static void

dumpToastCompression(Archive *AH)

{

constchar *toast_compression;

char *toast_compression;

PQExpBuffer qry;

PGresult *res;

if (AH->remoteVersion < 140000 || AH->dopt->no_toast_compression)

if (AH->dopt->no_toast_compression)

{

/*server doesn'tsupport compression, or we don't care */

/*we don'tintend to dump the info, so no need to fetch it either */

return;

}

res = ExecuteSqlQueryForSingleRow(AH, "SHOW default_toast_compression");

toast_compression = PQgetvalue(res, 0, 0);

if (AH->remoteVersion < 140000)

{

/* pre-v14, the only method was pglz */

toast_compression = pg_strdup("pglz");

}

else

{

PGresult *res;

res = ExecuteSqlQueryForSingleRow(AH, "SHOW default_toast_compression");

toast_compression = pg_strdup(PQgetvalue(res, 0, 0));

PQclear(res);

}

qry = createPQExpBuffer();

appendPQExpBufferStr(qry, "SET default_toast_compression = ");

* Also save it in AH->default_toast_compression, in case we're doing

* plain text dump.

*/

AH->default_toast_compression =pg_strdup(toast_compression);

AH->default_toast_compression = toast_compression;

PQclear(res);

destroyPQExpBuffer(qry);

}