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COPY's test for read-only transaction was backward; it prohibited COPY TO 

where it should prohibit COPY FROM.  Found by Alon Goldshuv.
This commit is contained in:
Tom Lane 2005-10-03 23:43:09 +00:00
parent 53e47cdd79
commit 060d13f7c7
2 changed files with 13 additions and 3 deletions
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12
doc/src/sgml/release.sgml
View File

@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.387 2005/10/03 16:04:13 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.388 2005/10/03 23:43:06 tgl Exp $
Typical markup:
@ -2097,6 +2097,11 @@ DATABASE</></para>
<para>This should fix recent reports of <quote>index is not a btree</>
failures when a crash occurs shortly after <command>CREATE
DATABASE</>.</para></listitem>
<listitem><para>Fix the sense of the test for read-only transaction
in <command>COPY</></para>
<para>The code formerly prohibited <command>COPY TO</>, where it should
prohibit <command>COPY FROM</>.
</para></listitem>
<listitem><para>Handle consecutive embedded newlines in <command>COPY</>
CSV-mode input</para></listitem>
<listitem><para>Fix <function>date_trunc(week)</> for dates near year
@ -4868,6 +4873,11 @@ length when using a multiple-byte character set (Yoshiyuki Asaba)</para>
<para>In prior releases, the padding of <type>CHAR()</> was incorrect
because it only padded to the specified number of bytes without
considering how many characters were stored.</para></listitem>
<listitem><para>Fix the sense of the test for read-only transaction
in <command>COPY</></para>
<para>The code formerly prohibited <command>COPY TO</>, where it should
prohibit <command>COPY FROM</>.
</para></listitem>
<listitem><para>Fix planning problem with outer-join ON clauses that reference
only the inner-side relation</para></listitem>
<listitem><para>Further fixes for <literal>x FULL JOIN y ON true</> corner

4
src/backend/commands/copy.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.251 2005/09/24 22:54:36 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.252 2005/10/03 23:43:09 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -857,7 +857,7 @@ DoCopy(const CopyStmt *stmt)
(is_from ? RowExclusiveLock : AccessShareLock));
/* check read-only transaction */
if (XactReadOnly && !is_from &&
if (XactReadOnly && is_from &&
!isTempNamespace(RelationGetNamespace(cstate->rel)))
ereport(ERROR,
(errcode(ERRCODE_READ_ONLY_SQL_TRANSACTION),