github.com/XiaoMi/Gaea@v1.2.5/parser/tidb-types/eval_type.go (about)

     1  // Copyright 2017 PingCAP, 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  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package types
    15  
    16  import ast "github.com/XiaoMi/Gaea/parser/types"
    17  
    18  // EvalType indicates the specified types that arguments and result of a built-in function should be.
    19  type EvalType = ast.EvalType
    20  
    21  const (
    22  	// ETInt represents type INT in evaluation.
    23  	ETInt = ast.ETInt
    24  	// ETReal represents type REAL in evaluation.
    25  	ETReal = ast.ETReal
    26  	// ETDecimal represents type DECIMAL in evaluation.
    27  	ETDecimal = ast.ETDecimal
    28  	// ETString represents type STRING in evaluation.
    29  	ETString = ast.ETString
    30  	// ETDatetime represents type DATETIME in evaluation.
    31  	ETDatetime = ast.ETDatetime
    32  	// ETTimestamp represents type TIMESTAMP in evaluation.
    33  	ETTimestamp = ast.ETTimestamp
    34  	// ETDuration represents type DURATION in evaluation.
    35  	ETDuration = ast.ETDuration
    36  	// ETJson represents type JSON in evaluation.
    37  	ETJson = ast.ETJson
    38  )