doc: Make function synopsis formatting more uniform

Whitespace use was inconsistent in the same chapter.

doc/src/sgml/fdwhandler.sgml

@@ -101,7 +101,7 @@
     <para>
 <programlisting>
 void
-GetForeignRelSize (PlannerInfo *root,
+GetForeignRelSize(PlannerInfo *root,
                   RelOptInfo *baserel,
                   Oid foreigntableid);
 </programlisting>
@@ -132,7 +132,7 @@ GetForeignRelSize (PlannerInfo *root,
     <para>
 <programlisting>
 void
-GetForeignPaths (PlannerInfo *root,
+GetForeignPaths(PlannerInfo *root,
                 RelOptInfo *baserel,
                 Oid foreigntableid);
 </programlisting>
@@ -163,7 +163,7 @@ GetForeignPaths (PlannerInfo *root,
     <para>
 <programlisting>
 ForeignScan *
-GetForeignPlan (PlannerInfo *root,
+GetForeignPlan(PlannerInfo *root,
                RelOptInfo *baserel,
                Oid foreigntableid,
                ForeignPath *best_path,
@@ -199,7 +199,7 @@ GetForeignPlan (PlannerInfo *root,
     <para>
 <programlisting>
 void
-BeginForeignScan (ForeignScanState *node,
+BeginForeignScan(ForeignScanState *node,
                  int eflags);
 </programlisting>
 
@@ -227,7 +227,7 @@ BeginForeignScan (ForeignScanState *node,
     <para>
 <programlisting>
 TupleTableSlot *
-IterateForeignScan (ForeignScanState *node);
+IterateForeignScan(ForeignScanState *node);
 </programlisting>
 
      Fetch one row from the foreign source, returning it in a tuple table slot
@@ -264,7 +264,7 @@ IterateForeignScan (ForeignScanState *node);
     <para>
 <programlisting>
 void
-ReScanForeignScan (ForeignScanState *node);
+ReScanForeignScan(ForeignScanState *node);
 </programlisting>
 
      Restart the scan from the beginning.  Note that any parameters the
@@ -275,7 +275,7 @@ ReScanForeignScan (ForeignScanState *node);
     <para>
 <programlisting>
 void
-EndForeignScan (ForeignScanState *node);
+EndForeignScan(ForeignScanState *node);
 </programlisting>
 
      End the scan and release resources.  It is normally not important
@@ -297,7 +297,7 @@ EndForeignScan (ForeignScanState *node);
     <para>
 <programlisting>
 void
-GetForeignJoinPaths (PlannerInfo *root,
+GetForeignJoinPaths(PlannerInfo *root,
                     RelOptInfo *joinrel,
                     RelOptInfo *outerrel,
                     RelOptInfo *innerrel,
@@ -356,7 +356,7 @@ GetForeignJoinPaths (PlannerInfo *root,
     <para>
 <programlisting>
 void
-GetForeignUpperPaths (PlannerInfo *root,
+GetForeignUpperPaths(PlannerInfo *root,
                      UpperRelationKind stage,
                      RelOptInfo *input_rel,
                      RelOptInfo *output_rel);
@@ -404,7 +404,7 @@ GetForeignUpperPaths (PlannerInfo *root,
     <para>
 <programlisting>
 void
-AddForeignUpdateTargets (Query *parsetree,
+AddForeignUpdateTargets(Query *parsetree,
                         RangeTblEntry *target_rte,
                         Relation target_relation);
 </programlisting>
@@ -451,7 +451,7 @@ AddForeignUpdateTargets (Query *parsetree,
     <para>
 <programlisting>
 List *
-PlanForeignModify (PlannerInfo *root,
+PlanForeignModify(PlannerInfo *root,
                   ModifyTable *plan,
                   Index resultRelation,
                   int subplan_index);
@@ -490,7 +490,7 @@ PlanForeignModify (PlannerInfo *root,
     <para>
 <programlisting>
 void
-BeginForeignModify (ModifyTableState *mtstate,
+BeginForeignModify(ModifyTableState *mtstate,
                    ResultRelInfo *rinfo,
                    List *fdw_private,
                    int subplan_index,
@@ -536,7 +536,7 @@ BeginForeignModify (ModifyTableState *mtstate,
     <para>
 <programlisting>
 TupleTableSlot *
-ExecForeignInsert (EState *estate,
+ExecForeignInsert(EState *estate,
                   ResultRelInfo *rinfo,
                   TupleTableSlot *slot,
                   TupleTableSlot *planSlot);
@@ -582,7 +582,7 @@ ExecForeignInsert (EState *estate,
     <para>
 <programlisting>
 TupleTableSlot *
-ExecForeignUpdate (EState *estate,
+ExecForeignUpdate(EState *estate,
                   ResultRelInfo *rinfo,
                   TupleTableSlot *slot,
                   TupleTableSlot *planSlot);
@@ -628,7 +628,7 @@ ExecForeignUpdate (EState *estate,
     <para>
 <programlisting>
 TupleTableSlot *
-ExecForeignDelete (EState *estate,
+ExecForeignDelete(EState *estate,
                   ResultRelInfo *rinfo,
                   TupleTableSlot *slot,
                   TupleTableSlot *planSlot);
@@ -672,7 +672,7 @@ ExecForeignDelete (EState *estate,
     <para>
 <programlisting>
 void
-EndForeignModify (EState *estate,
+EndForeignModify(EState *estate,
                  ResultRelInfo *rinfo);
 </programlisting>
 
@@ -689,7 +689,7 @@ EndForeignModify (EState *estate,
     <para>
 <programlisting>
 int
-IsForeignRelUpdatable (Relation rel);
+IsForeignRelUpdatable(Relation rel);
 </programlisting>
 
      Report which update operations the specified foreign table supports.
@@ -729,7 +729,7 @@ IsForeignRelUpdatable (Relation rel);
     <para>
 <programlisting>
 bool
-PlanDirectModify (PlannerInfo *root,
+PlanDirectModify(PlannerInfo *root,
                  ModifyTable *plan,
                  Index resultRelation,
                  int subplan_index);
@@ -771,7 +771,7 @@ PlanDirectModify (PlannerInfo *root,
     <para>
 <programlisting>
 void
-BeginDirectModify (ForeignScanState *node,
+BeginDirectModify(ForeignScanState *node,
                   int eflags);
 </programlisting>
 
@@ -805,7 +805,7 @@ BeginDirectModify (ForeignScanState *node,
     <para>
 <programlisting>
 TupleTableSlot *
-IterateDirectModify (ForeignScanState *node);
+IterateDirectModify(ForeignScanState *node);
 </programlisting>
 
      When the <command>INSERT</>, <command>UPDATE</> or <command>DELETE</>
@@ -851,7 +851,7 @@ IterateDirectModify (ForeignScanState *node);
     <para>
 <programlisting>
 void
-EndDirectModify (ForeignScanState *node);
+EndDirectModify(ForeignScanState *node);
 </programlisting>
 
      Clean up following a direct modification on the remote server.  It is
@@ -879,7 +879,7 @@ EndDirectModify (ForeignScanState *node);
     <para>
 <programlisting>
 RowMarkType
-GetForeignRowMarkType (RangeTblEntry *rte,
+GetForeignRowMarkType(RangeTblEntry *rte,
                       LockClauseStrength strength);
 </programlisting>
 
@@ -911,7 +911,7 @@ GetForeignRowMarkType (RangeTblEntry *rte,
     <para>
 <programlisting>
 HeapTuple
-RefetchForeignRow (EState *estate,
+RefetchForeignRow(EState *estate,
                   ExecRowMark *erm,
                   Datum rowid,
                   bool *updated);
@@ -970,7 +970,8 @@ RefetchForeignRow (EState *estate,
     <para>
 <programlisting>
 bool
-RecheckForeignScan (ForeignScanState *node, TupleTableSlot *slot);
+RecheckForeignScan(ForeignScanState *node,
+                   TupleTableSlot *slot);
 </programlisting>
      Recheck that a previously-returned tuple still matches the relevant
      scan and join qualifiers, and possibly provide a modified version of
@@ -1011,7 +1012,7 @@ RecheckForeignScan (ForeignScanState *node, TupleTableSlot *slot);
     <para>
 <programlisting>
 void
-ExplainForeignScan (ForeignScanState *node,
+ExplainForeignScan(ForeignScanState *node,
                    ExplainState *es);
 </programlisting>
 
@@ -1033,7 +1034,7 @@ ExplainForeignScan (ForeignScanState *node,
     <para>
 <programlisting>
 void
-ExplainForeignModify (ModifyTableState *mtstate,
+ExplainForeignModify(ModifyTableState *mtstate,
                      ResultRelInfo *rinfo,
                      List *fdw_private,
                      int subplan_index,
@@ -1059,7 +1060,7 @@ ExplainForeignModify (ModifyTableState *mtstate,
     <para>
 <programlisting>
 void
-ExplainDirectModify (ForeignScanState *node,
+ExplainDirectModify(ForeignScanState *node,
                     ExplainState *es);
 </programlisting>
 
@@ -1087,7 +1088,7 @@ ExplainDirectModify (ForeignScanState *node,
     <para>
 <programlisting>
 bool
-AnalyzeForeignTable (Relation relation,
+AnalyzeForeignTable(Relation relation,
                     AcquireSampleRowsFunc *func,
                     BlockNumber *totalpages);
 </programlisting>
@@ -1109,8 +1110,10 @@ AnalyzeForeignTable (Relation relation,
      If provided, the sample collection function must have the signature
 <programlisting>
 int
-AcquireSampleRowsFunc (Relation relation, int elevel,
+AcquireSampleRowsFunc(Relation relation,
-                       HeapTuple *rows, int targrows,
+                      int elevel,
+                      HeapTuple *rows,
+                      int targrows,
                       double *totalrows,
                       double *totaldeadrows);
 </programlisting>
@@ -1132,7 +1135,7 @@ AcquireSampleRowsFunc (Relation relation, int elevel,
     <para>
 <programlisting>
 List *
-ImportForeignSchema (ImportForeignSchemaStmt *stmt, Oid serverOid);
+ImportForeignSchema(ImportForeignSchemaStmt *stmt, Oid serverOid);
 </programlisting>
 
      Obtain a list of foreign table creation commands.  This function is