wal2json

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wal2json (wal2json) is an extension released as open source software under the PostgreSQL License.

wal2json is an output plugin for logical decoding. It has access to the following:

  • Tuples produced by INSERT and UPDATE.

  • UPDATE/DELETE old row versions (depending on the configured replica identity).

    Changes can be consumed using the streaming protocol (logical replication slots) or by a SQL API.

For more information about wal2json, see:

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