+ prefix = None
+ prefix_ = ''
+ if self._columns[0] in kvfilter:
+ prefix = kvfilter[self._columns[0]]
+ prefix_ = prefix + ' '
+
+ name = None
+ if len(self._columns) == 3 and self._columns[1] in kvfilter:
+ name = kvfilter[self._columns[1]]
+
+ value = None
+ if self._columns[-1] in kvfilter:
+ value = kvfilter[self._columns[-1]]
+
+ res = []
+ for o in opts:
+ if len(self._columns) == 3:
+ # 3 cols
+ if prefix and not o.startswith(prefix_):
+ continue
+
+ col1, col2 = o.split(' ', 1)
+ if name and col2 != name:
+ continue
+
+ col3 = self._config.get(self._section, o)
+ if value and col3 != value:
+ continue
+
+ r = [col1, col2, col3]
+ else:
+ # 2 cols
+ if prefix and o != prefix:
+ continue
+ r = [o, self._config.get(self._section, o)]
+
+ if columns:
+ s = []
+ for c in columns:
+ s.append(r[self._columns.index(c)])
+ res.append(s)
+ else:
+ res.append(r)
+
+ self.debug('SELECT(%s, %s, %s) -> %s' % (self._section,
+ repr(kvfilter),
+ repr(columns),
+ repr(res)))
+ return res
+
+ def insert(self, values):
+ raise NotImplementedError
+
+ def update(self, values, kvfilter):
+ raise NotImplementedError
+
+ def delete(self, kvfilter):
+ raise NotImplementedError
+
+
+class Store(Log):