Merge pull request #3521 from nulogy/fix_postgres_adapter_to_handle_spaces_between_schemas

Fix postgres adapter to handle spaces between schemas

activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb

@@ -800,7 +800,6 @@ module ActiveRecord
 
       # Returns an array of indexes for the given table.
       def indexes(table_name, name = nil)
-         schemas = schema_search_path.split(/,/).map { |p| quote(p) }.join(',')
          result = query(<<-SQL, name)
            SELECT distinct i.relname, d.indisunique, d.indkey, pg_get_indexdef(d.indexrelid), t.oid
            FROM pg_class t
@@ -809,7 +808,7 @@ module ActiveRecord
            WHERE i.relkind = 'i'
              AND d.indisprimary = 'f'
              AND t.relname = '#{table_name}'
-             AND i.relnamespace IN (SELECT oid FROM pg_namespace WHERE nspname IN (#{schemas}) )
+             AND i.relnamespace IN (SELECT oid FROM pg_namespace WHERE nspname = ANY (current_schemas(false)) )
           ORDER BY i.relname
         SQL
 

activerecord/test/cases/adapters/postgresql/schema_test.rb

@@ -196,6 +196,10 @@ class SchemaTest < ActiveRecord::TestCase
     do_dump_index_tests_for_schema(SCHEMA2_NAME, INDEX_A_COLUMN, INDEX_B_COLUMN_S2, INDEX_D_COLUMN)
   end
 
+  def test_dump_indexes_for_schema_multiple_schemas_in_search_path
+    do_dump_index_tests_for_schema("public, #{SCHEMA_NAME}", INDEX_A_COLUMN, INDEX_B_COLUMN_S1)
+  end
+
   def test_with_uppercase_index_name
     ActiveRecord::Base.connection.execute "CREATE INDEX \"things_Index\" ON #{SCHEMA_NAME}.things (name)"
     assert_nothing_raised { ActiveRecord::Base.connection.remove_index! "things", "#{SCHEMA_NAME}.things_Index"}