pgsql-server/src backend/access/transam/xact.c ...

CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    tgl@postgresql.org    02/10/21 18:06:20

Modified files:
    src/backend/access/transam: xact.c
    src/backend/catalog: heap.c index.c
    src/backend/commands: dbcommands.c indexcmds.c tablecmds.c
                          vacuum.c
    src/backend/parser: analyze.c
    src/include/access: xact.h

Log message:
    Fix places that were using IsTransactionBlock() as an (inadequate) check
    that they'd get to commit immediately on finishing.  There's now a
    centralized routine PreventTransactionChain() that implements the
    necessary tests.