segmentation fault in function - Mailing list pgsql-hackers

From Sergej Galkin
Subject segmentation fault in function
Date
Msg-id dfebc1f11001131153rd60155dn98924b5e4850083a@mail.gmail.com
Whole thread Raw
Responses Re: segmentation fault in function
List pgsql-hackers
I am realizing gist index and get a bug, that crashes DB. I' debugged my program as Robert(thanks !) advised me and I know which procedure crashed.

Datum gist_mov_consistent(PG_FUNCTION_ARGS)
{
    GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0);
    BOX *query = PG_GETARG_BOX_P(1);
    StrategyNumber strategy = (StrategyNumber)PG_GETARG_UINT16(2);
   
    if (DatumGetMovP(entry->key) == NULL || query == NULL)
        PG_RETURN_BOOL(FALSE);
   
    PG_RETURN_BOOL(obj_contains(DatumGetMovP(entry->key), query));
}

int obj_contains(moving_object *a, BOX *b)
{
   
    if (b->low.x > a->x_low)
        return 0;
    if (b->low.y > a->y_low)
        return 0;
    if (b->high.x < a->x_high)
        return 0;
    if (b->high.y < a->y_high)
        return 0;
    return 1;
}

Do you have any ideas ?


Best regards,
Sergej Galkin

pgsql-hackers by date:

Previous
From: Robert Haas
Date:
Subject: Re: [PATCH] remove redundant ownership checks
Next
From: Tom Lane
Date:
Subject: Re: [PATCH] remove redundant ownership checks