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Changes between Initial Version and Version 1 of Ticket #5563, comment 18

initial	v1
1	1	> If $wpdb->signups is already defined in bp_core_signups_table_exists() then we know for sure the table exists so return true (without the additional database query).
2	2
3		The problem is `$wpdb->signups` is not defined in `bp_core_signups_table_exists()`.
	3	The problem is `$wpdb->signups` is not defined in `bp_core_signups_table_exists()`. It doesn't exist on single-site for me where I've done my testing.
4	4
5	5	However, a check is done for `$wpdb->signups` in `bp_core_signups_id_column_exists()`. This is where the function is failing since `$wpdb->signups` doesn't exist.