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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-04-05 00:31:36 +0000 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-04-05 00:31:36 +0000 |
| commit | 4bdb4be62e652ee3220dae21a4fa340832c93429 (patch) | |
| tree | f1b39eb4cbcc1a8fca748304770a72aec96cd472 /src/interfaces/python/tutorial/basics.py | |
| parent | 0e11aea246a462e503a73908c9fc143b9f2da16a (diff) | |
| download | postgresql-4bdb4be62e652ee3220dae21a4fa340832c93429.tar.gz postgresql-4bdb4be62e652ee3220dae21a4fa340832c93429.zip | |
Divide functions into three volatility classes (immutable, stable, and
volatile), rather than the old cachable/noncachable distinction. This
allows indexscan optimizations in many places where we formerly didn't.
Also, add a pronamespace column to pg_proc (it doesn't do anything yet,
however).
Diffstat (limited to 'src/interfaces/python/tutorial/basics.py')
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