# HG changeset patch
# User Radek Brich <brich.radek@ifortuna.cz>
# Date 1395329614 -3600
# Node ID 6adcb7ee45177ae70762304fe8fad66d6ce4d43c
# Parent  a10f553e6f6ac8105451a35a6fc8c9023935d431
Update bigtables tool: Add size of indexes.

diff -r a10f553e6f6a -r 6adcb7ee4517 bigtables.py
--- a/bigtables.py	Tue Feb 04 16:10:04 2014 +0100
+++ b/bigtables.py	Thu Mar 20 16:33:34 2014 +0100
@@ -1,12 +1,15 @@
 #!/usr/bin/env python3
 
 from pgtoolkit import pgbrowser, toolbase
-from pycolib import prettysize
+from pycolib.prettysize import prettysize_short
+from pycolib.ansicolor import highlight
 
 
 class BigTablesTool(toolbase.SimpleTool):
     def __init__(self):
         toolbase.SimpleTool.__init__(self, name='bigtables', desc='List largest tables.')
+        self.parser.add_argument('-n', '--limit', metavar='NUM', dest='limit', type=int, default=5, help='Show NUM biggest tables.')
+        self.parser.add_argument('-v', '--details', dest='details', action='store_true', help='Show sizes of data and individual indexes.')
         self.init()
 
     def main(self):
@@ -14,18 +17,33 @@
 
         # scan all tables from all shemas, remember names and sizes
         all_tables = []
+        all_indexes = []
         schemas = browser.list_schemas()
         for schema in schemas:
             tables = browser.list_tables(schema['name'])
             for table in tables:
                 table_name = '%s.%s' % (schema['name'], table['name'])
-                all_tables.append({'name': table_name, 'size': table['size']})
+                indexes = browser.list_indexes(table['name'], schema['name'])
+                for index in indexes:
+                    all_indexes.append({'name': index['name'], 'table': table_name, 'size': index['size']})
+                all_tables.append({'name': table_name, 'size': table['size'], 'indexes': indexes})
 
         # print names and sizes of 20 largest tables
-        for table in sorted(all_tables, reverse=True, key=lambda x: x['size'])[:20]:
-            print(prettysize.prettysize_short(table['size']).rjust(8), table['name'], sep='  ')
+        for table in sorted(all_tables, reverse=True, key=lambda x: x['size'])[:self.args.limit]:
+            size_of_indexes = sum(index['size'] for index in table['indexes'])
+            print(highlight(1) + prettysize_short(table['size'] + size_of_indexes, trailing_zeros=True).rjust(8) + highlight(0),
+                  '(total)'.ljust(8),
+                  highlight(1) + table['name'] + highlight(0), sep='  ')
+            if self.args.details:
+                print(prettysize_short(table['size'], trailing_zeros=True).rjust(8),
+                      '(data)'.ljust(8), sep='  ')
+                for index in sorted(table['indexes'], reverse=True, key=lambda x: x['size']):
+                    print(prettysize_short(index['size'], trailing_zeros=True).rjust(8),
+                          '(index)'.ljust(8), index['name'], sep='  ')
+            print()
 
 
-tool = BigTablesTool()
-tool.main()
+if __name__ == '__main__':
+    tool = BigTablesTool()
+    tool.main()
 
diff -r a10f553e6f6a -r 6adcb7ee4517 pgtoolkit/pgbrowser.py
--- a/pgtoolkit/pgbrowser.py	Tue Feb 04 16:10:04 2014 +0100
+++ b/pgtoolkit/pgbrowser.py	Thu Mar 20 16:33:34 2014 +0100
@@ -55,7 +55,7 @@
 class Index:
     def __init__(self, browser, table,
             name, primary, unique, clustered, valid, definition,
-            columns):
+            columns, size):
         self.browser = browser
         self.table = table
         self.name = name
@@ -65,6 +65,7 @@
         self.valid = valid
         self.definition = definition
         self.columns = columns
+        self.size = size
 
 
 class Table:
@@ -345,7 +346,8 @@
                 i.indisclustered as "clustered",
                 i.indisvalid as "valid",
                 pg_catalog.pg_get_indexdef(i.indexrelid, 0, true) as "definition",
-                ARRAY(SELECT a.attname FROM pg_catalog.pg_attribute a WHERE a.attrelid = c2.oid ORDER BY attnum) AS "columns"
+                ARRAY(SELECT a.attname FROM pg_catalog.pg_attribute a WHERE a.attrelid = c2.oid ORDER BY attnum) AS "columns",
+                pg_catalog.pg_relation_size(c2.oid) as "size"
                 --c2.reltablespace as "tablespace_oid"
             FROM pg_catalog.pg_class c
             JOIN pg_catalog.pg_index i ON c.oid = i.indrelid