fix: adapt ClickHouse log LIKE filters

model/log.go

@@ -22,15 +22,41 @@ func applyExplicitLogTextFilter(tx *gorm.DB, column string, value string) (*gorm
 		return tx, nil
 	}
 	if strings.Contains(value, "%") {
-		pattern, err := sanitizeLikePattern(value)
+		condition, pattern, err := buildLogLikeCondition(column, value)
 		if err != nil {
 			return nil, err
 		}
-		return tx.Where(column+" LIKE ? ESCAPE '!'", pattern), nil
+		return tx.Where(condition, pattern), nil
 	}
 	return tx.Where(column+" = ?", value), nil
 }
 
+func buildLogLikeCondition(column string, value string) (string, string, error) {
+	if common.UsingLogDatabase(common.DatabaseTypeClickHouse) {
+		pattern, err := sanitizeClickHouseLikePattern(value)
+		if err != nil {
+			return "", "", err
+		}
+		return column + " LIKE ?", pattern, nil
+	}
+
+	pattern, err := sanitizeLikePattern(value)
+	if err != nil {
+		return "", "", err
+	}
+	return column + " LIKE ? ESCAPE '!'", pattern, nil
+}
+
+func sanitizeClickHouseLikePattern(input string) (string, error) {
+	input = strings.ReplaceAll(input, `\`, `\\`)
+	input = strings.ReplaceAll(input, `_`, `\_`)
+
+	if err := validateLikePattern(input); err != nil {
+		return "", err
+	}
+	return input, nil
+}
+
 type Log struct {
 	Id                int    `json:"id" gorm:"index:idx_created_at_id,priority:2;index:idx_user_id_id,priority:2"`
 	UserId            int    `json:"user_id" gorm:"index;index:idx_user_id_id,priority:1"`