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# Which Problems Are Solved Systems running with PostgreSQL before Zitadel v2.39 are likely to have a wrong type for the `in_tx_order` column in the `eventstore.event2` table. The migration at the time used the `event_sequence` as default value without typecast, which results in a `bigint` type for that column. However, when creating the table from scratch, we explicitly specify the type to be `integer`. Starting from Zitadel v2.67 we use a Pl/PgSQL function to push events. The function requires the types from `eventstore.events2` to the same as the `select` destinations used in the function. In the function `in_tx_order` is also expected to by of `integer` type. CochroachDB systems are not affected because `bigint` is an alias to the `int` type. In other words, CockroachDB uses `int8` when specifying type `int`. Therefore the types already match. # How the Problems Are Solved Retrieve the actual column type currently in use. A template is used to assign the type to the `ordinality` column returned as `in_tx_order`. # Additional Changes - Detailed logging on migration failure # Additional Context - Closes #9180 --------- Co-authored-by: Silvan <27845747+adlerhurst@users.noreply.github.com> (cherry picked from commit bcc6a689fab919f480694be254905d18d48ce565)
93 lines
2.4 KiB
PL/PgSQL
93 lines
2.4 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION eventstore.latest_aggregate_state(
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instance_id TEXT
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, aggregate_type TEXT
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, aggregate_id TEXT
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, sequence OUT BIGINT
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, owner OUT TEXT
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)
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LANGUAGE 'plpgsql'
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STABLE PARALLEL SAFE
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AS $$
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BEGIN
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SELECT
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COALESCE(e.sequence, 0) AS sequence
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, e.owner
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INTO
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sequence
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, owner
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FROM
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eventstore.events2 e
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WHERE
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e.instance_id = $1
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AND e.aggregate_type = $2
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AND e.aggregate_id = $3
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ORDER BY
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e.sequence DESC
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LIMIT 1;
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RETURN;
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END;
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$$;
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CREATE OR REPLACE FUNCTION eventstore.commands_to_events(commands eventstore.command[])
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RETURNS SETOF eventstore.events2
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LANGUAGE 'plpgsql'
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STABLE PARALLEL SAFE
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ROWS 10
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AS $$
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DECLARE
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"aggregate" RECORD;
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current_sequence BIGINT;
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current_owner TEXT;
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BEGIN
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FOR "aggregate" IN
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SELECT DISTINCT
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instance_id
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, aggregate_type
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, aggregate_id
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FROM UNNEST(commands)
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LOOP
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SELECT
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*
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INTO
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current_sequence
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, current_owner
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FROM eventstore.latest_aggregate_state(
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"aggregate".instance_id
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, "aggregate".aggregate_type
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, "aggregate".aggregate_id
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);
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RETURN QUERY
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SELECT
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c.instance_id
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, c.aggregate_type
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, c.aggregate_id
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, c.command_type -- AS event_type
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, COALESCE(current_sequence, 0) + ROW_NUMBER() OVER () -- AS sequence
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, c.revision
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, NOW() -- AS created_at
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, c.payload
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, c.creator
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, COALESCE(current_owner, c.owner) -- AS owner
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, EXTRACT(EPOCH FROM NOW()) -- AS position
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, c.ordinality::{{ .InTxOrderType }} -- AS in_tx_order
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FROM
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UNNEST(commands) WITH ORDINALITY AS c
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WHERE
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c.instance_id = aggregate.instance_id
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AND c.aggregate_type = aggregate.aggregate_type
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AND c.aggregate_id = aggregate.aggregate_id;
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END LOOP;
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RETURN;
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END;
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$$;
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CREATE OR REPLACE FUNCTION eventstore.push(commands eventstore.command[]) RETURNS SETOF eventstore.events2 VOLATILE AS $$
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INSERT INTO eventstore.events2
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SELECT * FROM eventstore.commands_to_events(commands)
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ORDER BY in_tx_order
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RETURNING *
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$$ LANGUAGE SQL;
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