Mon, 17 Jul 2023 12:16:12 +0200 wenzelm more complete check;
Mon, 17 Jul 2023 12:15:06 +0200 wenzelm clarified signature: more specific exists_table --- avoid retrieving full list beforehand;
Mon, 17 Jul 2023 11:39:32 +0200 wenzelm reuse database_server connection;
Mon, 17 Jul 2023 11:20:28 +0200 wenzelm more informative trace;
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