package com.alipay.zdal.parser.druid.bvt.sql.oracle.visitor;
import java.util.List;
import junit.framework.Assert;
import junit.framework.TestCase;
import com.alipay.zdal.parser.sql.ast.SQLStatement;
import com.alipay.zdal.parser.sql.dialect.oracle.parser.OracleStatementParser;
import com.alipay.zdal.parser.sql.dialect.oracle.visitor.OracleOutputVisitor;
import com.alipay.zdal.parser.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import com.alipay.zdal.parser.sql.stat.TableStat.Column;
/**
*
* @author xiaoqing.zhouxq
* @version $Id: OracleOutputVisitorTest_selectJoin.java, v 0.1 2012-5-17 ����10:23:10 xiaoqing.zhouxq Exp $
*/
public class OracleOutputVisitorTest_selectJoin extends TestCase {
public void test_0() throws Exception {
String sql = "SELECT e.salary from employee e join department d where e.depId = d.id";
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
Assert.assertEquals(1, statementList.size());
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
stmt.accept(visitor);
System.out.println(sql);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("alias : " + visitor.getAliasMap());
System.out.println("conditions : " + visitor.getConditions());
System.out.println("orderBy : " + visitor.getOrderByColumns());
System.out.println("groupBy : " + visitor.getGroupByColumns());
System.out.println("variant : " + visitor.getVariants());
System.out.println("relationShip : " + visitor.getRelationships());
System.out.println("--------------------------------");
Assert.assertEquals(2, visitor.getTables().size());
Assert.assertEquals(true, visitor.containsTable("employee"));
Assert.assertEquals(true, visitor.containsTable("department"));
Assert.assertEquals(3, visitor.getColumns().size());
Assert.assertEquals(true, visitor.getColumns().contains(
new Column("employee", "salary")));
Assert.assertEquals(true, visitor.getColumns().contains(
new Column("employee", "depId")));
Assert.assertEquals(true, visitor.getColumns().contains(
new Column("department", "id")));
StringBuilder buf = new StringBuilder();
OracleOutputVisitor outputVisitor = new OracleOutputVisitor(buf);
stmt.accept(outputVisitor);
Assert.assertEquals(
"SELECT e.salary\nFROM employee e\n\tJOIN department d\nWHERE e.depId = d.id;\n", buf
.toString());
}
}