fix typo error of KW_VALUE

src/parser/parser.yy

@@ -162,7 +162,7 @@ static constexpr size_t kCommentLengthLimit = 256;
 %token KW_BOOL KW_INT8 KW_INT16 KW_INT32 KW_INT64 KW_INT KW_FLOAT KW_DOUBLE
 %token KW_STRING KW_FIXED_STRING KW_TIMESTAMP KW_DATE KW_TIME KW_DATETIME
 %token KW_GO KW_AS KW_TO KW_USE KW_SET KW_FROM KW_WHERE KW_ALTER
-%token KW_MATCH KW_INSERT KW_VALUES KW_YIELD KW_RETURN KW_CREATE KW_VERTEX KW_VERTICES
+%token KW_MATCH KW_INSERT KW_VALUE KW_VALUES KW_YIELD KW_RETURN KW_CREATE KW_VERTEX KW_VERTICES
 %token KW_EDGE KW_EDGES KW_STEPS KW_OVER KW_UPTO KW_REVERSELY KW_SPACE KW_DELETE KW_FIND
 %token KW_TAG KW_TAGS KW_UNION KW_INTERSECT KW_MINUS
 %token KW_NO KW_OVERWRITE KW_IN KW_DESCRIBE KW_DESC KW_SHOW KW_HOST KW_HOSTS KW_PART KW_PARTS KW_ADD
@@ -433,6 +433,7 @@ legal_integer
  */
 unreserved_keyword
     : KW_SPACE              { $$ = new std::string("space"); }
+    | KW_VALUE              { $$ = new std::string("value"); }
     | KW_VALUES             { $$ = new std::string("values"); }
     | KW_HOST               { $$ = new std::string("host"); }
     | KW_HOSTS              { $$ = new std::string("hosts"); }

src/parser/scanner.lex

@@ -157,7 +157,7 @@ IP_OCTET                    ([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])
 "HOSTS"                     { return TokenType::KW_HOSTS; }
 "SPACE"                     { return TokenType::KW_SPACE; }
 "SPACES"                    { return TokenType::KW_SPACES; }
-"VALUE"                     { return TokenType::KW_VALUES; }
+"VALUE"                     { return TokenType::KW_VALUE; }
 "VALUES"                    { return TokenType::KW_VALUES; }
 "USER"                      { return TokenType::KW_USER; }
 "USERS"                     { return TokenType::KW_USERS; }

src/parser/test/ScannerTest.cpp

@@ -181,8 +181,8 @@ TEST(Scanner, Basic) {
       CHECK_SEMANTIC_TYPE("match", TokenType::KW_MATCH),
       CHECK_SEMANTIC_TYPE("INSERT", TokenType::KW_INSERT),
       CHECK_SEMANTIC_TYPE("insert", TokenType::KW_INSERT),
-      CHECK_SEMANTIC_TYPE("VALUE", TokenType::KW_VALUES),
-      CHECK_SEMANTIC_TYPE("value", TokenType::KW_VALUES),
+      CHECK_SEMANTIC_TYPE("VALUE", TokenType::KW_VALUE),
+      CHECK_SEMANTIC_TYPE("value", TokenType::KW_VALUE),
       CHECK_SEMANTIC_TYPE("VALUES", TokenType::KW_VALUES),
       CHECK_SEMANTIC_TYPE("values", TokenType::KW_VALUES),
       CHECK_SEMANTIC_TYPE("YIELD", TokenType::KW_YIELD),

tests/tck/features/bugfix/TypoError.feature

@@ -0,0 +1,39 @@
+# Copyright (c) 2021 vesoft inc. All rights reserved.
+#
+# This source code is licensed under Apache 2.0 License.
+Feature: Typo error
+
+  # issue https://github.com/vesoft-inc/nebula/issues/2204
+  Scenario: Typo error of KW_VALUE
+    Given an empty graph
+    And create a space with following options:
+      | partition_num  | 9                |
+      | replica_factor | 1                |
+      | vid_type       | FIXED_STRING(30) |
+      | charset        | utf8             |
+      | collate        | utf8_bin         |
+    When executing query:
+      """
+      CREATE tag test1(value int, values bool)
+      """
+    Then the execution should be successful
+    When executing query:
+      """
+      DESC TAG test1
+      """
+    Then the result should be, in any order, with relax comparison:
+      | Field    | Type    | Null  | Default | Comment |
+      | "value"  | "int64" | "YES" |         |         |
+      | "values" | "bool"  | "YES" |         |         |
+    When executing query:
+      """
+      CREATE tag value(value int, values bool)
+      """
+    Then the execution should be successful
+    When executing query:
+      """
+      SHOW CREATE TAG value
+      """
+    Then the result should be, in any order, with relax comparison:
+      | Tag     | Create Tag                                                                                        |
+      | "value" | 'CREATE TAG `value` (\n `value` int64 NULL, `values` bool NULL\n) ttl_duration = 0, ttl_col = ""' |