private ISqlJetColumnDef tableColumn;
public SqlJetIndexedColumn(CommonTree ast) {
name = ast.getText();
String collation = null;
SqlJetSortingOrder sortingOrder = null;
for (int i = 0; i < ast.getChildCount(); i++) {
CommonTree child = (CommonTree) ast.getChild(i);
if ("collate".equalsIgnoreCase(child.getText())) {
collation = child.getChild(0).getText();
} else if ("asc".equalsIgnoreCase(child.getText())) {