PostgreSQL Bugs List wrote:
> this constraint doesn't work correctly : 'FOREIGN KEY (id_1, id_2)
> REFERENCES table_1 ON DELETE CASCADE'
> adding records into table_2 the database sometimes said that there is
> no corresponding record in table_1, but there is.

Please provide a concrete, reproducible example.

-- 
Peter Eisentraut
http://developer.postgresql.org/~petere/


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TIP 9: the planner will ignore your desire to choose an index scan if your
      joining column's datatypes do not match

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