diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c
index 48c2f23ae0..5df4a653c5 100644
--- a/contrib/postgres_fdw/postgres_fdw.c
+++ b/contrib/postgres_fdw/postgres_fdw.c
@@ -46,6 +46,9 @@
 #include "utils/sampling.h"
 #include "utils/selfuncs.h"
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define make_restrictinfo(a,b,c,d,e,f,g,h,i) make_restrictinfo_new(a,b,c,d,e,f,g,h,i)
+
 PG_MODULE_MAGIC;
 
 /* Default CPU cost to start up a foreign query. */
diff --git a/src/backend/optimizer/path/clausesel.c b/src/backend/optimizer/path/clausesel.c
index d263ecf082..8475594b00 100644
--- a/src/backend/optimizer/path/clausesel.c
+++ b/src/backend/optimizer/path/clausesel.c
@@ -26,6 +26,9 @@
 #include "utils/lsyscache.h"
 #include "utils/selfuncs.h"
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define NumRelids(a,b) NumRelids_new(a,b)
+
 /*
  * Data structure for accumulating info about possible range-query
  * clause pairs in clauselist_selectivity.
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c
index aab06c7d21..21794c2dc7 100644
--- a/src/backend/optimizer/path/costsize.c
+++ b/src/backend/optimizer/path/costsize.c
@@ -98,6 +98,9 @@
 #include "utils/tuplesort.h"
 
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+
 #define LOG2(x)  (log(x) / 0.693147180559945)
 
 /*
diff --git a/src/backend/optimizer/path/equivclass.c b/src/backend/optimizer/path/equivclass.c
index 0188c1e9a1..8dbba455b1 100644
--- a/src/backend/optimizer/path/equivclass.c
+++ b/src/backend/optimizer/path/equivclass.c
@@ -32,6 +32,10 @@
 #include "utils/lsyscache.h"
 
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+#define make_restrictinfo(a,b,c,d,e,f,g,h,i) make_restrictinfo_new(a,b,c,d,e,f,g,h,i)
+
 static EquivalenceMember *add_eq_member(EquivalenceClass *ec,
 										Expr *expr, Relids relids, Relids nullable_relids,
 										bool is_child, Oid datatype);
diff --git a/src/backend/optimizer/path/indxpath.c b/src/backend/optimizer/path/indxpath.c
index ff536e6b24..3a9f63511f 100644
--- a/src/backend/optimizer/path/indxpath.c
+++ b/src/backend/optimizer/path/indxpath.c
@@ -36,6 +36,12 @@
 #include "utils/selfuncs.h"
 
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+#undef make_simple_restrictinfo
+#define make_simple_restrictinfo(root, clause)  \
+	make_restrictinfo_new(root, clause, true, false, false, 0, NULL, NULL, NULL)
+
 /* XXX see PartCollMatchesExprColl */
 #define IndexCollMatchesExprColl(idxcollation, exprcollation) \
 	((idxcollation) == InvalidOid || (idxcollation) == (exprcollation))
@@ -3814,7 +3820,13 @@ match_index_to_operand(Node *operand,
  * index: the index of interest
  */
 bool
-is_pseudo_constant_for_index(PlannerInfo *root, Node *expr, IndexOptInfo *index)
+is_pseudo_constant_for_index(Node *expr, IndexOptInfo *index)
+{
+	return is_pseudo_constant_for_index_new(NULL, expr, index);
+}
+
+bool
+is_pseudo_constant_for_index_new(PlannerInfo *root, Node *expr, IndexOptInfo *index)
 {
 	/* pull_varnos is cheaper than volatility check, so do that first */
 	if (bms_is_member(index->rel->relid, pull_varnos(root, expr)))
diff --git a/src/backend/optimizer/path/tidpath.c b/src/backend/optimizer/path/tidpath.c
index 0845b460e2..320aa3fe9a 100644
--- a/src/backend/optimizer/path/tidpath.c
+++ b/src/backend/optimizer/path/tidpath.c
@@ -45,6 +45,9 @@
 #include "optimizer/paths.h"
 #include "optimizer/restrictinfo.h"
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+
 
 /*
  * Does this Var represent the CTID column of the specified baserel?
diff --git a/src/backend/optimizer/plan/analyzejoins.c b/src/backend/optimizer/plan/analyzejoins.c
index 37eb64bcef..4a52b3e7d6 100644
--- a/src/backend/optimizer/plan/analyzejoins.c
+++ b/src/backend/optimizer/plan/analyzejoins.c
@@ -32,6 +32,9 @@
 #include "optimizer/tlist.h"
 #include "utils/lsyscache.h"
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+
 /* local functions */
 static bool join_is_removable(PlannerInfo *root, SpecialJoinInfo *sjinfo);
 static void remove_rel_from_query(PlannerInfo *root, int relid,
diff --git a/src/backend/optimizer/plan/initsplan.c b/src/backend/optimizer/plan/initsplan.c
index 02f813cebd..f848163731 100644
--- a/src/backend/optimizer/plan/initsplan.c
+++ b/src/backend/optimizer/plan/initsplan.c
@@ -34,6 +34,10 @@
 #include "rewrite/rewriteManip.h"
 #include "utils/lsyscache.h"
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+#define make_restrictinfo(a,b,c,d,e,f,g,h,i) make_restrictinfo_new(a,b,c,d,e,f,g,h,i)
+
 /* These parameters are set by GUC */
 int			from_collapse_limit;
 int			join_collapse_limit;
diff --git a/src/backend/optimizer/plan/subselect.c b/src/backend/optimizer/plan/subselect.c
index 54ef61bfb3..c60743cc4b 100644
--- a/src/backend/optimizer/plan/subselect.c
+++ b/src/backend/optimizer/plan/subselect.c
@@ -39,6 +39,9 @@
 #include "utils/syscache.h"
 
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+
 typedef struct convert_testexpr_context
 {
 	PlannerInfo *root;
diff --git a/src/backend/optimizer/prep/prepjointree.c b/src/backend/optimizer/prep/prepjointree.c
index d961592e01..61291255f5 100644
--- a/src/backend/optimizer/prep/prepjointree.c
+++ b/src/backend/optimizer/prep/prepjointree.c
@@ -40,6 +40,10 @@
 #include "rewrite/rewriteManip.h"
 
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+#define pull_varnos_of_level(a,b,c) pull_varnos_of_level_new(a,b,c)
+
 typedef struct pullup_replace_vars_context
 {
 	PlannerInfo *root;
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c
index d2470b7c6a..4dedb9c5d7 100644
--- a/src/backend/optimizer/util/clauses.c
+++ b/src/backend/optimizer/util/clauses.c
@@ -54,6 +54,9 @@
 #include "utils/syscache.h"
 #include "utils/typcache.h"
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+
 typedef struct
 {
 	ParamListInfo boundParams;
@@ -1897,7 +1900,13 @@ is_pseudo_constant_clause_relids(Node *clause, Relids relids)
  * Returns the number of different relations referenced in 'clause'.
  */
 int
-NumRelids(PlannerInfo *root, Node *clause)
+NumRelids(Node *clause)
+{
+	return NumRelids_new(NULL, clause);
+}
+
+int
+NumRelids_new(PlannerInfo *root, Node *clause)
 {
 	Relids		varnos = pull_varnos(root, clause);
 	int			result = bms_num_members(varnos);
diff --git a/src/backend/optimizer/util/inherit.c b/src/backend/optimizer/util/inherit.c
index be1c9ddd96..3e46b50ff0 100644
--- a/src/backend/optimizer/util/inherit.c
+++ b/src/backend/optimizer/util/inherit.c
@@ -35,6 +35,9 @@
 #include "utils/rel.h"
 
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define make_restrictinfo(a,b,c,d,e,f,g,h,i) make_restrictinfo_new(a,b,c,d,e,f,g,h,i)
+
 static void expand_partitioned_rtentry(PlannerInfo *root, RelOptInfo *relinfo,
 									   RangeTblEntry *parentrte,
 									   Index parentRTindex, Relation parentrel,
diff --git a/src/backend/optimizer/util/orclauses.c b/src/backend/optimizer/util/orclauses.c
index d559f33826..36a522895e 100644
--- a/src/backend/optimizer/util/orclauses.c
+++ b/src/backend/optimizer/util/orclauses.c
@@ -24,6 +24,9 @@
 #include "optimizer/restrictinfo.h"
 
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define make_restrictinfo(a,b,c,d,e,f,g,h,i) make_restrictinfo_new(a,b,c,d,e,f,g,h,i)
+
 static bool is_safe_restriction_clause_for(RestrictInfo *rinfo, RelOptInfo *rel);
 static Expr *extract_or_clause(RestrictInfo *or_rinfo, RelOptInfo *rel);
 static void consider_new_or_clause(PlannerInfo *root, RelOptInfo *rel,
diff --git a/src/backend/optimizer/util/placeholder.c b/src/backend/optimizer/util/placeholder.c
index 1c4202d864..210089c94f 100644
--- a/src/backend/optimizer/util/placeholder.c
+++ b/src/backend/optimizer/util/placeholder.c
@@ -23,6 +23,9 @@
 #include "optimizer/planmain.h"
 #include "utils/lsyscache.h"
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+
 /* Local functions */
 static void find_placeholders_recurse(PlannerInfo *root, Node *jtnode);
 static void find_placeholders_in_expr(PlannerInfo *root, Node *expr);
diff --git a/src/backend/optimizer/util/restrictinfo.c b/src/backend/optimizer/util/restrictinfo.c
index eb113d94c1..8599e3f354 100644
--- a/src/backend/optimizer/util/restrictinfo.c
+++ b/src/backend/optimizer/util/restrictinfo.c
@@ -21,6 +21,9 @@
 #include "optimizer/restrictinfo.h"
 
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+
 static RestrictInfo *make_restrictinfo_internal(PlannerInfo *root,
 												Expr *clause,
 												Expr *orclause,
@@ -58,8 +61,7 @@ static Expr *make_sub_restrictinfos(PlannerInfo *root,
  * later.
  */
 RestrictInfo *
-make_restrictinfo(PlannerInfo *root,
-				  Expr *clause,
+make_restrictinfo(Expr *clause,
 				  bool is_pushed_down,
 				  bool outerjoin_delayed,
 				  bool pseudoconstant,
@@ -67,6 +69,28 @@ make_restrictinfo(PlannerInfo *root,
 				  Relids required_relids,
 				  Relids outer_relids,
 				  Relids nullable_relids)
+{
+	return make_restrictinfo_new(NULL,
+								 clause,
+								 is_pushed_down,
+								 outerjoin_delayed,
+								 pseudoconstant,
+								 security_level,
+								 required_relids,
+								 outer_relids,
+								 nullable_relids);
+}
+
+RestrictInfo *
+make_restrictinfo_new(PlannerInfo *root,
+					  Expr *clause,
+					  bool is_pushed_down,
+					  bool outerjoin_delayed,
+					  bool pseudoconstant,
+					  Index security_level,
+					  Relids required_relids,
+					  Relids outer_relids,
+					  Relids nullable_relids)
 {
 	/*
 	 * If it's an OR clause, build a modified copy with RestrictInfos inserted
diff --git a/src/backend/optimizer/util/var.c b/src/backend/optimizer/util/var.c
index e307d6fbb0..76b26e85cd 100644
--- a/src/backend/optimizer/util/var.c
+++ b/src/backend/optimizer/util/var.c
@@ -94,7 +94,13 @@ static Relids alias_relid_set(Query *query, Relids relids);
  * SubPlan, we only need to look at the parameters passed to the subplan.
  */
 Relids
-pull_varnos(PlannerInfo *root, Node *node)
+pull_varnos(Node *node)
+{
+	return pull_varnos_new(NULL, node);
+}
+
+Relids
+pull_varnos_new(PlannerInfo *root, Node *node)
 {
 	pull_varnos_context context;
 
@@ -120,7 +126,13 @@ pull_varnos(PlannerInfo *root, Node *node)
  *		Only Vars of the specified level are considered.
  */
 Relids
-pull_varnos_of_level(PlannerInfo *root, Node *node, int levelsup)
+pull_varnos_of_level(Node *node, int levelsup)
+{
+	return pull_varnos_of_level_new(NULL, node, levelsup);
+}
+
+Relids
+pull_varnos_of_level_new(PlannerInfo *root, Node *node, int levelsup)
 {
 	pull_varnos_context context;
 
@@ -191,7 +203,7 @@ pull_varnos_walker(Node *node, pull_varnos_context *context)
 			 */
 			PlaceHolderInfo *phinfo = NULL;
 
-			if (phv->phlevelsup == 0)
+			if (phv->phlevelsup == 0 && context->root)
 			{
 				ListCell   *lc;
 
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c
index 47ca4ddbb5..e996e806d7 100644
--- a/src/backend/utils/adt/selfuncs.c
+++ b/src/backend/utils/adt/selfuncs.c
@@ -140,6 +140,10 @@
 #include "utils/typcache.h"
 
 
+/* source-code-compatibility hacks for pull_varnos() API change */
+#define pull_varnos(a,b) pull_varnos_new(a,b)
+#define NumRelids(a,b) NumRelids_new(a,b)
+
 /* Hooks for plugins to get control when we ask for stats */
 get_relation_stats_hook_type get_relation_stats_hook = NULL;
 get_index_stats_hook_type get_index_stats_hook = NULL;
diff --git a/src/include/optimizer/clauses.h b/src/include/optimizer/clauses.h
index 0673887a85..433b3ab3f8 100644
--- a/src/include/optimizer/clauses.h
+++ b/src/include/optimizer/clauses.h
@@ -46,7 +46,8 @@ extern Var *find_forced_null_var(Node *clause);
 extern bool is_pseudo_constant_clause(Node *clause);
 extern bool is_pseudo_constant_clause_relids(Node *clause, Relids relids);
 
-extern int	NumRelids(PlannerInfo *root, Node *clause);
+extern int	NumRelids(Node *clause);
+extern int	NumRelids_new(PlannerInfo *root, Node *clause);
 
 extern void CommuteOpExpr(OpExpr *clause);
 
diff --git a/src/include/optimizer/optimizer.h b/src/include/optimizer/optimizer.h
index d587952b7d..f63a69f1f8 100644
--- a/src/include/optimizer/optimizer.h
+++ b/src/include/optimizer/optimizer.h
@@ -97,8 +97,9 @@ extern double clamp_row_est(double nrows);
 
 /* in path/indxpath.c: */
 
-extern bool is_pseudo_constant_for_index(PlannerInfo *root, Node *expr,
-										 IndexOptInfo *index);
+extern bool is_pseudo_constant_for_index(Node *expr, IndexOptInfo *index);
+extern bool is_pseudo_constant_for_index_new(PlannerInfo *root, Node *expr,
+											 IndexOptInfo *index);
 
 /* in plan/planner.c: */
 
@@ -189,8 +190,10 @@ extern SortGroupClause *get_sortgroupref_clause_noerr(Index sortref,
 #define PVC_RECURSE_PLACEHOLDERS	0x0020	/* recurse into PlaceHolderVar
 											 * arguments */
 
-extern Bitmapset *pull_varnos(PlannerInfo *root, Node *node);
-extern Bitmapset *pull_varnos_of_level(PlannerInfo *root, Node *node, int levelsup);
+extern Bitmapset *pull_varnos(Node *node);
+extern Bitmapset *pull_varnos_of_level(Node *node, int levelsup);
+extern Bitmapset *pull_varnos_new(PlannerInfo *root, Node *node);
+extern Bitmapset *pull_varnos_of_level_new(PlannerInfo *root, Node *node, int levelsup);
 extern void pull_varattnos(Node *node, Index varno, Bitmapset **varattnos);
 extern List *pull_vars_of_level(Node *node, int levelsup);
 extern bool contain_var_clause(Node *node);
diff --git a/src/include/optimizer/restrictinfo.h b/src/include/optimizer/restrictinfo.h
index 0165ffde37..58299d4900 100644
--- a/src/include/optimizer/restrictinfo.h
+++ b/src/include/optimizer/restrictinfo.h
@@ -18,11 +18,10 @@
 
 
 /* Convenience macro for the common case of a valid-everywhere qual */
-#define make_simple_restrictinfo(root, clause)  \
-	make_restrictinfo(root, clause, true, false, false, 0, NULL, NULL, NULL)
+#define make_simple_restrictinfo(clause)  \
+	make_restrictinfo(clause, true, false, false, 0, NULL, NULL, NULL)
 
-extern RestrictInfo *make_restrictinfo(PlannerInfo *root,
-									   Expr *clause,
+extern RestrictInfo *make_restrictinfo(Expr *clause,
 									   bool is_pushed_down,
 									   bool outerjoin_delayed,
 									   bool pseudoconstant,
@@ -30,6 +29,15 @@ extern RestrictInfo *make_restrictinfo(PlannerInfo *root,
 									   Relids required_relids,
 									   Relids outer_relids,
 									   Relids nullable_relids);
+extern RestrictInfo *make_restrictinfo_new(PlannerInfo *root,
+										   Expr *clause,
+										   bool is_pushed_down,
+										   bool outerjoin_delayed,
+										   bool pseudoconstant,
+										   Index security_level,
+										   Relids required_relids,
+										   Relids outer_relids,
+										   Relids nullable_relids);
 extern RestrictInfo *commute_restrictinfo(RestrictInfo *rinfo, Oid comm_op);
 extern bool restriction_is_or_clause(RestrictInfo *restrictinfo);
 extern bool restriction_is_securely_promotable(RestrictInfo *restrictinfo,