From a950378ce7376688abaea22734a5df849eb102d7 Mon Sep 17 00:00:00 2001 From: Epithumia Date: Sat, 21 Dec 2013 00:06:27 +0100 Subject: [PATCH] Actually commit oracle.py. --- pokedex/db/oracle.py | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 pokedex/db/oracle.py diff --git a/pokedex/db/oracle.py b/pokedex/db/oracle.py new file mode 100644 index 0000000..67d445b --- /dev/null +++ b/pokedex/db/oracle.py @@ -0,0 +1,30 @@ +from pokedex.db import metadata + +### Helper functions for oracle +def rewrite_long_table_names(): + """Modifies the table names to disenvowel long table names. + """ + t_names = metadata.tables.keys() + + table_names = list(t_names) + table_objs = [metadata.tables[name] for name in table_names] + + # Prepare a dictionary to match old<->new names + oradict = {} + + # Shorten table names, Oracle limits table and column names to 30 chars + for table in table_objs: + table._orginal_name = table.name[:] + oradict[table.name]=table._orginal_name + if len(table._orginal_name) > 30: + for letter in ['a', 'e', 'i', 'o', 'u', 'y']: + table.name=table.name.replace(letter,'') + oradict[table.name]=table._orginal_name + return oradict + + +def restore_long_table_names(metadata,oradict): + """Modifies the table names to restore the long-naming. + """ + for table in metadata.tables.values(): + table.name = oradict[table.name]