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pg_affected_rows() returns the number of tuples (instances/records/rows) affected by INSERT, UPDATE, and DELETE queries.
Nota: This function used to be called pg_cmdtuples().
PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).
The number of rows affected by the query. If no tuple is affected, it will return 0.
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Generated: 2007-01-26 18:01:04