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The buildfarm occasionally shows a variant row order in the output of this UPDATE ... RETURNING, implying that the preceding INSERT dropped one of the rows into some free space within the table rather than appending them all at the end. It's not entirely clear why that happens some times and not other times, but we have established that it's affected by concurrent activity in other databases of the cluster. In any case, the behavior is not wrong; the test is at fault for presuming that a seqscan will give deterministic row ordering. Add an ORDER BY atop the update to stop the buildfarm noise. The buildfarm seems to have shown this only in v18 and master branches, but just in case the cause is older, back-patch to all supported branches. Discussion: https://postgr.es/m/3866274.1770743162@sss.pgh.pa.us Backpatch-through: 14 |
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| postgres_fdw--1.0--1.1.sql | ||
| postgres_fdw--1.0.sql | ||
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