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83 lines
4.1 KiB
83 lines
4.1 KiB
// 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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pmysql "github.com/pingcap/parser/mysql"
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mysql "github.com/pingcap/tidb/errno"
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"github.com/pingcap/tidb/sessionctx"
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"github.com/pingcap/tidb/types"
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"github.com/pingcap/tidb/util/dbterror"
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)
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// Error instances.
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var (
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// All the exported errors are defined here:
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ErrIncorrectParameterCount = dbterror.ClassExpression.NewStd(mysql.ErrWrongParamcountToNativeFct)
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ErrDivisionByZero = dbterror.ClassExpression.NewStd(mysql.ErrDivisionByZero)
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ErrRegexp = dbterror.ClassExpression.NewStd(mysql.ErrRegexp)
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ErrOperandColumns = dbterror.ClassExpression.NewStd(mysql.ErrOperandColumns)
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ErrCutValueGroupConcat = dbterror.ClassExpression.NewStd(mysql.ErrCutValueGroupConcat)
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ErrFunctionsNoopImpl = dbterror.ClassExpression.NewStdErr(mysql.ErrNotSupportedYet, pmysql.Message("function %s has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions", nil))
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ErrInvalidArgumentForLogarithm = dbterror.ClassExpression.NewStd(mysql.ErrInvalidArgumentForLogarithm)
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ErrIncorrectType = dbterror.ClassExpression.NewStd(mysql.ErrIncorrectType)
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// All the un-exported errors are defined here:
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errFunctionNotExists = dbterror.ClassExpression.NewStd(mysql.ErrSpDoesNotExist)
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errZlibZData = dbterror.ClassExpression.NewStd(mysql.ErrZlibZData)
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errZlibZBuf = dbterror.ClassExpression.NewStd(mysql.ErrZlibZBuf)
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errIncorrectArgs = dbterror.ClassExpression.NewStd(mysql.ErrWrongArguments)
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errUnknownCharacterSet = dbterror.ClassExpression.NewStd(mysql.ErrUnknownCharacterSet)
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errDefaultValue = dbterror.ClassExpression.NewStdErr(mysql.ErrInvalidDefault, pmysql.Message("invalid default value", nil))
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errDeprecatedSyntaxNoReplacement = dbterror.ClassExpression.NewStd(mysql.ErrWarnDeprecatedSyntaxNoReplacement)
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errBadField = dbterror.ClassExpression.NewStd(mysql.ErrBadField)
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errWarnAllowedPacketOverflowed = dbterror.ClassExpression.NewStd(mysql.ErrWarnAllowedPacketOverflowed)
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errWarnOptionIgnored = dbterror.ClassExpression.NewStd(mysql.WarnOptionIgnored)
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errTruncatedWrongValue = dbterror.ClassExpression.NewStd(mysql.ErrTruncatedWrongValue)
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errUnknownLocale = dbterror.ClassExpression.NewStd(mysql.ErrUnknownLocale)
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errNonUniq = dbterror.ClassExpression.NewStd(mysql.ErrNonUniq)
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// Sequence usage privilege check.
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errSequenceAccessDenied = dbterror.ClassExpression.NewStd(mysql.ErrTableaccessDenied)
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)
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// handleInvalidTimeError reports error or warning depend on the context.
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func handleInvalidTimeError(ctx sessionctx.Context, err error) error {
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if err == nil || !(types.ErrWrongValue.Equal(err) ||
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types.ErrTruncatedWrongVal.Equal(err) || types.ErrInvalidWeekModeFormat.Equal(err) ||
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types.ErrDatetimeFunctionOverflow.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.InUpdateStmt || sc.InDeleteStmt) {
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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 sessionctx.Context) error {
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sc := ctx.GetSessionVars().StmtCtx
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if sc.InInsertStmt || sc.InUpdateStmt || sc.InDeleteStmt {
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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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