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delete.go
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delete.go
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package CoreSQL
import (
"database/sql"
"errors"
"fmt"
"github.com/jmoiron/sqlx"
)
//GetDeleteSQL 获取删除或尚未删除的sql语句部分
func GetDeleteSQL(isRemove bool, where string) string {
return GetDeleteSQLField(isRemove, where, "delete_at")
}
func GetDeleteSQLField(isRemove bool, where string, field string) string {
if where == "" {
if isRemove {
where = field + " > to_timestamp(1000000)"
} else {
where = field + " < to_timestamp(1000000)"
}
return where
} else {
if isRemove {
where = where + " AND " + field + " > to_timestamp(1000000)"
} else {
where = where + " AND " + field + " < to_timestamp(1000000)"
}
return where
}
}
//DeleteOne 通用删除处理
func DeleteOne(db *sqlx.DB, tableName string, fieldName string, value interface{}) (result sql.Result, err error) {
//捕捉错误
defer func() {
if e := recover(); e != nil {
err = errors.New(fmt.Sprint(e))
return
}
}()
//删除操作
tx := db.MustBegin()
if value == nil {
result, err = tx.Exec(fmt.Sprint("DELETE FROM ", tableName, " WHERE ", fieldName, "=:", fieldName))
} else {
result, err = tx.NamedExec(fmt.Sprint("DELETE FROM ", tableName, " WHERE ", fieldName, "=:", fieldName), value)
}
err = LastRowsAffected(tx, result, err)
if err != nil {
return
}
err = tx.Commit()
return
}
//DeleteOneSoft 通用软删除
func DeleteOneSoft(db *sqlx.DB, tableName string, fieldName string, value interface{}) (result sql.Result, err error) {
//捕捉错误
defer func() {
if e := recover(); e != nil {
err = errors.New(fmt.Sprint(e))
return
}
}()
//删除操作
tx := db.MustBegin()
if value == nil {
result, err = tx.Exec(fmt.Sprint("UPDATE ", tableName, " SET delete_at=NOW() WHERE ", fieldName, "=:", fieldName))
} else {
result, err = tx.NamedExec(fmt.Sprint("UPDATE ", tableName, " SET delete_at=NOW() WHERE ", fieldName, "=:", fieldName), value)
}
err = LastRowsAffected(tx, result, err)
if err != nil {
return
}
err = tx.Commit()
return
}
//DeleteAllSoft 通用软删除
func DeleteAllSoft(db *sqlx.DB, tableName string, where string, value interface{}) (result sql.Result, err error) {
//捕捉错误
defer func() {
if e := recover(); e != nil {
err = errors.New(fmt.Sprint(e))
return
}
}()
//删除操作
tx := db.MustBegin()
if value == nil {
result, err = tx.Exec(fmt.Sprint("UPDATE ", tableName, " SET delete_at=NOW() WHERE ", where))
} else {
result, err = tx.NamedExec(fmt.Sprint("UPDATE ", tableName, " SET delete_at=NOW() WHERE ", where), value)
}
err = LastRowsAffected(tx, result, err)
if err != nil {
return
}
err = tx.Commit()
return
}
//DeleteAll 清理所有符合条件的
func DeleteAll(db *sqlx.DB, tableName string, where string, args interface{}) (result sql.Result, err error) {
//捕捉错误
defer func() {
if e := recover(); e != nil {
err = errors.New(fmt.Sprint(e))
return
}
}()
//删除操作
tx := db.MustBegin()
if args == nil {
if where == "" {
result, err = tx.Exec(fmt.Sprint("DELETE FROM ", tableName))
} else {
result, err = tx.Exec(fmt.Sprint("DELETE FROM ", tableName, " WHERE ", where))
}
} else {
if where == "" {
result, err = tx.NamedExec(fmt.Sprint("DELETE FROM ", tableName), args)
} else {
result, err = tx.NamedExec(fmt.Sprint("DELETE FROM ", tableName, " WHERE ", where), args)
}
}
err = LastRowsAffected(tx, result, err)
if err != nil {
return
}
err = tx.Commit()
return
}