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-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index a9940209fa..98bcbfff6f 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -1208,12 +1208,19 @@ module ActiveRecord
end
# Renames a table.
+ # Also renames a table's primary key sequence if the sequence name matches the
+ # Active Record default.
#
# Example:
# rename_table('octopuses', 'octopi')
def rename_table(name, new_name)
clear_cache!
execute "ALTER TABLE #{quote_table_name(name)} RENAME TO #{quote_table_name(new_name)}"
+ pk, seq = pk_and_sequence_for(new_name)
+ if seq == "#{name}_#{pk}_seq"
+ new_seq = "#{new_name}_#{pk}_seq"
+ execute "ALTER TABLE #{quote_table_name(seq)} RENAME TO #{quote_table_name(new_seq)}"
+ end
end
# Adds a new column to the named table.