fix bugs

Author: folospace

orm/err.go

@@ -11,7 +11,7 @@ var (
     ErrRawSqlRequired                   = errors.New("raw sql required")
     ErrParamMustBePtr                   = errors.New("param must be ptr")
     ErrParamElemKindMustBeStruct        = errors.New("param elem kind must be struct")
-    ErrColumnShouldBeStringOrPtr        = errors.New("select|where column should be string or ptr of struct field")
+    ErrColumnShouldBeStringOrPtr        = errors.New("select|where column should be string or ptr of Table.T.field")
     ErrDestOfGetToMustBePtr             = errors.New("dest of Get-to must be ptr")
     ErrDestOfGetToSliceElemMustNotBePtr = errors.New("dest of Get-to slice elem kind must not be ptr")
 )

orm/query.go

@@ -223,6 +223,8 @@ func (m Query[T]) parseColumn(v interface{}) (string, error) {
                 prefix += "."
             }
             return prefix + ret, nil
+        } else if ret == "" {
+            return "", ErrColumnShouldBeStringOrPtr
         } else {
             return ret, nil
         }

orm/query_where.go

@@ -35,7 +35,11 @@ func (m Query[T]) where(isOr bool, column interface{}, vals ...interface{}) Quer
         if ok == false {
             return m.setErr(errors.New("where-param should be string while only 1 param exist"))
         }
-        m.wheres = append(m.wheres, where{Raw: c, IsOr: isOr})
+        if c != "" {
+            m.wheres = append(m.wheres, where{Raw: c, IsOr: isOr})
+        } else {
+            return m.setErr(errors.New("where-param should not be empty string"))
+        }
     } else {
         c, err := m.parseColumn(column)
         if err != nil {