[Go] #2. SQL Resultsetをjsonに変換

インストールjsonify

go get -u github.com/bdwilliams/go-jsonify/jsonify

go: downloading github.com/bdwilliams/go-jsonify v0.0.0-20141020182238-48749139e742
go get: added github.com/bdwilliams/go-jsonify v0.0.0-20141020182238-48749139e742

使用方法

jsonify.Jsonify(sqlResultSet)

ソースの変更

package main

import (
	"database/sql"

	"github.com/bdwilliams/go-jsonify/jsonify"
	"github.com/gin-gonic/gin"
	_ "github.com/go-sql-driver/mysql"
)

func main() {
	r := gin.Default()
	r.GET("/selectSysTable", func(c *gin.Context) {

		db, err := sql.Open("mysql", "id:pass@tcp(ip:port)/dbName")
		if err != nil {
			panic(err)
		}
		defer db.Close()

		rows, err := db.Query("SELECT variable, value, set_time FROM sys_config WHERE variable = 'statement_truncate_len'")

		c.JSON(200, jsonify.Jsonify(rows))
	})
	r.Run()
}

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