indexes WIP

Readme.md

@@ -1,4 +1,6 @@
 ### TODO
+- create local_install.sh
+
 - set xxx - without value to reset to default value
 - escape " in save csv
 - is null | is not null
@@ -8,7 +10,8 @@
 - expand_asterix_char should support multiple and everywhere *
 
 - support for uniqueue indexes (primary key)
-- support for btree indexes
+- support for indexes
+	- add drop m_index
 - support for joining
 
 - use string_to_double and string_to_long (from Table) everywhere