geqo

Enables or disables genetic query optimization. This is on by default. It is usually best not to turn it off in production; the geqo_threshold variable provides more granular control of GEQO.

English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.

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7.4 8.0 8.1 8.2 8.3 8.4 9.0 9.1 9.2 9.3 9.4 9.5 9.6 10 11 12 13 14 15 16 17 18 19 20

boot val: on
category: Query Tuning / Genetic Query Optimizer
context: user
documented: true
enumvals: Unknown
extra desc: This algorithm attempts to do planning without exhaustive searching.
lang: en
max val: Unknown
metadata version: 18
min val: Unknown
name: geqo
short desc: Enables genetic query optimization.
source: pg-settings-source-snapshot
unit: Unknown
vartype: bool

Definition PG 18

Enables or disables genetic query optimization. This is on by default. It is usually best not to turn it off in production; the geqo_threshold variable provides more granular control of GEQO.

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Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:627ab6d0a78bcd54052d10f301ded0d6f709fe0b97097987ce38bad3c4d17d59

Text language: en · wiki-repair-20261023:627ab6d0a78bcd54052d10f301ded0d6f709fe0b97097987ce38bad3c4d17d59