On Friday, January 13, 2017 at 5:10:23 PM UTC-8, Septian Hari wrote:
>
> Hello guys,
> as the title says, i wanted to get primary key from a table.
> Is there any method from sequel that provide that?
>
You can get that information using Database#schema, and looking for
:primary_key entries for each column:
DB.schema(:table).select{|(c, h)| h[:primary_key]}.map(&:first)
This returns an array as tables can have multiple primary key columns.
Thanks,
Jeremy
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