improve parser

src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlCreateTableParser.java

@@ -76,7 +76,7 @@ public class MySqlCreateTableParser extends SQLCreateTableParser {
             lexer.nextToken();
 
             for (;;) {
-                if (lexer.token() == Token.IDENTIFIER) {
+                if (lexer.token() == Token.IDENTIFIER || lexer.token() == Token.LITERAL_CHARS) {
                     SQLColumnDefinition column = this.exprParser.parseColumn();
                     stmt.getTableElementList().add(column);
                 } else if (lexer.token() == Token.CONSTRAINT //

src/main/java/com/alibaba/druid/sql/visitor/SchemaStatVisitor.java

@@ -146,6 +146,7 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
         boolean flag0 = false;
         boolean flag1 = false;
         boolean flag2 = false;
+        boolean flag3 = false;
         for (int i = 0; i < ident.length(); ++i) {
             final char ch = ident.charAt(i);
             if (ch == '\"') {
@@ -154,6 +155,8 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
                 flag1 = true;
             } else if (ch == ' ') {
                 flag2 = true;
+            } else if (ch == '\'') {
+                flag3 = true;
             }
         }
         if (flag0) {
@@ -167,6 +170,10 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
         if (flag2) {
             ident = ident.replaceAll(" ", "");
         }
+        
+        if (flag3) {
+            ident = ident.replaceAll("'", "");
+        }
 
         ident = aliasWrap(ident);
 

src/main/java/com/alibaba/druid/wall/WallProvider.java

@@ -469,7 +469,7 @@ public abstract class WallProvider {
             violations.addAll(visitor.getViolations());
         }
 
-        if (context != null && context.getWarnnings() >= 2) {
+        if (visitor.getViolations().size() == 0 && context != null && context.getWarnnings() >= 2) {
             if (context.getDeleteNoneConditionWarnnings() > 0) {
                 violations.add(new IllegalSQLObjectViolation(ErrorCode.NONE_CONDITION, "delete none condition", sql));
             } else if (context.getUpdateNoneConditionWarnnings() > 0) {

src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java

@@ -1180,6 +1180,11 @@ public class WallVisitorUtils {
         if (name.startsWith("\"") && name.endsWith("\"")) {
             name = name.substring(1, name.length() - 1);
         }
+        
+        if (name.startsWith("'") && name.endsWith("'")) {
+            name = name.substring(1, name.length() - 1);
+        }
+        
         if (name.startsWith("`") && name.endsWith("`")) {
             name = name.substring(1, name.length() - 1);
         }

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlCreateTableTest12.java

@@ -0,0 +1,57 @@
+/*
+ * 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.mysql;
+
+import java.util.List;
+
+import junit.framework.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+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.stat.TableStat;
+import com.alibaba.druid.stat.TableStat.Column;
+
+public class MySqlCreateTableTest12 extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "CREATE TABLE 'test' ('blob_col' BLOB, INDEX(blob_col(10)));";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement statemen = statementList.get(0);
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        statemen.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(1, visitor.getTables().size());
+        Assert.assertEquals(1, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("test")));
+
+         Assert.assertTrue(visitor.getColumns().contains(new Column("test", "blob_col")));
+    }
+}