Improve Database related documentation a bit

- $wgDBport is also for MSSQL
- "type" key of $wgDBservers is not only "mysql" and "postgres"
- Note that $wgDBssl, $wgDBcompress and $wgDebugDumpSql only
  work in certain cases and mention how to emulate them otherwise

Change-Id: Id863da8c87308d06e0070877ac0af26d03be4faf

diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index 5d35c42..a72e2fa 100644 (file)
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -1511,7 +1511,7 @@ $wgUsersNotifiedOnAllChanges = array();
 $wgDBserver = 'localhost';
 
 /**
- * Database port number (for PostgreSQL)
+ * Database port number (for PostgreSQL and Microsoft SQL Server).
  */
 $wgDBport = 5432;
 
@@ -1537,11 +1537,21 @@ $wgDBtype = 'mysql';
 
 /**
  * Whether to use SSL in DB connection.
+ *
+ * This setting is only used $wgLBFactoryConf['class'] is set to
+ * 'LBFactorySimple' and $wgDBservers is an empty array; otherwise
+ * the DBO_SSL flag must be set in the 'flags' option of the database
+ * connection to achieve the same functionality.
  */
 $wgDBssl = false;
 
 /**
  * Whether to use compression in DB connection.
+ *
+ * This setting is only used $wgLBFactoryConf['class'] is set to
+ * 'LBFactorySimple' and $wgDBservers is an empty array; otherwise
+ * the DBO_COMPRESS flag must be set in the 'flags' option of the database
+ * connection to achieve the same functionality.
  */
 $wgDBcompress = false;
 
@@ -1649,7 +1659,7 @@ $wgSharedTables = array( 'user', 'user_properties' );
  *   - dbname:      Default database name
  *   - user:        DB user
  *   - password:    DB password
- *   - type:        "mysql" or "postgres"
+ *   - type:        DB type
  *
  *   - load:        Ratio of DB_SLAVE load, must be >=0, the sum of all loads must be >0.
  *                  If this is zero for any given server, no normal query traffic will be
@@ -4956,7 +4966,12 @@ $wgDebugComments = false;
 $wgDebugDBTransactions = false;
 
 /**
- * Write SQL queries to the debug log
+ * Write SQL queries to the debug log.
+ *
+ * This setting is only used $wgLBFactoryConf['class'] is set to
+ * 'LBFactorySimple' and $wgDBservers is an empty array; otherwise
+ * the DBO_DEBUG flag must be set in the 'flags' option of the database
+ * connection to achieve the same functionality.
  */
 $wgDebugDumpSql = false;