pgsql-server/ oc/src/sgml/func.sgml rc/backend ...

CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    tgl@postgresql.org    03/02/15 21:30:39

Modified files:
    doc/src/sgml   : func.sgml
    src/backend/catalog: dependency.c
    src/backend/executor: execQual.c
    src/backend/nodes: copyfuncs.c equalfuncs.c outfuncs.c
                       readfuncs.c
    src/backend/optimizer/path: costsize.c
    src/backend/optimizer/plan: setrefs.c
    src/backend/optimizer/util: clauses.c
    src/backend/parser: gram.y parse_clause.c parse_expr.c
                        parse_target.c
    src/backend/utils/adt: ruleutils.c
    src/include/catalog: catversion.h
    src/include/nodes: execnodes.h nodes.h parsenodes.h primnodes.h
    src/pl/plpgsql/src: pl_exec.c
    src/test/regress/expected: case.out

Log message:
    COALESCE() and NULLIF() are now first-class expressions, not macros
    that turn into CASE expressions.  They evaluate their arguments at most
    once.  Patch by Kris Jurka, review and (very light) editorializing by me.