matsuu
.
@matsuu,
Aurora PostgreSQLで設定できるパラメータapg_enable_correlated_scalar_transformとapg_enable_subquery_cache。メモだ。
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Optimizing correlated subqueries in Amazon Aurora PostgreSQL | Amazon Web Services
https://aws.amazon.com/blogs/database/optimizing-correlated-subqueries-in-amazon-aurora-postgresql/
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