xorm使用pgsql的例子

测试表

/*
 Navicat Premium Data Transfer

 Source Server         : localhost
 Source Server Type    : PostgreSQL
 Source Server Version : 90401
 Source Host           : localhost
 Source Database       : mmc
 Source Schema         : public

 Target Server Type    : PostgreSQL
 Target Server Version : 90401
 File Encoding         : utf-8

 Date: 08/15/2015 20:24:56 PM
*/

-- ----------------------------
--  Table structure for student
-- ----------------------------
DROP TABLE IF EXISTS "public"."student";
CREATE TABLE "public"."student" (
    "id" int4 NOT NULL DEFAULT nextval('student_id_seq'::regclass),
    "name" varchar(255) NOT NULL DEFAULT ''::character varying COLLATE "default",
    "age" int4 NOT NULL DEFAULT 0
)
WITH (OIDS=FALSE);
ALTER TABLE "public"."student" OWNER TO "mmc";

-- ----------------------------
--  Records of student
-- ----------------------------
BEGIN;
INSERT INTO "public"."student" VALUES ('1', 'tom', '25');
COMMIT;

-- ----------------------------
--  Primary key structure for table student
-- ----------------------------
ALTER TABLE "public"."student" ADD PRIMARY KEY ("id") NOT DEFERRABLE INITIALLY IMMEDIATE;

直接贴代码

package main

import (
    "fmt"
    "github.com/go-xorm/xorm"
    _ "github.com/lib/pq"
    "reflect"
    "unsafe"
)

var engine *xorm.Engine

func BytesToString(b []byte) string {
    bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
    sh := reflect.StringHeader{bh.Data, bh.Len}
    return *(*string)(unsafe.Pointer(&sh))
}

func StringToBytes(s string) []byte {
    sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
    bh := reflect.SliceHeader{sh.Data, sh.Len, 0}
    return *(*[]byte)(unsafe.Pointer(&bh))
}

func main() {
    engine, _ = xorm.NewEngine("postgres", "user=mmc password=mmc dbname=mmc host=127.0.0.1 port=5432 sslmode=disable")
    sql := "select * from student"
    rowArray, _ := engine.Query(sql)
    for _, row := range rowArray {
        for colName, colValue := range row {
            value := BytesToString(colValue)
            fmt.Println(colName, value)
        }
    }
}