diff options
Diffstat (limited to 'contrib/tsm_system_rows/tsm_system_rows.c')
| -rw-r--r-- | contrib/tsm_system_rows/tsm_system_rows.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/contrib/tsm_system_rows/tsm_system_rows.c b/contrib/tsm_system_rows/tsm_system_rows.c index 49966129024..1a46d4b143a 100644 --- a/contrib/tsm_system_rows/tsm_system_rows.c +++ b/contrib/tsm_system_rows/tsm_system_rows.c @@ -69,7 +69,7 @@ static BlockNumber system_rows_nextsampleblock(SampleScanState *node, BlockNumbe static OffsetNumber system_rows_nextsampletuple(SampleScanState *node, BlockNumber blockno, OffsetNumber maxoffset); -static uint32 random_relative_prime(uint32 n, SamplerRandomState randstate); +static uint32 random_relative_prime(uint32 n, pg_prng_state *randstate); /* @@ -213,25 +213,25 @@ system_rows_nextsampleblock(SampleScanState *node, BlockNumber nblocks) if (sampler->step == 0) { /* Initialize now that we have scan descriptor */ - SamplerRandomState randstate; + pg_prng_state randstate; /* If relation is empty, there's nothing to scan */ if (nblocks == 0) return InvalidBlockNumber; /* We only need an RNG during this setup step */ - sampler_random_init_state(sampler->seed, randstate); + sampler_random_init_state(sampler->seed, &randstate); /* Compute nblocks/firstblock/step only once per query */ sampler->nblocks = nblocks; /* Choose random starting block within the relation */ /* (Actually this is the predecessor of the first block visited) */ - sampler->firstblock = sampler_random_fract(randstate) * + sampler->firstblock = sampler_random_fract(&randstate) * sampler->nblocks; /* Find relative prime as step size for linear probing */ - sampler->step = random_relative_prime(sampler->nblocks, randstate); + sampler->step = random_relative_prime(sampler->nblocks, &randstate); } /* Reinitialize lb */ @@ -317,7 +317,7 @@ gcd(uint32 a, uint32 b) * (else return 1). */ static uint32 -random_relative_prime(uint32 n, SamplerRandomState randstate) +random_relative_prime(uint32 n, pg_prng_state *randstate) { uint32 r; |