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SQLite error code

SQLITE_CONSTRAINT_FUNCTION

SQLITE_CONSTRAINT_FUNCTION is SQLite result code 1043, an extended code of SQLITE_CONSTRAINT.

Result code1043
NameSQLITE_CONSTRAINT_FUNCTION
Primary codeSQLITE_CONSTRAINT

What it means

The SQLITE_CONSTRAINT_FUNCTION error code is not currently used by the SQLite core. However, this error code is available for use by extension functions.

Source: SQLite Result and Error Codes