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Revision 1912

Added by Aaron Marcuse-Kubitza about 12 years ago

sql.py: DbConn: Cache query results as a dict subset of the cursor's key attributes, so that additional attributes can easily be cached by adding them to the subset list

View differences:

lib/sql.py
152 152 
                or isinstance(self.result, Exception)):
153 153
154 154 
                assert self.query_lookup != None
155 
                self.query_results[self.query_lookup] = (self.query,
156 
                    self.result, self.rowcount)
155 
                self.query_results[self.query_lookup] = util.dict_subset(
156 
                    dicts.AttrsDictView(self), ['query', 'result', 'rowcount'])
157 157
158 158 
        def _is_insert(self): return self.query.upper().find('INSERT') >= 0
159 159
160 160 
    class CacheCursor:
161 
        def __init__(self, query, result, rowcount):
162 
            self.query = query
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            self.result = result
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            self.rowcount = rowcount
161 
        def __init__(self, cached_result): self.__dict__ = cached_result
165 162
166 163 
        def execute(self):
167 164 
            if isinstance(self.result, Exception): raise self.result
......
187 184 
                    _add_cursor_info(e, cur)
188 185 
                    raise
189 186 
            else:
190 
                cur = self.CacheCursor(*cached_result)
187 
                cur = self.CacheCursor(cached_result)
191 188 
                cur.execute()
192 189 
        finally:
193 190 
            if self.log_debug != log_debug_none: # only compute msg if needed

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