sqlalchemy-bot

**Changes by Michael Bayer ([@zzzeek](https://github.com/zzzeek)):** * removed labels: **high priority**

**Changes by Michael Bayer ([@zzzeek](https://github.com/zzzeek)):** * changed **milestone** from "0.x.xx" to "1.x.xx"

**Changes by Michael Bayer ([@zzzeek](https://github.com/zzzeek)):** * edited description

**Changes by Michael Bayer ([@zzzeek](https://github.com/zzzeek)):** * changed **title** from "self-referential flush() should not require post_u" to "self-referential / mutually dependent FK flush() s"

**Anonymous wrote:** please add [email protected] to cc for me

**Anonymous wrote:** See also #1760

**Michael Bayer ([@zzzeek](https://github.com/zzzeek)) wrote:** Can you give me some background/rationale for this ? is this another oracle 8 thing ? from sqlalchemy import * e = create_engine('oracle://scott:tiger@localhost/xe', echo='debug') print e.execute("select...

**Michael Bayer ([@zzzeek](https://github.com/zzzeek)) wrote:** I'll note that `now()` resolves to `CURRENT_TIMESTAMP` currently. classics-MacBook-Pro:sqlalchemy classic$ python Python 2.7.0+ (release27-maint:85873, Oct 27 2010, 19:38:38) [4.0.1 (Apple Inc. build 5494)](GCC) on darwin Type...

**Anonymous wrote:** Replying to [zzzeek](comment:5): > Can you give me some background/rationale for this ? is this another oracle 8 thing ? > Mainly, yes, CURRENT_DATE & CURRENT_TIMESTAMP didn't arrive...

**Michael Bayer ([@zzzeek](https://github.com/zzzeek)) wrote:** `func.now()` generally does return the microseconds on other backends. So SYSDATE would likely be only on oracle-8 check.