pgis_asmvt_deserialfn()

Datum pgis_asmvt_deserialfn

(

PG_FUNCTION_ARGS

)

Definition at line 240 of file lwgeom_out_mvt.c.

{
#ifndef HAVE_LIBPROTOBUF
        elog(ERROR, "ST_AsMVT: Compiled without protobuf-c support");
        PG_RETURN_NULL();
#else
        MemoryContext aggcontext, oldcontext;
        mvt_agg_context *ctx;
        elog(DEBUG2, "%s called", __func__);
        if (!AggCheckCallContext(fcinfo, &aggcontext))
                elog(ERROR, "%s called in non-aggregate context", __func__);
 
        oldcontext = MemoryContextSwitchTo(aggcontext);
        ctx = mvt_ctx_deserialize(PG_GETARG_BYTEA_P(0));
        MemoryContextSwitchTo(oldcontext);
 
        PG_RETURN_POINTER(ctx);
#endif
}

References mvt_ctx_deserialize().

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