[Monetdb-developers] [Monetdb-sql-checkins] sql/src/common sql_types.mx, Feb2009, 1.121.2.1, 1.121.2.2

Stefan Manegold Stefan.Manegold at cwi.nl
Thu Feb 26 23:29:40 CET 2009


FYI:

This checkin seems to change the DB schema, making existing databases
incompatible with the code after this change:

!FATAL: SQL schema missing or incompatible, rebuild from archive

Stefan


On Thu, Feb 26, 2009 at 04:56:32PM +0000, Roberto Cornacchia wrote:
> Update of /cvsroot/monetdb/sql/src/common
> In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv29270/common
> 
> Modified Files:
>       Tag: Feb2009
> 	sql_types.mx 
> Log Message:
> added prod() aggregation function in SQL
> 
> Not part of standard SQL, but useful and available in most SQL DBs
> 
> 
> 
> U sql_types.mx
> Index: sql_types.mx
> ===================================================================
> RCS file: /cvsroot/monetdb/sql/src/common/sql_types.mx,v
> retrieving revision 1.121.2.1
> retrieving revision 1.121.2.2
> diff -u -d -r1.121.2.1 -r1.121.2.2
> --- sql_types.mx	11 Feb 2009 19:35:44 -0000	1.121.2.1
> +++ sql_types.mx	26 Feb 2009 16:56:29 -0000	1.121.2.2
> @@ -1361,6 +1361,35 @@
>  	t++; /* LNG */
>  	sql_create_aggr("sum", "aggr", "sum", *(t), *(t));
>  
> +	/* prod for numerical and decimals */
> +	sql_create_aggr("prod", "aggr", "product", BTE, SHT);
> +	sql_create_aggr("prod", "aggr", "product", BTE, INT);
> +	sql_create_aggr("prod", "aggr", "product", BTE, WRD);
> +	sql_create_aggr("prod", "aggr", "product", BTE, LNG);
> +
> +	sql_create_aggr("prod", "aggr", "product", SHT, INT);
> +	sql_create_aggr("prod", "aggr", "product", SHT, WRD);
> +	sql_create_aggr("prod", "aggr", "product", SHT, LNG);
> +
> +	sql_create_aggr("prod", "aggr", "product", INT, WRD);
> +	sql_create_aggr("prod", "aggr", "product", INT, LNG);
> +
> +	sql_create_aggr("prod", "aggr", "product", WRD, WRD);
> +	sql_create_aggr("prod", "aggr", "product", WRD, LNG);
> +	sql_create_aggr("prod", "aggr", "product", LNG, LNG);
> +
> +	t = decimals; /* BTE */
> +	sql_create_aggr("prod", "aggr", "product", *(t), *(t+1));
> +	sql_create_aggr("prod", "aggr", "product", *(t), *(t+2));
> +	sql_create_aggr("prod", "aggr", "product", *(t), *(t+3));
> +	t++; /* SHT */
> +	sql_create_aggr("prod", "aggr", "product", *(t), *(t+1));
> +	sql_create_aggr("prod", "aggr", "product", *(t), *(t+2));
> +	t++; /* INT */
> +	sql_create_aggr("prod", "aggr", "product", *(t), *(t+1));
> +	t++; /* LNG */
> +	sql_create_aggr("prod", "aggr", "product", *(t), *(t));
> +
>  	for (t = numerical; t < floats; t++) {
>  		sql_create_aggr("avg", "aggr", "avg", *(t), DBL);
>  		sql_create_func("mod", "calc", "%", *t, *t, *t, SCALE_FIX);
> @@ -1368,6 +1397,7 @@
>  
>  	for (t = floats; t < dates; t++) {
>  		sql_create_aggr("sum", "aggr", "sum", *t, *t);
> +		sql_create_aggr("prod", "aggr", "product", *t, *t);
>  		sql_create_aggr("avg", "aggr", "avg", *t, DBL);
>  
>  		sql_create_func("mod", "calc", "fmod", *t, *t, *t, SCALE_FIX);
> 
> 
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-- 
| Dr. Stefan Manegold | mailto:Stefan.Manegold at cwi.nl |
| CWI,  P.O.Box 94079 | http://www.cwi.nl/~manegold/  |
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