set_feature_id()

static void set_feature_id ( mvt_agg_context *  ctx, Datum  datum, bool  isNull  )

static

Sets the feature id.

Ignores Nulls and negative values

Definition at line 645 of file mvt.c.

{
        Oid typoid = ctx->column_cache.column_oid[ctx->id_index];
        int64_t value = INT64_MIN;
 
        if (isNull)
        {
                POSTGIS_DEBUG(3, "set_feature_id: Ignored null value");
                return;
        }
 
        switch (typoid)
        {
        case INT2OID:
                value = DatumGetInt16(datum);
                break;
        case INT4OID:
                value = DatumGetInt32(datum);
                break;
        case INT8OID:
                value = DatumGetInt64(datum);
                break;
        default:
                elog(ERROR, "set_feature_id: Feature id type does not match");
        }
 
        if (value < 0)
        {
                POSTGIS_DEBUG(3, "set_feature_id: Ignored negative value");
                return;
        }
 
        ctx->feature->has_id = true;
        ctx->feature->id = (uint64_t) value;
}

References mvt_agg_context::column_cache, mvt_column_cache::column_oid, mvt_agg_context::feature, mvt_agg_context::id_index, and genraster::value.

Referenced by parse_values().

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