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fix Exist bug when using on MSSQL resolved #831 (#832)

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Lunny Xiao 2018-01-22 07:32:35 -06:00 committed by GitHub
parent caab56ac7e
commit d4149d1eee
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1 changed files with 11 additions and 2 deletions
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13
session_exist.go
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@ -10,6 +10,7 @@ import (
"reflect" "reflect"
"github.com/go-xorm/builder" "github.com/go-xorm/builder"
"github.com/go-xorm/core"
) )
// Exist returns true if the record exist otherwise return false // Exist returns true if the record exist otherwise return false
@ -35,10 +36,18 @@ func (session *Session) Exist(bean ...interface{}) (bool, error) {
return false, err return false, err
} }
sqlStr = fmt.Sprintf("SELECT * FROM %s WHERE %s LIMIT 1", tableName, condSQL) if session.engine.dialect.DBType() == core.MSSQL {
sqlStr = fmt.Sprintf("SELECT top 1 * FROM %s WHERE %s", tableName, condSQL)
} else {
sqlStr = fmt.Sprintf("SELECT * FROM %s WHERE %s LIMIT 1", tableName, condSQL)
}
args = condArgs args = condArgs
} else { } else {
sqlStr = fmt.Sprintf("SELECT * FROM %s LIMIT 1", tableName) if session.engine.dialect.DBType() == core.MSSQL {
sqlStr = fmt.Sprintf("SELECT top 1 * FROM %s", tableName)
} else {
sqlStr = fmt.Sprintf("SELECT * FROM %s LIMIT 1", tableName)
}
args = []interface{}{} args = []interface{}{}
} }
} else { } else {