Update copyright for 2014

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

diff --git a/src/include/utils/tuplestore.h b/src/include/utils/tuplestore.h
index 62279344144aaa6799f85e6ac35ed7d86fc08ff9..1e22feecee8d9d0ee2ce8c69625672aeab2c2148 100644 (file)
--- a/src/include/utils/tuplestore.h
+++ b/src/include/utils/tuplestore.h
@@ -11,6 +11,8 @@
  * 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.
+ *
  * A temporary file is used to handle the data if it exceeds the
  * space limit specified by the caller.
  *
@@ -19,10 +21,10 @@
  * 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) 1996-2006, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/utils/tuplestore.h,v 1.18 2006/06/27 02:51:40 tgl Exp $
+ * src/include/utils/tuplestore.h
  *
  *-------------------------------------------------------------------------
  */
@@ -46,24 +48,38 @@ extern Tuplestorestate *tuplestore_begin_heap(bool randomAccess,
                                          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);
 
 /* tuplestore_donestoring() used to be required, but is no longer used */
 #define tuplestore_donestoring(state)  ((void) 0)
 
-/* backwards scan is only allowed if randomAccess was specified 'true' */
+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);
+
+extern void tuplestore_trim(Tuplestorestate *state);
+
+extern bool tuplestore_in_memory(Tuplestorestate *state);
+
 extern bool tuplestore_gettupleslot(Tuplestorestate *state, bool forward,
-                                                                       TupleTableSlot *slot);
+                                               bool copy, TupleTableSlot *slot);
 extern bool tuplestore_advance(Tuplestorestate *state, bool forward);
 
-extern void tuplestore_end(Tuplestorestate *state);
-
 extern bool tuplestore_ateof(Tuplestorestate *state);
 
 extern void tuplestore_rescan(Tuplestorestate *state);
-extern void tuplestore_markpos(Tuplestorestate *state);
-extern void tuplestore_restorepos(Tuplestorestate *state);
+
+extern void tuplestore_clear(Tuplestorestate *state);
+
+extern void tuplestore_end(Tuplestorestate *state);
 
 #endif   /* TUPLESTORE_H */