github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/libraries/utils/valutil/values.go (about)

     1  // Copyright 2019 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package valutil
    16  
    17  import (
    18  	"github.com/dolthub/dolt/go/store/types"
    19  )
    20  
    21  // NilSafeEqCheck compares two types.Value instances in a manner that handles nils as equal to types.NullValue
    22  func NilSafeEqCheck(v1, v2 types.Value) bool {
    23  	if types.IsNull(v1) {
    24  		return types.IsNull(v2)
    25  	} else {
    26  		return v1.Equals(v2)
    27  	}
    28  }