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…nly case The elif branch handling an upper-bound-only ROI dimension was checking roi.begin[dim] (always False at that point) instead of roi.end[dim], causing the upper-bound constraint to be silently dropped. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Roi uses half-open intervals where end is exclusive. SQL BETWEEN is inclusive on both ends, so nodes exactly at roi.end were incorrectly included. Replace with >= begin AND < end. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The __attr_query() call already generates WHERE conditions for all attr_filter entries. The subsequent for-loop over attr_filter appended the same conditions again, producing redundant SQL like "WHERE foo=1 AND foo=1". Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Same issue as read_nodes — __attr_query() already generates the full filter clause, but the subsequent for-loop re-appended identical conditions. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
write_nodes was hardcoding fail_if_exists=True in the _insert_query call, silently ignoring the caller's parameter. Duplicate node inserts with fail_if_exists=False would crash instead of being ignored. Add test_graph_duplicate_insert_behavior to verify both flags work correctly for nodes and edges. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Also adds a Join query to handle cases where edges are fetched by roi and not by list of nodes. This is more efficient due to having a single round trip query.
Previous behavior was to silently ignore `roi`.
Reading by ROI can be significantly more efficient that reading by node list since the node list can be huge and would need to be serialized to a string.
This allows testing on dbs other than simply a locally running db.
There is now a bulk version of `write_nodes`, `write_edges`, and `write_graph`. These are faster but do not support some features such as fail_if_exists, and thus require more care from the user to guarantee data being passed is valid. There are also helper context managers that will drop and rebuild indexes and drop/re-add synchronised commits that can also be used to further speed up writes. Tests have been expanded to make sure that the new api matches the features of the base implementation and to test that it is actually faster.
…nections. Fixes a very frustraiting permanent hang that can occur due to unclosed postgresql connections
… large numbers like fragment ids much easier
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February 11, 2026 21:39
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Features:
Add a bulk write api with the following features:
write_graph,write_nodesandwrite_edgesImproved edge reads
Handle larger int columns.
Bug fixes:
fail_if_existwas either not used, or used incorrectly, or not behaving as expected.closemethod to graph providers to close open connections to DB. Turned db_factory test fixture into a context manager that closes connections. This resolved an annoying bug causing tests to hang permanently in rare cases.Expanded tests to cover many of the above cases