normalize number filter literals

Always cast number literals to provide consistent eq/neq behavior when combined with COALESCE, because '1' = 1 is TRUE but COALESCE('1', '') = COALESCE(1, '') will result to FALSE.

tools/search/filter.go

@@ -147,11 +147,17 @@ func (f FilterData) resolveToken(token fexpr.Token, fieldResolver FieldResolver)
 		}
 
 		return name, params, err
-	case fexpr.TokenNumber, fexpr.TokenText:
+	case fexpr.TokenText:
 		placeholder := "t" + security.RandomString(7)
 		name := fmt.Sprintf("{:%s}", placeholder)
 		params := dbx.Params{placeholder: token.Literal}
 
+		return name, params, nil
+	case fexpr.TokenNumber:
+		placeholder := "t" + security.RandomString(7)
+		name := fmt.Sprintf("{:%s}", placeholder)
+		params := dbx.Params{placeholder: cast.ToFloat64(token.Literal)}
+
 		return name, params, nil
 	}
 

tools/search/provider_test.go

@@ -288,8 +288,8 @@ func TestProviderExecNonEmptyQuery(t *testing.T) {
 			false,
 			`{"page":1,"perPage":` + fmt.Sprint(MaxPerPage) + `,"totalItems":1,"items":[{"test1":2,"test2":"test2.2","test3":""}]}`,
 			[]string{
-				"SELECT COUNT(*) FROM `test` WHERE ((NOT (`test1` IS NULL)) AND (COALESCE(test2, '') != COALESCE(null, ''))) AND (test1 >= '2') ORDER BY `test1` ASC, `test2` DESC",
-				"SELECT * FROM `test` WHERE ((NOT (`test1` IS NULL)) AND (COALESCE(test2, '') != COALESCE(null, ''))) AND (test1 >= '2') ORDER BY `test1` ASC, `test2` DESC LIMIT 200",
+				"SELECT COUNT(*) FROM `test` WHERE ((NOT (`test1` IS NULL)) AND (COALESCE(test2, '') != COALESCE(null, ''))) AND (test1 >= 2) ORDER BY `test1` ASC, `test2` DESC",
+				"SELECT * FROM `test` WHERE ((NOT (`test1` IS NULL)) AND (COALESCE(test2, '') != COALESCE(null, ''))) AND (test1 >= 2) ORDER BY `test1` ASC, `test2` DESC LIMIT 200",
 			},
 		},
 		// valid sort and filter fields (zero results)