stat_progress_copy . tuples_skipped . In COPY FROM , allow easy specification that all columns should be forced null or not null (Zhang Mingli) § Allow partitioned tables to have identity columns (Ashutosh Bapat) § Allow exclusion constraints
readme file . Percentile Calculations # Finding an exact percentile over a large number of rows can be prohibitively expensive, because all rows must be transferred to the coordinator for final sorting and processing. Finding an approximation
stat_clear_snapshot() to discard statistics snapshots collected during the current transaction (Tom) The first request for statistics in a transaction takes a statistics snapshot that does not change during the transaction. This function allows
Соглашаюсь с условиями обработки персональных данных