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-rw-r--r--phpBB/includes/db/mssql_odbc.php91
1 files changed, 43 insertions, 48 deletions
diff --git a/phpBB/includes/db/mssql_odbc.php b/phpBB/includes/db/mssql_odbc.php
index 75a080b1b7..04501cce8b 100644
--- a/phpBB/includes/db/mssql_odbc.php
+++ b/phpBB/includes/db/mssql_odbc.php
@@ -32,6 +32,7 @@ include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
class dbal_mssql_odbc extends dbal
{
var $last_query_text = '';
+ var $connect_error = '';
/**
* Connect to server
@@ -68,7 +69,24 @@ class dbal_mssql_odbc extends dbal
@ini_set('odbc.defaultlrl', $max_size);
}
- $this->db_connect_id = ($this->persistency) ? @odbc_pconnect($this->server, $this->user, $sqlpassword) : @odbc_connect($this->server, $this->user, $sqlpassword);
+ if ($this->persistency)
+ {
+ if (!function_exists('odbc_pconnect'))
+ {
+ $this->connect_error = 'odbc_pconnect function does not exist, is odbc extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @odbc_pconnect($this->server, $this->user, $sqlpassword);
+ }
+ else
+ {
+ if (!function_exists('odbc_connect'))
+ {
+ $this->connect_error = 'odbc_connect function does not exist, is odbc extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @odbc_connect($this->server, $this->user, $sqlpassword);
+ }
return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
}
@@ -256,49 +274,6 @@ class dbal_mssql_odbc extends dbal
}
/**
- * Seek to given row number
- * rownum is zero-based
- */
- function sql_rowseek($rownum, &$query_id)
- {
- global $cache;
-
- if ($query_id === false)
- {
- $query_id = $this->query_result;
- }
-
- if (isset($cache->sql_rowset[$query_id]))
- {
- return $cache->sql_rowseek($rownum, $query_id);
- }
-
- if ($query_id === false)
- {
- return false;
- }
-
- $this->sql_freeresult($query_id);
- $query_id = $this->sql_query($this->last_query_text);
-
- if ($query_id === false)
- {
- return false;
- }
-
- // We do not fetch the row for rownum == 0 because then the next resultset would be the second row
- for ($i = 0; $i < $rownum; $i++)
- {
- if (!$this->sql_fetchrow($query_id))
- {
- return false;
- }
- }
-
- return true;
- }
-
- /**
* Get last inserted id after insert statement
*/
function sql_nextid()
@@ -354,6 +329,14 @@ class dbal_mssql_odbc extends dbal
}
/**
+ * {@inheritDoc}
+ */
+ function sql_lower_text($column_name)
+ {
+ return "LOWER(SUBSTRING($column_name, 1, DATALENGTH($column_name)))";
+ }
+
+ /**
* Build LIKE expression
* @access private
*/
@@ -377,10 +360,22 @@ class dbal_mssql_odbc extends dbal
*/
function _sql_error()
{
- return array(
- 'message' => @odbc_errormsg(),
- 'code' => @odbc_error()
- );
+ if (function_exists('odbc_errormsg'))
+ {
+ $error = array(
+ 'message' => @odbc_errormsg(),
+ 'code' => @odbc_error(),
+ );
+ }
+ else
+ {
+ $error = array(
+ 'message' => $this->connect_error,
+ 'code' => '',
+ );
+ }
+
+ return $error;
}
/**