package railo.runtime.db;
import java.util.HashSet;
import java.util.Set;
import railo.runtime.sql.SQLParserException;
import railo.runtime.sql.SelectParser;
import railo.runtime.sql.Selects;
import railo.runtime.sql.exp.Column;
public class HSQLUtil2 {
private Selects selects;
public HSQLUtil2(SQL sql) throws SQLParserException {
selects = new SelectParser().parse(sql.getSQLString());
}
public HSQLUtil2(Selects selects) {
this.selects = selects;
}
public boolean isUnion() {
return selects.getSelects().length>1;
}
public Set<String> getInvokedTables() {
HashSet<String> set=new HashSet<String>();
Column[] tables = selects.getTables();
for(int i=0;i<tables.length;i++) {
set.add(tables[i].getFullName());
}
return set;
}
}