diff options
Diffstat (limited to 'src/backend/commands/analyze.c')
| -rw-r--r-- | src/backend/commands/analyze.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/backend/commands/analyze.c b/src/backend/commands/analyze.c index 4928702aec..cd77907fc7 100644 --- a/src/backend/commands/analyze.c +++ b/src/backend/commands/analyze.c @@ -38,6 +38,7 @@ #include "commands/progress.h" #include "commands/tablecmds.h" #include "commands/vacuum.h" +#include "common/pg_prng.h" #include "executor/executor.h" #include "foreign/fdwapi.h" #include "miscadmin.h" @@ -1140,7 +1141,7 @@ acquire_sample_rows(Relation onerel, int elevel, double liverows = 0; /* # live rows seen */ double deadrows = 0; /* # dead rows seen */ double rowstoskip = -1; /* -1 means not set yet */ - long randseed; /* Seed for block sampler(s) */ + uint32 randseed; /* Seed for block sampler(s) */ BlockNumber totalblocks; TransactionId OldestXmin; BlockSamplerData bs; @@ -1162,7 +1163,7 @@ acquire_sample_rows(Relation onerel, int elevel, OldestXmin = GetOldestNonRemovableTransactionId(onerel); /* Prepare for sampling block numbers */ - randseed = random(); + randseed = pg_prng_uint32(&pg_global_prng_state); nblocks = BlockSampler_Init(&bs, totalblocks, targrows, randseed); #ifdef USE_PREFETCH @@ -1279,7 +1280,7 @@ acquire_sample_rows(Relation onerel, int elevel, * Found a suitable tuple, so save it, replacing one old * tuple at random */ - int k = (int) (targrows * sampler_random_fract(rstate.randstate)); + int k = (int) (targrows * sampler_random_fract(&rstate.randstate)); Assert(k >= 0 && k < targrows); heap_freetuple(rows[k]); |