add sql parser testcases

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

@@ -18,13 +18,15 @@ package com.alibaba.druid.bvt.sql.mysql;
 import java.util.List;
 
 import org.junit.Assert;
-import junit.framework.TestCase;
 
+import com.alibaba.druid.sql.SQLUtils;
 import com.alibaba.druid.sql.ast.SQLStatement;
 import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
 import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
 import com.alibaba.druid.sql.parser.SQLStatementParser;
 
+import junit.framework.TestCase;
+
 public class InsertSyntaxTest extends TestCase {
 
     public void test_0() throws Exception {
@@ -92,10 +94,13 @@ public class InsertSyntaxTest extends TestCase {
         SQLStatementParser parser = new MySqlStatementParser(sql);
         List<SQLStatement> stmtList = parser.parseStatementList();
 
-        String text = output(stmtList);
+        SQLStatement stmt = stmtList.get(0);
 
-        Assert.assertEquals("INSERT LOW_PRIORITY DELAYED HIGH_PRIORITY IGNORE INTO tbl_name (a, b, c)\nVALUES (1, 2, 3);",
-                            text);
+        Assert.assertEquals("INSERT LOW_PRIORITY DELAYED HIGH_PRIORITY IGNORE INTO tbl_name (a, b, c)\nVALUES (1, 2, 3)",
+                            SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("insert low_priority delayed high_priority ignore into tbl_name (a, b, c)\nvalues (1, 2, 3)",
+                            SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
     public void test_6() throws Exception {
@@ -104,11 +109,14 @@ public class InsertSyntaxTest extends TestCase {
         SQLStatementParser parser = new MySqlStatementParser(sql);
         List<SQLStatement> stmtList = parser.parseStatementList();
 
-        String text = output(stmtList);
+        SQLStatement stmt = stmtList.get(0);
 
         Assert.assertEquals("INSERT INTO tbl_name (a, b, c)" + //
                             "\nVALUES (1, 2, 3)" + //
-                            "\nON DUPLICATE KEY UPDATE c = c + 1;", text);
+                            "\nON DUPLICATE KEY UPDATE c = c + 1", SQLUtils.toMySqlString(stmt));
+        Assert.assertEquals("insert into tbl_name (a, b, c)" + //
+                "\nvalues (1, 2, 3)" + //
+                "\non duplicate key update c = c + 1", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
     private String output(List<SQLStatement> stmtList) {

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySql57Test.java

@@ -16,9 +16,13 @@ public class MySql57Test extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE t1" //
                 + "\n\tALGORITHM = INPLACE," //
-                + "\n\tCHANGE COLUMN c1 c1 VARCHAR(255)", output);
+                + "\n\tCHANGE COLUMN c1 c1 VARCHAR(255)", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table t1" //
+                            + "\n\tALGORITHM = INPLACE," //
+                            + "\n\tchange column c1 c1 VARCHAR(255)", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 }

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlAlterDbTest0.java

@@ -31,8 +31,9 @@ public class MySqlAlterDbTest0 extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
-        Assert.assertEquals("ALTER DATABASE `#mysql50#a-b-c` UPGRADE DATA DIRECTORY NAME", output);
+        
+        Assert.assertEquals("ALTER DATABASE `#mysql50#a-b-c` UPGRADE DATA DIRECTORY NAME", SQLUtils.toMySqlString(stmt));
+        Assert.assertEquals("alter database `#mysql50#a-b-c` upgrade data directory name", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlAlterTableAddIndex_0.java

@@ -31,9 +31,12 @@ public class MySqlAlterTableAddIndex_0 extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE `test`.`tb1`" + //
-                            "\n\tADD INDEX `ix` (`f2` ASC)", output);
+                            "\n\tADD INDEX `ix` (`f2` ASC)", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table `test`.`tb1`" + //
+                "\n\tadd index `ix` (`f2` asc)", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlAlterTableAddIndex_1.java

@@ -30,9 +30,12 @@ public class MySqlAlterTableAddIndex_1 extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE `test`.`tb1`" + //
-                            "\n\tADD UNIQUE INDEX `ix2` (`fid` ASC)", output);
+                            "\n\tADD UNIQUE INDEX `ix2` (`fid` ASC)", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table `test`.`tb1`" + //
+                "\n\tadd unique index `ix2` (`fid` asc)", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

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

@@ -30,10 +30,14 @@ public class MySqlAlterTableAddPrimaryKey extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE `test`.`tb1`" + //
                             "\n\tCHANGE COLUMN `fid` `fid` INT(11) NOT NULL NULL,\n\t" + //
-                            "ADD PRIMARY KEY (`fid`)", output);
+                            "ADD PRIMARY KEY (`fid`)", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table `test`.`tb1`" + //
+                "\n\tchange column `fid` `fid` INT(11) not null null,\n\t" + //
+                "add primary key (`fid`)", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlAlterTableAddPrimaryKey_1.java

@@ -31,9 +31,12 @@ public class MySqlAlterTableAddPrimaryKey_1 extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE tabelname" + //
-                            "\n\tADD CONSTRAINT mYconstraint PRIMARY KEY (id)", output);
+                            "\n\tADD CONSTRAINT mYconstraint PRIMARY KEY (id)", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table tabelname" + //
+                "\n\tadd constraint mYconstraint primary key (id)", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

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

@@ -31,9 +31,12 @@ public class MySqlAlterTableAlterColumnDropDefaultTest extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE tabelname" + //
-                            "\n\tALTER COLUMN operateVersion DROP DEFAULT", output);
+                            "\n\tALTER COLUMN operateVersion DROP DEFAULT", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table tabelname" + //
+                "\n\talter column operateVersion drop default", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

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

@@ -31,9 +31,12 @@ public class MySqlAlterTableAlterColumnSetDefaultTest extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE tabelname" + //
-                            "\n\tALTER COLUMN operateVersion SET DEFAULT 0", output);
+                            "\n\tALTER COLUMN operateVersion SET DEFAULT 0", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table tabelname" + //
+                "\n\talter column operateVersion set default 0", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

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

@@ -41,10 +41,12 @@ public class MySqlAlterTableDisableKeys extends TestCase {
         System.out.println("coditions : " + visitor.getConditions());
         System.out.println("orderBy : " + visitor.getOrderByColumns());
 
-        String output = SQLUtils.toMySqlString(stmt);
         Assert.assertEquals("ALTER TABLE tableName" + //
-                            "\n\tDISABLE KEYS", output);
+                            "\n\tDISABLE KEYS", SQLUtils.toMySqlString(stmt));
 
+        Assert.assertEquals("alter table tableName" + //
+                "\n\tdisable keys", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
+        
         Assert.assertEquals(1, visitor.getTables().size());
         Assert.assertEquals(0, visitor.getColumns().size());
     }

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlAlterTableDropIndex_0.java

@@ -30,9 +30,12 @@ public class MySqlAlterTableDropIndex_0 extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE `test`.`tb1`" + //
-                            "\n\tDROP INDEX `ix`", output);
+                            "\n\tDROP INDEX `ix`", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table `test`.`tb1`" + //
+                "\n\tdrop index `ix`", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlAlterTableDropIndex_1.java

@@ -31,10 +31,14 @@ public class MySqlAlterTableDropIndex_1 extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE `test`.`tb1`" + //
                             "\n\tDROP INDEX `ix`," + //
-                            "\n\tDROP INDEX `ix2`", output);
+                            "\n\tDROP INDEX `ix2`", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table `test`.`tb1`" + //
+                "\n\tdrop index `ix`," + //
+                "\n\tdrop index `ix2`", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

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

@@ -31,9 +31,12 @@ public class MySqlAlterTableDropKey extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE t6" + //
-                            "\n\tDROP KEY v", output);
+                            "\n\tDROP KEY v", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table t6" + //
+                "\n\tdrop key v", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

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

@@ -16,14 +16,14 @@
 package com.alibaba.druid.bvt.sql.mysql;
 
 import org.junit.Assert;
-import junit.framework.TestCase;
 
 import com.alibaba.druid.sql.SQLUtils;
 import com.alibaba.druid.sql.ast.SQLStatement;
 import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
 import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
 import com.alibaba.druid.sql.parser.Token;
-import com.alibaba.druid.stat.TableStat.Column;
+
+import junit.framework.TestCase;
 
 public class MySqlAlterTableDropPrimaryKey extends TestCase {
 
@@ -41,9 +41,11 @@ public class MySqlAlterTableDropPrimaryKey extends TestCase {
         System.out.println("coditions : " + visitor.getConditions());
         System.out.println("orderBy : " + visitor.getOrderByColumns());
 
-        String output = SQLUtils.toMySqlString(stmt);
         Assert.assertEquals("ALTER TABLE tableName" + //
-                            "\n\tDROP PRIMARY KEY", output);
+                            "\n\tDROP PRIMARY KEY", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table tableName" + //
+                "\n\tdrop primary key", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         Assert.assertEquals(1, visitor.getTables().size());
         Assert.assertEquals(0, visitor.getColumns().size());

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

@@ -31,9 +31,12 @@ public class MySqlAlterTableDrop_Test extends TestCase {
         MySqlStatementParser parser = new MySqlStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toMySqlString(stmt);
+        
         Assert.assertEquals("ALTER TABLE `rules`" //
-                            + "\n\tDROP COLUMN `enabled`", output);
+                            + "\n\tDROP COLUMN `enabled`", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table `rules`" //
+                            + "\n\tdrop column `enabled`", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 
 }

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

@@ -16,14 +16,14 @@
 package com.alibaba.druid.bvt.sql.mysql;
 
 import org.junit.Assert;
-import junit.framework.TestCase;
 
 import com.alibaba.druid.sql.SQLUtils;
 import com.alibaba.druid.sql.ast.SQLStatement;
 import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
 import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
 import com.alibaba.druid.sql.parser.Token;
-import com.alibaba.druid.stat.TableStat.Column;
+
+import junit.framework.TestCase;
 
 public class MySqlAlterTableEnableKeys extends TestCase {
 
@@ -41,9 +41,11 @@ public class MySqlAlterTableEnableKeys extends TestCase {
         System.out.println("coditions : " + visitor.getConditions());
         System.out.println("orderBy : " + visitor.getOrderByColumns());
 
-        String output = SQLUtils.toMySqlString(stmt);
         Assert.assertEquals("ALTER TABLE tableName" + //
-                            "\n\tENABLE KEYS", output);
+                            "\n\tENABLE KEYS", SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table tableName" + //
+                "\n\tenable keys", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         Assert.assertEquals(1, visitor.getTables().size());
         Assert.assertEquals(0, visitor.getColumns().size());

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

@@ -42,11 +42,15 @@ public class MySqlAlterTableTest_addFk extends TestCase {
         System.out.println("coditions : " + visitor.getConditions());
         System.out.println("orderBy : " + visitor.getOrderByColumns());
 
-        String output = SQLUtils.toMySqlString(stmt);
         Assert.assertEquals("ALTER TABLE Test2" + //
                                     "\n\tADD INDEX FK4CF5DC0F5DD7C31 (test1_name)," + //
                                     "\n\tADD CONSTRAINT FK4CF5DC0F5DD7C31 FOREIGN KEY (test1_name) REFERENCES Test1 (name)",
-                            output);
+                                    SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("alter table Test2" + //
+                "\n\tadd index FK4CF5DC0F5DD7C31 (test1_name)," + //
+                "\n\tadd constraint FK4CF5DC0F5DD7C31 foreign key (test1_name) references Test1 (name)",
+                SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         Assert.assertEquals(2, visitor.getTables().size());
         Assert.assertEquals(2, visitor.getColumns().size());

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

@@ -41,10 +41,12 @@ public class MySqlAlterTableTest_drop_constraint extends TestCase {
         System.out.println("coditions : " + visitor.getConditions());
         System.out.println("orderBy : " + visitor.getOrderByColumns());
 
-        String output = SQLUtils.toMySqlString(stmt);
         Assert.assertEquals("ALTER TABLE TUSER" + //
-                            "\n\tDROP CONSTRAINT UK_084c17821a8f47e8b31fbb126b6", output);
+                            "\n\tDROP CONSTRAINT UK_084c17821a8f47e8b31fbb126b6", SQLUtils.toMySqlString(stmt));
 
+        Assert.assertEquals("alter table TUSER" + //
+                "\n\tdrop constraint UK_084c17821a8f47e8b31fbb126b6", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
+        
         Assert.assertEquals(1, visitor.getTables().size());
         Assert.assertEquals(0, visitor.getColumns().size());
     }

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlCreateUserTest_1.java

@@ -40,9 +40,10 @@ public class MySqlCreateUserTest_1 extends MysqlTest {
         MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
         stmt.accept(visitor);
         
-        String output = SQLUtils.toMySqlString(stmt);
         Assert.assertEquals("CREATE USER 'jeffrey'@'localhost'", //
-                            output);
+                            SQLUtils.toMySqlString(stmt));
+        Assert.assertEquals("create user 'jeffrey'@'localhost'", //
+                            SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         System.out.println("Tables : " + visitor.getTables());
         System.out.println("fields : " + visitor.getColumns());

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlCreateUserTest_2.java

@@ -40,9 +40,10 @@ public class MySqlCreateUserTest_2 extends MysqlTest {
         MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
         stmt.accept(visitor);
         
-        String output = SQLUtils.toMySqlString(stmt);
         Assert.assertEquals("CREATE USER 'jeffrey'@'localhost' IDENTIFIED BY 'mypass'", //
-                            output);
+                            SQLUtils.toMySqlString(stmt));
+        Assert.assertEquals("create user 'jeffrey'@'localhost' identified by 'mypass'", //
+                            SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         System.out.println("Tables : " + visitor.getTables());
         System.out.println("fields : " + visitor.getColumns());

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlCreateUserTest_3.java

@@ -41,9 +41,11 @@ public class MySqlCreateUserTest_3 extends MysqlTest {
         MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
         stmt.accept(visitor);
         
-        String output = SQLUtils.toMySqlString(stmt);
         Assert.assertEquals("CREATE USER 'jeffrey'@'localhost' IDENTIFIED BY PASSWORD '*90E462C37378CED12064BB3388827D2BA3A9B689'", //
-                            output);
+                            SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("create user 'jeffrey'@'localhost' identified by password '*90E462C37378CED12064BB3388827D2BA3A9B689'", //
+                            SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         System.out.println("Tables : " + visitor.getTables());
         System.out.println("fields : " + visitor.getColumns());

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlCreateUserTest_4.java

@@ -41,9 +41,11 @@ public class MySqlCreateUserTest_4 extends MysqlTest {
         MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
         stmt.accept(visitor);
         
-        String output = SQLUtils.toMySqlString(stmt);
         Assert.assertEquals("CREATE USER 'jeffrey'@'localhost' IDENTIFIED WITH my_auth_plugin", //
-                            output);
+                            SQLUtils.toMySqlString(stmt));
+        
+        Assert.assertEquals("create user 'jeffrey'@'localhost' identified with my_auth_plugin", //
+                            SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         System.out.println("Tables : " + visitor.getTables());
         System.out.println("fields : " + visitor.getColumns());

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

@@ -12,6 +12,9 @@ public class OdpsAlterTableDisableLifecycle extends TestCase {
         String sql = "ALTER TABLE trans  DISABLE LIFECYCLE;";
         Assert.assertEquals("ALTER TABLE trans" //
                 + "\n\tDISABLE LIFECYCLE;", SQLUtils.formatOdps(sql));
+        
+        Assert.assertEquals("alter table trans" //
+                            + "\n\tdisable lifecycle;", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
     
 
@@ -19,5 +22,8 @@ public class OdpsAlterTableDisableLifecycle extends TestCase {
         String sql = "ALTER TABLE trans PARTITION(dt='20141111') DISABLE LIFECYCLE;";
         Assert.assertEquals("ALTER TABLE trans"
                 + "\n\tPARTITION (dt = '20141111') DISABLE LIFECYCLE;", SQLUtils.formatOdps(sql));
+        
+        Assert.assertEquals("alter table trans"
+                + "\n\tpartition (dt = '20141111') disable lifecycle;", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 }

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

@@ -12,6 +12,9 @@ public class OdpsAlterTableEnableLifecycle extends TestCase {
         String sql = "ALTER TABLE trans  ENABLE LIFECYCLE;";
         Assert.assertEquals("ALTER TABLE trans" //
                 + "\n\tENABLE LIFECYCLE;", SQLUtils.formatOdps(sql));
+        
+        Assert.assertEquals("alter table trans" //
+                            + "\n\tenable lifecycle;", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
     
 
@@ -19,5 +22,8 @@ public class OdpsAlterTableEnableLifecycle extends TestCase {
         String sql = "ALTER TABLE trans PARTITION(dt='20141111') ENABLE LIFECYCLE;";
         Assert.assertEquals("ALTER TABLE trans"
                 + "\n\tPARTITION (dt = '20141111') ENABLE LIFECYCLE;", SQLUtils.formatOdps(sql));
+        
+        Assert.assertEquals("alter table trans"
+                + "\n\tpartition (dt = '20141111') enable lifecycle;", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 }

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

@@ -16,7 +16,8 @@ public class OdpsSetLabelTest extends TestCase {
         OdpsStatementParser parser = new OdpsStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toOdpsString(stmt);
-        Assert.assertEquals("SET LABEL S3 TO USER aliyun$abc@alibaba-inc.com", output);
+        
+        Assert.assertEquals("SET LABEL S3 TO USER aliyun$abc@alibaba-inc.com", SQLUtils.toOdpsString(stmt));
+        Assert.assertEquals("set label S3 to user aliyun$abc@alibaba-inc.com", SQLUtils.toOdpsString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 }

src/test/java/com/alibaba/druid/bvt/sql/odps/OdpsShowTablesTest0.java

@@ -25,8 +25,9 @@ public class OdpsShowTablesTest0 extends TestCase {
         OdpsStatementParser parser = new OdpsStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toOdpsString(stmt);
-        Assert.assertEquals("SHOW TABLES FROM xx", output);
+        
+        Assert.assertEquals("SHOW TABLES FROM xx", SQLUtils.toOdpsString(stmt));
+        Assert.assertEquals("show tables from xx", SQLUtils.toOdpsString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
     
     public void test_from_like() throws Exception {
@@ -34,7 +35,8 @@ public class OdpsShowTablesTest0 extends TestCase {
         OdpsStatementParser parser = new OdpsStatementParser(sql);
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
-        String output = SQLUtils.toOdpsString(stmt);
-        Assert.assertEquals("SHOW TABLES FROM xx LIKE '*'", output);
+        
+        Assert.assertEquals("SHOW TABLES FROM xx LIKE '*'", SQLUtils.toOdpsString(stmt));
+        Assert.assertEquals("show tables from xx like '*'", SQLUtils.toOdpsString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
     }
 }

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGCreateTableTest_4.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;
@@ -36,13 +37,26 @@ public class PGCreateTableTest_4 extends PGTest {
 
         PGSQLStatementParser parser = new PGSQLStatementParser(sql);
         List<SQLStatement> statementList = parser.parseStatementList();
-        SQLStatement statemen = statementList.get(0);
-        print(statementList);
+        SQLStatement stmt = statementList.get(0);
+
+        Assert.assertEquals("CREATE TABLE products ("
+                + "\n\tproduct_no integer,"
+                + "\n\tname text,"
+                + "\n\tprice numeric"
+                + "\n\t\tCHECK (price > 0)"
+                + "\n)", SQLUtils.toPGString(stmt));
+        
+        Assert.assertEquals("create table products ("
+                + "\n\tproduct_no integer,"
+                + "\n\tname text,"
+                + "\n\tprice numeric"
+                + "\n\t\tcheck (price > 0)"
+                + "\n)", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         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());

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGCreateTableTest_5.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;
@@ -34,13 +35,20 @@ public class PGCreateTableTest_5 extends PGTest {
 
         PGSQLStatementParser parser = new PGSQLStatementParser(sql);
         List<SQLStatement> statementList = parser.parseStatementList();
-        SQLStatement statemen = statementList.get(0);
-        print(statementList);
+        SQLStatement stmt = statementList.get(0);
+        
+        Assert.assertEquals("CREATE TABLE products ("
+                + "\n\tstate char(2)"
+                + "\n) INHERITS (cities)", SQLUtils.toPGString(stmt));
+        
+        Assert.assertEquals("create table products ("
+                + "\n\tstate char(2)"
+                + "\n) inherits (cities)", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         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());

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGInsertTest5.java

@@ -37,13 +37,13 @@ public class PGInsertTest5 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());

src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest23.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;
@@ -31,19 +32,25 @@ public class PGSelectTest23 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("SELECT id, login_name, name, password, salt"
                 + "\n\t, roles, register_date"
                 + "\nFROM user"
                 + "\nWHERE name LIKE ?"
-                + "\nLIMIT ? OFFSET ?", output(statementList));
+                + "\nLIMIT ? OFFSET ?", SQLUtils.toPGString(stmt));
+        
+        Assert.assertEquals("select id, login_name, name, password, salt"
+                + "\n\t, roles, register_date"
+                + "\nfrom user"
+                + "\nwhere name like ?"
+                + "\nlimit ? offset ?", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         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());

src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerCreateTableTest_3.java

@@ -47,7 +47,6 @@ public class SQLServerCreateTableTest_3 extends TestCase {
 
         Assert.assertEquals(1, statementList.size());
 
-        String output = SQLUtils.toSQLString(stmt, JdbcConstants.SQL_SERVER);
         Assert.assertEquals("CREATE TABLE dbo.cwd_directory (" //
                 + "\n\tID NUMERIC NOT NULL,"//
                 + "\n\tdirectory_name NVARCHAR(255),"//
@@ -61,7 +60,23 @@ public class SQLServerCreateTableTest_3 extends TestCase {
                 + "\n\tdirectory_type NVARCHAR(60),"//
                 + "\n\tdirectory_position NUMERIC,"//
                 + "\n\tCONSTRAINT PK_cwd_directory PRIMARY KEY (ID)"//
-                + "\n)", output);
+                + "\n)", SQLUtils.toSQLString(stmt, JdbcConstants.SQL_SERVER));
+        
+        
+        Assert.assertEquals("create table dbo.cwd_directory (" //
+                            + "\n\tID NUMERIC not null,"//
+                            + "\n\tdirectory_name NVARCHAR(255),"//
+                            + "\n\tlower_directory_name NVARCHAR(255),"//
+                            + "\n\tcreated_date DATETIME,"//
+                            + "\n\tupdated_date DATETIME,"//
+                            + "\n\tactive int,"//
+                            + "\n\tdescription NVARCHAR(255),"//
+                            + "\n\timpl_class NVARCHAR(255),"//
+                            + "\n\tlower_impl_class NVARCHAR(255),"//
+                            + "\n\tdirectory_type NVARCHAR(60),"//
+                            + "\n\tdirectory_position NUMERIC,"//
+                            + "\n\tconstraint PK_cwd_directory primary key (ID)"//
+                            + "\n)", SQLUtils.toSQLString(stmt, JdbcConstants.SQL_SERVER, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
         SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
         stmt.accept(visitor);

src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerTopTest.java

@@ -16,26 +16,24 @@
 package com.alibaba.druid.bvt.sql.sqlserver;
 
 import org.junit.Assert;
-import junit.framework.TestCase;
 
+import com.alibaba.druid.sql.SQLUtils;
 import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
 import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
-import com.alibaba.druid.sql.test.TestUtils;
+
+import junit.framework.TestCase;
 
 public class SQLServerTopTest extends TestCase {
 
     public void test_isEmpty() throws Exception {
         String sql = "SELECT TOP 10 * FROM T";
 
-        String expect = "SELECT TOP 10 *\nFROM T";
-
         SQLServerStatementParser parser = new SQLServerStatementParser(sql);
         SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
 
-        String text = TestUtils.outputSqlServer(stmt);
 
-        Assert.assertEquals(expect, text);
+        Assert.assertEquals("SELECT TOP 10 *\nFROM T", SQLUtils.toSQLServerString(stmt));
+        Assert.assertEquals("select top 10 *\nfrom T", SQLUtils.toSQLServerString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
 
-        System.out.println(text);
     }
 }