Simple and Powerful ORM for Go, support mysql,postgres,tidb,sqlite3,sqlite,mssql,oracle,cockroach
https://xorm.io
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32 lines
731 B
32 lines
731 B
// Copyright 2017 The Xorm Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file. |
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package xorm |
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// Exist returns true if the record exist otherwise return false |
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func (session *Session) Exist(bean ...interface{}) (bool, error) { |
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if session.isAutoClose { |
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defer session.Close() |
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} |
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if session.statement.LastError != nil { |
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return false, session.statement.LastError |
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} |
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sqlStr, args, err := session.statement.GenExistSQL(bean...) |
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if err != nil { |
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return false, err |
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} |
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rows, err := session.queryRows(sqlStr, args...) |
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if err != nil { |
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return false, err |
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} |
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defer rows.Close() |
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if rows.Next() { |
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return true, nil |
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} |
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return false, rows.Err() |
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}
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