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> If it bothers you that much. I'd make a flag, cleared at the start of 

> each COPY, and then where we test for CR or LF in CopyAttributeOutCSV,
> if the flag is not set then set it and issue the warning.

Andrew Dunstan
This commit is contained in:
Bruce Momjian 2004-12-03 17:13:28 +00:00
parent c1233c849b
commit cb99679aad
1 changed files with 22 additions and 1 deletions
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23
src/backend/commands/copy.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.234 2004/11/06 17:46:27 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.235 2004/12/03 17:13:28 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -98,6 +98,7 @@ static bool fe_eof; /* true if detected end of copy data */
static EolType eol_type; /* EOL type of input */
static int client_encoding; /* remote side's character encoding */
static int server_encoding; /* local encoding */
static bool embedded_line_warning;
/* these are just for error messages, see copy_in_error_callback */
static bool copy_binary; /* is it a binary copy? */
@ -1190,6 +1191,7 @@ CopyTo(Relation rel, List *attnumlist, bool binary, bool oids,
attr = tupDesc->attrs;
num_phys_attrs = tupDesc->natts;
attr_count = list_length(attnumlist);
embedded_line_warning = false;
/*
* Get info about the columns we need to process.
@ -2627,6 +2629,25 @@ CopyAttributeOutCSV(char *server_string, char *delim, char *quote,
!use_quote && (c = *test_string) != '\0';
test_string += mblen)
{
/*
* We don't know here what the surrounding line end characters
* might be. It might not even be under postgres' control. So
* we simple warn on ANY embedded line ending character.
*
* This warning will disappear when we make line parsing field-aware,
* so that we can reliably read in embedded line ending characters
* regardless of the file's line-end context.
*
*/
if (!embedded_line_warning && (c == '\n' || c == '\r') )
{
embedded_line_warning = true;
elog(WARNING,
"CSV fields with embedded linefeed or carriage return "
"characters might not be able to be reimported");
}
if (c == delimc || c == quotec || c == '\n' || c == '\r')
use_quote = true;
if (!same_encoding)