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如何检查postgres是否同时索引？

[英]How to check if postgres is indexing concurrently?

原文 2020-01-22 05:44:51 9 1 ruby-on-rails/ postgresql/ indexing

I have a written this migration to index concurrently:我同时写了这个迁移到索引：

add_index :table_name, %i[field1 field2], algorithm: :concurrently

How do I check if indexing is happening concurrently for new records insertion and update operation?如何检查新记录插入和更新操作的索引是否同时发生？

1 个解决方案

Any currently executed statements are visible in pg_stat_activity.query column.任何当前执行的语句都在pg_stat_activity.query列中可见。 So you can verify it there.所以你可以在那里验证它。 More.更多的。 This type of index is visible in metadata, but it is flagged as INVALID until the creating is done.这种类型的索引在元数据中可见，但在创建完成之前它会被标记为INVALID 。

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