analyzeall.py
author Radek Brich <brich.radek@ifortuna.cz>
Tue, 06 May 2014 18:34:38 +0200
changeset 99 245646538743
parent 93 b72591087495
permissions -rwxr-xr-x
Update runquery tool: Add --one-query-per-line parameter.
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#!/usr/bin/env python3
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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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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('--vacuum-full', action='store_true', help='Call VACUUM FULL ANALYZE')
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        self.parser.add_argument('--reindex', action='store_true', help='Call REINDEX TABLE')
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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_patterns = ['ANALYZE %s.%s;']
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        if self.args.vacuum:
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            query_patterns = ['VACUUM ANALYZE %s.%s;']
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        if self.args.vacuum_full:
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            query_patterns = ['VACUUM FULL ANALYZE %s.%s;']
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        if self.args.reindex:
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            query_patterns += ['REINDEX TABLE %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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                    for query_pattern in query_patterns:
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                        query = query_pattern % (schema, table['name'])
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                        self.log.info(query)
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                        curs.execute(query, [])
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tool = AnalyzeAllTool()
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tool.main()
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