analyzeall.py
author Radek Brich <radek.brich@devl.cz>
Thu, 10 May 2012 08:42:21 +0200
changeset 34 98c7809af415
parent 30 a8b7cd92f39f
child 52 26121a8fe78b
permissions -rwxr-xr-x
Add PgDataCopy. Add TableCopyTool.Add SrcDstTablesTool class to toolbase, use in tablecopy, tablediff.
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#!/usr/bin/env python3.2
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"""
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analyzeall
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Analyze/vacuum all tables in selected schemas.
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See also "VACUUM ANALYZE VERBOSE;" query.
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Unlike that, this program skips pg_catalog etc.
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"""
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from pgtoolkit import pgbrowser, toolbase
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from pgtoolkit.highlight import highlight
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class AnalyzeAllTool(toolbase.SimpleTool):
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    def __init__(self):
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        toolbase.SimpleTool.__init__(self, name='analyzeall', desc='Analyze all tables.')
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        self.parser.add_argument('-s', dest='schema', nargs='*', help='Schema filter')
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        self.parser.add_argument('--vacuum', action='store_true', help='Call VACUUM ANALYZE')
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        self.parser.add_argument('--full', action='store_true', help='Call VACUUM FULL ANALYZE')
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        self.target_isolation_level = 'autocommit'
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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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        query_pattern = 'ANALYZE %s.%s;'
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        if self.args.vacuum:
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            query_pattern = 'VACUUM ANALYZE %s.%s;'
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        if self.args.full:
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            query_pattern = 'VACUUM FULL ANALYZE %s.%s;'
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        schema_list = self.args.schema
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        if not schema_list:
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            schema_list = [schema['name'] for schema in browser.list_schemas() if not schema['system']]
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        for schema in schema_list:
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            tables = browser.list_tables(schema=schema)
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            with self.pgm.cursor('target') as curs:
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                for table in tables:
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                    query = query_pattern % (schema, table['name'])
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                    print(query)
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                    curs.execute(query, [])
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tool = AnalyzeAllTool()
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tool.main()
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