diff --git a/lib/src/sql/value/value.rs b/lib/src/sql/value/value.rs
index 4a97e206..aa415a0a 100644
--- a/lib/src/sql/value/value.rs
+++ b/lib/src/sql/value/value.rs
@@ -1235,52 +1235,61 @@ pub fn double(i: &str) -> IResult<&str, Value> {
 
 pub fn single(i: &str) -> IResult<&str, Value> {
 	alt((
-		map(tag_no_case("NONE"), |_| Value::None),
-		map(tag_no_case("VOID"), |_| Value::Void),
-		map(tag_no_case("NULL"), |_| Value::Null),
-		map(tag_no_case("true"), |_| Value::True),
-		map(tag_no_case("false"), |_| Value::False),
-		map(subquery, Value::from),
-		map(function, Value::from),
-		map(datetime, Value::from),
-		map(duration, Value::from),
-		map(geometry, Value::from),
-		map(unique, Value::from),
-		map(number, Value::from),
-		map(object, Value::from),
-		map(array, Value::from),
-		map(param, Value::from),
-		map(regex, Value::from),
-		map(model, Value::from),
-		map(idiom, Value::from),
-		map(thing, Value::from),
-		map(strand, Value::from),
+		alt((
+			map(tag_no_case("NONE"), |_| Value::None),
+			map(tag_no_case("VOID"), |_| Value::Void),
+			map(tag_no_case("NULL"), |_| Value::Null),
+			map(tag_no_case("true"), |_| Value::True),
+			map(tag_no_case("false"), |_| Value::False),
+		)),
+		alt((
+			map(subquery, Value::from),
+			map(function, Value::from),
+			map(datetime, Value::from),
+			map(duration, Value::from),
+			map(geometry, Value::from),
+			map(unique, Value::from),
+			map(number, Value::from),
+			map(object, Value::from),
+			map(array, Value::from),
+			map(param, Value::from),
+			map(regex, Value::from),
+			map(model, Value::from),
+			map(idiom, Value::from),
+			map(thing, Value::from),
+			map(strand, Value::from),
+		)),
 	))(i)
 }
 
 pub fn select(i: &str) -> IResult<&str, Value> {
 	alt((
-		map(tag_no_case("NONE"), |_| Value::None),
-		map(tag_no_case("VOID"), |_| Value::Void),
-		map(tag_no_case("NULL"), |_| Value::Null),
-		map(tag_no_case("true"), |_| Value::True),
-		map(tag_no_case("false"), |_| Value::False),
-		map(subquery, Value::from),
-		map(function, Value::from),
-		map(datetime, Value::from),
-		map(duration, Value::from),
-		map(geometry, Value::from),
-		map(unique, Value::from),
-		map(number, Value::from),
-		map(object, Value::from),
-		map(array, Value::from),
-		map(param, Value::from),
-		map(regex, Value::from),
-		map(model, Value::from),
-		map(edges, Value::from),
-		map(thing, Value::from),
-		map(table, Value::from),
-		map(strand, Value::from),
+		alt((
+			map(tag_no_case("NONE"), |_| Value::None),
+			map(tag_no_case("VOID"), |_| Value::Void),
+			map(tag_no_case("NULL"), |_| Value::Null),
+			map(tag_no_case("true"), |_| Value::True),
+			map(tag_no_case("false"), |_| Value::False),
+		)),
+		alt((
+			map(expression, Value::from),
+			map(subquery, Value::from),
+			map(function, Value::from),
+			map(datetime, Value::from),
+			map(duration, Value::from),
+			map(geometry, Value::from),
+			map(unique, Value::from),
+			map(number, Value::from),
+			map(object, Value::from),
+			map(array, Value::from),
+			map(param, Value::from),
+			map(regex, Value::from),
+			map(model, Value::from),
+			map(edges, Value::from),
+			map(thing, Value::from),
+			map(table, Value::from),
+			map(strand, Value::from),
+		)),
 	))(i)
 }