diff options
Diffstat (limited to 'src/backend/lib/hyperloglog.c')
| -rw-r--r-- | src/backend/lib/hyperloglog.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/src/backend/lib/hyperloglog.c b/src/backend/lib/hyperloglog.c index fa7f05a2411..6d246ce77bc 100644 --- a/src/backend/lib/hyperloglog.c +++ b/src/backend/lib/hyperloglog.c @@ -221,28 +221,6 @@ estimateHyperLogLog(hyperLogLogState *cState) } /* - * Merges the estimate from one HyperLogLog state to another, returning the - * estimate of their union. - * - * The number of registers in each must match. - */ -void -mergeHyperLogLog(hyperLogLogState *cState, const hyperLogLogState *oState) -{ - int r; - - if (cState->nRegisters != oState->nRegisters) - elog(ERROR, "number of registers mismatch: %zu != %zu", - cState->nRegisters, oState->nRegisters); - - for (r = 0; r < cState->nRegisters; ++r) - { - cState->hashesArr[r] = Max(cState->hashesArr[r], oState->hashesArr[r]); - } -} - - -/* * Worker for addHyperLogLog(). * * Calculates the position of the first set bit in first b bits of x argument |