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Update pg_upgrade C comments.

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This commit is contained in:
Bruce Momjian 2011-01-05 14:09:01 -05:00
parent a45beaac64
commit e66e43988a
1 changed files with 3 additions and 6 deletions
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9
contrib/pg_upgrade/info.c
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@ -54,6 +54,7 @@ gen_db_file_maps(DbInfo *old_db, DbInfo *new_db,
if (strcmp(old_rel->nspname, "pg_toast") == 0) if (strcmp(old_rel->nspname, "pg_toast") == 0)
continue; continue;
/* old/new non-toast relation names match */
new_rel = relarr_lookup_rel_name(&new_cluster, &new_db->rel_arr, new_rel = relarr_lookup_rel_name(&new_cluster, &new_db->rel_arr,
old_rel->nspname, old_rel->relname); old_rel->nspname, old_rel->relname);
@ -70,6 +71,7 @@ gen_db_file_maps(DbInfo *old_db, DbInfo *new_db,
char old_name[MAXPGPATH], new_name[MAXPGPATH]; char old_name[MAXPGPATH], new_name[MAXPGPATH];
RelInfo *old_toast, *new_toast; RelInfo *old_toast, *new_toast;
/* use the toast relids from the rel_arr for lookups */
old_toast = relarr_lookup_rel_oid(&old_cluster, &old_db->rel_arr, old_toast = relarr_lookup_rel_oid(&old_cluster, &old_db->rel_arr,
old_rel->toastrelid); old_rel->toastrelid);
new_toast = relarr_lookup_rel_oid(&new_cluster, &new_db->rel_arr, new_toast = relarr_lookup_rel_oid(&new_cluster, &new_db->rel_arr,
@ -79,12 +81,7 @@ gen_db_file_maps(DbInfo *old_db, DbInfo *new_db,
old_toast, new_toast, maps + num_maps); old_toast, new_toast, maps + num_maps);
num_maps++; num_maps++;
/* /* toast indexes are the same, except with an "_index" suffix */
* We also need to provide a mapping for the index of this toast
* relation. The procedure is similar to what we did above for
* toast relation itself, the only difference being that the
* relnames need to be appended with _index.
*/
snprintf(old_name, sizeof(old_name), "%s_index", old_toast->relname); snprintf(old_name, sizeof(old_name), "%s_index", old_toast->relname);
snprintf(new_name, sizeof(new_name), "%s_index", new_toast->relname); snprintf(new_name, sizeof(new_name), "%s_index", new_toast->relname);