32 lines
1.2 KiB
Go
32 lines
1.2 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 coreusage
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import (
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"github.com/pingcap/tidb/pkg/expression"
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"github.com/pingcap/tidb/pkg/expression/aggregation"
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)
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// WrapCastForAggFuncs wraps the args of an aggregate function with a cast function.
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// If the mode is FinalMode or Partial2Mode, we do not need to wrap cast upon the args,
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// since the types of the args are already the expected.
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func WrapCastForAggFuncs(sctx expression.BuildContext, aggFuncs []*aggregation.AggFuncDesc) {
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for i := range aggFuncs {
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if aggFuncs[i].Mode != aggregation.FinalMode && aggFuncs[i].Mode != aggregation.Partial2Mode {
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aggFuncs[i].WrapCastForAggArgs(sctx)
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}
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}
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}
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