https://sourceforge.net/p/codak/home/codak-mysql/Recent changes to codak-mysqlenWed, 19 Oct 2011 14:38:06 -0000https://sourceforge.net/p/codak/home/codak-mysql/<pre></pre>wauterWed, 19 Oct 2011 14:38:06 -0000https://sourceforge.netcd37db1ef6ec9e5ccb1e130a1169e24ab00e163chttps://sourceforge.net/p/codak/home/codak-mysql%2520%2528source%2529/The CoDAK MySQL extension adds *codak_product*, a MySQL User-defined Function (UDF), to MySQL. *codak_product* is an aggregate function which calculates the product of its arguments. Null values are ignored. Input parameters: * values (real) Output: * product of the values (real) Usage example: ~~~~~~ mysql> CREATE TABLE test_values (value REAL NULL); Query OK, 0 rows affected (0.13 sec) mysql> INSERT INTO test_values VALUES(1),(5),(NULL),(0.1); Query OK, 4 rows affected (0.04 sec) Records: 4 Duplicates: 0 Warnings: 0 mysql> SELECT codak_product(value) FROM test_values; +----------------------+ | codak_product(value) | +----------------------+ | 0.50000000 | +----------------------+ 1 row in set (0.01 sec) mysql> ~~~~~~ wauterWed, 19 Oct 2011 14:37:34 -0000https://sourceforge.netcb21633aef4ade43739b7ba4b8273a4d9301ab31