From: Bruce Momjian Date: Fri, 3 Nov 2023 17:57:58 +0000 (-0400) Subject: doc: \copy can get data values \. and end-of-input confused X-Git-Tag: REL_12_17~8 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=36726b7882180b798768239060e462fc9c184d27;p=thirdparty%2Fpostgresql.git doc: \copy can get data values \. and end-of-input confused Reported-by: Svante Richter Discussion: https://postgr.es/m/fcd57e4-8f23-4c3e-a5db-2571d09208e2@beta.fastmail.com Backpatch-through: 11 --- diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml index 86c8b84223b..a5e2d1f0418 100644 --- a/doc/src/sgml/ref/psql-ref.sgml +++ b/doc/src/sgml/ref/psql-ref.sgml @@ -1076,6 +1076,10 @@ testdb=> destination, because all data must pass through the client/server connection. For large amounts of data the SQL command might be preferable. + Also, because of this pass-through method, \copy + ... from in CSV mode will erroneously + treat a \. data value alone on a line as an + end-of-input marker. diff --git a/src/bin/psql/copy.c b/src/bin/psql/copy.c index f9e53d62954..182830f0ccb 100644 --- a/src/bin/psql/copy.c +++ b/src/bin/psql/copy.c @@ -631,6 +631,7 @@ handleCopyIn(PGconn *conn, FILE *copystream, bool isbinary, PGresult **res) * This code erroneously assumes '\.' on a line alone * inside a quoted CSV string terminates the \copy. * http://www.postgresql.org/message-id/E1TdNVQ-0001ju-GO@wrigleys.postgresql.org + * https://www.postgresql.org/message-id/bfcd57e4-8f23-4c3e-a5db-2571d09208e2@beta.fastmail.com */ if (strcmp(buf, "\\.\n") == 0 || strcmp(buf, "\\.\r\n") == 0)