@Override
public boolean visit(SQLCreateIndexStatement x) {
setMode(x, Mode.CreateIndex);
SQLName name = (SQLName) ((SQLExprTableSource) x.getTable()).getExpr();
String table = name.toString();
setCurrentTable(table);
TableStat stat = getTableStat(table);
stat.incrementDropIndexCount();
Map<String, String> aliasMap = getAliasMap();
if (aliasMap != null) {
aliasMap.put(table, table);
}
for (SQLSelectOrderByItem item : x.getItems()) {
SQLExpr expr = item.getExpr();
if (expr instanceof SQLIdentifierExpr) {
SQLIdentifierExpr identExpr = (SQLIdentifierExpr) expr;
String columnName = identExpr.getName();
addColumn(table, columnName);
}
}
return false;
}
public boolean visit(SQLOrderBy x) {
OrderByStatVisitor orderByVisitor = new OrderByStatVisitor(x);
SQLSelectQueryBlock query = null;
if (x.getParent() instanceof SQLSelectQueryBlock) {
query = (SQLSelectQueryBlock) x.getParent();
}
if (query != null) {
for (SQLSelectOrderByItem item : x.getItems()) {
SQLExpr expr = item.getExpr();
if (expr instanceof SQLIntegerExpr) {
int intValue = ((SQLIntegerExpr) expr).getNumber().intValue() - 1;
if (intValue < query.getSelectList().size()) {
SQLSelectItem selectItem = query.getSelectList().get(intValue);
selectItem.getExpr().accept(orderByVisitor);
}
}
}
}
x.accept(orderByVisitor);
return true;
}
public OrderByStatVisitor(SQLOrderBy orderBy) {
this.orderBy = orderBy;
for (SQLSelectOrderByItem item : orderBy.getItems()) {
item.getExpr().setParent(item);
}
}