fix parsing neg float in range query (#621)

fix #620

2 files changed, 22 insertions, 2 deletions

diff --git a/src/query/query_parser/query_grammar.rs b/src/query/query_parser/query_grammar.rs
index 51825a6..2ec2bf7 100644
--- a/src/query/query_parser/query_grammar.rs
+++ b/src/query/query_parser/query_grammar.rs
@@ -63,8 +63,15 @@ parser! {
     fn negative_number[I]()(I) -> String
     where [I: Stream<Item = char>]
     {
-        (char('-'), many1(satisfy(char::is_numeric)))
-            .map(|(s1, s2): (char, String)| format!("{}{}", s1, s2))
+        (char('-'), many1(satisfy(char::is_numeric)),
+         optional((char('.'), many1(satisfy(char::is_numeric)))))
+            .map(|(s1, s2, s3): (char, String, Option<(char, String)>)| {
+                if let Some(('.', s3)) = s3 {
+                    format!("{}{}.{}", s1, s2, s3)
+                } else {
+                    format!("{}{}", s1, s2)
+                }
+            })
     }
 }
 
diff --git a/src/query/query_parser/query_parser.rs b/src/query/query_parser/query_parser.rs
index d32546b..19993cc 100644
--- a/src/query/query_parser/query_parser.rs
+++ b/src/query/query_parser/query_parser.rs
@@ -765,6 +765,19 @@ mod test {
             "(Excluded(Term([0, 0, 0, 0, 116, 105, 116, 105])) TO Unbounded)",
             false,
         );
+        test_parse_query_to_logical_ast_helper(
+            "signed:{-5 TO 3}",
+            "(Excluded(Term([0, 0, 0, 2, 127, 255, 255, 255, 255, 255, 255, 251])) TO \
+            Excluded(Term([0, 0, 0, 2, 128, 0, 0, 0, 0, 0, 0, 3])))",
+            false,
+        );
+        test_parse_query_to_logical_ast_helper(
+            "float:{-1.5 TO 1.5}",
+            "(Excluded(Term([0, 0, 0, 10, 64, 7, 255, 255, 255, 255, 255, 255])) TO \
+            Excluded(Term([0, 0, 0, 10, 191, 248, 0, 0, 0, 0, 0, 0])))",
+            false,
+        );
+
         test_parse_query_to_logical_ast_helper("*", "*", false);
     }