1 files changed, 56 insertions, 0 deletions
diff --git a/contrib/pgbench/pgbench.h b/contrib/pgbench/pgbench.h
new file mode 100644
index 00000000000..128bf110d77
--- /dev/null
+++ b/contrib/pgbench/pgbench.h
@@ -0,0 +1,56 @@
+/*-------------------------------------------------------------------------
+ *
+ * pgbench.h
+ *
+ * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#ifndef PGBENCH_H
+#define PGBENCH_H
+
+typedef enum PgBenchExprType
+{
+	ENODE_INTEGER_CONSTANT,
+	ENODE_VARIABLE,
+	ENODE_OPERATOR
+} PgBenchExprType;
+
+struct PgBenchExpr;
+typedef struct PgBenchExpr PgBenchExpr;
+
+struct PgBenchExpr
+{
+	PgBenchExprType	etype;
+	union
+	{
+		struct
+		{
+			int64 ival;
+		} integer_constant;
+		struct
+		{
+			char *varname;
+		} variable;
+		struct
+		{
+			char operator;
+			PgBenchExpr	*lexpr;
+			PgBenchExpr *rexpr;
+		} operator;
+	} u;
+};
+
+extern PgBenchExpr *expr_parse_result;
+
+extern int      expr_yyparse(void);
+extern int      expr_yylex(void);
+extern void expr_yyerror(const char *str);
+extern void expr_scanner_init(const char *str);
+extern void expr_scanner_finish(void);
+
+extern int64 strtoint64(const char *str);
+
+#endif