state_serialize()

bytea * state_serialize ( const UnionState *  state )

static

Definition at line 192 of file lwgeom_union.c.

{
        int32 size = VARHDRSZ + sizeof(state->gridSize) + state->size;
        bytea *serialized = lwalloc(size);
        uint8 *data;
        ListCell *cell;
 
        SET_VARSIZE(serialized, size);
        data = (uint8*)VARDATA(serialized);
 
        /* grid size */
        memcpy(data, &state->gridSize, sizeof(state->gridSize));
        data += sizeof(state->gridSize);
 
        /* items */
        foreach (cell, state->list)
        {
                const GSERIALIZED *gser = (const GSERIALIZED*)lfirst(cell);
                assert(gser);
                memcpy(data, gser, VARSIZE(gser));
                data += VARSIZE(gser);
        }
 
        return serialized;
}

References UnionState::gridSize, UnionState::list, lwalloc(), and UnionState::size.

Referenced by pgis_geometry_union_parallel_serialfn().

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