bigtables.py
author Radek Brich <radek.brich@devl.cz>
Wed, 10 Aug 2011 18:34:54 +0200
changeset 6 4ab077c93b2d
parent 5 57cf8fdff5ed
child 7 685b20d2d3ab
permissions -rwxr-xr-x
Add table diff tool.
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#!/usr/bin/env python3.2
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from pgtools import pgbrowser
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from common import prettysize
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from toolbase import SimpleTool
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class BigTablesTool(SimpleTool):
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    def __init__(self):
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        SimpleTool.__init__(self, name='bigtables', desc='List largest tables.')
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        self.init()
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    def main(self):
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        browser = pgbrowser.PgBrowser(self.pgm.get_conn('target'))
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        tables = browser.list_tables()
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        for table in sorted(tables, reverse=True, key=lambda x: x['size'])[:20]:
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            print(prettysize.prettysize_short(table['size']).rjust(8), table['name'], sep='  ')
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tool = BigTablesTool()
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tool.main()
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