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postgresql9.4-docs-9.4.15-1.mga6.noarch.rpm

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>46.7. Logical Decoding Output Writers</A
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>    It is possible to add more output methods for logical decoding.
    For details, see
    <TT
CLASS="FILENAME"
>src/backend/replication/logical/logicalfuncs.c</TT
>.
    Essentially, three functions need to be provided: one to read WAL, one to
    prepare writing output, and one to write the output
    (see <A
HREF="logicaldecoding-output-plugin.html#LOGICALDECODING-OUTPUT-PLUGIN-OUTPUT"
>Section 46.6.5</A
>).
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