sql format support lower case

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlSelectTest_14.java

@@ -68,5 +68,14 @@ public class MySqlSelectTest_14 extends MysqlTest {
                             + "\n\tFROM t2"//
                             + "\n\t)", //
                             output);
+        
+        String output_lcase = SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
+        Assert.assertEquals("select *" //
+                            + "\nfrom t1"//
+                            + "\nwhere column1 = ("//
+                            + "\n\tselect column1"//
+                            + "\n\tfrom t2"//
+                            + "\n\t)", //
+                            output_lcase);
     }
 }

src/test/java/com/alibaba/druid/bvt/sql/odps/OdpsSelectTest4.java

@@ -18,7 +18,6 @@ package com.alibaba.druid.bvt.sql.odps;
 import org.junit.Assert;
 
 import com.alibaba.druid.sql.SQLUtils;
-import com.alibaba.druid.sql.SQLUtils.FormatOption;
 
 import junit.framework.TestCase;
 
@@ -33,10 +32,7 @@ public class OdpsSelectTest4 extends TestCase {
     public void test_distribute_by_lcase() throws Exception {
         String sql = "select total_day_cnt * EXP(-datediff(to_date('20150819', 'yyyymmdd'), last_time, 'dd') / 60) from dual";//
         
-        FormatOption option = new FormatOption();
-        option.setUppCase(false);;
-        
         Assert.assertEquals("select total_day_cnt * EXP(-datediff(to_date('20150819', 'yyyymmdd'), last_time, 'dd') / 60)"
-                + "\nfrom dual", SQLUtils.formatOdps(sql, option));
+                + "\nfrom dual", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 }

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectIntoTest.java

@@ -20,6 +20,7 @@ import java.util.List;
 import org.junit.Assert;
 
 import com.alibaba.druid.sql.PGTest;
+import com.alibaba.druid.sql.SQLUtils;
 import com.alibaba.druid.sql.ast.SQLStatement;
 import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
 import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
@@ -32,13 +33,13 @@ public class PGSelectIntoTest extends PGTest {
 		
         PGSQLStatementParser parser = new PGSQLStatementParser(sql);
         List<SQLStatement> statementList = parser.parseStatementList();
-        SQLStatement statemen = statementList.get(0);
+        SQLStatement stmt = statementList.get(0);
         print(statementList);
 
         Assert.assertEquals(1, statementList.size());
 
         PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
-        statemen.accept(visitor);
+        stmt.accept(visitor);
         
         System.out.println("Tables : " + visitor.getTables());
         System.out.println("fields : " + visitor.getColumns());
@@ -49,5 +50,17 @@ public class PGSelectIntoTest extends PGTest {
         
         Assert.assertTrue(visitor.getColumns().contains(new Column("films", "*")));
         Assert.assertTrue(visitor.getColumns().contains(new Column("films", "date_prod")));
+        
+        String result = SQLUtils.toPGString(stmt);
+        Assert.assertEquals(result,"SELECT *" //
+                + "\nINTO films_recent" //
+                + "\nFROM films" //
+                + "\nWHERE date_prod >= '2002-01-01'");
+        
+        String result_lcase = SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
+        Assert.assertEquals(result_lcase,"select *" //
+                + "\ninto films_recent" //
+                + "\nfrom films" //
+                + "\nwhere date_prod >= '2002-01-01'");
 	}
 }