mirror of https://github.com/citusdata/citus.git
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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* multi_router_executor.h
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*
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* Function declarations used in executing distributed execution
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* plan.
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*
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*/
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#ifndef MULTI_ROUTER_EXECUTOR_H_
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#define MULTI_ROUTER_EXECUTOR_H_
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#include "c.h"
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#include "access/sdir.h"
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#include "distributed/multi_physical_planner.h"
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#include "executor/execdesc.h"
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#include "nodes/pg_list.h"
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/*
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* XactShardConnSet keeps track of the mapping from shard to the set of nodes
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* involved in multi-statement transaction-wrapped modifications of that shard.
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* This information is used to mark placements inactive at transaction close.
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*/
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typedef struct XactShardConnSet
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{
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uint64 shardId; /* identifier of the shard that was modified */
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List *connectionEntryList; /* NodeConnectionEntry pointers to participating nodes */
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} XactShardConnSet;
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/* Config variables managed via guc.c */
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extern bool AllModificationsCommutative;
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extern void RouterExecutorStart(QueryDesc *queryDesc, int eflags, Task *task);
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extern void RouterExecutorRun(QueryDesc *queryDesc, ScanDirection direction, long count);
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extern void RouterExecutorFinish(QueryDesc *queryDesc);
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extern void RouterExecutorEnd(QueryDesc *queryDesc);
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extern void RegisterRouterExecutorXactCallbacks(void);
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#endif /* MULTI_ROUTER_EXECUTOR_H_ */
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