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b5564572bc
This implementation increases parallel write capabilities of the eventstore. Please have a look at the technical advisories: [05](https://zitadel.com/docs/support/advisory/a10005) and [06](https://zitadel.com/docs/support/advisory/a10006). The implementation of eventstore.push is rewritten and stored events are migrated to a new table `eventstore.events2`. If you are using cockroach: make sure that the database user of ZITADEL has `VIEWACTIVITY` grant. This is used to query events.
30 lines
648 B
SQL
30 lines
648 B
SQL
with existing as (
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SELECT
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instance_id
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, aggregate_type
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, aggregate_id
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, MAX("sequence") "sequence"
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FROM
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eventstore.events2 existing
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WHERE
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%s
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GROUP BY
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instance_id
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, aggregate_type
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, aggregate_id
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) SELECT
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e.instance_id
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, e.owner
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, e.aggregate_type
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, e.aggregate_id
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, e.sequence
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FROM
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eventstore.events2 e
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JOIN
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existing
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ON
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e.instance_id = existing.instance_id
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AND e.aggregate_type = existing.aggregate_type
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AND e.aggregate_id = existing.aggregate_id
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AND e.sequence = existing.sequence
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FOR UPDATE; |