mirror of https://github.com/citusdata/citus.git
27 lines
804 B
C
27 lines
804 B
C
/*-------------------------------------------------------------------------
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*
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* shard_pruning.h
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* Shard pruning infrastructure.
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*
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* Copyright (c) Citus Data, Inc.
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef SHARD_PRUNING_H_
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#define SHARD_PRUNING_H_
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#include "distributed/metadata_cache.h"
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#include "nodes/primnodes.h"
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#define INVALID_SHARD_INDEX -1
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/* Function declarations for shard pruning */
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extern List * PruneShards(Oid relationId, Index rangeTableId, List *whereClauseList,
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Const **partitionValueConst);
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extern bool ContainsFalseClause(List *whereClauseList);
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extern Const * TransformPartitionRestrictionValue(Var *partitionColumn,
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Const *restrictionValue,
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bool missingOk);
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#endif /* SHARD_PRUNING_H_ */
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