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Set random seed for IVFFLAT_BENCH [skip ci]

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Andrew Kane
2025-06-18 10:57:18 -07:00
parent 799cfebf70
commit bf28ed8176
2 changed files with 6 additions and 0 deletions
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4
src/ivfbuild.c
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@@ -1023,6 +1023,10 @@ ivfflatbuild(Relation heap, Relation index, IndexInfo *indexInfo)
IndexBuildResult *result; IndexBuildResult *result;
IvfflatBuildState buildstate; IvfflatBuildState buildstate;
#ifdef IVFFLAT_BENCH
SeedRandom(42);
#endif
BuildIndex(heap, index, indexInfo, &buildstate, MAIN_FORKNUM); BuildIndex(heap, index, indexInfo, &buildstate, MAIN_FORKNUM);
result = (IndexBuildResult *) palloc(sizeof(IndexBuildResult)); result = (IndexBuildResult *) palloc(sizeof(IndexBuildResult));

2
src/ivfflat.h
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@@ -73,9 +73,11 @@
#if PG_VERSION_NUM >= 150000 #if PG_VERSION_NUM >= 150000
#define RandomDouble() pg_prng_double(&pg_global_prng_state) #define RandomDouble() pg_prng_double(&pg_global_prng_state)
#define RandomInt() pg_prng_uint32(&pg_global_prng_state) #define RandomInt() pg_prng_uint32(&pg_global_prng_state)
#define SeedRandom(seed) pg_prng_seed(&pg_global_prng_state, seed)
#else #else
#define RandomDouble() (((double) random()) / MAX_RANDOM_VALUE) #define RandomDouble() (((double) random()) / MAX_RANDOM_VALUE)
#define RandomInt() random() #define RandomInt() random()
#define SeedRandom(seed) srandom(seed)
#endif #endif
/* Variables */ /* Variables */