Fix: PostgreSQL operator mismatch in marti_api/cot_marti_api.py #246
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
## Problem When running OpenTAKServer on with PostgreSQL, the `/Marti/api/cot/xml/...` endpoint fails with a `psycopg.errors.UndefinedFunction: operator does not exist: timestamp without time zone >= interval`. This happens because SQLAlchemy/Postgres cannot compare a `CoT.start` (timestamp) directly against a `timedelta` (interval). ## Solution Modified the filter to compare the `CoT.start` timestamp against a calculated `datetime` object (Current Time - Delta) instead of passing the delta directly to the query. ## Testing - Environment: Ubuntu 24.04, Python 3.12, PostgreSQL 16. - Verified that the GET request now returns valid XML CoT data instead of a 500 Internal Server Error.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Problem
When running OpenTAKServer on with PostgreSQL, the
/Marti/api/cot/xml/...endpoint fails with apsycopg.errors.UndefinedFunction: operator does not exist: timestamp without time zone >= interval.This happens because SQLAlchemy/Postgres cannot compare a
CoT.start(timestamp) directly against atimedelta(interval).Solution
Modified the filter to compare the
CoT.starttimestamp against a calculateddatetimeobject (Current Time - Delta) instead of passing the delta directly to the query.Testing