Change the text of error for create user with password.

commit_hash:6631b600dda026c616983f0b08daa912beb0f5db

Author: flown4qqqq

yql/essentials/sql/v1/SQLv1.g.in

@@ -845,8 +845,9 @@ role_name: an_id_or_type | bind_parameter;
 user_option: authentication_option | login_option;
 
 authentication_option: password_option | hash_option;
-password_option: ENCRYPTED? PASSWORD expr;
-hash_option: HASH expr;
+password_option: ENCRYPTED? PASSWORD password_value;
+password_value: STRING_VALUE | NULL;
+hash_option: HASH STRING_VALUE;
 login_option: LOGIN | NOLOGIN;
 
 grant_permissions_stmt: GRANT permission_name_target ON an_id_schema (COMMA an_id_schema)* TO role_name (COMMA role_name)* COMMA? (WITH GRANT OPTION)?;

yql/essentials/sql/v1/SQLv1Antlr4.g.in

@@ -844,8 +844,9 @@ role_name: an_id_or_type | bind_parameter;
 user_option: authentication_option | login_option;
 
 authentication_option: password_option | hash_option;
-password_option: ENCRYPTED? PASSWORD expr;
-hash_option: HASH expr;
+password_option: ENCRYPTED? PASSWORD password_value;
+password_value: STRING_VALUE | NULL;
+hash_option: HASH STRING_VALUE;
 login_option: LOGIN | NOLOGIN;
 
 grant_permissions_stmt: GRANT permission_name_target ON an_id_schema (COMMA an_id_schema)* TO role_name (COMMA role_name)* COMMA? (WITH GRANT OPTION)?;

yql/essentials/sql/v1/sql_translation.cpp

@@ -3819,35 +3819,44 @@ bool TSqlTranslation::RoleNameClause(const TRule_role_name& node, TDeferredAtom&
 }
 
 bool TSqlTranslation::PasswordParameter(const TRule_password_option& passwordOption, TUserParameters& result) {
-    // password_option: ENCRYPTED? PASSWORD expr;
-    TSqlExpression expr(Ctx, Mode);
-    TNodePtr password = expr.Build(passwordOption.GetRule_expr3());
-    if (!password) {
-        Error() << "Couldn't parse the password";
-        return false;
+    // password_option: ENCRYPTED? PASSWORD password_value;
+    // password_value: STRING_VALUE | NULL;
+
+    const auto& token = passwordOption.GetRule_password_value3().GetToken1();
+    TString stringValue(Ctx.Token(token));
+
+    if (to_lower(stringValue) == "null") {
+        // result.Password = default value
+    } else {
+        auto password = StringContent(Ctx, Ctx.Pos(), stringValue);
+
+        if (!password) {
+            Error() << "Password should be enclosed into quotation marks.";
+            return false;
+        }
+
+        result.Password = TDeferredAtom(Ctx.Pos(), std::move(password->Content));
     }
 
     result.IsPasswordEncrypted = passwordOption.HasBlock1();
-    if (!password->IsNull()) {
-        result.Password = MakeAtomFromExpression(Ctx.Pos(), Ctx, password);
-    }
 
     return true;
 }
 
 bool TSqlTranslation::HashParameter(const TRule_hash_option& hashOption, TUserParameters& result) {
-    // hash_option: HASH expr;
-    TSqlExpression expr(Ctx, Mode);
-    TNodePtr hash = expr.Build(hashOption.GetRule_expr2());
+    // hash_option: HASH STRING_VALUE;
+
+    const auto& token = hashOption.GetToken2();
+    TString stringValue(Ctx.Token(token));
+
+    auto hash = StringContent(Ctx, Ctx.Pos(), stringValue);
 
     if (!hash) {
-        Error() << "Couldn't parse the hash of password";
+        Error() << "Hash should be enclosed into quotation marks.";
         return false;
     }
 
-    if (!hash->IsNull()) {
-        result.Hash = MakeAtomFromExpression(Ctx.Pos(), Ctx, hash);
-    }
+    result.Hash = TDeferredAtom(Ctx.Pos(), std::move(hash->Content));
 
     return true;
 }

yql/essentials/sql/v1/sql_ut_common.h

@@ -571,6 +571,53 @@ Y_UNIT_TEST_SUITE(SqlParsingOnly) {
         UNIT_ASSERT(reqAlterUser.IsOk());
     }
 
+    Y_UNIT_TEST(CreateUserQoutas) {
+        {
+            auto req = SqlToYql(R"(
+                use plato;
+                CREATE USER user1 PASSWORD passwd;
+            )");
+
+#if ANTLR_VER == 3
+            TString error = "<main>:3:43: Error: Unexpected token 'passwd' : unexpected input : nothing is expected here\n\n";
+#else
+            TString error = "<main>:3:43: Error: mismatched input 'passwd' expecting {NULL, STRING_VALUE}\n";
+#endif
+            UNIT_ASSERT_VALUES_EQUAL(Err2Str(req), error);
+            UNIT_ASSERT(!req.Root);
+        }
+
+        {
+            auto req = SqlToYql(R"(
+                use plato;
+                CREATE USER user2 PASSWORD NULL;
+            )");
+
+            UNIT_ASSERT(req.Root);
+        }
+
+        {
+            auto req = SqlToYql(R"(
+                use plato;
+                CREATE USER user3 PASSWORD '';
+            )");
+
+            UNIT_ASSERT(req.Root);
+        }
+
+
+        {
+            auto req = SqlToYql(R"(
+                use plato;
+                CREATE USER user1 PASSWORD 'password1';
+                CREATE USER user2 PASSWORD 'password2';
+                CREATE USER user3;
+            )");
+
+            UNIT_ASSERT(req.Root);
+        }
+    }
+
     Y_UNIT_TEST(JoinWithoutConcreteColumns) {
         NYql::TAstParseResult res = SqlToYql(
             " use plato;"