if used A, what different does fts3 with sqlite

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ouwind
2009-11-20

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发件人:  Dan Kennedy <[email protected]>
发送时间:  2009-11-20 12:32
主   题:  Re: [sqlite] how index stored by fts3
收件人:  General Discussion of SQLite Database <[email protected]>



On Nov 20, 2009, at 10:24 AM, ouwind wrote:

>
> it used revert index or just index
> for example:
> i insert some records
> 1:"i am a boy"
> 2:"i am a girl"
> 3:"you are a boy"
>
> what's the table stores like
> option A: id,  content
>          1,   i am a boy
>          2,   i am a girl
>          3,   you are a boy
> option B: value, docid
>          i    , 1,2
>          am   , 1,2
>          a    , 1,2,3
>          boy  , 1,3
>          girl , 2
>          you  , 3
>          are  , 3
>
> it used struct A or B?

Both, as it happens. Structure B is stored in a tricky way
to minimize its size.

Dan.

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