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Commit 919ab232 by Qiang Xue
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all finished. [skip ci]

parent a082fd91
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framework/db/Connection.php
...@@ -21,6 +21,11 @@ use yii\caching\Cache; ...@@ -21,6 +21,11 @@ use yii\caching\Cache;
* to provide data access to various DBMS in a common set of APIs. They are a thin wrapper * to provide data access to various DBMS in a common set of APIs. They are a thin wrapper
* of the [[PDO PHP extension]](http://www.php.net/manual/en/ref.pdo.php). * of the [[PDO PHP extension]](http://www.php.net/manual/en/ref.pdo.php).
* *
* Connection supports database replication and read-write splitting. In particular, a Connection component
* can be configured with multiple [[masters]] and [[slaves]]. It will do load balancing and failover by choosing
* appropriate servers. It will also automatically direct read operations to the slaves and write operations to
* the masters.
*
* To establish a DB connection, set [[dsn]], [[username]] and [[password]], and then * To establish a DB connection, set [[dsn]], [[username]] and [[password]], and then
* call [[open()]] to be true. * call [[open()]] to be true.
* *
...@@ -105,6 +110,7 @@ use yii\caching\Cache; ...@@ -105,6 +110,7 @@ use yii\caching\Cache;
* ], * ],
* ~~~ * ~~~
* *
*
* @property string $driverName Name of the DB driver. * @property string $driverName Name of the DB driver.
* @property boolean $isActive Whether the DB connection is established. This property is read-only. * @property boolean $isActive Whether the DB connection is established. This property is read-only.
* @property string $lastInsertID The row ID of the last row inserted, or the last value retrieved from the * @property string $lastInsertID The row ID of the last row inserted, or the last value retrieved from the
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