Files
tidb/pkg/table/contextimpl/table.go

54 lines
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// Copyright 2024 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package contextimpl
import (
exprctx "github.com/pingcap/tidb/pkg/expression/context"
"github.com/pingcap/tidb/pkg/parser/model"
"github.com/pingcap/tidb/pkg/sessionctx"
"github.com/pingcap/tidb/pkg/sessionctx/variable"
"github.com/pingcap/tidb/pkg/table/context"
"github.com/pingcap/tidb/pkg/util/tableutil"
)
var _ context.MutateContext = &TableContextImpl{}
var _ context.AllocatorContext = &TableContextImpl{}
// TableContextImpl is used to provide context for table operations.
type TableContextImpl struct {
sessionctx.Context
exprCtx exprctx.BuildContext
}
// NewTableContextImpl creates a new TableContextImpl.
func NewTableContextImpl(sctx sessionctx.Context, exprCtx exprctx.BuildContext) *TableContextImpl {
return &TableContextImpl{Context: sctx, exprCtx: exprCtx}
}
// TxnRecordTempTable record the temporary table to the current transaction.
// This method will be called when the temporary table is modified in the transaction.
func (ctx *TableContextImpl) TxnRecordTempTable(tbl *model.TableInfo) tableutil.TempTable {
return ctx.vars().GetTemporaryTable(tbl)
}
// GetExprCtx returns the ExprContext
func (ctx *TableContextImpl) GetExprCtx() exprctx.BuildContext {
return ctx.exprCtx
}
func (ctx *TableContextImpl) vars() *variable.SessionVars {
return ctx.Context.GetSessionVars()
}