343c2a865b
If pg_extension_config_dump() is executed again for a table already listed in the extension's extconfig, the code was blindly making a new array entry. This does not seem useful. Fix it to replace the existing array entry instead, so that it's possible for extension update scripts to alter the filter conditions for configuration tables. In addition, teach ALTER EXTENSION DROP TABLE to check for an extconfig entry for the target table, and remove it if present. This is not a 100% solution because it's allowed for an extension update script to just summarily DROP a member table, and that code path doesn't go through ExecAlterExtensionContentsStmt. We could probably make that case clean things up if we had to, but it would involve sticking a very ugly wart somewhere in the guts of dependency.c. Since on the whole it seems quite unlikely that extension updates would want to remove pre-existing configuration tables, making the case possible with an explicit command seems sufficient. Per bug #7756 from Regina Obe. Back-patch to 9.1 where extensions were introduced. |
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