1 files changed, 6 insertions, 3 deletions
diff --git a/aai-traversal/src/main/resources/antlr4/org/onap/aai/AAIDsl.g4 b/aai-traversal/src/main/resources/antlr4/org/onap/aai/AAIDsl.g4
index 78162f5..3ba370c 100644
--- a/aai-traversal/src/main/resources/antlr4/org/onap/aai/AAIDsl.g4
+++ b/aai-traversal/src/main/resources/antlr4/org/onap/aai/AAIDsl.g4
@@ -13,11 +13,12 @@ vertex: label store? (filter)?;
 traversal:  (edge (vertex|unionVertex));
 
 filter:  (propertyFilter)* whereFilter?;
-propertyFilter: (not? '(' key (',' (key | num))* ')');
+propertyFilter: (not? '(' key (',' (key | num | bool))* ')');
+bool: BOOL;
 
 whereFilter: (not? '(' edge nestedStatement ')' );
 
-unionVertex: '[' ( (edgeFilter)* nestedStatement ( comma ( (edgeFilter)* nestedStatement))*) ']';
+unionVertex: '[' ( (edgeFilter)* nestedStatement ( comma ( (edgeFilter)* nestedStatement))*) ']' store?;
 
 comma: ',';
 edge: TRAVERSE (edgeFilter)*;
@@ -31,11 +32,13 @@ key: KEY;
 store: STORE;
 not: NOT;
 
+BOOL: 'true'|'TRUE'|'false'|'FALSE';
 LIMIT: 'LIMIT'|'limit';
 NUM: (DIGIT)+;
 
 /*NODE: (ID | NUM )+;*/
-KEY : '\'' ( ~['\r\n] )*? '\'';
+fragment ESCAPED_QUOTE : '\\' '\'';
+KEY : '\'' (ESCAPED_QUOTE | ~[\r\n] )*? '\'';
 
 AND: [&];