1Features that sooner or later will be added to `ngx_postgres`:
2
3* Add support for SSL connections to the database.
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5* Add support for dropping of idle keep-alived connections to the
6  database.
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8* Add `$postgres_error` variable.
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10* Add support for sending mulitple queries in one go (transactions,
11  multiple SELECTs, etc), this will require changes in the processing
12  flow __and__ RDS format.
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14* Add `postgres_escape_bytea` or `postgres_escape_binary`.
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16* Use `PQescapeStringConn()` instead of `PQescapeString()`, this will
17  require lazy-evaluation of the variables after we acquire connection,
18  but before we send query to the database.
19  Notes: Don't break `$postgres_query`.
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21* Cancel long-running queries using `PQcancel()`.
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23* Detect server version using `PQserverVersion()`.
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