176,11 @@ BlessRecordExpression(Expr *expr)
 		ListCell *argCell = NULL;
 		int currentResno = 1;
 
+#if PG_VERSION_NUM >= 120000
+		rowTupleDesc = CreateTemplateTupleDesc(list_length(rowExpr->args));
+#else
 		rowTupleDesc = CreateTemplateTupleDesc(list_length(rowExpr->args), false);
+#endif
 
 		foreach(argCell, rowExpr->args)
 		{

src/test/regress/expected/local_shard_execution.out

@@ -705,7 +705,7 @@ SELECT
 FROM 
 	distributed_table, all_data 
 WHERE 
-	distributed_table.key = all_data.key AND distributed_table.key = 1;
+	distributed_table.key = all_data.key AND distributed_table.key = 1 AND EXISTS (SELECT * FROM all_data);
  count 
 -------
      1

src/test/regress/expected/local_shard_execution_0.out

@@ -691,7 +691,7 @@ SELECT
 FROM 
 	distributed_table, all_data 
 WHERE 
-	distributed_table.key = all_data.key AND distributed_table.key = 1;
+	distributed_table.key = all_data.key AND distributed_table.key = 1 AND EXISTS (SELECT * FROM all_data);
  count 
 -------
      1

src/test/regress/sql/local_shard_execution.sql

@@ -425,7 +425,7 @@ SELECT
 FROM 
 	distributed_table, all_data 
 WHERE 
-	distributed_table.key = all_data.key AND distributed_table.key = 1;
+	distributed_table.key = all_data.key AND distributed_table.key = 1 AND EXISTS (SELECT * FROM all_data);
 
 
 -- get ready for the next commands