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Re: problem with realizing gist index

From: Nicolas Barbier <nicolas(dot)barbier(at)gmail(dot)com>
To: Sergej Galkin <sergej(dot)galkin(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: problem with realizing gist index
Date: 2009-12-31 12:50:23
Message-ID: b0f3f5a10912310450h1866d49bxc5514e163e9c85ae@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
2009/12/31 Sergej Galkin <sergej(dot)galkin(at)gmail(dot)com>:

> typedef struct moving_object
> {
>     double x_high;
>     double y_high;
>     double x_low;
>     double y_low;
>     time_t mov_time;
>     double x_plus;
>     double y_plus;
>     double x_minus;
>     double y_minus;
> } moving_object;

[..]

> #define DatumGetMovP(x) ((moving_object*)DatumGetPointer(x))

[..]

> but index interface function gives me error: Incompatible type in assignment

[..]

>     moving_object *pageunion, curr;

Note that curr is not defined as a pointer.

>         // THIS IS THE ERROR LINE
>     curr = DatumGetMovP(entryvec->vector[0].key);

But here you want to assign a pointer to it.

Nicolas

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Subject: Re: PATCH: Add hstore_to_json()
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