fixed error on parse filter regex

Author: Schwarzam

src/loaders/parquet/parse_params.rs

@@ -35,7 +35,7 @@ pub fn parse_filters(params: &HashMap<String, String>) -> Option<Vec<(&str, &str
         return None
     }
 
-    let re = Regex::new(r"([a-zA-Z_]+)([<>=]+)([-+]?[0-9]*\.?[0-9]*)").unwrap();
+    let re = Regex::new(r"([a-zA-Z_]+)([!<>=]+)([-+]?[0-9]*\.?[0-9]*)").unwrap();
     let mut filter_vec = Vec::new();
     for filter in filters {
         let f_vec = re.captures(filter).unwrap();

tests/parquet.rs

@@ -13,7 +13,7 @@ mod parser {
         let mut params = HashMap::new();
 
         params.insert("columns".to_string(), "RA,DEC".to_string());
-        params.insert("filters".to_string(), "RA>=30.1241,DEC<=-30.3,RA>30,DEC<-30,RA==1,RA=1,RA!=0".to_string());
+        params.insert("filters".to_string(), "RA>=30.1241,DEC<=-30.3,RA>30,DEC<=30,RA==1,RA=1,RA!=0".to_string());
 
         let result = parquet::parquet::process_and_return_parquet_file(
             file_path.to_str().unwrap(),