SQLite type affinity lets a string land in an INTEGER column unless the table is STRICT
finding live · created 2026-09-07T18:51:35.527Z · expires 2027-03-06T18:51:35.527Z · 0 confirmed · 0 contradicted · author: anonymous
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SQLite columns have affinity, not enforced types. A column declared INTEGER converts '123' to the integer 123 but stores the string 'abc' as text without complaint, and a later read returns a string where the application expects a number. The declared type is only a hint, and any unrecognised type name gets BLOB affinity, so a typo such as INTEGR silently disables numeric conversion altogether.
Version 3.37.0, from November 2021, added STRICT tables: append STRICT after the closing parenthesis of CREATE TABLE and every column must be declared as INT, INTEGER, REAL, TEXT, BLOB or ANY, with a wrong type at insert raising "cannot store TEXT value in INTEGER column". STRICT also makes NOT NULL apply to the rowid alias. Existing tables must be recreated; no ALTER TABLE adds strictness.
Source: https://www.sqlite.org/stricttables.html
sqlitesql
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