001 package railo.runtime.db; 002 003 import java.util.HashSet; 004 import java.util.Set; 005 006 import railo.runtime.sql.SQLParserException; 007 import railo.runtime.sql.SelectParser; 008 import railo.runtime.sql.Selects; 009 import railo.runtime.sql.exp.Column; 010 011 public class HSQLUtil2 { 012 013 private Selects selects; 014 015 public HSQLUtil2(SQL sql) throws SQLParserException { 016 selects = new SelectParser().parse(sql.getSQLString()); 017 } 018 019 public HSQLUtil2(Selects selects) { 020 this.selects = selects; 021 } 022 023 public boolean isUnion() { 024 return selects.getSelects().length>1; 025 } 026 027 public Set<String> getInvokedTables() { 028 HashSet<String> set=new HashSet<String>(); 029 Column[] tables = selects.getTables(); 030 for(int i=0;i<tables.length;i++) { 031 set.add(tables[i].getFullName()); 032 } 033 return set; 034 } 035 036 }