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Showing posts from August, 2011

Retrieving Documents Between Two Dates From CouchDB

I'm working on converting yet another application from using SQL Server to using CouchDB, and this morning I'm working with some announcement documents that are displayed based on their start and end date. There are numerous ways to approach this problem but I thought I'd share what I came up with in case this solution helps others, and also to see if there's maybe another approach I didn't consider.
First, since there is no date datatype in JSON, we've standardized (for better or worse) on storing dates as a string with the format "YYYY/MM/DD HH:MM:SS", e.g. "2011/08/27 09:22:36", so date and time separated by a space, always with leading zeros for single digits, and always using a 24-hour clock. This allows date/time strings to sort properly when they're used as keys, it's easy to split the string using the space if you need either just the date or just the time, and since this application is for my day job the time will always be i…