only commit range litral

kuzudb · Sep 12, 2023 · bb88cd6 · bb88cd6
1 parent c578381
commit bb88cd6
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Showing 4 changed files with 988 additions and 950 deletions.
diff --git a/src/antlr4/Cypher.g4 b/src/antlr4/Cypher.g4
@@ -400,7 +400,7 @@ oC_NodeLabel
     : ':' SP? oC_LabelName ;
 
 oC_RangeLiteral
-    :  '*' SP? ( SHORTEST | ALL SP SHORTEST )? SP? oC_IntegerLiteral SP? '..' SP? oC_IntegerLiteral (SP? '(' SP? oC_Variable SP? ',' SP? '_' SP? '|' SP? oC_Where SP? ')')? ;
+    :  '*' SP? ( SHORTEST | ALL SP SHORTEST )? SP? ((oC_IntegerLiteral SP? '..' SP?)? oC_IntegerLiteral)? (SP? '(' SP? oC_Variable SP? ',' SP? '_' SP? '|' SP? oC_Where SP? ')')? ;
 
 SHORTEST : ( 'S' | 's' ) ( 'H' | 'h' ) ( 'O' | 'o' ) ( 'R' | 'r' ) ( 'T' | 't' ) ( 'E' | 'e' ) ( 'S' | 's' ) ( 'T' | 't' ) ;
 

diff --git a/src/parser/transform/transform_graph_pattern.cpp b/src/parser/transform/transform_graph_pattern.cpp
@@ -110,8 +110,17 @@ std::unique_ptr<RelPattern> Transformer::transformRelationshipPattern(
             relType = QueryRelType::VARIABLE_LENGTH;
         }
         auto range = relDetail->oC_RangeLiteral();
-        auto lowerBound = range->oC_IntegerLiteral()[0]->getText();
-        auto upperBound = range->oC_IntegerLiteral()[1]->getText();
+        auto lowerBound = std::to_string(1);
+        auto upperBound = std::to_string(UINT32_MAX);
+
+        if (range->oC_IntegerLiteral().size() == 1) {
+            lowerBound = range->oC_IntegerLiteral()[0]->getText();
+            lowerBound = range->oC_IntegerLiteral()[0]->getText();
+        } else if (range->oC_IntegerLiteral().size() == 2) {
+            lowerBound = range->oC_IntegerLiteral()[0]->getText();
+            upperBound = range->oC_IntegerLiteral()[1]->getText();
+        }
+
         auto recursiveRelName = std::string();
         std::unique_ptr<ParsedExpression> whereExpression = nullptr;
         if (range->oC_Where()) {