On Tue, Jul 03, 2018 at 03:49:44PM +0900, Amit Langote wrote: > I forgot that expand_partitioned_rtentry() will recursively call itself if > a partition is itself a partitioned table, in which case the above > code helps.
Actually look at the coverage reports: https://coverage.postgresql.org/src/backend/optimizer/prep/prepunion.c.gcov.html 1742 : /* 1743 : * If the partitioned table has no partitions or all the partitions are 1744 : * temporary tables from other backends, treat this as non-inheritance 1745 : * case. 1746 : */ 1747 4920 : if (!has_child) 1748 0 : parentrte->inh = false; 1749 4920 : } expand_partitioned_rtentry() never disables this flag on recursive calls with a multi-level tree. Could it be possible to get a test which closes the gap? -- Michael
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