> > ps: I just think postresql could make this easyly. Don't you think ? Any > function or anything else.
What's hard about the self-join? That's how SQL works. A -- Andrew Sullivan | [EMAIL PROTECTED] When my information changes, I alter my conclusions. What do you do sir? --attr. John Maynard Keynes ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match