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In pg_upgrade, when checking for the plpython library, we must check for

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"plpython2" when upgrading from pre-PG 9.1.  Patch to head and 9.1.

Per report from Peter.
This commit is contained in:
Bruce Momjian 2012-01-24 22:42:37 -05:00
parent b95aec5290
commit cfe443ab9d
1 changed files with 17 additions and 1 deletions
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18
contrib/pg_upgrade/function.c
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@ -228,8 +228,24 @@ check_loadable_libraries(void)
char *cmd = (char *) pg_malloc(8 + 2 * llen + 1);
PGresult *res;
/*
* In Postgres 9.0, Python 3 support was added, and to do that, a
* plpython2u language was created with library name plpython2.so
* as a symbolic link to plpython.so. In Postgres 9.1, only the
* plpython2.so library was created, and both plpythonu and
* plpython2u pointing to it. For this reason, any reference to
* library name "plpython" in an old PG <= 9.1 cluster must look
* for "plpython2" in the new cluster.
*/
if (GET_MAJOR_VERSION(old_cluster.major_version) < 901 &&
strcmp(lib, "$libdir/plpython") == 0)
{
lib = "$libdir/plpython2";
llen = strlen(lib);
}
strcpy(cmd, "LOAD '");
PQescapeStringConn(conn, cmd + 6, lib, llen, NULL);
PQescapeStringConn(conn, cmd + strlen(cmd), lib, llen, NULL);
strcat(cmd, "'");
res = PQexec(conn, cmd);