Class: Google::Cloud::DataCatalog::V1::ColumnSchema

Inherits:
Object
  • Object
show all
Extended by:
Protobuf::MessageExts::ClassMethods
Includes:
Protobuf::MessageExts
Defined in:
proto_docs/google/cloud/datacatalog/v1/schema.rb

Overview

A column within a schema. Columns can be nested inside other columns.

Defined Under Namespace

Modules: IndexingType Classes: FieldElementType, LookerColumnSpec

Instance Attribute Summary collapse

Instance Attribute Details

#column ⇒ ::String

Returns Required. Name of the column.

Must be a UTF-8 string without dots (.). The maximum size is 64 bytes.

Returns:

  • (::String) —

    Required. Name of the column.

    Must be a UTF-8 string without dots (.). The maximum size is 64 bytes.



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#default_value ⇒ ::String

Returns Optional. Default value for the column.

Returns:

  • (::String) —

    Optional. Default value for the column.



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#description ⇒ ::String

Returns Optional. Description of the column. Default value is an empty string.

The description must be a UTF-8 string with the maximum size of 2000 bytes.

Returns:

  • (::String) —

    Optional. Description of the column. Default value is an empty string.

    The description must be a UTF-8 string with the maximum size of 2000 bytes.



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#gc_rule ⇒ ::String

Returns Optional. Garbage collection policy for the column or column family. Applies to systems like Cloud Bigtable.

Returns:

  • (::String) —

    Optional. Garbage collection policy for the column or column family. Applies to systems like Cloud Bigtable.



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#highest_indexing_type ⇒ ::Google::Cloud::DataCatalog::V1::ColumnSchema::IndexingType

Returns Optional. Most important inclusion of this column.

Returns:



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#looker_column_spec ⇒ ::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec

Returns Looker specific column info of this column.

Returns:



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#mode ⇒ ::String

Returns Optional. A column's mode indicates whether values in this column are required, nullable, or repeated.

Only NULLABLE, REQUIRED, and REPEATED values are supported. Default mode is NULLABLE.

Returns:

  • (::String) —

    Optional. A column's mode indicates whether values in this column are required, nullable, or repeated.

    Only NULLABLE, REQUIRED, and REPEATED values are supported. Default mode is NULLABLE.



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#ordinal_position ⇒ ::Integer

Returns Optional. Ordinal position.

Returns:

  • (::Integer) —

    Optional. Ordinal position



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#range_element_type ⇒ ::Google::Cloud::DataCatalog::V1::ColumnSchema::FieldElementType

Returns Optional. The subtype of the RANGE, if the type of this field is RANGE. If the type is RANGE, this field is required. Possible values for the field element type of a RANGE include:

  • DATE
  • DATETIME
  • TIMESTAMP.

Returns:



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#subcolumns ⇒ ::Array<::Google::Cloud::DataCatalog::V1::ColumnSchema>

Returns Optional. Schema of sub-columns. A column can have zero or more sub-columns.

Returns:



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end

#type ⇒ ::String

Returns Required. Type of the column.

Must be a UTF-8 string with the maximum size of 128 bytes.

Returns:

  • (::String) —

    Required. Type of the column.

    Must be a UTF-8 string with the maximum size of 128 bytes.



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# File 'proto_docs/google/cloud/datacatalog/v1/schema.rb', line 90

class ColumnSchema
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Column info specific to Looker System.
  # @!attribute [rw] type
  #   @return [::Google::Cloud::DataCatalog::V1::ColumnSchema::LookerColumnSpec::LookerColumnType]
  #     Looker specific column type of this column.
  class LookerColumnSpec
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Column type in Looker.
    module LookerColumnType
      # Unspecified.
      LOOKER_COLUMN_TYPE_UNSPECIFIED = 0

      # Dimension.
      DIMENSION = 1

      # Dimension group - parent for Dimension.
      DIMENSION_GROUP = 2

      # Filter.
      FILTER = 3

      # Measure.
      MEASURE = 4

      # Parameter.
      PARAMETER = 5
    end
  end

  # Represents the type of a field element.
  # @!attribute [rw] type
  #   @return [::String]
  #     Required. The type of a field element. See
  #     {::Google::Cloud::DataCatalog::V1::ColumnSchema#type ColumnSchema.type}.
  class FieldElementType
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Specifies inclusion of the column in an index
  module IndexingType
    # Unspecified.
    INDEXING_TYPE_UNSPECIFIED = 0

    # Column not a part of an index.
    INDEXING_TYPE_NONE = 1

    # Column Part of non unique index.
    INDEXING_TYPE_NON_UNIQUE = 2

    # Column part of unique index.
    INDEXING_TYPE_UNIQUE = 3

    # Column part of the primary key.
    INDEXING_TYPE_PRIMARY_KEY = 4
  end
end