From 8e73f974598b27094a39e34489152e36054816f8 Mon Sep 17 00:00:00 2001 From: Prathamesh Sonpatki Date: Thu, 30 Apr 2015 13:23:02 +0530 Subject: Added documentation for PostGreSQL database_statements [ci skip] - Added documentation for index_name_exists? and rename_index. - Also changed rails to \Rails in documentation of allowed_index_name_length. --- .../active_record/connection_adapters/postgresql/schema_statements.rb | 3 +++ 1 file changed, 3 insertions(+) (limited to 'activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb') diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 168180cfd3..70fc1a6bd8 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -100,6 +100,7 @@ module ActiveRecord SQL end + # Verifies existence of an index with a given name. def index_name_exists?(table_name, index_name, default) exec_query(<<-SQL, 'SCHEMA').rows.first[0].to_i > 0 SELECT COUNT(*) @@ -462,6 +463,8 @@ module ActiveRecord execute "DROP INDEX #{quote_table_name(index_name)}" end + # Renames an index of a table. Raises error if length of new + # index name is greater than allowed limit. def rename_index(table_name, old_name, new_name) validate_index_length!(table_name, new_name) -- cgit v1.2.3