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Performance: selector2sql for operator "contains one" of tags generates heavy CPU load on database server.

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Rolf Schmidt 2020-03-12 14:45:10 +01:00 committed by Thorsten Eckel
parent 5bfe289811
commit 355b6d5f84
1 changed files with 8 additions and 14 deletions
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22
app/models/ticket.rb
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@ -723,20 +723,14 @@ condition example
bind_params.push selector['value'].count
bind_params.push selector['value']
elsif selector['operator'] == 'contains one' && attributes[0] == 'ticket' && attributes[1] == 'tags'
query += "1 <= (
SELECT
COUNT(*)
FROM
tag_objects,
tag_items,
tags
WHERE
tickets.id = tags.o_id AND
tag_objects.id = tags.tag_object_id AND
tag_objects.name = 'Ticket' AND
tag_items.id = tags.tag_item_id AND
tag_items.name IN (?)
)"
tables += ', tag_objects, tag_items, tags'
query += "
tickets.id = tags.o_id AND
tag_objects.id = tags.tag_object_id AND
tag_objects.name = 'Ticket' AND
tag_items.id = tags.tag_item_id AND
tag_items.name IN (?)"
bind_params.push selector['value']
elsif selector['operator'] == 'contains all not' && attributes[0] == 'ticket' && attributes[1] == 'tags'
query += "0 = (