mirror of https://github.com/citusdata/citus.git
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* relay_utility.h
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*
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* Header and type declarations that extend relation, index and constraint names
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* with the appropriate shard identifiers.
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*
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* Copyright (c) 2012-2016, Citus Data, Inc.
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*
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* $Id:$
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef RELAY_UTILITY_H
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#define RELAY_UTILITY_H
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#include "fmgr.h"
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#include "lib/stringinfo.h"
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#include "nodes/nodes.h"
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/* Shard name and identifier related defines */
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#define SHARD_NAME_SEPARATOR '_'
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#define INVALID_SHARD_ID 0
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#define INVALID_PLACEMENT_ID 0
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/*
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* RelayFileState represents last known states of shards on a given node. We
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* currently only have shards in finalized or cached state; and set this state
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* after shards are sucessfully staged or cached.
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*/
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typedef enum
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{
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FILE_INVALID_FIRST = 0,
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FILE_FINALIZED = 1,
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FILE_CACHED = 2,
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FILE_INACTIVE = 3,
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FILE_TO_DELETE = 4
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} RelayFileState;
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/* Function declarations to extend names in DDL commands */
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extern void RelayEventExtendNames(Node *parseTree, char *schemaName, uint64 shardId);
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extern void AppendShardIdToName(char **name, uint64 shardId);
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#endif /* RELAY_UTILITY_H */
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