diff --git a/src/fe_utils/string_utils.c b/src/fe_utils/string_utils.c index c7824591c41..0bad361b5b5 100644 --- a/src/fe_utils/string_utils.c +++ b/src/fe_utils/string_utils.c @@ -790,29 +790,38 @@ appendPsqlMetaConnect(PQExpBuffer buf, const char *dbname) } } - appendPQExpBufferStr(buf, "\\connect "); if (complex) { PQExpBufferData connstr; initPQExpBuffer(&connstr); + + /* + * Force the target psql's encoding to SQL_ASCII. We don't really + * know the encoding of the database name, and it doesn't matter as + * long as psql will forward it to the server unchanged. + */ + appendPQExpBufferStr(buf, "\\encoding SQL_ASCII\n"); + appendPQExpBufferStr(buf, "\\connect -reuse-previous=on "); + appendPQExpBufferStr(&connstr, "dbname="); appendConnStrVal(&connstr, dbname); - appendPQExpBufferStr(buf, "-reuse-previous=on "); - /* * As long as the name does not contain a newline, SQL identifier * quoting satisfies the psql meta-command parser. Prefer not to * involve psql-interpreted single quotes, which behaved differently * before PostgreSQL 9.2. */ - appendPQExpBufferStr(buf, fmtId(connstr.data)); + appendPQExpBufferStr(buf, fmtIdEnc(connstr.data, PG_SQL_ASCII)); termPQExpBuffer(&connstr); } else - appendPQExpBufferStr(buf, fmtId(dbname)); + { + appendPQExpBufferStr(buf, "\\connect "); + appendPQExpBufferStr(buf, fmtIdEnc(dbname, PG_SQL_ASCII)); + } appendPQExpBufferChar(buf, '\n'); }