From b737b925c03e45fbfe483a8b544fcd05d7743193 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BE=90=E9=B2=B2=E9=B9=8F?= <xukunpeng2@huawei.com>
Date: Mon, 7 Sep 2020 11:06:51 +0800
Subject: [PATCH] =?UTF-8?q?function=20has=20serial=20type=20=E6=B5=8B?=
 =?UTF-8?q?=E8=AF=95=E7=94=A8=E4=BE=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/test/regress/sql/test_serial.sql | 44 ++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/test/regress/sql/test_serial.sql

diff --git a/src/test/regress/sql/test_serial.sql b/src/test/regress/sql/test_serial.sql
new file mode 100644
index 000000000..132f37b29
--- /dev/null
+++ b/src/test/regress/sql/test_serial.sql
@@ -0,0 +1,44 @@
+--
+-- testserial
+--
+create table tbl_small_serial(a smallserial, b varchar(2));
+
+insert into tbl_small_serial(b) values ('aa');
+
+create table tbl_serial(a serial, b varchar(2));
+
+insert into tbl_serial(b) values ('bb');
+
+create table tbl_big_serial(a bigserial, b varchar(2));
+
+insert into tbl_big_serial(b) values ('cc');
+
+CREATE  FUNCTION h_testfun6 (c_SMALLSERIAL SMALLSERIAL) RETURNS SMALLSERIAL   AS $$
+        BEGIN
+                RETURN c_SMALLSERIAL+1 ;
+        END;
+$$ LANGUAGE plpgsql;
+CREATE  FUNCTION h_testfun7 (c_SERIAL SERIAL) RETURNS SERIAL   AS $$
+        BEGIN
+                RETURN c_SERIAL ;
+        END;
+$$ LANGUAGE plpgsql;
+CREATE  FUNCTION h_testfun8 (c_BIGSERIAL BIGSERIAL) RETURNS BIGSERIAL   AS $$
+        BEGIN
+                RETURN c_BIGSERIAL ;
+        END;
+$$ LANGUAGE plpgsql;
+
+SELECT h_testfun6((SELECT a from  tbl_small_serial));
+
+SELECT h_testfun7((SELECT a from  tbl_serial));
+
+SELECT h_testfun8((SELECT a from  tbl_big_serial));
+
+drop table tbl_small_serial;
+drop table tbl_serial;
+drop table tbl_big_serial;
+
+drop function h_testfun6;
+drop function h_testfun7;
+drop function h_testfun8;
\ No newline at end of file