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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.
SQL initialisation
The sql-files in this folder initialize the ZITADEL database and user. These objects need to exist before ZITADEL is able to set and start up.
files
- 01_user.sql: create the user zitadel uses to connect to the database
- 02_database.sql: create the database for zitadel
- 03_grant_user.sql: grants the user created before to have full access to its database. The user needs full access to the database because zitadel makes ddl/dml on runtime
- 04_eventstore.sql: creates the schema needed for eventsourcing
- 05_projections.sql: creates the schema needed to read the data
- 06_system.sql: creates the schema needed for ZITADEL itself
- 07_encryption_keys_table.sql: creates the table for encryption keys (for event data)
- files 08_enable_hash_sharded_indexes.sql and 09_events_table.sql must run in the same session
- 08_enable_hash_sharded_indexes.sql enables the hash sharded index feature for this session
- 09_events_table.sql creates the table for eventsourcing