diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c
index 4fbbde13bc523cdac58ec3b170e32ce1f6775606..ee0220a7f7059660471e64de5542c82c93b00311 100644
--- a/contrib/postgres_fdw/postgres_fdw.c
+++ b/contrib/postgres_fdw/postgres_fdw.c
@@ -317,9 +317,9 @@ static void postgresEndForeignModify(EState *estate,
 						 ResultRelInfo *resultRelInfo);
 static int	postgresIsForeignRelUpdatable(Relation rel);
 static bool postgresPlanDirectModify(PlannerInfo *root,
-									 ModifyTable *plan,
-									 Index resultRelation,
-									 int subplan_index);
+						 ModifyTable *plan,
+						 Index resultRelation,
+						 int subplan_index);
 static void postgresBeginDirectModify(ForeignScanState *node, int eflags);
 static TupleTableSlot *postgresIterateDirectModify(ForeignScanState *node);
 static void postgresEndDirectModify(ForeignScanState *node);
@@ -331,7 +331,7 @@ static void postgresExplainForeignModify(ModifyTableState *mtstate,
 							 int subplan_index,
 							 ExplainState *es);
 static void postgresExplainDirectModify(ForeignScanState *node,
-										ExplainState *es);
+							ExplainState *es);
 static bool postgresAnalyzeForeignTable(Relation relation,
 							AcquireSampleRowsFunc *func,
 							BlockNumber *totalpages);
@@ -2101,8 +2101,8 @@ postgresPlanDirectModify(PlannerInfo *root,
 		int			col;
 
 		/*
-		 * We transmit only columns that were explicitly targets of the UPDATE,
-		 * so as to avoid unnecessary data transmission.
+		 * We transmit only columns that were explicitly targets of the
+		 * UPDATE, so as to avoid unnecessary data transmission.
 		 */
 		col = -1;
 		while ((col = bms_next_member(rte->updatedCols, col)) >= 0)
@@ -2242,17 +2242,17 @@ postgresBeginDirectModify(ForeignScanState *node, int eflags)
 	dmstate->conn = GetConnection(user, false);
 
 	/* Initialize state variable */
-	dmstate->num_tuples = -1;		/* -1 means not set yet */
+	dmstate->num_tuples = -1;	/* -1 means not set yet */
 
 	/* Get private info created by planner functions. */
 	dmstate->query = strVal(list_nth(fsplan->fdw_private,
 									 FdwDirectModifyPrivateUpdateSql));
 	dmstate->has_returning = intVal(list_nth(fsplan->fdw_private,
-										 FdwDirectModifyPrivateHasReturning));
+										FdwDirectModifyPrivateHasReturning));
 	dmstate->retrieved_attrs = (List *) list_nth(fsplan->fdw_private,
-										FdwDirectModifyPrivateRetrievedAttrs);
+									   FdwDirectModifyPrivateRetrievedAttrs);
 	dmstate->set_processed = intVal(list_nth(fsplan->fdw_private,
-										 FdwDirectModifyPrivateSetProcessed));
+										FdwDirectModifyPrivateSetProcessed));
 
 	/* Create context for per-tuple temp workspace. */
 	dmstate->temp_cxt = AllocSetContextCreate(estate->es_query_cxt,
@@ -3911,10 +3911,10 @@ foreign_join_ok(PlannerInfo *root, RelOptInfo *joinrel, JoinType jointype,
 	List	   *otherclauses;
 
 	/*
-	 * Core code may call GetForeignJoinPaths hook even when the join
-	 * relation doesn't have a valid user mapping associated with it. See
-	 * build_join_rel() for details. We can't push down such join, since
-	 * there doesn't exist a user mapping which can be used to connect to the
+	 * Core code may call GetForeignJoinPaths hook even when the join relation
+	 * doesn't have a valid user mapping associated with it. See
+	 * build_join_rel() for details. We can't push down such join, since there
+	 * doesn't exist a user mapping which can be used to connect to the
 	 * foreign server.
 	 */
 	if (!OidIsValid(joinrel->umid))
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c
index 09c230468bbced3ee108161d01fd990630466f82..713cd0e3da8abbc1442c5357e76ee0fde8a1b499 100644
--- a/src/backend/commands/explain.c
+++ b/src/backend/commands/explain.c
@@ -574,7 +574,7 @@ void
 ExplainPrintPlan(ExplainState *es, QueryDesc *queryDesc)
 {
 	Bitmapset  *rels_used = NULL;
-	PlanState *ps;
+	PlanState  *ps;
 
 	Assert(queryDesc->plannedstmt != NULL);
 	es->pstmt = queryDesc->plannedstmt;
@@ -1333,7 +1333,7 @@ ExplainNode(PlanState *planstate, List *ancestors,
 			break;
 		case T_Gather:
 			{
-				Gather *gather = (Gather *) plan;
+				Gather	   *gather = (Gather *) plan;
 
 				show_scan_qual(plan->qual, "Filter", planstate, ancestors, es);
 				if (plan->qual)
@@ -1343,7 +1343,7 @@ ExplainNode(PlanState *planstate, List *ancestors,
 									   gather->num_workers, es);
 				if (gather->single_copy)
 					ExplainPropertyText("Single Copy",
-										gather->single_copy ? "true" : "false",
+									  gather->single_copy ? "true" : "false",
 										es);
 			}
 			break;
@@ -1514,8 +1514,8 @@ ExplainNode(PlanState *planstate, List *ancestors,
 				appendStringInfo(es->str, "Worker %d: ", n);
 				if (es->timing)
 					appendStringInfo(es->str,
-							"actual time=%.3f..%.3f rows=%.0f loops=%.0f\n",
-								 startup_sec, total_sec, rows, nloops);
+							 "actual time=%.3f..%.3f rows=%.0f loops=%.0f\n",
+									 startup_sec, total_sec, rows, nloops);
 				else
 					appendStringInfo(es->str,
 									 "actual rows=%.0f loops=%.0f\n",
@@ -1671,6 +1671,7 @@ show_plan_tlist(PlanState *planstate, List *ancestors, ExplainState *es)
 		return;
 	if (IsA(plan, RecursiveUnion))
 		return;
+
 	/*
 	 * Likewise for ForeignScan that executes a direct INSERT/UPDATE/DELETE
 	 *
@@ -2329,7 +2330,7 @@ show_buffer_usage(ExplainState *es, const BufferUsage *usage)
 		bool		has_temp = (usage->temp_blks_read > 0 ||
 								usage->temp_blks_written > 0);
 		bool		has_timing = (!INSTR_TIME_IS_ZERO(usage->blk_read_time) ||
-								 !INSTR_TIME_IS_ZERO(usage->blk_write_time));
+								  !INSTR_TIME_IS_ZERO(usage->blk_write_time));
 
 		/* Show only positive counter values. */
 		if (has_shared || has_local || has_temp)
@@ -2393,10 +2394,10 @@ show_buffer_usage(ExplainState *es, const BufferUsage *usage)
 			appendStringInfoString(es->str, "I/O Timings:");
 			if (!INSTR_TIME_IS_ZERO(usage->blk_read_time))
 				appendStringInfo(es->str, " read=%0.3f",
-						  INSTR_TIME_GET_MILLISEC(usage->blk_read_time));
+							  INSTR_TIME_GET_MILLISEC(usage->blk_read_time));
 			if (!INSTR_TIME_IS_ZERO(usage->blk_write_time))
 				appendStringInfo(es->str, " write=%0.3f",
-						 INSTR_TIME_GET_MILLISEC(usage->blk_write_time));
+							 INSTR_TIME_GET_MILLISEC(usage->blk_write_time));
 			appendStringInfoChar(es->str, '\n');
 		}
 	}
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 1e123d89cbb76a5339e6f46aaa96b1f8605c9db5..a21928bebe9c8bd9af4efc477dc5ed2f12801fc2 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -4203,7 +4203,7 @@ _copyList(const List *from)
 static ExtensibleNode *
 _copyExtensibleNode(const ExtensibleNode *from)
 {
-	ExtensibleNode	   *newnode;
+	ExtensibleNode *newnode;
 	const ExtensibleNodeMethods *methods;
 
 	methods = GetExtensibleNodeMethods(from->extnodename, false);
diff --git a/src/backend/nodes/equalfuncs.c b/src/backend/nodes/equalfuncs.c
index 6c0509602cd44d20dc28383450ba61a022a7e7dd..3c6c5679b16b17c4794d8b9675122bbb2f267488 100644
--- a/src/backend/nodes/equalfuncs.c
+++ b/src/backend/nodes/equalfuncs.c
@@ -879,7 +879,7 @@ _equalPlaceHolderInfo(const PlaceHolderInfo *a, const PlaceHolderInfo *b)
 static bool
 _equalExtensibleNode(const ExtensibleNode *a, const ExtensibleNode *b)
 {
-	const ExtensibleNodeMethods  *methods;
+	const ExtensibleNodeMethods *methods;
 
 	COMPARE_STRING_FIELD(extnodename);
 
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c
index bfd12ac291ad2110f0cb90d23809ec07fe23e1d1..e39c374f48c621cc7088e4d2dd1130b7c4dbef3a 100644
--- a/src/backend/nodes/outfuncs.c
+++ b/src/backend/nodes/outfuncs.c
@@ -2332,7 +2332,7 @@ _outPlannerParamItem(StringInfo str, const PlannerParamItem *node)
 static void
 _outExtensibleNode(StringInfo str, const ExtensibleNode *node)
 {
-	const ExtensibleNodeMethods  *methods;
+	const ExtensibleNodeMethods *methods;
 
 	methods = GetExtensibleNodeMethods(node->extnodename, false);
 
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c
index b39575127413e3dbb09bdc57dc0c2338d2f1c758..70a4c276e4735c19b3068f44104429c689a9f7d6 100644
--- a/src/backend/optimizer/path/costsize.c
+++ b/src/backend/optimizer/path/costsize.c
@@ -47,7 +47,7 @@
  * plan nodes below the LIMIT node) are set without regard to any LIMIT, so
  * that this equation works properly.  (Note: while path->rows is never zero
  * for ordinary relations, it is zero for paths for provably-empty relations,
- * so beware of division-by-zero.)  The LIMIT is applied as a top-level
+ * so beware of division-by-zero.)	The LIMIT is applied as a top-level
  * plan node.
  *
  * For largely historical reasons, most of the routines in this module use
@@ -231,8 +231,8 @@ cost_seqscan(Path *path, PlannerInfo *root,
 	/* Adjust costing for parallelism, if used. */
 	if (path->parallel_degree > 0)
 	{
-		double	parallel_divisor = path->parallel_degree;
-		double	leader_contribution;
+		double		parallel_divisor = path->parallel_degree;
+		double		leader_contribution;
 
 		/*
 		 * Early experience with parallel query suggests that when there is
diff --git a/src/backend/optimizer/path/joinpath.c b/src/backend/optimizer/path/joinpath.c
index f3aced3c93145e59f439b7e25064a509341e97ce..41b60d01d37f4e4c1157a6e3551025f796f8eb14 100644
--- a/src/backend/optimizer/path/joinpath.c
+++ b/src/backend/optimizer/path/joinpath.c
@@ -348,12 +348,12 @@ try_nestloop_path(PlannerInfo *root,
  */
 static void
 try_partial_nestloop_path(PlannerInfo *root,
-				  RelOptInfo *joinrel,
-				  Path *outer_path,
-				  Path *inner_path,
-				  List *pathkeys,
-				  JoinType jointype,
-				  JoinPathExtraData *extra)
+						  RelOptInfo *joinrel,
+						  Path *outer_path,
+						  Path *inner_path,
+						  List *pathkeys,
+						  JoinType jointype,
+						  JoinPathExtraData *extra)
 {
 	JoinCostWorkspace workspace;
 
@@ -373,8 +373,8 @@ try_partial_nestloop_path(PlannerInfo *root,
 	}
 
 	/*
-	 * Before creating a path, get a quick lower bound on what it is likely
-	 * to cost.  Bail out right away if it looks terrible.
+	 * Before creating a path, get a quick lower bound on what it is likely to
+	 * cost.  Bail out right away if it looks terrible.
 	 */
 	initial_cost_nestloop(root, &workspace, jointype,
 						  outer_path, inner_path,
@@ -384,17 +384,17 @@ try_partial_nestloop_path(PlannerInfo *root,
 
 	/* Might be good enough to be worth trying, so let's try it. */
 	add_partial_path(joinrel, (Path *)
-			 create_nestloop_path(root,
-								  joinrel,
-								  jointype,
-								  &workspace,
-								  extra->sjinfo,
-								  &extra->semifactors,
-								  outer_path,
-								  inner_path,
-								  extra->restrictlist,
-								  pathkeys,
-								  NULL));
+					 create_nestloop_path(root,
+										  joinrel,
+										  jointype,
+										  &workspace,
+										  extra->sjinfo,
+										  &extra->semifactors,
+										  outer_path,
+										  inner_path,
+										  extra->restrictlist,
+										  pathkeys,
+										  NULL));
 }
 
 /*
@@ -571,8 +571,8 @@ try_partial_hashjoin_path(PlannerInfo *root,
 	}
 
 	/*
-	 * Before creating a path, get a quick lower bound on what it is likely
-	 * to cost.  Bail out right away if it looks terrible.
+	 * Before creating a path, get a quick lower bound on what it is likely to
+	 * cost.  Bail out right away if it looks terrible.
 	 */
 	initial_cost_hashjoin(root, &workspace, jointype, hashclauses,
 						  outer_path, inner_path,
@@ -582,17 +582,17 @@ try_partial_hashjoin_path(PlannerInfo *root,
 
 	/* Might be good enough to be worth trying, so let's try it. */
 	add_partial_path(joinrel, (Path *)
-			 create_hashjoin_path(root,
-								  joinrel,
-								  jointype,
-								  &workspace,
-								  extra->sjinfo,
-								  &extra->semifactors,
-								  outer_path,
-								  inner_path,
-								  extra->restrictlist,
-								  NULL,
-								  hashclauses));
+					 create_hashjoin_path(root,
+										  joinrel,
+										  jointype,
+										  &workspace,
+										  extra->sjinfo,
+										  &extra->semifactors,
+										  outer_path,
+										  inner_path,
+										  extra->restrictlist,
+										  NULL,
+										  hashclauses));
 }
 
 /*
@@ -1189,11 +1189,11 @@ match_unsorted_outer(PlannerInfo *root,
 	}
 
 	/*
-	 * If the joinrel is parallel-safe and the join type supports nested loops,
-	 * we may be able to consider a partial nestloop plan.  However, we can't
-	 * handle JOIN_UNIQUE_OUTER, because the outer path will be partial, and
-	 * therefore we won't be able to properly guarantee uniqueness.  Nor can
-	 * we handle extra_lateral_rels, since partial paths must not be
+	 * If the joinrel is parallel-safe and the join type supports nested
+	 * loops, we may be able to consider a partial nestloop plan.  However, we
+	 * can't handle JOIN_UNIQUE_OUTER, because the outer path will be partial,
+	 * and therefore we won't be able to properly guarantee uniqueness.  Nor
+	 * can we handle extra_lateral_rels, since partial paths must not be
 	 * parameterized.
 	 */
 	if (joinrel->consider_parallel && nestjoinOK &&
@@ -1235,10 +1235,10 @@ consider_parallel_nestloop(PlannerInfo *root,
 									   outerpath->pathkeys);
 
 		/*
-		 * Try the cheapest parameterized paths; only those which will
-		 * produce an unparameterized path when joined to this outerrel
-		 * will survive try_partial_nestloop_path.  The cheapest
-		 * unparameterized path is also in this list.
+		 * Try the cheapest parameterized paths; only those which will produce
+		 * an unparameterized path when joined to this outerrel will survive
+		 * try_partial_nestloop_path.  The cheapest unparameterized path is
+		 * also in this list.
 		 */
 		foreach(lc2, innerrel->cheapest_parameterized_paths)
 		{
@@ -1250,16 +1250,17 @@ consider_parallel_nestloop(PlannerInfo *root,
 
 			/*
 			 * Like match_unsorted_outer, we only consider a single nestloop
-			 * path when the jointype is JOIN_UNIQUE_INNER.  But we have to scan
-			 * cheapest_parameterized_paths to find the one we want to consider,
-			 * because cheapest_total_path might not be parallel-safe.
+			 * path when the jointype is JOIN_UNIQUE_INNER.  But we have to
+			 * scan cheapest_parameterized_paths to find the one we want to
+			 * consider, because cheapest_total_path might not be
+			 * parallel-safe.
 			 */
 			if (jointype == JOIN_UNIQUE_INNER)
 			{
 				if (!bms_is_empty(PATH_REQ_OUTER(innerpath)))
 					continue;
 				innerpath = (Path *) create_unique_path(root, innerrel,
-											   innerpath, extra->sjinfo);
+												   innerpath, extra->sjinfo);
 				Assert(innerpath);
 			}
 
@@ -1456,8 +1457,8 @@ hash_inner_and_outer(PlannerInfo *root,
 			outerrel->partial_pathlist != NIL &&
 			bms_is_empty(joinrel->lateral_relids))
 		{
-			Path   *cheapest_partial_outer;
-			Path   *cheapest_safe_inner = NULL;
+			Path	   *cheapest_partial_outer;
+			Path	   *cheapest_safe_inner = NULL;
 
 			cheapest_partial_outer =
 				(Path *) linitial(outerrel->partial_pathlist);
diff --git a/src/backend/optimizer/plan/planmain.c b/src/backend/optimizer/plan/planmain.c
index 88d7ea45479b9f4428bd773cb3210d4765a72579..edd95d8de132f3d80f0cd6ba1576d787fc071bd9 100644
--- a/src/backend/optimizer/plan/planmain.c
+++ b/src/backend/optimizer/plan/planmain.c
@@ -70,10 +70,10 @@ query_planner(PlannerInfo *root, List *tlist,
 		final_rel = build_empty_join_rel(root);
 
 		/*
-		 * If query allows parallelism in general, check whether the quals
-		 * are parallel-restricted.  There's currently no real benefit to
-		 * setting this flag correctly because we can't yet reference subplans
-		 * from parallel workers.  But that might change someday, so set this
+		 * If query allows parallelism in general, check whether the quals are
+		 * parallel-restricted.  There's currently no real benefit to setting
+		 * this flag correctly because we can't yet reference subplans from
+		 * parallel workers.  But that might change someday, so set this
 		 * correctly anyway.
 		 */
 		if (root->glob->parallelModeOK)
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c
index dd2b9ed9f08bc639d1f51f4b1908b32c5e9d8b82..5537c147ad90bbc6450d8def6633e361a02c1995 100644
--- a/src/backend/optimizer/plan/setrefs.c
+++ b/src/backend/optimizer/plan/setrefs.c
@@ -105,7 +105,7 @@ static bool fix_scan_expr_walker(Node *node, fix_scan_expr_context *context);
 static void set_join_references(PlannerInfo *root, Join *join, int rtoffset);
 static void set_upper_references(PlannerInfo *root, Plan *plan, int rtoffset);
 static void set_combineagg_references(PlannerInfo *root, Plan *plan,
-									  int rtoffset);
+						  int rtoffset);
 static void set_dummy_tlist_references(Plan *plan, int rtoffset);
 static indexed_tlist *build_tlist_index(List *tlist);
 static Var *search_indexed_tlist_for_var(Var *var,
@@ -120,7 +120,7 @@ static Var *search_indexed_tlist_for_sortgroupref(Node *node,
 									  indexed_tlist *itlist,
 									  Index newvarno);
 static Var *search_indexed_tlist_for_partial_aggref(Aggref *aggref,
-					   indexed_tlist *itlist, Index newvarno);
+									  indexed_tlist *itlist, Index newvarno);
 static List *fix_join_expr(PlannerInfo *root,
 			  List *clauses,
 			  indexed_tlist *outer_itlist,
@@ -136,12 +136,12 @@ static Node *fix_upper_expr(PlannerInfo *root,
 static Node *fix_upper_expr_mutator(Node *node,
 					   fix_upper_expr_context *context);
 static Node *fix_combine_agg_expr(PlannerInfo *root,
-								  Node *node,
-								  indexed_tlist *subplan_itlist,
-								  Index newvarno,
-								  int rtoffset);
+					 Node *node,
+					 indexed_tlist *subplan_itlist,
+					 Index newvarno,
+					 int rtoffset);
 static Node *fix_combine_agg_expr_mutator(Node *node,
-										  fix_upper_expr_context *context);
+							 fix_upper_expr_context *context);
 static List *set_returning_clause_references(PlannerInfo *root,
 								List *rlist,
 								Plan *topplan,
@@ -679,7 +679,7 @@ set_plan_refs(PlannerInfo *root, Plan *plan, int rtoffset)
 			break;
 		case T_Agg:
 			{
-				Agg *aggplan = (Agg *) plan;
+				Agg		   *aggplan = (Agg *) plan;
 
 				if (aggplan->combineStates)
 					set_combineagg_references(root, plan, rtoffset);
@@ -2066,7 +2066,7 @@ static Var *
 search_indexed_tlist_for_partial_aggref(Aggref *aggref, indexed_tlist *itlist,
 										Index newvarno)
 {
-	ListCell *lc;
+	ListCell   *lc;
 
 	foreach(lc, itlist->tlist)
 	{
@@ -2106,7 +2106,7 @@ search_indexed_tlist_for_partial_aggref(Aggref *aggref, indexed_tlist *itlist,
 				continue;
 
 			newvar = makeVarFromTargetEntry(newvarno, tle);
-			newvar->varnoold = 0;	/* wasn't ever a plain Var */
+			newvar->varnoold = 0;		/* wasn't ever a plain Var */
 			newvar->varoattno = 0;
 
 			return newvar;
@@ -2392,10 +2392,10 @@ fix_upper_expr_mutator(Node *node, fix_upper_expr_context *context)
  */
 static Node *
 fix_combine_agg_expr(PlannerInfo *root,
-			   Node *node,
-			   indexed_tlist *subplan_itlist,
-			   Index newvarno,
-			   int rtoffset)
+					 Node *node,
+					 indexed_tlist *subplan_itlist,
+					 Index newvarno,
+					 int rtoffset)
 {
 	fix_upper_expr_context context;
 
@@ -2445,15 +2445,15 @@ fix_combine_agg_expr_mutator(Node *node, fix_upper_expr_context *context)
 		return fix_param_node(context->root, (Param *) node);
 	if (IsA(node, Aggref))
 	{
-		Aggref		   *aggref = (Aggref *) node;
+		Aggref	   *aggref = (Aggref *) node;
 
 		newvar = search_indexed_tlist_for_partial_aggref(aggref,
 													 context->subplan_itlist,
 														 context->newvarno);
 		if (newvar)
 		{
-			Aggref		   *newaggref;
-			TargetEntry	   *newtle;
+			Aggref	   *newaggref;
+			TargetEntry *newtle;
 
 			/*
 			 * Now build a new TargetEntry for the Aggref's arguments which is
diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c
index 6f24b031e44e77324e0cca2ac97112fee6c9c8a3..802eab3718ab06ea976b208365491a3695ea1407 100644
--- a/src/backend/optimizer/util/relnode.c
+++ b/src/backend/optimizer/util/relnode.c
@@ -175,8 +175,8 @@ build_simple_rel(PlannerInfo *root, int relid, RelOptKind reloptkind)
 		/*
 		 * This should match what ExecCheckRTEPerms() does.
 		 *
-		 * Note that if the plan ends up depending on the user OID in any
-		 * way - e.g. if it depends on the computed user mapping OID - we must
+		 * Note that if the plan ends up depending on the user OID in any way
+		 * - e.g. if it depends on the computed user mapping OID - we must
 		 * ensure that it gets invalidated in the case of a user OID change.
 		 * See RevalidateCachedQuery and more generally the hasForeignJoin
 		 * flags in PlannerGlobal and PlannedStmt.
@@ -185,7 +185,7 @@ build_simple_rel(PlannerInfo *root, int relid, RelOptKind reloptkind)
 		 * InvalidOid even though rel->serverid is set.  That just means there
 		 * is a server with no user mapping.
 		 */
-		Oid		userid;
+		Oid			userid;
 
 		userid = OidIsValid(rte->checkAsUser) ? rte->checkAsUser : GetUserId();
 		rel->umid = GetUserMappingId(userid, rel->serverid, true);
@@ -434,16 +434,16 @@ build_join_rel(PlannerInfo *root,
 
 	/*
 	 * Set up foreign-join fields if outer and inner relation are foreign
-	 * tables (or joins) belonging to the same server and using the same
-	 * user mapping.
+	 * tables (or joins) belonging to the same server and using the same user
+	 * mapping.
 	 *
 	 * Otherwise those fields are left invalid, so FDW API will not be called
 	 * for the join relation.
 	 *
 	 * For FDWs like file_fdw, which ignore user mapping, the user mapping id
 	 * associated with the joining relation may be invalid. A valid serverid
-	 * distinguishes between a pushed down join with no user mapping and
-	 * a join which can not be pushed down because of user mapping mismatch.
+	 * distinguishes between a pushed down join with no user mapping and a
+	 * join which can not be pushed down because of user mapping mismatch.
 	 */
 	if (OidIsValid(outer_rel->serverid) &&
 		inner_rel->serverid == outer_rel->serverid &&
diff --git a/src/backend/parser/parse_clause.c b/src/backend/parser/parse_clause.c
index c9edd881eef9de74963022d968f71921299a8982..751de4bddb5e7f21b903fcf23f2bd330634cd27a 100644
--- a/src/backend/parser/parse_clause.c
+++ b/src/backend/parser/parse_clause.c
@@ -1887,7 +1887,7 @@ flatten_grouping_sets(Node *expr, bool toplevel, bool *hasGroupingSets)
 					Node	   *n2 = flatten_grouping_sets(n1, false, NULL);
 
 					if (IsA(n1, GroupingSet) &&
-						((GroupingSet *)n1)->kind == GROUPING_SET_SETS)
+						((GroupingSet *) n1)->kind == GROUPING_SET_SETS)
 					{
 						result_set = list_concat(result_set, (List *) n2);
 					}
@@ -2869,7 +2869,7 @@ transformOnConflictArbiter(ParseState *pstate,
 	if (IsCatalogRelation(pstate->p_target_relation))
 		ereport(ERROR,
 				(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-			  errmsg("ON CONFLICT is not supported with system catalog tables"),
+		   errmsg("ON CONFLICT is not supported with system catalog tables"),
 				 parser_errposition(pstate,
 								  exprLocation((Node *) onConflictClause))));
 
diff --git a/src/include/nodes/nodes.h b/src/include/nodes/nodes.h
index d888b41fd986c3a9e393e6f92c9baa97e201f1cc..3f22bdb5a8a188464d83b48d1ef248b070fd394b 100644
--- a/src/include/nodes/nodes.h
+++ b/src/include/nodes/nodes.h
@@ -550,11 +550,11 @@ extern PGDLLIMPORT Node *newNodeMacroHolder;
  */
 extern char *nodeToString(const void *obj);
 
-struct Bitmapset;		/* not to include bitmapset.h here */
-struct StringInfoData;	/* not to include stringinfo.h here */
+struct Bitmapset;				/* not to include bitmapset.h here */
+struct StringInfoData;			/* not to include stringinfo.h here */
 extern void outToken(struct StringInfoData *str, const char *s);
 extern void outBitmapset(struct StringInfoData *str,
-						 const struct Bitmapset *bms);
+			 const struct Bitmapset *bms);
 
 /*
  * nodes/{readfuncs.c,read.c}
diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h
index d39c73b8b9ab78bf75f6de2b99e95ccd5641ed79..5264d3cc76ddd3de71f68c9d3c82b314143cd66c 100644
--- a/src/include/nodes/relation.h
+++ b/src/include/nodes/relation.h
@@ -126,7 +126,7 @@ typedef struct PlannerGlobal
 
 	bool		wholePlanParallelSafe;	/* is the entire plan parallel safe? */
 
-	bool		hasForeignJoin;	/* does have a pushed down foreign join */
+	bool		hasForeignJoin; /* does have a pushed down foreign join */
 } PlannerGlobal;
 
 /* macro for fetching the Plan associated with a SubPlan node */
@@ -494,7 +494,7 @@ typedef struct RelOptInfo
 	/* materialization information */
 	List	   *pathlist;		/* Path structures */
 	List	   *ppilist;		/* ParamPathInfos used in pathlist */
-	List	   *partial_pathlist;	/* partial Paths */
+	List	   *partial_pathlist;		/* partial Paths */
 	struct Path *cheapest_startup_path;
 	struct Path *cheapest_total_path;
 	struct Path *cheapest_unique_path;
@@ -524,7 +524,8 @@ typedef struct RelOptInfo
 
 	/* Information about foreign tables and foreign joins */
 	Oid			serverid;		/* identifies server for the table or join */
-	Oid			umid;			/* identifies user mapping for the table or join */
+	Oid			umid;			/* identifies user mapping for the table or
+								 * join */
 	/* use "struct FdwRoutine" to avoid including fdwapi.h here */
 	struct FdwRoutine *fdwroutine;
 	void	   *fdw_private;
@@ -848,7 +849,7 @@ typedef struct Path
 
 	bool		parallel_aware; /* engage parallel-aware logic? */
 	bool		parallel_safe;	/* OK to use as part of parallel plan? */
-	int			parallel_degree; /* desired parallel degree; 0 = not parallel */
+	int			parallel_degree;	/* desired parallel degree; 0 = not parallel */
 
 	/* estimated size/costs for path (see costsize.c for more info) */
 	double		rows;			/* estimated number of result tuples */
diff --git a/src/include/optimizer/planmain.h b/src/include/optimizer/planmain.h
index 1f96e27034c7d4d898ca3a64650d6be536e9cea9..da9c6404775cdddf647b9e4303ca77c6a0223957 100644
--- a/src/include/optimizer/planmain.h
+++ b/src/include/optimizer/planmain.h
@@ -23,12 +23,12 @@ typedef enum
 	FORCE_PARALLEL_OFF,
 	FORCE_PARALLEL_ON,
 	FORCE_PARALLEL_REGRESS
-} ForceParallelMode;
+}	ForceParallelMode;
 
 /* GUC parameters */
 #define DEFAULT_CURSOR_TUPLE_FRACTION 0.1
 extern double cursor_tuple_fraction;
-extern int force_parallel_mode;
+extern int	force_parallel_mode;
 
 /* query_planner callback to compute query_pathkeys */
 typedef void (*query_pathkeys_callback) (PlannerInfo *root, void *extra);
@@ -55,6 +55,7 @@ extern ForeignScan *make_foreignscan(List *qptlist, List *qpqual,
 extern Plan *materialize_finished_plan(Plan *subplan);
 extern bool is_projection_capable_path(Path *path);
 extern bool is_projection_capable_plan(Plan *plan);
+
 /* External use of these functions is deprecated: */
 extern Sort *make_sort_from_sortclauses(List *sortcls, Plan *lefttree);
 extern Agg *make_agg(List *tlist, List *qual, AggStrategy aggstrategy,