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Commit 345fb82f authored by Bruce Momjian's avatar Bruce Momjian
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Add pg_upgrade comment about mismatch error 

Add comment stating that constraint and index names must match.
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contrib/pg_upgrade/info.c
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...@@ -61,6 +61,9 @@ gen_db_file_maps(DbInfo *old_db, DbInfo *new_db, ...@@ -61,6 +61,9 @@ gen_db_file_maps(DbInfo *old_db, DbInfo *new_db,
* 9.0, TOAST relation names always use heap table oids, hence we * 9.0, TOAST relation names always use heap table oids, hence we
* cannot check relation names when upgrading from pre-9.0. Clusters * cannot check relation names when upgrading from pre-9.0. Clusters
* upgraded to 9.0 will get matching TOAST names. * upgraded to 9.0 will get matching TOAST names.
* If index names don't match primary key constraint names, this will
* fail because pg_dump dumps constraint names and pg_upgrade checks
* index names.
*/ */
if (strcmp(old_rel->nspname, new_rel->nspname) != 0 || if (strcmp(old_rel->nspname, new_rel->nspname) != 0 ||
((GET_MAJOR_VERSION(old_cluster.major_version) >= 900 || ((GET_MAJOR_VERSION(old_cluster.major_version) >= 900 ||
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