bigtables.py
author Radek Brich <radek.brich@devl.cz>
Fri, 12 Aug 2011 14:39:49 +0200
changeset 7 685b20d2d3ab
parent 5 57cf8fdff5ed
child 9 2fcc8ef0b97d
permissions -rwxr-xr-x
Reorganize directories. PgDataDiff - reworked. PgManager - add fetchone_adapted, fetchall_adapted to cursor.
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#!/usr/bin/env python3.2
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from tools import pgbrowser, toolbase
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from common import prettysize
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class BigTablesTool(toolbase.SimpleTool):
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    def __init__(self):
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        toolbase.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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