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Mikko Koppanen
Mikko Koppanen committed Aug 12, 2011
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+0.1.0
+- Initial release
174 LICENSE
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140 README.md
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+# Introduction
+
+Pretty much very experimental PDO driver for Cassandra CQL.
+
+
+# Dependencies
+
+ - PHP and PDO
+ - Thrift
+ - Boost (shared_ptr)
+
+
+# How to build?
+
+First install thrift from http://thrift.apache.org/download/. Thrift should depend on
+boost shared_ptr so while installing thrift you are installing rest of the dependencies
+for pdo_cassandra (apart from PHP and PDO of course).
+
+pdo_cassandra ./configure script takes the following options:
+
+ - --with-pdo-cassandra[=FILE] where file is optional path to Cassandra Thrift definitions file. The file is
+ bundled with the package so it is unlikely that alternative file is needed unless testing new versions.
+
+ - --with-thrift-dir[=DIR] can be used to specify 'non-standard' thrift installation prefix.
+
+ - --with-boost-dir[=DIR] can be used to specify 'non-standard' boost installation prefix.
+
+
+# Running tests
+
+After a successful build tests can be executed using an instance of Cassandra. Default config
+for Cassandra should be fine.
+
+Before make test:
+
+ $ cp tests/config.inc-dist tests/config.inc
+ $ $EDITOR tests/config.inc
+
+This is to prevent accidentally dropping keyspaces that might in use.
+
+
+# DSN
+
+The DSN format is as follows:
+
+ - "cassandra:host=127.0.0.1;port=9160"
+
+Multiple hosts can be specified using the following format:
+
+ - "cassandra:host=127.0.0.1;port=9160,host=localhost;port=9160"
+
+
+# Prepared statements
+
+CQL doesn't support prepared statements so PDO emulation layer is used for this. Notice that quoting of the
+identifiers is simple 'addslashes' call on the data and isn't necessarily as safe as prepared statements.
+
+It is also important to specify the types of the bound parameters as (string) "1" might get convert to a
+string value internally even though integer might be more appropriated.
+
+
+# Transactions
+
+Transactions are not supported and calling PDO::beginTransaction will result in an exception.
+
+
+# Contributing
+
+Pull requests containing fixes and/or additional tests are highly appreciated.
+
+
+# Driver specific attributes for PDO::setAttribute
+
+<table>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_NUM_RETRIES</td>
+ <td>integer</td>
+ <td>The amount of connection retries</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_RETRY_INTERVAL</td>
+ <td>integer</td>
+ <td>Sets how many times to keep retrying a host before marking it as down.</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_MAX_CONSECUTIVE_FAILURES</td>
+ <td>integer</td>
+ <td>Sets how many times to keep retrying a host before marking it as down.</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_LINGER</td>
+ <td>integer</td>
+ <td>How long does the socket linger after it's being closed</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_NO_DELAY</td>
+ <td>boolean</td>
+ <td>Whether to enable/disable Nagle algorithm</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_CONN_TIMEOUT</td>
+ <td>integer</td>
+ <td>Connection timeout</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_RECV_TIMEOUT</td>
+ <td>integer</td>
+ <td>Receive timeout</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_SEND_TIMEOUT</td>
+ <td>integer</td>
+ <td>Send timeout</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_COMPRESSION</td>
+ <td>boolean</td>
+ <td>Whether to enable/disable compression</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_THRIFT_DEBUG</td>
+ <td>boolean</td>
+ <td>Converts thrift debug output into PHP warnings</td>
+ </tr>
+</table>
+
+## The constructor honours the following options
+
+These options can be passed in the fourth argument for PDO constructor
+
+<table>
+ <tr>
+ <td>PDO_ATTR_TIMEOUT</td>
+ <td>Connection timeout value</td>
+ </tr>
+ <tr>
+ <td>PDO::CASSANDRA_ATTR_THRIFT_DEBUG</td>
+ <td>Converts thrift debug output into PHP warnings</td>
+ </tr>
+</table>
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