postgres

Author	SHA1	Message	Date
Tom Lane	dd979f66be	Redesign DISTINCT ON as discussed in pgsql-sql 1/25/00: syntax is now SELECT DISTINCT ON (expr [, expr ...]) targetlist ... and there is a check to make sure that the user didn't specify an ORDER BY that's incompatible with the DISTINCT operation. Reimplement nodeUnique and nodeGroup to use the proper datatype-specific equality function for each column being compared --- they used to do bitwise comparisons or convert the data to text strings and strcmp(). (To add insult to injury, they'd look up the conversion functions once for each tuple...) Parse/plan representation of DISTINCT is now a list of SortClause nodes. initdb forced by querytree change...	26 years ago
Thomas G. Lockhart	d1e6368816	Clean up header for uniform appearance throughout tests.	26 years ago
Marc G. Fournier	5e7c0a0b9a	From: Darren King <aixssd!darrenk@abs.net> Subject: [PATCHES] DROP AGGREGATE patch/fix. Here's a patch that fixes the DROP AGGREGATE command to delete the desired aggregate for a specific type.	29 years ago
Marc G. Fournier	78454c2744	shrug	29 years ago