Class: OCI8::Metadata::Collection

Inherits:
Base
  • Object
show all
Defined in:
lib/oci8/metadata.rb

Overview

Metadata for a collection.

This is returned by:

  • OCI8::Metadata::Type.collection_element

Instance Method Summary collapse

Methods inherited from Base

#obj_id, #obj_link, #obj_name, #obj_schema

Instance Method Details

#charset_form ⇒ Object

character set form, if the type attribute is of a string/character type.



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# File 'lib/oci8/metadata.rb', line 1211

def charset_form
  __charset_form
end

#charset_id ⇒ Object

character set id if the type attribute is of a string/character type.



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# File 'lib/oci8/metadata.rb', line 1206

def charset_id
  attr_get_ub2(OCI_ATTR_CHARSET_ID)
end

#charset_name ⇒ Object

character set name if the type attribute is of a string/character type.



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# File 'lib/oci8/metadata.rb', line 1216

def charset_name
  __charset_name(charset_id)
end

#data_size ⇒ Object

The maximum size of the type attribute. This length is returned in bytes and not characters for strings and raws. It returns 22 for NUMBERs.



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# File 'lib/oci8/metadata.rb', line 1150

def data_size
  attr_get_ub2(OCI_ATTR_DATA_SIZE)
end

#data_type ⇒ Object

the datatype of the type



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# File 'lib/oci8/metadata.rb', line 1160

def data_type
  __data_type
end

#inspect ⇒ Object

:nodoc:



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# File 'lib/oci8/metadata.rb', line 1220

def inspect # :nodoc:
  "#<#{self.class.name}: #{__data_type_string}>"
end

#num_elems ⇒ Object

the number of elements in an array. It is only valid for collections that are arrays.



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# File 'lib/oci8/metadata.rb', line 1166

def num_elems
  attr_get_ub4(OCI_ATTR_NUM_ELEMS)
end

#precision ⇒ Object

The precision of numeric type attributes. If the precision is nonzero and scale is -127, then it is a FLOAT, else it is a NUMBER(precision, scale). For the case when precision is 0, NUMBER(precision, scale) can be represented simply as NUMBER.



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# File 'lib/oci8/metadata.rb', line 1174

def precision
  __is_implicit? ? attr_get_sb2(OCI_ATTR_PRECISION) : attr_get_ub1(OCI_ATTR_PRECISION)
end

#scale ⇒ Object

The scale of numeric type attributes. If the precision is nonzero and scale is -127, then it is a FLOAT, else it is a NUMBER(precision, scale). For the case when precision is 0, NUMBER(precision, scale) can be represented simply as NUMBER.



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# File 'lib/oci8/metadata.rb', line 1182

def scale
  attr_get_sb1(OCI_ATTR_SCALE)
end

#schema_name ⇒ Object

schema name where the type has been created.



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# File 'lib/oci8/metadata.rb', line 1196

def schema_name
  attr_get_string(OCI_ATTR_SCHEMA_NAME)
end

#type_metadata ⇒ Object

to type metadata if possible



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# File 'lib/oci8/metadata.rb', line 1201

def type_metadata
  __type_metadata(OCI8::Metadata::Type)
end

#type_name ⇒ Object

A string which is the type name. The returned value will contain the type name if the datatype is :named_type or :ref. If the datatype is :named_type, the name of the named datatype’s type is returned. If the datatype is :ref, the type name of the named datatype pointed to by the REF is returned.



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# File 'lib/oci8/metadata.rb', line 1191

def type_name
  attr_get_string(OCI_ATTR_TYPE_NAME)
end

#typecode ⇒ Object

typecode



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# File 'lib/oci8/metadata.rb', line 1155

def typecode
  __typecode(OCI_ATTR_TYPECODE)
end