Opened 11 years ago

Closed 11 years ago

#24033 closed Cleanup/optimization (fixed)

Reimplement Interval type on Oracle

Reported by: Shai Berger Owned by: Marc Tamlyn
Component: Database layer (models, ORM) Version: dev
Severity: Release blocker Keywords: oracle interval
Cc: Triage Stage: Accepted
Has patch: yes Needs documentation: no
Needs tests: no Patch needs improvement: yes
Easy pickings: no UI/UX: no

Description

This is essentially a spin-off from #2443: The Interval type was implemented for Oracle, but it is using the default implementation of a bigint counting microseconds, instead of Oracle's built-in Interval type. We need to use the Interval type, and do so before a version with intervals is released, because changing the field type later will be very hard.

The ticket is marked as a blocker and accepted following an IRC discussion with mjtamlyn.

Change History (3)

comment:1 by Marc Tamlyn, 11 years ago

Has patch: set
Owner: changed from Shai Berger to Marc Tamlyn
Status: new → assigned
Triage Stage: Accepted → Ready for checkin

comment:2 by Shai Berger, 11 years ago

Patch needs improvement: set
Triage Stage: Ready for checkin → Accepted

Almost perfect; I commented on the ​PR.

comment:3 by Marc Tamlyn <marc.tamlyn@…>, 11 years ago

Resolution: → fixed
Status: assigned → closed

In 5ca82e710e2f92b8c5114492205c8764918407d3:

Fixed #24033 -- Use interval type on Oracle.

Use INTERVAL DAY(9) TO SECOND(6) for Durationfield on Oracle rather than
storing as a NUMBER(19) of microseconds.

There are issues with cx_Oracle which require some extra data
manipulation in the database backend when constructing queries, but it
handles the conversion back to timedelta objects cleanly.

Thanks to Shai for the review.

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