Re: Counting the number of repeated phrases in a column

How about split up the value into individual words and keep their orders?
add words up to form individual phrase and ensure that each phrase only
consists unique/distinct words
count repeated phrases afterward

How about this?

Regards,

David

On Tue, 25 Jan 2022 at 17:22, Karsten Hilbert <Karsten(dot)Hilbert(at)gmx(dot)net>
wrote:

> > There is a short of a function in the standard Postgres to do the
> following:
> >
> > it is easy to count the number of occurrence of words, but it is rather
> difficult to count the number of occurrence of phrases.
> >
> > For instance:
> >
> > A cell of value: 'Hello World' means 1 occurrence a phrase.
> >
> > A cell of value: 'Hello World World Hello' means no occurrence of any
> repeated phrase.
> >
> > But, A cell of value: 'Hello World World Hello Hello World' means 2
> occurrences of 'Hello World'.
> >
> > 'The City of London, London' also has no occurrences of any repeated
> phrase.
> >
> > Anyone has got such a function to check out the number of occurrence of
> any repeated phrases?
>
> For that to become answerable you may want to define what to
> do when facing ambiguity.
>
> Best,
> Karsten
>
>
>