it with previous prototype to suppress complaints from picky compilers,
per report from Scott Bailey. Also, remove substitute strerror
definition --- not needed, since we link this with libpgport.
for transaction commits that occurred just before the checkpoint. This is
an EXTREMELY serious bug --- kudos to Satoshi Okada for creating a
reproducible test case to prove its existence.
< * Allow DELETE to handle table aliases for self-joins
> * Allow an alias to be provided for the target table in UPDATE/DELETE
276,279c276,282
< There is no way to create a table alias for the deleted table for use
< in the DELETE WHERE clause. The agreed approach is to allow a USING
< clause to specify additional tables. UPDATE already has an optional
< FROM clause for this purpose.
> This is not SQL-spec but many DBMSs allow it.
>
> * Allow additional tables to be specified in DELETE for joins
>
> UPDATE already allows this (UPDATE...FROM) but we need similar
> functionality in DELETE. It's been agreed that the keyword should
> be USING, to avoid anything as confusing as DELETE FROM a FROM b.
of '.' or '..'. Extend canonicalize_path() to trim off trailing occurrences
of these things, and use it to fix up paths where needed (which I think is
only after places where we trim the last path component, but maybe some
others will turn up). Fixes Josh's complaint that './initdb' does not
work.
slashes to backslashes #ifdef WIN32. This is to cope with the fact
that Windows seems exceedingly unfriendly to slashes in shell commands,
as per recent discussion.
CurrentMemoryContext is DLLIMPORT on Win32. Work around that by
creating stubs in the backend for palloc/pstrdup.
Also fix pg_dumpall to do proper quoting on Win32.
was previously allowed in odd places with odd results now causes an ERROR.
Also changed behavior with respect to whitespace -- trailing whitespace is
now ignored as well as leading whitespace (which has always been ignored).
Documentation updated to reflect change in whitespace handling. Also some
refactoring to what I believe is a more sensible order of several paragraphs.
