function query($query)
{
//if flag to convert query from MySql syntax to Sybase syntax is true
//convert the query
if ($this->convertMySqlTosybaseQuery == true) {
$query = $this->ConvertMySqlTosybase($query);
}
// Initialise return
$return_val = 0;
// Flush cached values..
$this->flush();
// For reg expressions
$query = trim($query);
// Log how the function was called
$this->func_call = "\$db->query(\"{$query}\")";
// Keep track of the last query for debug..
$this->last_query = $query;
// Count how many queries there have been
$this->num_queries++;
// Use core file cache function
if ($cache = $this->get_cache($query)) {
return $cache;
}
// If there is no existing database connection then try to connect
if (!isset($this->dbh) || !$this->dbh) {
$this->connect($this->dbuser, $this->dbpassword, $this->dbhost);
$this->select($this->dbname);
}
// Perform the query via std sybase_query function..
$this->result = @sybase_query($query);
// If there is an error then take note of it..
if ($this->result == false) {
$get_errorcodeSql = "SELECT @@ERROR as errorcode";
$error_res = @sybase_query($get_errorcodeSql, $this->dbh);
$errorCode = @sybase_result($error_res, 0, "errorcode");
$get_errorMessageSql = "SELECT severity as errorSeverity, text as errorText FROM sys.messages WHERE message_id = " . $errorCode;
$errormessage_res = @sybase_query($get_errorMessageSql, $this->dbh);
if ($errormessage_res) {
$errorMessage_Row = @sybase_fetch_row($errormessage_res);
$errorSeverity = $errorMessage_Row[0];
$errorMessage = $errorMessage_Row[1];
}
$sqlError = "ErrorCode: " . $errorCode . " ### Error Severity: " . $errorSeverity . " ### Error Message: " . $errorMessage . " ### Query: " . $query;
$is_insert = true;
$this->register_error($sqlError);
$this->show_errors ? trigger_error($sqlError, E_USER_WARNING) : null;
return false;
}
// Query was an insert, delete, update, replace
$is_insert = false;
if (preg_match("/^(insert|delete|update|replace)\\s+/i", $query)) {
$this->rows_affected = @sybase_rows_affected($this->dbh);
// Take note of the insert_id
if (preg_match("/^(insert|replace)\\s+/i", $query)) {
$identityresultset = @sybase_query("select SCOPE_IDENTITY()");
if ($identityresultset != false) {
$identityrow = @sybase_fetch_row($identityresultset);
$this->insert_id = $identityrow[0];
}
}
// Return number of rows affected
$return_val = $this->rows_affected;
} else {
// Take note of column info
$i = 0;
while ($i < @sybase_num_fields($this->result)) {
$this->col_info[$i] = @sybase_fetch_field($this->result);
$i++;
}
// Store Query Results
$num_rows = 0;
while ($row = @sybase_fetch_object($this->result)) {
// Store relults as an objects within main array
$this->last_result[$num_rows] = $row;
$num_rows++;
}
@sybase_free_result($this->result);
// Log number of rows the query returned
$this->num_rows = $num_rows;
// Return number of rows selected
$return_val = $this->num_rows;
}
// disk caching of queries
$this->store_cache($query, $is_insert);
// If debug ALL queries
$this->trace || $this->debug_all ? $this->debug() : null;
return $return_val;
}
/**
* Returns the server version string.
*
* @return string
*/
function server_version()
{
$result = $this->query('SELECT @@version AS SERVER_VERSION');
$version = sybase_result($result, 0, 'SERVER_VERSION');
if (isset($version)) {
return $version;
}
}
function metadata($table)
{
$count = 0;
$id = 0;
$res = array();
$this->connect();
$result = $this->query("exec sp_columns {$table}");
if ($result < 0) {
$this->Errno = 1;
$this->Error = "Metadata query failed";
$this->halt("Metadata query failed.");
}
$count = sybase_num_rows($result);
for ($i = 0; $i < $count; $i++) {
$res[$i]["table"] = $table;
$res[$i]["name"] = sybase_result($result, $i, "COLUMN_NAME");
$res[$i]["type"] = sybase_result($result, $i, "TYPE_NAME");
$res[$i]["len"] = sybase_result($result, $i, "LENGTH");
$res[$i]["position"] = sybase_result($result, $i, "ORDINAL_POSITION");
$res[$i]["flags"] = sybase_result($result, $i, "REMARKS");
}
}
function Insert($query)
{
$this->res = 0;
$this->oid = 0;
$this->cur = -1;
$this->vcur = -1;
$this->Record = array();
if ($this->conn) {
$this->res = sybase_query($query, $this->conn);
if ($this->res) {
$oidRes = sybase_query('SELECT @@identity', $this->conn);
if ($oidRes) {
$this->oid = sybase_result($oidRes, 0, 0);
} else {
trigger_error('Could not retrieve @@identity of newly inserted record!! Query: ' . $query);
}
return $this->oid;
} else {
trigger_error("Error executing query: {$query}");
return -1;
}
} else {
trigger_error('No connection!');
return -1;
}
}
