github.com/XiaoMi/Gaea@v1.2.5/parser/model/flags.go (about)

     1  // Copyright 2018 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 model
    15  
    16  // Flags are used by tipb.SelectRequest.Flags to handle execution mode, like how to handle truncate error.
    17  const (
    18  	// FlagIgnoreTruncate indicates if truncate error should be ignored.
    19  	// Read-only statements should ignore truncate error, write statements should not ignore truncate error.
    20  	FlagIgnoreTruncate uint64 = 1
    21  	// FlagTruncateAsWarning indicates if truncate error should be returned as warning.
    22  	// This flag only matters if FlagIgnoreTruncate is not set, in strict sql mode, truncate error should
    23  	// be returned as error, in non-strict sql mode, truncate error should be saved as warning.
    24  	FlagTruncateAsWarning = 1 << 1
    25  	// FlagPadCharToFullLength indicates if sql_mode 'PAD_CHAR_TO_FULL_LENGTH' is set.
    26  	FlagPadCharToFullLength = 1 << 2
    27  	// FlagInInsertStmt indicates if this is a INSERT statement.
    28  	FlagInInsertStmt = 1 << 3
    29  	// FlagInUpdateOrDeleteStmt indicates if this is a UPDATE statement or a DELETE statement.
    30  	FlagInUpdateOrDeleteStmt = 1 << 4
    31  	// FlagInSelectStmt indicates if this is a SELECT statement.
    32  	FlagInSelectStmt = 1 << 5
    33  	// FlagOverflowAsWarning indicates if overflow error should be returned as warning.
    34  	// In strict sql mode, overflow error should be returned as error,
    35  	// in non-strict sql mode, overflow error should be saved as warning.
    36  	FlagOverflowAsWarning = 1 << 6
    37  	// FlagIgnoreZeroInDate indicates if ZeroInDate error should be ignored.
    38  	// Read-only statements should ignore ZeroInDate error.
    39  	// Write statements should not ignore ZeroInDate error in strict sql mode.
    40  	FlagIgnoreZeroInDate = 1 << 7
    41  	// FlagDividedByZeroAsWarning indicates if DividedByZero should be returned as warning.
    42  	FlagDividedByZeroAsWarning = 1 << 8
    43  )