indent all identifiers, including the first one, by width instead of keyword length

Patrick Schemitz · Patrick Schemitz · commit 6dac1d9c9874 · 2018-03-03T15:13:18.000+01:00
diff --git a/sqlparse/filters/reindent.py b/sqlparse/filters/reindent.py
@@ -12,14 +12,16 @@
 
 class ReindentFilter(object):
     def __init__(self, width=2, char=' ', wrap_after=0, n='\n',
-                 comma_first=False, indent_after_first=False):
+                 comma_first=False, indent_after_first=False,
+                 indent_columns=False):
         self.n = n
         self.width = width
         self.char = char
         self.indent = 1 if indent_after_first else 0
         self.offset = 0
         self.wrap_after = wrap_after
         self.comma_first = comma_first
+        self.indent_columns = indent_columns
         self._curr_stmt = None
         self._last_stmt = None
 
@@ -118,8 +120,12 @@ def _process_parenthesis(self, tlist):
 
     def _process_identifierlist(self, tlist):
         identifiers = list(tlist.get_identifiers())
-        first = next(identifiers.pop(0).flatten())
-        num_offset = 1 if self.char == '\t' else self._get_offset(first)
+        if self.indent_columns:
+            first = next(identifiers[0].flatten())
+            num_offset = 1 if self.char == '\t' else self.width
+        else:
+            first = next(identifiers.pop(0).flatten())
+            num_offset = 1 if self.char == '\t' else self._get_offset(first)
         if not tlist.within(sql.Function):
             with offset(self, num_offset):
                 position = 0
diff --git a/sqlparse/formatter.py b/sqlparse/formatter.py
@@ -56,6 +56,14 @@ def validate_options(options):
         options['truncate_strings'] = truncate_strings
         options['truncate_char'] = options.get('truncate_char', '[...]')
 
+    indent_columns = options.get('indent_columns', False)
+    if indent_columns not in [True, False]:
+        raise SQLParseError('Invalid value for indent_columns: '
+                            '{0!r}'.format(indent_columns))
+    elif indent_columns:
+        options['reindent'] = True  # enforce reindent
+    options['indent_columns'] = indent_columns
+
     reindent = options.get('reindent', False)
     if reindent not in [True, False]:
         raise SQLParseError('Invalid value for reindent: '
@@ -161,6 +169,7 @@ def build_filter_stack(stack, options):
                 char=options['indent_char'],
                 width=options['indent_width'],
                 indent_after_first=options['indent_after_first'],
+                indent_columns=options['indent_columns'],
                 wrap_after=options['wrap_after'],
                 comma_first=options['comma_first']))
 
