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-rw-r--r--framework/Caching/TDbCache.php20
1 files changed, 15 insertions, 5 deletions
diff --git a/framework/Caching/TDbCache.php b/framework/Caching/TDbCache.php
index bc4d4309..90607368 100644
--- a/framework/Caching/TDbCache.php
+++ b/framework/Caching/TDbCache.php
@@ -31,10 +31,10 @@ Prado::using('System.Data.TDbConnection');
* The cached data is stored in a table in the specified database.
* By default, the name of the table is called 'pradocache'. If the table does not
* exist in the database, it will be automatically created with the following structure:
- * (key CHAR(128) PRIMARY KEY, value BLOB, expire INT)
+ * (itemkey CHAR(128) PRIMARY KEY, value BLOB, expire INT)
*
- * Note, if you are using MySQL, you may want to manually create the DB table by relacing
- * BLOB with LONGBLOB. Some users reported that BLOB may cause problems in MySQL.
+ * Note, some DBMS might not support BLOB type. In this case, replace 'BLOB' with a suitable
+ * binary data type (e.g. LONGBLOB in MySQL, BYTEA in PostgreSQL.)
*
* If you want to change the cache table name, or if you want to create the table by yourself,
* you may set {@link setCacheTableName CacheTableName} and {@link setAutoCreateCacheTable AutoCreateCacheTableName} properties.
@@ -134,7 +134,15 @@ class TDbCache extends TCache
// DB table not exists
if($this->_autoCreate)
{
- $sql='CREATE TABLE '.$this->_cacheTable.' (itemkey CHAR(128) PRIMARY KEY, value BLOB, expire INT)';
+ $driver=$db->getDriverName();
+ if($driver==='mysql')
+ $blob='LONGBLOB';
+ else if($driver==='pgsql')
+ $blob='BYTEA';
+ else
+ $blob='BLOB';
+
+ $sql='CREATE TABLE '.$this->_cacheTable." (itemkey CHAR(128) PRIMARY KEY, value $blob, expire INT)";
$db->createCommand($sql)->execute();
}
else
@@ -276,7 +284,9 @@ class TDbCache extends TCache
* Note, if {@link setAutoCreateCacheTable AutoCreateCacheTable} is false
* and you want to create the DB table manually by yourself,
* you need to make sure the DB table is of the following structure:
- * (key CHAR(128) PRIMARY KEY, value BLOB, expire INT)
+ * (itemkey CHAR(128) PRIMARY KEY, value BLOB, expire INT)
+ * Note, some DBMS might not support BLOB type. In this case, replace 'BLOB' with a suitable
+ * binary data type (e.g. LONGBLOB in MySQL, BYTEA in PostgreSQL.)
* @param string the name of the DB table to store cache content
* @see setAutoCreateCacheTable
*/