Merge 'remotes/PGSQL/master' into xl10devel

Merge upstream master branch upto e800656d9a9b40b2f55afabe76354ab6d93353b3.
Code compiles and regression works ok (with lots and lots of failures though).

5 files changed, 16 insertions, 41 deletions

diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index fc21909ea3..a1d056ff9f 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -2480,10 +2480,11 @@ _copyRangeTblEntry(const RangeTblEntry *from)
 	COPY_STRING_FIELD(ctename);
 	COPY_SCALAR_FIELD(ctelevelsup);
 	COPY_SCALAR_FIELD(self_reference);
-	COPY_STRING_FIELD(enrname);
 	COPY_NODE_FIELD(coltypes);
 	COPY_NODE_FIELD(coltypmods);
 	COPY_NODE_FIELD(colcollations);
+	COPY_STRING_FIELD(enrname);
+	COPY_SCALAR_FIELD(enrtuples);
 	COPY_NODE_FIELD(alias);
 	COPY_NODE_FIELD(eref);
 	COPY_SCALAR_FIELD(lateral);
diff --git a/src/backend/nodes/equalfuncs.c b/src/backend/nodes/equalfuncs.c
index c644aba4c1..14a8167b04 100644
--- a/src/backend/nodes/equalfuncs.c
+++ b/src/backend/nodes/equalfuncs.c
@@ -2664,6 +2664,8 @@ _equalRangeTblEntry(const RangeTblEntry *a, const RangeTblEntry *b)
 	COMPARE_NODE_FIELD(coltypes);
 	COMPARE_NODE_FIELD(coltypmods);
 	COMPARE_NODE_FIELD(colcollations);
+	COMPARE_STRING_FIELD(enrname);
+	COMPARE_SCALAR_FIELD(enrtuples);
 	COMPARE_NODE_FIELD(alias);
 	COMPARE_NODE_FIELD(eref);
 	COMPARE_SCALAR_FIELD(lateral);
diff --git a/src/backend/nodes/nodeFuncs.c b/src/backend/nodes/nodeFuncs.c
index eb3e1ce1c1..2496a9a43c 100644
--- a/src/backend/nodes/nodeFuncs.c
+++ b/src/backend/nodes/nodeFuncs.c
@@ -694,39 +694,11 @@ expression_returns_set_walker(Node *node, void *context)
 		/* else fall through to check args */
 	}
 
-	/* Avoid recursion for some cases that can't return a set */
+	/* Avoid recursion for some cases that parser checks not to return a set */
 	if (IsA(node, Aggref))
 		return false;
 	if (IsA(node, WindowFunc))
 		return false;
-	if (IsA(node, DistinctExpr))
-		return false;
-	if (IsA(node, NullIfExpr))
-		return false;
-	if (IsA(node, ScalarArrayOpExpr))
-		return false;
-	if (IsA(node, BoolExpr))
-		return false;
-	if (IsA(node, SubLink))
-		return false;
-	if (IsA(node, SubPlan))
-		return false;
-	if (IsA(node, AlternativeSubPlan))
-		return false;
-	if (IsA(node, ArrayExpr))
-		return false;
-	if (IsA(node, RowExpr))
-		return false;
-	if (IsA(node, RowCompareExpr))
-		return false;
-	if (IsA(node, CoalesceExpr))
-		return false;
-	if (IsA(node, MinMaxExpr))
-		return false;
-	if (IsA(node, SQLValueFunction))
-		return false;
-	if (IsA(node, XmlExpr))
-		return false;
 
 	return expression_tree_walker(node, expression_returns_set_walker,
 								  context);
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c
index be3413436a..b56b04a82f 100644
--- a/src/backend/nodes/outfuncs.c
+++ b/src/backend/nodes/outfuncs.c
@@ -4135,6 +4135,7 @@ _outRangeTblEntry(StringInfo str, const RangeTblEntry *node)
 			break;
 		case RTE_NAMEDTUPLESTORE:
 			WRITE_STRING_FIELD(enrname);
+			WRITE_FLOAT_FIELD(enrtuples, "%.0f");
 			WRITE_OID_FIELD(relid);
 			WRITE_NODE_FIELD(coltypes);
 			WRITE_NODE_FIELD(coltypmods);
@@ -4640,7 +4641,7 @@ _outPartitionElem(StringInfo str, const PartitionElem *node)
 static void
 _outPartitionSpec(StringInfo str, const PartitionSpec *node)
 {
-	WRITE_NODE_TYPE("PARTITIONBY");
+	WRITE_NODE_TYPE("PARTITIONSPEC");
 
 	WRITE_STRING_FIELD(strategy);
 	WRITE_NODE_FIELD(partParams);
@@ -4650,23 +4651,23 @@ _outPartitionSpec(StringInfo str, const PartitionSpec *node)
 static void
 _outPartitionBoundSpec(StringInfo str, const PartitionBoundSpec *node)
 {
-	WRITE_NODE_TYPE("PARTITIONBOUND");
+	WRITE_NODE_TYPE("PARTITIONBOUNDSPEC");
 
 	WRITE_CHAR_FIELD(strategy);
 	WRITE_NODE_FIELD(listdatums);
 	WRITE_NODE_FIELD(lowerdatums);
 	WRITE_NODE_FIELD(upperdatums);
-	/* XXX somebody forgot location field; too late to change for v10 */
+	WRITE_LOCATION_FIELD(location);
 }
 
 static void
 _outPartitionRangeDatum(StringInfo str, const PartitionRangeDatum *node)
 {
-	WRITE_NODE_TYPE("PARTRANGEDATUM");
+	WRITE_NODE_TYPE("PARTITIONRANGEDATUM");
 
 	WRITE_BOOL_FIELD(infinite);
 	WRITE_NODE_FIELD(value);
-	/* XXX somebody forgot location field; too late to change for v10 */
+	WRITE_LOCATION_FIELD(location);
 }
 
 /*
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c
index 5147eaa4d3..935bb196f7 100644
--- a/src/backend/nodes/readfuncs.c
+++ b/src/backend/nodes/readfuncs.c
@@ -1991,6 +1991,7 @@ _readRangeTblEntry(void)
 			break;
 		case RTE_NAMEDTUPLESTORE:
 			READ_STRING_FIELD(enrname);
+			READ_FLOAT_FIELD(enrtuples);
 			READ_OID_FIELD(relid);
 			READ_NODE_FIELD(coltypes);
 			READ_NODE_FIELD(coltypmods);
@@ -3761,8 +3762,7 @@ _readPartitionBoundSpec(void)
 	READ_NODE_FIELD(listdatums);
 	READ_NODE_FIELD(lowerdatums);
 	READ_NODE_FIELD(upperdatums);
-	/* XXX somebody forgot location field; too late to change for v10 */
-	local_node->location = -1;
+	READ_LOCATION_FIELD(location);
 
 	READ_DONE();
 }
@@ -3777,8 +3777,7 @@ _readPartitionRangeDatum(void)
 
 	READ_BOOL_FIELD(infinite);
 	READ_NODE_FIELD(value);
-	/* XXX somebody forgot location field; too late to change for v10 */
-	local_node->location = -1;
+	READ_LOCATION_FIELD(location);
 
 	READ_DONE();
 }
@@ -4029,9 +4028,9 @@ parseNodeString(void)
 		return_value = _readRemoteStmt();
 	else if (MATCH("SIMPLESORT", 10))
 		return_value = _readSimpleSort();
-	else if (MATCH("PARTITIONBOUND", 14))
+	else if (MATCH("PARTITIONBOUNDSPEC", 18))
 		return_value = _readPartitionBoundSpec();
-	else if (MATCH("PARTRANGEDATUM", 14))
+	else if (MATCH("PARTITIONRANGEDATUM", 19))
 		return_value = _readPartitionRangeDatum();
 	else
 	{