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xorm使用pgsql的例子

时间:2021-07-01 10:21:17 帮助过:12人阅读

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)
        }
    }
}

 

xorm使用pgsql的例子

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