Sergei Golubchik 62decb5e8b MDEV-12459 post-review fixes ...

* IS_USER_TEMP_TABLE() was misleading, name didn't match the code
* list of temp tables was rescanned number_of_databases times
* some temporary tables were not shown (from nonexistent databases)
* some temporary tables were shown more than once (e.g. after self-joins)
* sys.table_exists() - avoid querying I_S twice
* fix handling of temporary MERGE tables - it's pointless to fully open
  them, they're not in thd->temporary_tables, so they simply fail to
  open and are skipped. Relax the assertion instead.

2023-08-11 19:36:22 +02:00

319 KiB

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