81 lines
2.4 KiB
Go
81 lines
2.4 KiB
Go
// Copyright 2023 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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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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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"time"
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"github.com/pingcap/tidb/pkg/errctx"
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"github.com/pingcap/tidb/pkg/expression/context"
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"github.com/pingcap/tidb/pkg/expression/contextopt"
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"github.com/pingcap/tidb/pkg/parser/mysql"
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"github.com/pingcap/tidb/pkg/sessionctx/stmtctx"
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"github.com/pingcap/tidb/pkg/types"
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"github.com/pingcap/tidb/pkg/util/intest"
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)
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// EvalContext is used to evaluate an expression
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type EvalContext = context.EvalContext
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// BuildContext is used to build an expression
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type BuildContext = context.BuildContext
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// OptionalEvalPropKey is an alias of context.OptionalEvalPropKey
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type OptionalEvalPropKey = context.OptionalEvalPropKey
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// OptionalEvalPropProvider is an alias of context.OptionalEvalPropProvider
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type OptionalEvalPropProvider = context.OptionalEvalPropProvider
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// OptionalEvalPropKeySet is an alias of context.OptionalEvalPropKeySet
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type OptionalEvalPropKeySet = context.OptionalEvalPropKeySet
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// OptionalEvalPropDesc is an alias of context.OptionalEvalPropDesc
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type OptionalEvalPropDesc = context.OptionalEvalPropDesc
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func sqlMode(ctx EvalContext) mysql.SQLMode {
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return ctx.SQLMode()
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}
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func typeCtx(ctx EvalContext) types.Context {
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return ctx.TypeCtx()
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}
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func errCtx(ctx EvalContext) errctx.Context {
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return ctx.ErrCtx()
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}
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func location(ctx EvalContext) (loc *time.Location) {
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loc = ctx.Location()
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intest.AssertFunc(func() bool {
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tc := ctx.TypeCtx()
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intest.Assert(tc.Location() == loc)
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if ctx.GetOptionalPropSet().Contains(context.OptPropSessionVars) {
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vars, err := contextopt.SessionVarsPropReader{}.GetSessionVars(ctx)
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intest.AssertNoError(err)
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intest.Assert(vars.Location() == loc)
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}
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return true
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})
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return
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}
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func warningCount(ctx EvalContext) int {
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return ctx.WarningCount()
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}
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func truncateWarnings(ctx EvalContext, start int) []stmtctx.SQLWarn {
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return ctx.TruncateWarnings(start)
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}
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