Merge pull request #3245 from ufo001sos002/master

issue #3240 visit(MySqlChecksumTableStatement x) 方法中 中文逗号问题

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

@@ -87,6 +87,7 @@ import com.alibaba.druid.sql.ast.statement.SQLCreateProcedureStatement;
 import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement;
 import com.alibaba.druid.sql.ast.statement.SQLExprStatement;
 import com.alibaba.druid.sql.ast.statement.SQLExprTableSource;
+import com.alibaba.druid.sql.ast.statement.SQLFetchStatement;
 import com.alibaba.druid.sql.ast.statement.SQLIfStatement;
 import com.alibaba.druid.sql.ast.statement.SQLInsertStatement;
 import com.alibaba.druid.sql.ast.statement.SQLLoopStatement;
@@ -5542,4 +5543,33 @@ public class MySqlStatementParser extends SQLStatementParser {
 
         return stmt;
     }
+    
+    /**
+     * FETCH [[NEXT] FROM] cursor_name INTO var_name [, var_name] ...
+     */
+    public SQLFetchStatement parseFetch() {
+        accept(Token.FETCH);
+
+        if (lexer.identifierEquals("NEXT")) {
+            lexer.nextToken();
+            accept(Token.FROM);
+        } else if (Token.FROM == lexer.token()) {
+            lexer.nextToken();
+        }
+
+        SQLFetchStatement stmt = new SQLFetchStatement();
+        stmt.setCursorName(this.exprParser.name());
+
+        accept(Token.INTO);
+        for (;;) {
+            stmt.getInto().add(this.exprParser.name());
+            if (lexer.token() == Token.COMMA) {
+                lexer.nextToken();
+                continue;
+            }
+            break;
+        }
+
+        return stmt;
+    }
 }

src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java

@@ -4412,7 +4412,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
     @Override
     public boolean visit(MySqlChecksumTableStatement x) {
         print0(ucase ? "CHECKSUM TABLE " : "checksum table ");
-        printAndAccept(x.getTables(), "，");
+        printAndAccept(x.getTables(), ", ");
         return false;
     }
 } //