Обсуждение: pgsql-server/src/backend/parser parse_coerce.c

CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    momjian@svr1.postgresql.org    03/06/25 01:32:03

Modified files:
    src/backend/parser: parse_coerce.c

Log message:
    Fix up JOIN .. USING with domains

    The attached fixes select_common_type() to support the below case:

    create table t1( c1 int);
    create domain dom_c1 int;
    create table t2(c1 dom_c1);
    select * from t1 join t2 using( c1 );

    I didn't see a need for maintaining the domain as the preferred type. A
    simple getBaseType() call on all elements of the list seems to be
    enough.

    --
    Rod Taylor <rbt@rbt.ca>