diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c index 019fcaaa36f23296e9ca1482f00cf839574e238a..a367421f82b6550f16477ff089f00ab58be16136 100644 --- a/src/backend/utils/adt/int.c +++ b/src/backend/utils/adt/int.c @@ -1382,6 +1382,10 @@ generate_series_step_int4(PG_FUNCTION_ARGS) /* increment current in preparation for next iteration */ fctx->current += fctx->step; + /* if next-value computation overflows, this is the final result */ + if (SAMESIGN(result, fctx->step) && !SAMESIGN(result, fctx->current)) + fctx->step = 0; + /* do when there is more left to send */ SRF_RETURN_NEXT(funcctx, Int32GetDatum(result)); } diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c index 451916480cd2b094441346f0274dd1721d885541..2e74482979effaf0eb910346e0be1720b7b86438 100644 --- a/src/backend/utils/adt/int8.c +++ b/src/backend/utils/adt/int8.c @@ -1410,6 +1410,10 @@ generate_series_step_int8(PG_FUNCTION_ARGS) /* increment current in preparation for next iteration */ fctx->current += fctx->step; + /* if next-value computation overflows, this is the final result */ + if (SAMESIGN(result, fctx->step) && !SAMESIGN(result, fctx->current)) + fctx->step = 0; + /* do when there is more left to send */ SRF_RETURN_NEXT(funcctx, Int64GetDatum(result)); }