The commands
CREATE_REPLICATION_SLOT
slot_name
LOGICAL output_plugin
DROP_REPLICATION_SLOT
[ slot_name
WAIT
]
START_REPLICATION SLOT
slot_name
LOGICAL ...
are used to create, drop, and stream changes from a replication slot, respectively. These commands are only available over a replication connection; they cannot be used via SQL. See Section 52.4 for details on these commands.
The command pg_recvlogical can be used to control logical decoding over a streaming replication connection. (It uses these commands internally.)
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