proposal - psql - show longest tables

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От Pavel Stehule
Тема proposal - psql - show longest tables
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Msg-id CAFj8pRCOQK0Yh4_pk2of5gr8_tjkJSZXjevR-qJKagU83QA+=Q@mail.gmail.com
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Ответы Re: proposal - psql - show longest tables  (Robert Haas <robertmhaas@gmail.com>)
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Hello all

I very often use a little bit adjusted psql system queries to
detection TOP N sized tables. I am thinking so it can be useful for
all users

I propose a few new commands

\dts [N|size] ... show N largest tables | show tables larger than size
ordered by size
\dis [N|size] ... show N largest indexes | show indexes larger than
size ordered by size
\dtst [N|size] ... show N largest total size | show tables where total
size is larger than size ordered by total size
\dtr [N]   ... show N largest tables (ordered by rows)

example:

\dts 10  --- top 10 tables ordered by size
\dts 10MB -- tables larger than 10MB ordered by size
Schema |    Name     | Type  |    Owner    | Size
--------+-------------+-------+-------------+-------+-------------public | eshop_users | table | eshop_owner | 16
kBpublic| zamestnanci | table | eshop_owner | 16 kB
 

What do you think about this proposal? Comments, notes?

Regards

Pavel Stehule



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