jrgemignani opened a new pull request, #2365:
URL: https://github.com/apache/age/pull/2365
The age_global_graph test had two issues that could cause intermittent
failures:
1. Nondeterministic warning output: The graph_stats() call on a graph with
deliberately deleted vertices produces WARNING messages for dangling edges.
These warnings are emitted by iterating edge label tables (knows, stalks), and
the iteration order is not guaranteed. Since PostgreSQL WARNING messages cannot
be caught or counted from SQL (only ERROR and above are catchable via PL/pgSQL
exception handling), we suppress them with SET client_min_messages = error. The
suppressed warnings are documented verbatim in comments. The graph_stats()
result row still validates correct dangling-edge handling.
2. Nondeterministic row ordering: Multiple MATCH...RETURN queries returned
multi-row results without ORDER BY, relying on scan order. Added ORDER BY
id(u), id(v), id(e), id(n), or id(a) as appropriate to all MATCH...RETURN
queries for future-proofing, even those currently returning a single row.
Files changed:
regress/sql/age_global_graph.sql
regress/expected/age_global_graph.out
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