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Re: [HACKERS] type coerce problem with lztext

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
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 (view raw or flat)
Thread:
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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