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Author SHA1 Message Date
Itagaki Takahiro 8964dbd51e Add buffer access counters to pg_stat_statements. 
This uses the same infrastructure with EXPLAIN BUFFERS to support
{shared|local}_blks_{hit|read|written} andtemp_blks_{read|written}
columns in the pg_stat_statements view. The dumped file format
also updated.

Thanks to Robert Haas for the review.
 2010-01-08 00:38:20 +00:00
Tom Lane 7466eeac61 Add contrib/pg_stat_statements for server-wide tracking of statement execution 
statistics.

Takahiro Itagaki
 2009-01-04 22:19:59 +00:00