package com.alibaba.druid.bvt.sql.odps;
import java.util.List;
import junit.framework.TestCase;
import org.junit.Assert;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.odps.parser.OdpsStatementParser;
import com.alibaba.druid.sql.dialect.odps.visitor.OdpsSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.stat.TableStat.Column;
public class OdpsUDTFTest extends TestCase {
public void test_0() throws Exception {
String sql = "SELECT my_udtf(1,2,3) as (a, b, c) from employee t1 WHERE t1.name = 'aaa';";
OdpsStatementParser parser = new OdpsStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
Assert.assertEquals(1, statementList.size());
OdpsSchemaStatVisitor visitor = new OdpsSchemaStatVisitor();
stmt.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println("orderBy : " + visitor.getOrderByColumns());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(1, visitor.getColumns().size());
Assert.assertEquals(1, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("employee")));
Assert.assertTrue(visitor.getColumns().contains(new Column("employee", "name")));
}
}