huangzj
41 lines
974 B
Go
41 lines
974 B
Go
/*
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* @Author : huangzj
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* @Time : 2020/4/27 11:43
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* @Description：
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*/
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package tableField
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import (
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"database/sql"
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"log"
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"strings"
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)
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/*
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* @param
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* @return
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* @description 在连接数据库的情况下进行数据库表的字段信息查询
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* 这边的sql查询语句是：show full columns from [数据库名].[表名]
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*/
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func FindColumnMessage(dbName string, tableName string, db *sql.DB) ([]ColumnMessage, error) {
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var cms []ColumnMessage
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row, err := db.Query(strings.Join([]string{"show full columns from ", dbName, ".", tableName}, ""))
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if err != nil {
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log.Printf("数据库查询出错：" + err.Error())
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return nil, err
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}
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for row.Next() {
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var cm ColumnMessage
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err := row.Scan(&cm.Field, &cm.Type, &cm.Collation, &cm.Null, &cm.Key, &cm.Default, &cm.Extra, &cm.Privileges, &cm.Comment)
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if err != nil {
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log.Printf("字段赋值错误了" + err.Error())
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return nil, err
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}
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cms = append(cms, cm)
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}
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return cms, nil
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}
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