Adapter macro namespace issue

[jtcohen6]

Issue

Issue description

{% set cols = get_columns_in_relation(source('my_source','my_table')) %} = works as expected
{% set cols = adapter.get_columns_in_relation(source('my_source','my_table')) %} = error

Results

Running with dbt=0.13.0-rc1
Encountered an error:
Compilation Error in macro statement (macros/core.sql)
  'str object' has no attribute 'information_schema'

  > in macro redshift__get_columns_in_relation (macros/adapters.sql)
  > called by macro adapter_macro (macros/adapters/common.sql)
  > called by macro get_columns_in_relation (macros/adapters/common.sql)
  > called by macro statement (macros/core.sql)

System information

The output of dbt --version:

installed version: 0.13.0-rc1
   latest version: 0.12.2

Your version of dbt is ahead of the latest release!

[drewbanin]

this appears to be fixed - closing