diff options
Diffstat (limited to 'src/main/java/pl/edu/mimuw/cloudatlas/interpreter/ResultColumn.java')
-rw-r--r-- | src/main/java/pl/edu/mimuw/cloudatlas/interpreter/ResultColumn.java | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/interpreter/ResultColumn.java b/src/main/java/pl/edu/mimuw/cloudatlas/interpreter/ResultColumn.java index 1c0db30..3e0b55a 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/interpreter/ResultColumn.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/interpreter/ResultColumn.java @@ -28,6 +28,10 @@ class ResultColumn extends Result { return new ResultColumn(results); } + protected Result binaryOperationTyped(BinaryOperation operation, ResultList right) { + throw new UnsupportedOperationException("Binary operation not supported on ResultColumn and ResultLists"); + } + protected ResultColumn binaryOperationTyped(BinaryOperation operation, ResultColumn right) { List<Value> results = new ArrayList<Value>(); @@ -75,8 +79,7 @@ class ResultColumn extends Result { @Override public Result transformOperation(TransformOperation operation) { - // TODO: this should be a ResultList - return new ResultColumn(operation.perform(getColumn())); + return new ResultList(operation.perform(getColumn())); } @Override @@ -125,7 +128,7 @@ class ResultColumn extends Result { @Override public ResultSingle isNull() { - return new ResultSingle(new ValueBoolean(true)); + return new ResultSingle(new ValueBoolean(false)); } @Override |