graphql-engine/server/src-rsr/mssql/mssql_delete_trigger.sql.shakespeare

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CREATE OR ALTER TRIGGER #{qualifiedTriggerName}
ON #{qualifiedTableName}
AFTER DELETE
server: provide an option to enable event triggers on logically replicated tables ## Description ✍️ This PR introduces a new feature to enable/disable event triggers during logical replication of table data for PostgreSQL and MS-SQL data sources. We introduce a new field `trigger_on_replication` in the `*_create_event_trigger` metadata API. By default the event triggers will not fire for logical data replication. ## Changelog ✍️ __Component__ : server __Type__: feature __Product__: community-edition ### Short Changelog Add option to enable/disable event triggers on logically replicated tables ### Related Issues ✍ https://github.com/hasura/graphql-engine/issues/8814 https://hasurahq.atlassian.net/browse/GS-252 ### Solution and Design - By default, triggers do **not** fire when the session mode is `replica` in Postgres, so if the `triggerOnReplication` is set to `true` for an event trigger we run the query `ALTER TABLE #{tableTxt} ENABLE ALWAYS TRIGGER #{triggerNameTxt};` so that the trigger fires always irrespective of the `session_replication_role` - By default, triggers do fire in case of replication in MS-SQL, so if the `triggerOnReplication` is set to `false` for an event trigger we add a clause `NOT FOR REPLICATION` to the the SQL when the trigger is created/altered, which sets the `is_not_for_replication` for the trigger as `true` and it does not fire during logical replication. ### Steps to test and verify ✍ - Run hspec integration tests for HGE ## Server checklist ✍ ### Metadata ✍ Does this PR add a new Metadata feature? - ✅ Yes - Does `export_metadata`/`replace_metadata` supports the new metadata added? - ✅ PR-URL: https://github.com/hasura/graphql-engine-mono/pull/6953 Co-authored-by: Puru Gupta <32328846+purugupta99@users.noreply.github.com> Co-authored-by: Sean Park-Ross <94021366+seanparkross@users.noreply.github.com> GitOrigin-RevId: 92731328a2bbdcad2302c829f26f9acb33c36135
2022-11-29 20:41:41 +03:00
#{replicationClause}
AS
BEGIN
DECLARE @json NVARCHAR(MAX)
SET @json = (
server: provide an option to enable event triggers on logically replicated tables ## Description ✍️ This PR introduces a new feature to enable/disable event triggers during logical replication of table data for PostgreSQL and MS-SQL data sources. We introduce a new field `trigger_on_replication` in the `*_create_event_trigger` metadata API. By default the event triggers will not fire for logical data replication. ## Changelog ✍️ __Component__ : server __Type__: feature __Product__: community-edition ### Short Changelog Add option to enable/disable event triggers on logically replicated tables ### Related Issues ✍ https://github.com/hasura/graphql-engine/issues/8814 https://hasurahq.atlassian.net/browse/GS-252 ### Solution and Design - By default, triggers do **not** fire when the session mode is `replica` in Postgres, so if the `triggerOnReplication` is set to `true` for an event trigger we run the query `ALTER TABLE #{tableTxt} ENABLE ALWAYS TRIGGER #{triggerNameTxt};` so that the trigger fires always irrespective of the `session_replication_role` - By default, triggers do fire in case of replication in MS-SQL, so if the `triggerOnReplication` is set to `false` for an event trigger we add a clause `NOT FOR REPLICATION` to the the SQL when the trigger is created/altered, which sets the `is_not_for_replication` for the trigger as `true` and it does not fire during logical replication. ### Steps to test and verify ✍ - Run hspec integration tests for HGE ## Server checklist ✍ ### Metadata ✍ Does this PR add a new Metadata feature? - ✅ Yes - Does `export_metadata`/`replace_metadata` supports the new metadata added? - ✅ PR-URL: https://github.com/hasura/graphql-engine-mono/pull/6953 Co-authored-by: Puru Gupta <32328846+purugupta99@users.noreply.github.com> Co-authored-by: Sean Park-Ross <94021366+seanparkross@users.noreply.github.com> GitOrigin-RevId: 92731328a2bbdcad2302c829f26f9acb33c36135
2022-11-29 20:41:41 +03:00
SELECT
#{deliveryColsSQLExpression}, NULL as [payload.data.new],
'#{operation}' as [payload.op],
'#{schemaName}' as [schema_name],
'#{tableName}' as [table_name],
'#{triggerNameText}' as [trigger_name]
FROM DELETED
FOR JSON PATH, INCLUDE_NULL_VALUES
)
insert into hdb_catalog.event_log (schema_name,table_name,trigger_name,payload)
select * from OPENJSON (@json)
WITH(
schema_name NVARCHAR(MAX) '$.schema_name',
table_name NVARCHAR(MAX) '$.table_name',
trigger_name NVARCHAR(MAX) '$.trigger_name',
[payload] NVARCHAR(MAX) AS JSON
)
END;