Hello so this is actualised patch:
* concat_sql removed
* left, right, reverse and concat are in core
* printf and concat_ws are in contrib
* format show "<NULL>" as NULL string
* removed an using of wide chars
todo:
NULL handling for printf function
Query:
what is corect result for
* printf(">>%3.2d<<", NULL) ??
* printf(">>%3.2s", NULL) ??
Regards
Pavel Stehule
2010/7/12 Itagaki Takahiro <itagaki.takah...@gmail.com>:
> 2010/7/12 Robert Haas <robertmh...@gmail.com>:
>> I'm all in favor of putting such things in core as are supported by
>> multiple competing products, but is that really true for all of these?
>
> - concat() : MySQL, Oracle, DB2
> - concat_ws() : MySQL,
> - left(), right() : MySQL, SQL Server, DB2
> - reverse() : MySQL, SQL Server, Oracle (as utl_raw.reverse)
>
> concat_sql(), format(), and sprintf() will be our unique features.
>
> --
> Itagaki Takahiro
>
stringfunc.diff
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