Fix parser error

kuzudb · May 25, 2023 · ff4f40b · ff4f40b
1 parent 58c92ee
commit ff4f40b
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Showing 4 changed files with 1,682 additions and 1,861 deletions.
diff --git a/src/antlr4/Cypher.g4 b/src/antlr4/Cypher.g4
@@ -283,9 +283,7 @@ oC_PatternElement
         ;
 
 oC_NodePattern
-    : '(' SP? ( oC_Variable SP? )? ( oC_NodeLabels SP? )? ( kU_Properties SP? )? ')'
-        | SP? ( oC_Variable SP? )? ( oC_NodeLabels SP? )? ( kU_Properties SP? )? { notifyNodePatternWithoutParentheses($oC_Variable.text, $oC_Variable.start); }
-        ;
+    : '(' SP? ( oC_Variable SP? )? ( oC_NodeLabels SP? )? ( kU_Properties SP? )? ')' ;
 
 oC_PatternElementChain
     : oC_RelationshipPattern SP? oC_NodePattern ;

diff --git a/test/parser/syntax_error_test.cpp b/test/parser/syntax_error_test.cpp
@@ -37,8 +37,8 @@ TEST_F(SyntaxErrorTest, QueryNotConcludeWithReturn2) {
 
 TEST_F(SyntaxErrorTest, QueryNodeWithOutParentheses) {
     std::string expectedException =
-        "Parser exception: Parentheses are required to identify nodes in "
-        "patterns, i.e. (a) (line: 1, offset: 6)\n";
+        "Parser exception: Invalid input <MATCH a>: expected rule oC_SingleQuery (line: 1, offset: "
+        "6)\n";
     expectedException += "\"MATCH a RETURN *;\"\n";
     expectedException += "       ^";
     auto input = "MATCH a RETURN *;";