Shulou(Shulou.com)06/01 Report--

The validity of query index

Select d.tablenamefora.relname, (case c.indisvalid when true then 'valid' else 'invalid' end) isvalid, c.indkey from pg_class a, pg_namespace b, pg_index c, pg_indexes d where a.relkind ='i' and a.relname=b.oid and b.nspnamepromotional 'and a.oid = c.indexrelid and d.indexname=a.relname order by d.tablename

Table query

Select * from pg_table where schemaname = 'xxx'

Query the size of an index or table

Select pg_size_pretty (pg_relaion_size ('test'))

Number of rows in the statistical table

Select a.relname.reltuplesPart int from pg_class a, pg_namespace b where a.relnamespace=b.oid and b.nspnameplates publicized 'and a.relkindflowers' order by a.relname

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