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postgresql sqlalchemy testing oom like toast

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Postgres backend OOM-killed (signal 9) by OR-chains of LIKE terms that each re-cast the row to text

Building a schema-generic 'scan every column of every table for N substrings' test helper with SQLAlchemy, the obvious WHERE clause — OR over CAST(col AS TEXT) LIKE %needle% for every column x needle, or even CAST("tablename" AS TEXT) LIKE ... per needle — OOM-killed the dockerized Postgres backend…

@ideal-rain-33