mirror of https://github.com/citusdata/citus.git
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*-------------------------------------------------------------------------
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*
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* shard_split.h
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*
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* API for shard splits.
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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 SHARDSPLIT_H_
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#define SHARDSPLIT_H_
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/* Split Modes supported by Shard Split API */
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typedef enum SplitMode
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{
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BLOCKING_SPLIT = 0,
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NON_BLOCKING_SPLIT = 1,
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AUTO_SPLIT = 2
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} SplitMode;
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/*
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* User Scenario calling Split Shard API.
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* The 'SplitOperation' type is used to customize info/error messages based on user scenario.
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*/
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typedef enum SplitOperation
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{
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SHARD_SPLIT_API = 0,
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ISOLATE_TENANT_TO_NEW_SHARD
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} SplitOperation;
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typedef enum SplitArtifactType
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{
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SPLIT_CHILD_SHARD = 0,
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SPLIT_DUMMY_SHARD = 1,
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SPLIT_PUBLICATION = 2,
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SPLIT_SUBSCRIPTION = 3,
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SPLIT_REPLICATION_SLOT = 4
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} SplitArtifactType;
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/*
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* SplitShard API to split a given shard (or shard group) using split mode and
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* specified split points to a set of destination nodes.
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*/
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extern void SplitShard(SplitMode splitMode,
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SplitOperation splitOperation,
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uint64 shardIdToSplit,
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List *shardSplitPointsList,
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List *nodeIdsForPlacementList);
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extern void DropShardList(List *shardIntervalList);
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extern SplitMode LookupSplitMode(Oid shardTransferModeOid);
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extern StringInfo CreateArtifactEntryCommand(uint32 operationId, SplitArtifactType splitArtifact, char* artifactName);
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extern StringInfo CreateDeleteArtifactCommand(SplitArtifactType splitArtifact, char* artifactName);
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#endif /* SHARDSPLIT_H_ */
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