75 lines
3.0 KiB
Go
75 lines
3.0 KiB
Go
// Copyright 2017 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package expression
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import (
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"github.com/pingcap/tidb/context"
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"github.com/pingcap/tidb/mysql"
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"github.com/pingcap/tidb/terror"
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"github.com/pingcap/tidb/types"
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)
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// Error instances.
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var (
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ErrIncorrectParameterCount = terror.ClassExpression.New(mysql.ErrWrongParamcountToNativeFct, mysql.MySQLErrName[mysql.ErrWrongParamcountToNativeFct])
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ErrDivisionByZero = terror.ClassExpression.New(mysql.ErrDivisionByZero, mysql.MySQLErrName[mysql.ErrDivisionByZero])
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errFunctionNotExists = terror.ClassExpression.New(mysql.ErrSpDoesNotExist, mysql.MySQLErrName[mysql.ErrSpDoesNotExist])
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errZlibZData = terror.ClassTypes.New(mysql.ErrZlibZData, mysql.MySQLErrName[mysql.ErrZlibZData])
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errIncorrectArgs = terror.ClassExpression.New(mysql.ErrWrongArguments, mysql.MySQLErrName[mysql.ErrWrongArguments])
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errUnknownCharacterSet = terror.ClassExpression.New(mysql.ErrUnknownCharacterSet, mysql.MySQLErrName[mysql.ErrUnknownCharacterSet])
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errDefaultValue = terror.ClassExpression.New(mysql.ErrInvalidDefault, "invalid default value")
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)
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func init() {
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expressionMySQLErrCodes := map[terror.ErrCode]uint16{
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mysql.ErrWrongParamcountToNativeFct: mysql.ErrWrongParamcountToNativeFct,
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mysql.ErrDivisionByZero: mysql.ErrDivisionByZero,
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mysql.ErrSpDoesNotExist: mysql.ErrSpDoesNotExist,
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mysql.ErrZlibZData: mysql.ErrZlibZData,
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mysql.ErrWrongArguments: mysql.ErrWrongArguments,
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mysql.ErrUnknownCharacterSet: mysql.ErrUnknownCharacterSet,
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mysql.ErrInvalidDefault: mysql.ErrInvalidDefault,
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}
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terror.ErrClassToMySQLCodes[terror.ClassExpression] = expressionMySQLErrCodes
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}
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// handleInvalidTimeError reports error or warning depend on the context.
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func handleInvalidTimeError(ctx context.Context, err error) error {
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if err == nil || !(terror.ErrorEqual(err, types.ErrInvalidTimeFormat) || types.ErrIncorrectDatetimeValue.Equal(err)) {
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return err
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}
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sc := ctx.GetSessionVars().StmtCtx
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if ctx.GetSessionVars().StrictSQLMode && (sc.InInsertStmt || sc.InUpdateOrDeleteStmt) {
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return err
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}
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sc.AppendWarning(err)
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return nil
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}
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// handleDivisionByZeroError reports error or warning depend on the context.
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func handleDivisionByZeroError(ctx context.Context) error {
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sc := ctx.GetSessionVars().StmtCtx
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if sc.InInsertStmt || sc.InUpdateOrDeleteStmt {
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if !ctx.GetSessionVars().SQLMode.HasErrorForDivisionByZeroMode() {
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return nil
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}
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if ctx.GetSessionVars().StrictSQLMode && !sc.DividedByZeroAsWarning {
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return ErrDivisionByZero
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}
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}
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sc.AppendWarning(ErrDivisionByZero)
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return nil
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}
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