sql - Update table values using 2 tables -


i have 2 tables follows:

comment text

record_id_fk   sort_order   comment_text -----------------------------------------  101             1           test text  101             1           more test text  101             1           more...  101             2           more...  101             2           more...  101             2           more...  101             2           more...  101             3           more...  101             3           more...  101             3           more...  102             1           test text  102             1           more test text  102             1           more...  102             2           more...  102             2           more...  102             2           more...  102             2           more...  102             3           more...  102             3           more...  102             3           more...

products

 product_id      sort_order   record_id_fk  -----------------------------------------  111             1             101  222             2             101  333             3             101  444             1             102  555             2             102  666             3             102

i need able change sort order of comments values supplied form. sort_order entry in comments table can swapped around, sort_order value 3 can swapped value 2, or sort_order value 1's can swapped value 2 , value 2 can swapped value 3 etc etc.

the function update sql reside excepts sort_order , product_id value , hit each time via loop in action file.

i have tried using sql update statement , using exists() looking see if product_id exists , joining record_id , sort_order fails sort_order changed next row change fails sort_order no longer valid.

i don't think acheivable have here, limited how can link 2 tables change sort_order en masse.

i using oracle 11g , coldfusion 9.

any ideas appeciated or confirmation not possible have here.

thanks

jc


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