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The attached applied patch throws an error if the delimiter appears in

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the COPY NULL string:

        test=> copy pg_language to '/tmp/x' with delimiter '|';
        COPY
        test=> copy pg_language to '/tmp/x' with delimiter '|' null '|x';
        ERROR:  COPY delimiter must not appear in the NULL specification
        test=> copy pg_language from '/tmp/x' with delimiter '|' null '|x';
        ERROR:  COPY delimiter must not appear in the NULL specification

It also throws an error if it conflicts with the default NULL string:

        test=> copy pg_language to '/tmp/x' with delimiter '\\';
        ERROR:  COPY delimiter must not appear in the NULL specification
        test=> copy pg_language to '/tmp/x' with delimiter '\\' NULL 'x';
        COPY
This commit is contained in:
Bruce Momjian 2004-04-06 13:21:33 +00:00
parent 5e9f4d26bc
commit 4a72dbc1ae
1 changed files with 9 additions and 1 deletions
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10
src/backend/commands/copy.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.218 2004/02/10 01:55:24 tgl Exp $ * $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.219 2004/04/06 13:21:33 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -779,6 +779,14 @@ DoCopy(const CopyStmt *stmt)
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED), (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("COPY delimiter must be a single character"))); errmsg("COPY delimiter must be a single character")));
/*
* Don't allow the delimiter to appear in the null string.
*/
if (strchr(null_print, delim[0]) != NULL)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("COPY delimiter must not appear in the NULL specification")));
/* /*
* Don't allow COPY w/ OIDs to or from a table without them * Don't allow COPY w/ OIDs to or from a table without them
*/ */