SAS Viya. Kevin D. Smith

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      In [88]: swat.set_option('cas.dataset.max_rows_fetched', 500)

      In [89]: swat.set_option('dataset.max_rows_fetched', 500)

      In [90]: swat.set_option('max_rows_fetched', 500)

      The swat.describe_option also works with patterns that match the beginning of multiple option names. This means that you can display all cas.dataset options by just giving the cas.dataset prefix as an argument to swat.describe_option.

      In [91]: swat.describe_option('cas.dataset')

      cas.dataset.max_rows_fetched : int

      The maximum number of rows to fetch with methods that use

      the table.fetch action in the background (i.e. the head, tail,

      values, etc. of CASTable).

      [default: 3000] [currently: 500]

      cas.dataset.auto_castable : boolean

      Should a column of CASTable objects be automatically

      created if a CASLib and CAS table name are columns in the data?

      NOTE: This applies to all except the 'tuples' format.

      [default: True] [currently: True]

      This same technique also works to reset a group of options using swat.reset_option. In either case, you must specify full segment names (for example, cas.dataset), and not just any substring (for example, cas.data).

      The swat.options Object

      In addition to the option functions in the SWAT package, there is an object-based interface as well: swat.options. This method of settings options is just like using the Pandas options object.

      Much like using describe_option without any arguments, using Python’s Help system, you can also display all of the option descriptions with swat.options?.

      In [92]: swat.options?

      Type: AttrOption

      String form: <swat.utils.config.AttrOption object at 0x269a0d0>

      File: swat/utils/config.py

      Definition: swat.options(self, *args, **kwargs)

      Docstring

      cas.dataset.auto_castable : boolean

      Should a column of CASTable objects be automatically

      created if a CASLib and CAS table name are columns in the data?

      NOTE: This applies to all except the 'tuples' format.

      [default: True] [currently: True]

      cas.dataset.bygroup_as_index : boolean

      If True, any by group columns are set as the DataFrame index.

      [default: True] [currently: True]

      cas.dataset.bygroup_collision_suffix : string

      Suffix to use on the By group column name when a By group column

      is also included as a data column.

      [default: _by] [currently: _by]

      ... truncated ...

      Tab completion can also be used to see what options are available.

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