package com.alibaba.druid.bvt.sql;
import java.util.List;
import org.junit.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.parser.SQLStatementParser;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
public class OverTest extends TestCase {
public void test_over() throws Exception {
String sql = "SELECT SalesOrderID, ProductID, OrderQty" + //
" ,SUM(OrderQty) OVER(PARTITION BY SalesOrderID) AS 'Total'" + //
" ,AVG(OrderQty) OVER(PARTITION BY SalesOrderID) AS 'Avg'" + //
" ,COUNT(OrderQty) OVER(PARTITION BY SalesOrderID) AS 'Count'" + //
" ,MIN(OrderQty) OVER(PARTITION BY SalesOrderID) AS 'Min'" + //
" ,MAX(OrderQty) OVER(PARTITION BY SalesOrderID) AS 'Max' " + //
"FROM Sales.SalesOrderDetail " + //
"WHERE SalesOrderID IN(43659,43664);";
SQLStatementParser parser = new SQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
Assert.assertEquals(1, statementList.size());
SchemaStatVisitor visitor = new SchemaStatVisitor();
statemen.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
Assert.assertEquals(3, visitor.getColumns().size());
Assert.assertEquals(1, visitor.getTables().size());
}
}