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SQLITE_E_CONSTRAINT_NOTNULL
SQLITE_E_CONSTRAINT_NOTNULL corresponds to SQLITE_CONSTRAINT_NOTNULL. An INSERT or UPDATE tried to store NULL in a column declared NOT NULL.
What to check
- Find which bound parameter or expression became NULL rather than assuming the application omitted the column.
- Check default values and trigger logic; either can transform an apparently valid input into a NULL assignment.
- Change the schema only when NULL is genuinely valid for the domain, not merely to make the current statement pass.
SELECT sql FROM sqlite_master WHERE type = 'table' AND name = 'your_table';SQLite: SQLITE_CONSTRAINT_NOTNULL
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