数据库连接池使用PHP和Gearman

An experimental connection pooling system using gearman and PHP. more information here: http://gonzalo123.wordpress.com/2010/11/01/database-connection-pooling-with-php-and-gearman/ Simple queries. And a simple error handling: ``` include("../lib/Pool/Client.php"); include("../lib/Pool/Server.php"); include("../lib/Pool/Exception.php"); include("../lib/Pool/Server/Connection.php"); include("../lib/Pool/Server/Stmt.php"); use PoolClient; $conn = Client::singleton()->getConnection(PoolConf::PG1); $sql = "SELECT * FROM TEST.TBL1"; $stmt = $conn->prepare($sql); $stmt->execute(); $data = $stmt->fetchall(); echo "count: " . count($data) . ""; try { $sql = "SELECT * TEST.NONEXISTENTTABLE"; $stmt = $conn->prepare($sql); $stmt->execute(); $data = $stmt->fetchall(); echo "

count: " . count($data) . "

";

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