Class: OCI8::Metadata::View

Inherits:

Base

• Object
• Base
• OCI8::Metadata::View

Defined in:

lib/oci8/metadata.rb

Overview

Information about views

An instance of this class is returned by:

• OCI8#describe_any(name)

• OCI8#describe_table(name, false)

• OCI8#describe_view(name)

• OCI8::Metadata::Schema#all_objects

• OCI8::Metadata::Schema#objects

Instance Method Summary

• #columns ⇒ array of OCI8::Metadata::Column

  Returns column information of the view.

• #num_cols ⇒ Integer

  Returns number of columns.

Methods inherited from Base

#obj_id, #obj_link, #obj_name, #obj_schema

Instance Method Details

#columns ⇒ array of OCI8::Metadata::Column

Returns column information of the view.

Returns:

• (array of OCI8::Metadata::Column)

# File 'lib/oci8/metadata.rb', line 526

def columns
  @columns ||= list_columns.to_a
end

#num_cols ⇒ Integer

Returns number of columns

Returns:

• (Integer)

# File 'lib/oci8/metadata.rb', line 493

def num_cols
  attr_get_ub2(OCI_ATTR_NUM_COLS)
end