| author | Radek Brich <radek.brich@devl.cz> |
| Thu, 31 May 2012 11:28:41 +0200 | |
| changeset 38 | d3593869d624 |
| parent 9 | 2fcc8ef0b97d |
| child 83 | 515fadd3d286 |
| permissions | -rwxr-xr-x |
| 2 | 1 |
#!/usr/bin/env python3.2 |
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2fcc8ef0b97d
Reorganize again :-) Add setup.py.
Radek Brich <radek.brich@devl.cz>
parents:
7
diff
changeset
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from pgtoolkit import pgbrowser, toolbase, prettysize |
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685b20d2d3ab
Reorganize directories. PgDataDiff - reworked. PgManager - add fetchone_adapted, fetchall_adapted to cursor.
Radek Brich <radek.brich@devl.cz>
parents:
5
diff
changeset
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class BigTablesTool(toolbase.SimpleTool): |
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def __init__(self): |
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7
685b20d2d3ab
Reorganize directories. PgDataDiff - reworked. PgManager - add fetchone_adapted, fetchall_adapted to cursor.
Radek Brich <radek.brich@devl.cz>
parents:
5
diff
changeset
|
8 |
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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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
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# scan all tables from all shemas, remember names and sizes |
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
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all_tables = [] |
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
16 |
schemas = browser.list_schemas() |
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
17 |
for schema in schemas: |
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
18 |
tables = browser.list_tables(schema['name']) |
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
19 |
for table in tables: |
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
20 |
table_name = '%s.%s' % (schema['name'], table['name']) |
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
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all_tables.append({'name': table_name, 'size': table['size']})
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
22 |
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
23 |
# print names and sizes of 20 largest tables |
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d3593869d624
Update bigtables tool: scan all schemas.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
24 |
for table in sorted(all_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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