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python/ovs/db/idl: add counterpart of ovsdb_idl_add_table()

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Add register_table method to SchemaHelper as Python counterpart of
ovsdb_idl_add_table() in the C version of the IDL.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Isaku Yamahata
2012-09-13 11:22:53 +09:00
committed by Ben Pfaff
parent 6d3c5b64b3
commit 7698e31d6a
1 changed files with 13 additions and 0 deletions
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13
python/ovs/db/idl.py
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@@ -1224,6 +1224,15 @@ class SchemaHelper(object):
columns = set(columns) | self._tables.get(table, set()) columns = set(columns) | self._tables.get(table, set())
self._tables[table] = columns self._tables[table] = columns
def register_table(self, table):
"""Registers interest in the given all columns of 'table'. Future calls
to get_idl_schema() will include all columns of 'table'.
'table' must be a string
"""
assert type(table) is str
self._tables[table] = set() # empty set means all columns in the table
def register_all(self): def register_all(self):
"""Registers interest in every column of every table.""" """Registers interest in every column of every table."""
self._all = True self._all = True
@@ -1249,6 +1258,10 @@ class SchemaHelper(object):
assert table_name in schema.tables assert table_name in schema.tables
table = schema.tables[table_name] table = schema.tables[table_name]
if not columns:
# empty set means all columns in the table
return table
new_columns = {} new_columns = {}
for column_name in columns: for column_name in columns:
assert type(column_name) is str assert type(column_name) is str