} else if ($this->adapter == "sqlite") {
return "";
}
}
}
function listCollation() {
if ($this->conn) {
if ($this->adapter == "mysql") {
return $this->query("SHOW COLLATION");
} else if ($this->adapter == "sqlite") {
return "";
}
}
}
function insertId() {
if ($this->conn) {
if ($this->method == "pdo") {
return $this->conn->lastInsertId();
} else if ($this->method == "mysql") {
return @mysql_insert_id($this->conn);
} else if ($this->method == "sqlite") {
return sqlite_last_insert_rowid($this-conn);
}
}
}
function escapeString($toEscape) {
if ($this->conn) {
if ($this->method == "pdo") {
$toEscape = $this->conn->quote($toEscape);
$toEscape = substr($toEscape, 1, -1);
return $toEscape;
} else if ($this->adapter == "mysql") {
return mysql_real_escape_string($toEscape);
} else if ($this->adapter == "sqlite") {
return sqlite_escape_string($toEscape);
}
}
}
function getVersion() {
if ($this->conn) {
// cache
if ($this->version) {
return $this->version;
}
if ($this->adapter == "mysql") {
$verSql = mysql_get_server_info();
$version = explode("-", $verSql);
$this->version = $version[0];
return $this->version;
} else if ($this->adapter == "sqlite") {
$this->version = sqlite_libversion();
return $this->version;
}
}
}
// returns the number of rows in a table
function tableRowCount($table) {
if ($this->conn) {
if ($this->adapter == "mysql") {
$countSql = $this->query("SELECT COUNT(*) AS `RowCount` FROM `" . $table . "`");
$count = (int)($this->result($countSql, 0, "RowCount"));
return $count;
} else if ($this->adapter == "sqlite") {
$countSql = $this->query("SELECT COUNT(*) AS 'RowCount' FROM '" . $table . "'");
$count = (int)($this->result($countSql, 0, "RowCount"));
return $count;
}
}
}
// gets column info for a table
function describeTable($table) {
if ($this->conn) {
if ($this->adapter == "mysql") {
return $this->query("DESCRIBE `" . $table . "`");
} else if ($this->adapter == "sqlite") {
$columnSql = $this->query("SELECT sql FROM sqlite_master where tbl_name = '" . $table . "'");
$columnInfo = $this->result($columnSql, 0, "sql");
$columnStart = strpos($columnInfo, '(');
$columns = substr($columnInfo, $columnStart+1, -1);
$columns = split(',[^0-9]', $columns);
$columnList = array();
foreach ($columns as $column) {
$column = trim($column);
$columnSplit = explode(" ", $column, 2);
$columnName = $columnSplit[0];
$columnType = (sizeof($columnSplit) > 1) ? $columnSplit[1] : "";
$columnList[] = array($columnName, $columnType);
}
return $columnList;
}
}
}
/*
Return names, row counts etc for every database, table and view in a JSON string
*/
function getMetadata() {
$output = '';
if ($this->conn) {
if ($this->adapter == "mysql" && version_compare($this->getVersion(), "5.0.0", ">=")) {
$this->selectDB("information_schema");
$schemaSql = $this->query("SELECT `SCHEMA_NAME` FROM `SCHEMATA` ORDER BY `SCHEMA_NAME`");
if ($this->rowCount($schemaSql)) {
while ($schema = $this->fetchAssoc($schemaSql)) {
$output .= '{"name": "' . $schema['SCHEMA_NAME'] . '"';
// other interesting columns: TABLE_TYPE, ENGINE, TABLE_COLUMN and many more
$tableSql = $this->query("SELECT `TABLE_NAME`, `TABLE_ROWS` FROM `TABLES` WHERE `TABLE_SCHEMA`='" . $schema['SCHEMA_NAME'] . "' ORDER BY `TABLE_NAME`");
if ($this->rowCount($tableSql)) {
$output .= ',"items": [';
while ($table = $this->fetchAssoc($tableSql)) {
if ($schema['SCHEMA_NAME'] == "information_schema") {
$countSql = $this->query("SELECT COUNT(*) AS `RowCount` FROM `" . $table['TABLE_NAME'] . "`");
$rowCount = (int)($this->result($countSql, 0, "RowCount"));
} else {
$rowCount = (int)($table['TABLE_ROWS']);