pg_update() updates records that matches condition with data. If options is specified, pg_convert() is applied to data with specified options.
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PostgreSQL database connection resource.
Name of the table into which to update rows.
An array whose keys are field names in the table table_name, and whose values are what matched rows are to be updated to.
An array whose keys are field names in the table table_name, and whose values are the conditions that a row must meet to be updated.
Any number of PGSQL_CONV_OPTS, PGSQL_DML_NO_CONV, PGSQL_DML_EXEC or PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the options then query string is returned.