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adv_sample_user_queries_plus [2021/05/15 12:18] – index optimisation danieladv_sample_user_queries_plus [2021/05/15 12:21] (current) daniel
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-==== Advanced examples of SQL queries ====+ ==== Advanced examples of SQL queries ====
  
 === Messages sent, with senders or recipients from a specific domain, but not tagged with a specified tag: === === Messages sent, with senders or recipients from a specific domain, but not tagged with a specified tag: ===
Line 34: Line 34:
 </code> </code>
 ---- ----
 +
 +=== Messages from the thread with the most unprocessed messages ===
 +<code sql>
 +select mail_id from mail where thread_id in
 +(select thread_id
 +  from mail
 +   where status&32=0 and status&16=0
 +     and thread_id is not null
 +   group by thread_id
 +   order by count(*) desc
 +   limit 1
 +)
 +</code>
  
 See the [[http://www.manitou-mail.org/doc/mdx/database-schema.html|database schema documentation]] for definitions of tables and columns. See the [[http://www.manitou-mail.org/doc/mdx/database-schema.html|database schema documentation]] for definitions of tables and columns.
  
adv_sample_user_queries_plus.txt · Last modified: 2021/05/15 12:21 by daniel