In pg_upgrade, remove dependency on pg_config, as that might not be in

the non-development install.  Instead, use the LOAD mechanism to check
for the pg_upgrade_support shared object, like we do for other shared
object checks.

Backpatch to 9.1.

Report from Àlvaro
This commit is contained in:
Bruce Momjian 2012-03-19 09:31:50 -04:00
parent e3fc4a97bc
commit 02b183acb4
2 changed files with 11 additions and 46 deletions

View File

@ -20,7 +20,6 @@ static void check_is_super_user(ClusterInfo *cluster);
static void check_for_prepared_transactions(ClusterInfo *cluster);
static void check_for_isn_and_int8_passing_mismatch(ClusterInfo *cluster);
static void check_for_reg_data_type_usage(ClusterInfo *cluster);
static void check_for_support_lib(ClusterInfo *cluster);
static void get_bin_version(ClusterInfo *cluster);
@ -265,8 +264,6 @@ check_cluster_versions(void)
void
check_cluster_compatibility(bool live_check)
{
check_for_support_lib(&new_cluster);
/* get/check pg_control data of servers */
get_control_data(&old_cluster, live_check);
get_control_data(&new_cluster, false);
@ -836,45 +833,6 @@ check_for_reg_data_type_usage(ClusterInfo *cluster)
}
/*
* Test pg_upgrade_support.so is in the proper place. We cannot copy it
* ourselves because install directories are typically root-owned.
*/
static void
check_for_support_lib(ClusterInfo *cluster)
{
char cmd[MAXPGPATH];
char libdir[MAX_STRING];
char libfile[MAXPGPATH];
FILE *lib_test;
FILE *output;
snprintf(cmd, sizeof(cmd), "\"%s/pg_config\" --pkglibdir", cluster->bindir);
if ((output = popen(cmd, "r")) == NULL ||
fgets(libdir, sizeof(libdir), output) == NULL)
pg_log(PG_FATAL, "Could not get pkglibdir data using %s: %s\n",
cmd, getErrorText(errno));
pclose(output);
/* Remove trailing newline */
if (strchr(libdir, '\n') != NULL)
*strchr(libdir, '\n') = '\0';
snprintf(libfile, sizeof(libfile), "%s/pg_upgrade_support%s", libdir,
DLSUFFIX);
if ((lib_test = fopen(libfile, "r")) == NULL)
pg_log(PG_FATAL,
"The pg_upgrade_support module must be created and installed in the %s cluster.\n",
CLUSTER_NAME(cluster));
fclose(lib_test);
}
static void
get_bin_version(ClusterInfo *cluster)
{

View File

@ -13,6 +13,7 @@
#include "access/transam.h"
#define PG_UPGRADE_SUPPORT "$libdir/pg_upgrade_support"
/*
* install_support_functions_in_new_db()
@ -154,17 +155,17 @@ get_loadable_libraries(void)
PQfinish(conn);
}
totaltups++; /* reserve for pg_upgrade_support */
/* Allocate what's certainly enough space */
if (totaltups > 0)
os_info.libraries = (char **) pg_malloc(totaltups * sizeof(char *));
else
os_info.libraries = NULL;
/*
* Now remove duplicates across DBs. This is pretty inefficient code, but
* there probably aren't enough entries to matter.
*/
totaltups = 0;
os_info.libraries[totaltups++] = pg_strdup(PG_UPGRADE_SUPPORT);
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
@ -256,6 +257,12 @@ check_loadable_libraries(void)
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
found = true;
/* exit and report missing support library with special message */
if (strcmp(lib, PG_UPGRADE_SUPPORT) == 0)
pg_log(PG_FATAL,
"The pg_upgrade_support module must be created and installed in the new cluster.\n");
if (script == NULL && (script = fopen_priv(output_path, "w")) == NULL)
pg_log(PG_FATAL, "Could not open file \"%s\": %s\n",
output_path, getErrorText(errno));