KX Community

Find answers, ask questions, and connect with our KX Community around the world.
KX Community Guidelines

Home › Forums › kdb+ › how to find the first element for each row which satisfy the condition › Re: how to find the first element for each row which satisfy the condition

Member

May 14, 2022 at 12:00 am

or t can be like this

t: ([]isMatched: (1b,1b,0b,0b;1b,1b,0b,0b;0b,0b,1b,1b); index:((0,1,2,3);(1,0,2,3);(0,1,2,3));id: ((`a,`b,`c,`d);(`a,`b,`c,`d);(`a,`b,`c,`d)))

Main Office Contacts

AMERICAS
Tel: +1 (212) 447 6700
EMEA
Tel: +44 (0)28 3025 2242
APAC
Tel: +65 65921960
ANZ
Tel: +61 (0)2 9236 5700

Useful Information

Software Support
Services
Careers

Resources

KX® and kdb+ are registered trademarks of KX Systems, Inc., a subsidiary of FD Technologies plc.

There was a problem reporting this post.

Harassment Harassment or bullying behavior

Inappropriate Contains mature or sensitive content

Misinformation Contains misleading or false information

Offensive Contains abusive or derogatory content

Suspicious Contains spam, fake content or potential malware

Other

Report note

Please confirm you want to block this member.

You will no longer be able to:

Please allow a few minutes for this process to complete.

You have already reported this .