Victor Piryns (pivi)
41e3b1cdc3
Description: Adding missing indexes to support most of the searches on survey's models to avoid seq.scans and non-selective index scans. Also adding indexes that are inverse to One2many, or dependencies of compute fields (as those if not indexes will trigger a seq.scan when the ORM resolves the dependency tree). If a domain had multiple criteria, only fields with the highest selectivity were indexed. This shall also reduce the amount of tuples returned, reducing IO access and cache trashing. Cardinality: survey_survey -> X (reference quantity) survey_question -> 10X survey_question_answer -> 50X survey_user_input -> 330X survey_user_input_line -> 7200X Reference: task-3724844 closes odoo/odoo#158136 Signed-off-by: Olivier Dony (odo) <odo@odoo.com>
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