feat: 更新语法定义，以便支持多条 sql

Author: CritasWang

benchmark/data/create.sql

@@ -1,6 +1,6 @@
 {
   "name": "iotdb-sql-parser",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "authors": "CritasWang, IoTDB Community",
   "description": "SQL Parser for IoTDB, built with antlr4, based on dt-sql-parser",
   "keywords": [

package.json

@@ -42,19 +42,19 @@ statements
     ;
 
 singleStatement
-    : statement EOF
+    : statement SEMICOLON?
     ;
 
 standaloneExpression
-    : expression EOF
+    : expression SEMICOLON?
     ;
 
 standaloneType
-    : type EOF
+    : type SEMICOLON?
     ;
 
 standaloneRowPattern
-    : rowPattern EOF
+    : rowPattern SEMICOLON?
     ;
 
 statement

src/grammar/iotdb-table/RelationalSql.g4

@@ -44,7 +44,7 @@ statements
  */
 
 singleStatement
-    : DEBUG? statement SEMI? EOF
+    : statement SEMI?
     ;
 
 statement