82 lines
4.6 KiB
Go
82 lines
4.6 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/parser/mysql"
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"github.com/pingcap/parser/terror"
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"github.com/pingcap/tidb/sessionctx"
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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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// All the exported errors are defined here:
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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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ErrRegexp = terror.ClassExpression.New(mysql.ErrRegexp, mysql.MySQLErrName[mysql.ErrRegexp])
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ErrOperandColumns = terror.ClassExpression.New(mysql.ErrOperandColumns, mysql.MySQLErrName[mysql.ErrOperandColumns])
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ErrCutValueGroupConcat = terror.ClassExpression.New(mysql.ErrCutValueGroupConcat, mysql.MySQLErrName[mysql.ErrCutValueGroupConcat])
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ErrFunctionsNoopImpl = terror.ClassExpression.New(mysql.ErrNotSupportedYet, "function %s has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions")
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ErrIncorrectType = terror.ClassExpression.New(mysql.ErrIncorrectType, mysql.MySQLErrName[mysql.ErrIncorrectType])
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// All the un-exported errors are defined here:
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errFunctionNotExists = terror.ClassExpression.New(mysql.ErrSpDoesNotExist, mysql.MySQLErrName[mysql.ErrSpDoesNotExist])
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errZlibZData = terror.ClassExpression.New(mysql.ErrZlibZData, mysql.MySQLErrName[mysql.ErrZlibZData])
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errZlibZBuf = terror.ClassExpression.New(mysql.ErrZlibZBuf, mysql.MySQLErrName[mysql.ErrZlibZBuf])
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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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errDeprecatedSyntaxNoReplacement = terror.ClassExpression.New(mysql.ErrWarnDeprecatedSyntaxNoReplacement, mysql.MySQLErrName[mysql.ErrWarnDeprecatedSyntaxNoReplacement])
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errBadField = terror.ClassExpression.New(mysql.ErrBadField, mysql.MySQLErrName[mysql.ErrBadField])
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errWarnAllowedPacketOverflowed = terror.ClassExpression.New(mysql.ErrWarnAllowedPacketOverflowed, mysql.MySQLErrName[mysql.ErrWarnAllowedPacketOverflowed])
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errWarnOptionIgnored = terror.ClassExpression.New(mysql.WarnOptionIgnored, mysql.MySQLErrName[mysql.WarnOptionIgnored])
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errTruncatedWrongValue = terror.ClassExpression.New(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrTruncatedWrongValue])
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errUnknownLocale = terror.ClassExpression.New(mysql.ErrUnknownLocale, mysql.MySQLErrName[mysql.ErrUnknownLocale])
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errNonUniq = terror.ClassExpression.New(mysql.ErrNonUniq, mysql.MySQLErrName[mysql.ErrNonUniq])
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// Sequence usage privilege check.
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errSequenceAccessDenied = terror.ClassExpression.New(mysql.ErrTableaccessDenied, mysql.MySQLErrName[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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