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| author | Bruce Momjian <bruce@momjian.us> | 2023-11-03 13:57:59 -0400 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2023-11-03 13:57:59 -0400 |
| commit | d1d80ef0115d5c7a079136403528a485c3c48586 (patch) | |
| tree | 1b315759e3d59cf7f00b16ec94472f62f59c5bac | |
| parent | e29f8e7535f4bb68e30de8066e6aba460d0f072c (diff) | |
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
| -rw-r--r-- | doc/src/sgml/ref/psql-ref.sgml | 4 | ||||
| -rw-r--r-- | src/bin/psql/copy.c | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml index d14f0581e60..32eee145acd 100644 --- a/doc/src/sgml/ref/psql-ref.sgml +++ b/doc/src/sgml/ref/psql-ref.sgml @@ -1086,6 +1086,10 @@ testdb=> destination, because all data must pass through the client/server connection. For large amounts of data the <acronym>SQL</acronym> command might be preferable. + Also, because of this pass-through method, <literal>\copy + ... from</literal> in <acronym>CSV</acronym> mode will erroneously + treat a <literal>\.</literal> data value alone on a line as an + end-of-input marker. </para> </tip> diff --git a/src/bin/psql/copy.c b/src/bin/psql/copy.c index e1fee8e0992..5a9ec297c28 100644 --- a/src/bin/psql/copy.c +++ b/src/bin/psql/copy.c @@ -629,6 +629,7 @@ 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. * https://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) |