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Features that sooner or later will be added to C<ngx_postgres>:


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=item *

Add support for SSL connections to the database.


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=over


=item *

Add support for dropping of idle keep-alived connections to the
database.


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=item *

Add C<$postgres_error> variable.


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=over


=item *

Add support for sending mulitple queries in one go (transactions,
multiple SELECTs, etc), this will require changes in the processing
flow B<and> RDS format.


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=over


=item *

Add C<postgres_escape_bytea> or C<postgres_escape_binary>.


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=item *

Use C<PQescapeStringConn()> instead of C<PQescapeString()>, this will
require lazy-evaluation of the variables after we acquire connection,
but before we send query to the database.
Notes: Don't break C<$postgres_query>.


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=over


=item *

Cancel long-running queries using C<PQcancel()>.


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=over


=item *

Detect server version using C<PQserverVersion()>.

=back