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6c2e734f0a
This change causes a multi-step update sequence to behave exactly as if the updates had been commanded one at a time, including updating the "requires" dependencies afresh at each step. The initial implementation took the shortcut of examining only the final target version's "requires" and changing the catalog entry but once. But on reflection that's a bad idea, since it could lead to executing old update scripts under conditions different than they were designed/tested for. Better to expend a few extra cycles and avoid any surprises. In the same spirit, if a CREATE EXTENSION FROM operation involves applying a series of update files, it will act as though the CREATE had first been done using the initial script's target version and then the additional scripts were invoked with ALTER EXTENSION UPDATE. I also removed the restriction about not changing encoding in secondary control files. The new rule is that a script is assumed to be in whatever encoding the control file(s) specify for its target version. Since this reimplementation causes us to read each intermediate version's control file, there's no longer any uncertainty about which encoding setting would get applied. |
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| postmaster | ||
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