[SOLR-2690] Date Math should allow clients to override timezone used for rounding (faceting & queries)

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0-ALPHA
• Assignee: Chris M. Hostetter
• Reporter: David Schlotfeldt
• Created: 02/Aug/11 16:39
• Updated: 10/May/13 10:39
• Resolved: 24/Apr/12 16:35

Description

Timezone needs to be taken into account when doing date math. Currently it isn't. DateMathParser instances created are always being constructed with UTC. This is a huge issue when it comes to faceting. Depending on your timezone day-light-savings changes the length of a month. A facet gap of +1MONTH is different depending on the timezone and the time of the year.

I believe the issue is very simple to fix. There are three places in the code DateMathParser is created. All three are configured with the timezone being UTC. If a user could specify the TimeZone to pass into DateMathParser this faceting issue would be resolved.

Issue Links

• relates to: SOLR-750 DateField.parseMath doesn't handle non-existent Z