Add UPDATE string

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@54638 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/pygrass/vector/sql.py

@@ -43,7 +43,9 @@ SELECT_ORDERBY = "SELECT {cols} FROM {tname} ORDER BY {orderby};"
 
 #UPDATE
 UPDATE = "UPDATE {tname} SET {new_col} = {old_col};"
-UPDATE_WHERE = "UPDATE {tname} SET {new_col} = {old_col} WHERE {condition};"
+UPDATE_WHERE = "UPDATE {tname} SET {values} WHERE {condition};"
+UPDATE_COL_WHERE = "UPDATE {tname} SET {new_col} = {old_col} WHERE {condition};"
+
 
 # GET INFO
 PRAGMA = "PRAGMA table_info({tname});"