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| #ifndef NODEHASH_H |
| #define NODEHASH_H |
|
|
| #include "access/parallel.h" |
| #include "nodes/execnodes.h" |
|
|
| struct SharedHashJoinBatch; |
|
|
| extern HashState *ExecInitHash(Hash *node, EState *estate, int eflags); |
| extern Node *MultiExecHash(HashState *node); |
| extern void ExecEndHash(HashState *node); |
| extern void ExecReScanHash(HashState *node); |
|
|
| extern HashJoinTable ExecHashTableCreate(HashState *state, List *hashOperators, List *hashCollations, |
| bool keepNulls); |
| extern void ExecParallelHashTableAlloc(HashJoinTable hashtable, |
| int batchno); |
| extern void ExecHashTableDestroy(HashJoinTable hashtable); |
| extern void ExecHashTableDetach(HashJoinTable hashtable); |
| extern void ExecHashTableDetachBatch(HashJoinTable hashtable); |
| extern void ExecParallelHashTableSetCurrentBatch(HashJoinTable hashtable, |
| int batchno); |
|
|
| extern void ExecHashTableInsert(HashJoinTable hashtable, |
| TupleTableSlot *slot, |
| uint32 hashvalue); |
| extern void ExecParallelHashTableInsert(HashJoinTable hashtable, |
| TupleTableSlot *slot, |
| uint32 hashvalue); |
| extern void ExecParallelHashTableInsertCurrentBatch(HashJoinTable hashtable, |
| TupleTableSlot *slot, |
| uint32 hashvalue); |
| extern bool ExecHashGetHashValue(HashJoinTable hashtable, |
| ExprContext *econtext, |
| List *hashkeys, |
| bool outer_tuple, |
| bool keep_nulls, |
| uint32 *hashvalue); |
| extern void ExecHashGetBucketAndBatch(HashJoinTable hashtable, |
| uint32 hashvalue, |
| int *bucketno, |
| int *batchno); |
| extern bool ExecScanHashBucket(HashJoinState *hjstate, ExprContext *econtext); |
| extern bool ExecParallelScanHashBucket(HashJoinState *hjstate, ExprContext *econtext); |
| extern void ExecPrepHashTableForUnmatched(HashJoinState *hjstate); |
| extern bool ExecParallelPrepHashTableForUnmatched(HashJoinState *hjstate); |
| extern bool ExecScanHashTableForUnmatched(HashJoinState *hjstate, |
| ExprContext *econtext); |
| extern bool ExecParallelScanHashTableForUnmatched(HashJoinState *hjstate, |
| ExprContext *econtext); |
| extern void ExecHashTableReset(HashJoinTable hashtable); |
| extern void ExecHashTableResetMatchFlags(HashJoinTable hashtable); |
| extern void ExecChooseHashTableSize(double ntuples, int tupwidth, bool useskew, |
| bool try_combined_hash_mem, |
| int parallel_workers, |
| size_t *space_allowed, |
| int *numbuckets, |
| int *numbatches, |
| int *num_skew_mcvs); |
| extern int ExecHashGetSkewBucket(HashJoinTable hashtable, uint32 hashvalue); |
| extern void ExecHashEstimate(HashState *node, ParallelContext *pcxt); |
| extern void ExecHashInitializeDSM(HashState *node, ParallelContext *pcxt); |
| extern void ExecHashInitializeWorker(HashState *node, ParallelWorkerContext *pwcxt); |
| extern void ExecHashRetrieveInstrumentation(HashState *node); |
| extern void ExecShutdownHash(HashState *node); |
| extern void ExecHashAccumInstrumentation(HashInstrumentation *instrument, |
| HashJoinTable hashtable); |
|
|
| #endif |
|
|
