From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Jan Wieck <wieck(at)debis(dot)com> |
Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, PostgreSQL HACKERS <pgsql-hackers(at)postgreSQL(dot)org> |
Subject: | Re: [HACKERS] type coerce problem with lztext |
Date: | 2000-02-27 21:35:54 |
Message-ID: | 16771.951687354@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
wieck(at)debis(dot)com (Jan Wieck) writes:
> rulename | length | octet_length
> ----------------+--------+--------------
> _RETv1 | 64677 | 7440
> The view v1 is a simple 'SELECT * FROM t1' and t1 is a table
> of 220 columns with the same names and types as nearly all
> attributes of the system catalogs. Makes me feel comfortable.
Wow, better than 8-to-1. I guess you'd expect good compression on that,
considering the very repetitive nature of the targetlist node string.
Have you tried something with a long, boring WHERE-clause?
regards, tom lane
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