When encountering a 23502: Not null violation error in PostgreSQL, the recommended immediate action is to:
INSERT or UPDATE statement that was trying to modify the table. Look for any columns that were not provided with values in the query.NOT NULL. Use the following SQL command:SELECT column_name, data_type, is_nullable
FROM information_schema.columns
WHERE table_name = 'your_table_name' AND column_name = 'your_column_name';
your_table_name and your_column_name with the actual table and column names.ALTER TABLE your_table_name ALTER COLUMN your_column_name DROP NOT NULL;
your_table_name and your_column_name with the correct values.These steps will help you resolve the 23502: Not null violation error by either adjusting your query to meet the not null constraint of the column or by altering the table schema to allow null values if that's suitable for your application logic.
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