51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
// Copyright 2024 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 rule
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// Note: The order of flags is same as the order of optRule in the list.
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// Do not mess up the order.
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const (
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FlagGcSubstitute uint64 = 1 << iota
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FlagPruneColumns
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FlagStabilizeResults
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FlagBuildKeyInfo
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FlagDecorrelate
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FlagSemiJoinRewrite
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FlagEliminateAgg
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FlagSkewDistinctAgg
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FlagEliminateProjection
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FlagMaxMinEliminate
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FlagConstantPropagation
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FlagConvertOuterToInnerJoin
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FlagPredicatePushDown
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FlagEliminateOuterJoin
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FlagPartitionProcessor
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FlagCollectPredicateColumnsPoint
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FlagPushDownAgg
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FlagDeriveTopNFromWindow
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FlagPredicateSimplification
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FlagPushDownTopN
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FlagSyncWaitStatsLoadPoint
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FlagJoinReOrder
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FlagPruneColumnsAgain
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FlagPushDownSequence
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FlagResolveExpand
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)
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func setPredicatePushDownFlag(u uint64) uint64 {
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u |= FlagPredicatePushDown
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return u
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}
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