init

pg_include/commands/sequence.h

@@ -0,0 +1,81 @@
+/*-------------------------------------------------------------------------
+ *
+ * sequence.h
+ *	  prototypes for sequence.c.
+ *
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/commands/sequence.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef SEQUENCE_H
+#define SEQUENCE_H
+
+#include "access/xlog.h"
+#include "fmgr.h"
+#include "nodes/parsenodes.h"
+#include "storage/relfilenode.h"
+
+
+typedef struct FormData_pg_sequence
+{
+	NameData	sequence_name;
+	int64		last_value;
+	int64		start_value;
+	int64		increment_by;
+	int64		max_value;
+	int64		min_value;
+	int64		cache_value;
+	int64		log_cnt;
+	bool		is_cycled;
+	bool		is_called;
+} FormData_pg_sequence;
+
+typedef FormData_pg_sequence *Form_pg_sequence;
+
+/*
+ * Columns of a sequence relation
+ */
+
+#define SEQ_COL_NAME			1
+#define SEQ_COL_LASTVAL			2
+#define SEQ_COL_STARTVAL		3
+#define SEQ_COL_INCBY			4
+#define SEQ_COL_MAXVALUE		5
+#define SEQ_COL_MINVALUE		6
+#define SEQ_COL_CACHE			7
+#define SEQ_COL_LOG				8
+#define SEQ_COL_CYCLE			9
+#define SEQ_COL_CALLED			10
+
+#define SEQ_COL_FIRSTCOL		SEQ_COL_NAME
+#define SEQ_COL_LASTCOL			SEQ_COL_CALLED
+
+/* XLOG stuff */
+#define XLOG_SEQ_LOG			0x00
+
+typedef struct xl_seq_rec
+{
+	RelFileNode node;
+	/* SEQUENCE TUPLE DATA FOLLOWS AT THE END */
+} xl_seq_rec;
+
+extern Datum nextval(PG_FUNCTION_ARGS);
+extern Datum nextval_oid(PG_FUNCTION_ARGS);
+extern Datum currval_oid(PG_FUNCTION_ARGS);
+extern Datum setval_oid(PG_FUNCTION_ARGS);
+extern Datum setval3_oid(PG_FUNCTION_ARGS);
+extern Datum lastval(PG_FUNCTION_ARGS);
+
+extern Datum pg_sequence_parameters(PG_FUNCTION_ARGS);
+
+extern void DefineSequence(CreateSeqStmt *stmt);
+extern void AlterSequence(AlterSeqStmt *stmt);
+extern void ResetSequence(Oid seq_relid);
+
+extern void seq_redo(XLogRecPtr lsn, XLogRecord *rptr);
+extern void seq_desc(StringInfo buf, uint8 xl_info, char *rec);
+
+#endif   /* SEQUENCE_H */