protected void closeResultSet(ResultSet rs) {
try {
if (rs != null) {
rs.close();
}
} catch (SQLException e) {
JDBCASEPlugin.getDefault().log(e);
}
try {
if (stmt != null) stmt.close();
} catch (SQLException e) {
JDBCASEPlugin.getDefault().log(e);
}
try {
if (oldCatalog != null) {
conn.setCatalog(oldCatalog);
}
} catch (SQLException e) {
JDBCASEPlugin.getDefault().log(e);
}
}
/**
* This is a crude implementation of GUID generator. the new name is generated using letter 'T',
* localhost's ip address and the current timestamp plus three digit of random number, with a
* maximum total length of 27. There're rare chances of name conflict. But even if that does
* happen, user can always save it again.
*/
static String makeNewName(String oldName) {
if (_localhost == 0) {
try {
_localhost = Math.abs(InetAddress.getLocalHost().hashCode());
} catch (Exception e) {
JDBCASEPlugin.getDefault().log(e);
}
}
String timeStamp = String.valueOf(Math.abs(System.currentTimeMillis()));
int random = Math.abs(new Random().nextInt() % 1000);
return ("T" + _localhost + timeStamp + random);
}
/**
* Creates a result set to be used by the loading logic. The SQL statement is:
*
* <pre>
* select c.name from syscolumns c where id = ? order by c.colid
* </pre>
*/
protected ResultSet createResultSet() throws SQLException {
Table table = this.getTable();
String query = null;
String catalog = table.getSchema().getCatalog().getName();
int tableId = ((ICatalogTable) table).getTableId();
conn = ((ICatalogObject) table).getConnection();
query = ASESQLs.QUERY_TABLE_COLUMNS;
ResultSet rs = null;
oldCatalog = conn.getCatalog();
conn.setCatalog(catalog);
stmt = conn.prepareStatement(query);
stmt.setInt(1, tableId);
try {
rs = stmt.executeQuery();
} catch (SQLException e) {
JDBCASEPlugin.getDefault().log(e);
throw e;
}
return rs;
}