Fix initialization of fake LSN for unlogged relations

[postgresql] / src / include / utils / tuplestore.h

diff --git a/src/include/utils/tuplestore.h b/src/include/utils/tuplestore.h
index 936450af7482241f2f8aa54165149eb105dd2689..f9b6fcec29e36dd8b0fef5bcc14567f09c193d0b 100644 (file)
--- a/src/include/utils/tuplestore.h
+++ b/src/include/utils/tuplestore.h
@@ -8,7 +8,7 @@
  * a dumbed-down version of tuplesort.c; it does no sorting of tuples
  * but can only store and regurgitate a sequence of tuples.  However,
  * because no sort is required, it is allowed to start reading the sequence
- * before it has all been written.     This is particularly useful for cursors,
+ * before it has all been written.  This is particularly useful for cursors,
  * because it allows random access within the already-scanned portion of
  * a query without having to process the underlying scan to completion.
  * Also, it is possible to support multiple independent read pointers.
@@ -21,7 +21,7 @@
  * Also, we have changed the API to return tuples in TupleTableSlots,
  * so that there is a check to prevent attempted access to system columns.
  *
- * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/utils/tuplestore.h
@@ -45,16 +45,16 @@ typedef struct Tuplestorestate Tuplestorestate;
  */
 
 extern Tuplestorestate *tuplestore_begin_heap(bool randomAccess,
-                                         bool interXact,
-                                         int maxKBytes);
+                                                                                         bool interXact,
+                                                                                         int maxKBytes);
 
 extern void tuplestore_set_eflags(Tuplestorestate *state, int eflags);
 
 extern void tuplestore_puttupleslot(Tuplestorestate *state,
-                                               TupleTableSlot *slot);
+                                                                       TupleTableSlot *slot);
 extern void tuplestore_puttuple(Tuplestorestate *state, HeapTuple tuple);
 extern void tuplestore_putvalues(Tuplestorestate *state, TupleDesc tdesc,
-                                        Datum *values, bool *isnull);
+                                                                Datum *values, bool *isnull);
 
 /* tuplestore_donestoring() used to be required, but is no longer used */
 #define tuplestore_donestoring(state)  ((void) 0)
@@ -64,16 +64,22 @@ extern int  tuplestore_alloc_read_pointer(Tuplestorestate *state, int eflags);
 extern void tuplestore_select_read_pointer(Tuplestorestate *state, int ptr);
 
 extern void tuplestore_copy_read_pointer(Tuplestorestate *state,
-                                                        int srcptr, int destptr);
+                                                                                int srcptr, int destptr);
 
 extern void tuplestore_trim(Tuplestorestate *state);
 
 extern bool tuplestore_in_memory(Tuplestorestate *state);
 
 extern bool tuplestore_gettupleslot(Tuplestorestate *state, bool forward,
-                                               bool copy, TupleTableSlot *slot);
+                                                                       bool copy, TupleTableSlot *slot);
+
 extern bool tuplestore_advance(Tuplestorestate *state, bool forward);
 
+extern bool tuplestore_skiptuples(Tuplestorestate *state,
+                                                                 int64 ntuples, bool forward);
+
+extern int64 tuplestore_tuple_count(Tuplestorestate *state);
+
 extern bool tuplestore_ateof(Tuplestorestate *state);
 
 extern void tuplestore_rescan(Tuplestorestate *state);
@@ -82,4 +88,4 @@ extern void tuplestore_clear(Tuplestorestate *state);
 
 extern void tuplestore_end(Tuplestorestate *state);
 
-#endif   /* TUPLESTORE_H */
+#endif                                                 /* TUPLESTORE_H */