Обсуждение: pgsql-server/ oc/src/sgml/catalogs.sgml rc/bac ...

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pgsql-server/ oc/src/sgml/catalogs.sgml rc/bac ...

От
tgl@svr1.postgresql.org (Tom Lane)
Дата:
CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    tgl@svr1.postgresql.org    04/02/15 17:01:40

Modified files:
    doc/src/sgml   : catalogs.sgml
    src/backend/catalog: heap.c index.c
    src/backend/commands: analyze.c tablecmds.c
    src/include/catalog: heap.h
    src/include/commands: vacuum.h

Log message:
    First steps towards statistics on expressional (nee functional) indexes.
    This commit teaches ANALYZE to store such stats in pg_statistic, but
    nothing is done yet about teaching the planner to use 'em.
    Also, repair longstanding oversight in separate ANALYZE command: it
    updated the pg_class.relpages and reltuples counts for the table proper,
    but not for indexes.