[PHP-dev 90] [patch] Async query interface for pgsql

[Yasuo Ohgaki]

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大垣です。

pgsqlにAsync query interfaceが無かったので書きました。(4.2.0-dev用)
簡単なwrapper functionなので、使い方さえ間違えなければ問題ありません。
(persistent connectionで利用するのは、きちんと理解して利用しないと
問題があります。)

使い方はlibpqのマニュアルを参照してください。
http://www.postgresql.org/idocs/index.php?libpq-async.html
他のpg_*と同じで、lipqpのPQ*のwrapper functionになっています。

問題があった場合は直すのでメールしてください。

--
Yasuo Ohgaki

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