MDEV-40237: Partition info nullptr dereference#5366
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This pull request introduces a null check for thd->lex when initializing the name resolution context in partition_info::vers_fix_field_list. The review feedback correctly identifies that thd->lex->current_select could also be null, which would still result in a null pointer dereference. It is recommended to update the check to ensure both pointers are valid before accessing the context.
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thd->lex is null in InnoDB purge thd. The Item_field can take a NULL context as a pointer for resolving field names.
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gkodinov
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thd->lex is null in InnoDB purge thd. The Item_field can take a NULL context as a pointer for resolving field names.