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POSTGRESQL的JDBC中的存储过程
就写这么多了,JAVA程序最后还有个invalid message length的问题,没找到是在哪里,想到了再说吧
--
-- PostgreSQL database dump
--
\connect - postgres
SET search_path = public, pg_catalog;
--
-- TOC entry 7 (OID 17142)
-- Name: plpgsql_call_handler (); Type: FUNC PROCEDURAL LANGUAGE; Schema: public; Owner: postgres
--
CREATE FUNCTION plpgsql_call_handler () RETURNS language_handler
AS '$libdir/plpgsql', 'plpgsql_call_handler'
LANGUAGE c;
--
-- TOC entry 6 (OID 17143)
-- Name: plpgsql; Type: PROCEDURAL LANGUAGE; Schema: public; Owner:
--
CREATE TRUSTED PROCEDURAL LANGUAGE plpgsql HANDLER plpgsql_call_handler;
--
-- TOC entry 2 (OID 2200)
-- Name: public; Type: ACL; Schema: -; Owner: postgres
--
REVOKE ALL ON SCHEMA public FROM PUBLIC;
GRANT ALL ON SCHEMA public TO PUBLIC;
--
-- TOC entry 3 (OID 17140)
-- Name: users; Type: TABLE; Schema: public; Owner: postgres
--
CREATE TABLE users (
id integer NOT NULL,
name character varying(32)
);
--
-- TOC entry 4 (OID 17140)
-- Name: users; Type: ACL; Schema: public; Owner: postgres
--
REVOKE ALL ON TABLE users FROM PUBLIC;
GRANT INSERT,SELECT,UPDATE,DELETE ON TABLE users TO nop;
--
-- TOC entry 8 (OID 17144)
-- Name: sp_users_select (); Type: FUNCTION; Schema: public; Owner: postgres
--
CREATE FUNCTION sp_users_select () RETURNS refcursor
AS '
declare ref refcursor;
begin
open ref for select * from users;
return ref;
end;
'
LANGUAGE plpgsql;
--
-- TOC entry 9 (OID 17149)
-- Name: sp_users_insert (integer, character varying); Type: FUNCTION; Schema: public; Owner: postgres
--
CREATE FUNCTION sp_users_insert (integer, character varying) RETURNS integer
AS '
declare v_id alias for $1;
v_name alias for $2;
v_return int;
begin
insert into users values (v_id, v_name);
get diagnostics v_return = ROW_COUNT;
return v_return;
end;'
LANGUAGE plpgsql;
--
-- TOC entry 10 (OID 17156)
-- Name: sp_users_delete (integer); Type: FUNCTION; Schema: public; Owner: postgres
--
CREATE FUNCTION sp_users_delete (integer) RETURNS integer
AS '
declare v_id alias for $1;
v_return int;
begin
delete from users where id = v_id;
get diagnostics v_return = ROW_COUNT;
return v_return;
end;'
LANGUAGE plpgsql;
--
-- TOC entry 5 (OID 17147)
-- Name: users_pkey; Type: CONSTRAINT; Schema: public; Owner: postgres
--
ALTER TABLE ONLY users
ADD CONSTRAINT users_pkey PRIMARY KEY (id);
////////////////////////////////////
import java.lang.*;
import java.sql.*;
public class pc
{
public static void main(String[] args)
throws Exception
{
String driver = "org.postgresql.Driver";
String url = "jdbc:postgresql://localhost:5432/nop";
String user = "nop";
String passwd = "nop";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, user, passwd);
// conn.setAutoCommit(false);
// Insert
CallableStatement callInsert = conn.prepareCall("{ ? = call sp_users_insert(?, ?) }"
callInsert.registerOutParameter(1, Types.INTEGER);
callInsert.setInt(2, 6);
callInsert.setString(3, "ARRR"
callInsert.execute();
// Select
conn.setAutoCommit(false);
CallableStatement callSelect = conn.prepareCall("{ ? = call sp_users_select () }"
callSelect.registerOutParameter(1, Types.OTHER);
callSelect.execute();
ResultSet rs = (ResultSet) callSelect.getObject(1);
System.out.println(rs);
while(rs.next())
{
System.err.println("Id : " + rs.getInt(1) + " Name : " + rs.getString(2));
}
conn.commit();
// Delete
conn.setAutoCommit(false);
CallableStatement callDelete = conn.prepareCall("{ ? = call sp_users_delete (?) }"
callDelete.registerOutParameter(1, Types.INTEGER);
callDelete.setInt(2, 6);
callDelete.execute();
conn.commit();
if(callInsert != null)
callInsert.close();
if(callSelect != null)
callSelect.close();
if(callDelete != null)
callDelete.close();
if(rs != null)
rs.close();
if(conn != null)
conn.close();
}
} |
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