diff --git a/src/main/java/com/alibaba/druid/sql/parser/CharTypes.java b/src/main/java/com/alibaba/druid/sql/parser/CharTypes.java
index 94ea06331e..4ecd057264 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/CharTypes.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/CharTypes.java
@@ -1,98 +1,99 @@
-/*
- * Copyright 1999-2011 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.alibaba.druid.sql.parser;
-
-public class CharTypes {
-
-    private final static boolean[] hexFlags = new boolean[256];
-    static {
-        for (char c = 0; c < hexFlags.length; ++c) {
-            if (c >= 'A' && c <= 'F') {
-                hexFlags[c] = true;
-            } else if (c >= 'a' && c <= 'f') {
-                hexFlags[c] = true;
-            } else if (c >= '0' && c <= '9') {
-                hexFlags[c] = true;
-            }
-        }
-    }
-
-    public static boolean isHex(char c) {
-        return c < 256 && hexFlags[c];
-    }
-
-    public static boolean isDigit(char c) {
-        return c >= '0' && c <= '9';
-    }
-
-    private final static boolean[] firstIdentifierFlags = new boolean[256];
-    static {
-        for (char c = 0; c < firstIdentifierFlags.length; ++c) {
-            if (c >= 'A' && c <= 'Z') {
-                firstIdentifierFlags[c] = true;
-            } else if (c >= 'a' && c <= 'z') {
-                firstIdentifierFlags[c] = true;
-            }
-        }
-        firstIdentifierFlags['`'] = true;
-        firstIdentifierFlags['_'] = true;
-        firstIdentifierFlags['$'] = true;
-    }
-
-    public static boolean isFirstIdentifierChar(char c) {
-        return c > firstIdentifierFlags.length || firstIdentifierFlags[c];
-    }
-
-    private final static boolean[] identifierFlags = new boolean[256];
-    static {
-        for (char c = 0; c < identifierFlags.length; ++c) {
-            if (c >= 'A' && c <= 'Z') {
-                identifierFlags[c] = true;
-            } else if (c >= 'a' && c <= 'z') {
-                identifierFlags[c] = true;
-            } else if (c >= '0' && c <= '9') {
-                identifierFlags[c] = true;
-            }
-        }
-        // identifierFlags['`'] = true;
-        identifierFlags['_'] = true;
-        identifierFlags['$'] = true;
-        identifierFlags['#'] = true;
-    }
-
-    public static boolean isIdentifierChar(char c) {
-        return c > identifierFlags.length || identifierFlags[c];
-    }
-
-    private final static boolean[] whitespaceFlags = new boolean[256];
-    static {
-        whitespaceFlags[' '] = true;
-        whitespaceFlags['\n'] = true;
-        whitespaceFlags['\r'] = true;
-        whitespaceFlags['\t'] = true;
-        whitespaceFlags['\f'] = true;
-        whitespaceFlags['\b'] = true;
-        whitespaceFlags[160] = true; // 特别处理
-    }
-
-    /**
-     * @return false if {@link LayoutCharacters#EOI}
-     */
-    public static boolean isWhitespace(char c) {
-        return c <= whitespaceFlags.length && whitespaceFlags[c];
-    }
-
-}
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.sql.parser;
+
+public class CharTypes {
+
+    private final static boolean[] hexFlags = new boolean[256];
+    static {
+        for (char c = 0; c < hexFlags.length; ++c) {
+            if (c >= 'A' && c <= 'F') {
+                hexFlags[c] = true;
+            } else if (c >= 'a' && c <= 'f') {
+                hexFlags[c] = true;
+            } else if (c >= '0' && c <= '9') {
+                hexFlags[c] = true;
+            }
+        }
+    }
+
+    public static boolean isHex(char c) {
+        return c < 256 && hexFlags[c];
+    }
+
+    public static boolean isDigit(char c) {
+        return c >= '0' && c <= '9';
+    }
+
+    private final static boolean[] firstIdentifierFlags = new boolean[256];
+    static {
+        for (char c = 0; c < firstIdentifierFlags.length; ++c) {
+            if (c >= 'A' && c <= 'Z') {
+                firstIdentifierFlags[c] = true;
+            } else if (c >= 'a' && c <= 'z') {
+                firstIdentifierFlags[c] = true;
+            }
+        }
+        firstIdentifierFlags['`'] = true;
+        firstIdentifierFlags['_'] = true;
+        firstIdentifierFlags['$'] = true;
+    }
+
+    public static boolean isFirstIdentifierChar(char c) {
+        return c > firstIdentifierFlags.length || firstIdentifierFlags[c];
+    }
+
+    private final static boolean[] identifierFlags = new boolean[256];
+    static {
+        for (char c = 0; c < identifierFlags.length; ++c) {
+            if (c >= 'A' && c <= 'Z') {
+                identifierFlags[c] = true;
+            } else if (c >= 'a' && c <= 'z') {
+                identifierFlags[c] = true;
+            } else if (c >= '0' && c <= '9') {
+                identifierFlags[c] = true;
+            }
+        }
+        // identifierFlags['`'] = true;
+        identifierFlags['_'] = true;
+        identifierFlags['$'] = true;
+        identifierFlags['#'] = true;
+    }
+
+    public static boolean isIdentifierChar(char c) {
+        return c > identifierFlags.length || identifierFlags[c];
+    }
+
+    private final static boolean[] whitespaceFlags = new boolean[256];
+    static {
+        whitespaceFlags[' '] = true;
+        whitespaceFlags['\n'] = true;
+        whitespaceFlags['\r'] = true;
+        whitespaceFlags['\t'] = true;
+        whitespaceFlags['\f'] = true;
+        whitespaceFlags['\b'] = true;
+        whitespaceFlags[160] = true; // 特别处理
+    }
+
+    /**
+     * @return false if {@link LayoutCharacters#EOI}
+     */
+    public static boolean isWhitespace(char c) {
+        return (c <= whitespaceFlags.length && whitespaceFlags[c]) //
+                || c == '　'; // Chinese space
+    }
+
+}
diff --git a/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleSelectTest45.java b/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleSelectTest45.java
new file mode 100644
index 0000000000..4853e48a97
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleSelectTest45.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.oracle;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.OracleTest;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
+import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
+import com.alibaba.druid.sql.test.TestUtils;
+
+public class OracleSelectTest45 extends OracleTest {
+
+    public void test_0() throws Exception {
+        String sql = //
+        "SELECT T1.BC_ID AS BCID,SUM(PRODUCT_NUM) AS COUNT " //
+                + "　　FROM MT_PRODUCT_ORDER T1 ,MT_ORDER T2 " //
+                + "　　WHERE T1.MT_ORDER_ID= T2.MT_ORDER_ID " //
+                + "AND T2.PUBLISH_TIME>= ? " //
+                + "AND T1.STATES = '0' AND T2.STATES = '0' " //
+                + "AND REFUND_STATE = '0' " //
+                + "AND PRODUCT_ORDER_STATE >= 300 " //
+                + "AND BC_ID in (?) " //
+                + "GROUP BY BC_ID"; //
+
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement stmt = statementList.get(0);
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
+        stmt.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(2, visitor.getTables().size());
+
+        Assert.assertEquals(10, visitor.getColumns().size());
+
+        String text = TestUtils.outputOracle(stmt);
+
+        Assert.assertEquals("SELECT T1.BC_ID AS BCID, SUM(PRODUCT_NUM) AS COUNT"
+                + "\nFROM MT_PRODUCT_ORDER T1, MT_ORDER T2"
+                + "\nWHERE T1.MT_ORDER_ID = T2.MT_ORDER_ID"
+                + "\n\tAND T2.PUBLISH_TIME >= ?"
+                + "\n\tAND T1.STATES = '0'"
+                + "\n\tAND T2.STATES = '0'"
+                + "\n\tAND REFUND_STATE = '0'"
+                + "\n\tAND PRODUCT_ORDER_STATE >= 300"
+                + "\n\tAND BC_ID IN (?)"
+                + "\nGROUP BY BC_ID;\n", text);
+
+        // Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("acduser.vw_acd_info", "xzqh")));
+
+        // Assert.assertTrue(visitor.getOrderByColumns().contains(new TableStat.Column("employees", "last_name")));
+    }
+}