package com.alipay.zdal.parser.druid.bvt.sql.oracle;
import java.util.List;
import junit.framework.Assert;
import com.alipay.zdal.parser.druid.sql.OracleTest;
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.OracleSchemaStatVisitor;
import com.alipay.zdal.parser.sql.stat.TableStat;
/**
*
* @author xiaoqing.zhouxq
* @version $Id: OracleBlockTest8.java, v 0.1 2012-5-17 ����10:15:14 xiaoqing.zhouxq Exp $
*/
public class OracleBlockTest8 extends OracleTest {
public void test_0() throws Exception {
String sql = "DECLARE" + //
" daily_order_total NUMBER(12,2);" + //
" weekly_order_total NUMBER(12,2); " + //
" monthly_order_total NUMBER(12,2);" + //
"BEGIN" + //
" COMMIT; -- end previous transaction\n" + //
" SET TRANSACTION READ ONLY NAME 'Calculate Order Totals';" + //
"" + //
" SELECT SUM (order_total)" + //
" INTO daily_order_total" + //
" FROM orders" + //
" WHERE order_date = SYSDATE;" + //
"" + //
" SELECT SUM (order_total)" + //
" INTO weekly_order_total" + //
" FROM orders" + //
" WHERE order_date = SYSDATE - 7;" + //
"" + //
" SELECT SUM (order_total)" + //
" INTO monthly_order_total" + //
" FROM orders" + //
" WHERE order_date = SYSDATE - 30;" + //
"" + //
" COMMIT; -- ends read-only transaction\n" + //
"END;"; //
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
print(statementList);
Assert.assertEquals(1, statementList.size());
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
for (SQLStatement statement : statementList) {
statement.accept(visitor);
}
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println("relationships : " + visitor.getRelationships());
System.out.println("orderBy : " + visitor.getOrderByColumns());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("orders")));
Assert.assertEquals(2, visitor.getColumns().size());
Assert.assertEquals(1, visitor.getConditions().size());
Assert.assertTrue(visitor.getColumns().contains(
new TableStat.Column("orders", "order_total")));
Assert.assertTrue(visitor.getColumns().contains(
new TableStat.Column("orders", "order_date")));
}
}