Class: SQLite3::Value

Inherits:
Object
  • Object
show all
Defined in:
lib/sqlite3/value.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(db, handle) ⇒ Value

Returns a new instance of Value



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# File 'lib/sqlite3/value.rb', line 8

def initialize( db, handle )
  @driver = db.driver
  @handle = handle
end

Instance Attribute Details

#handleObject (readonly)

Returns the value of attribute handle



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# File 'lib/sqlite3/value.rb', line 6

def handle
  @handle
end

Instance Method Details

#length(utf16 = false) ⇒ Object



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# File 'lib/sqlite3/value.rb', line 21

def length( utf16=false )
  if utf16
    @driver.value_bytes16( @handle )
  else
    @driver.value_bytes( @handle )
  end
end

#null?Boolean

Returns:

  • (Boolean)


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# File 'lib/sqlite3/value.rb', line 13

def null?
  type == :null
end

#to_blobObject



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# File 'lib/sqlite3/value.rb', line 17

def to_blob
  @driver.value_blob( @handle )
end

#to_fObject



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# File 'lib/sqlite3/value.rb', line 29

def to_f
  @driver.value_double( @handle )
end

#to_iObject



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# File 'lib/sqlite3/value.rb', line 33

def to_i
  @driver.value_int( @handle )
end

#to_int64Object



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# File 'lib/sqlite3/value.rb', line 37

def to_int64
  @driver.value_int64( @handle )
end

#to_s(utf16 = false) ⇒ Object



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# File 'lib/sqlite3/value.rb', line 41

def to_s( utf16=false )
  @driver.value_text( @handle, utf16 )
end

#typeObject



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# File 'lib/sqlite3/value.rb', line 45

def type
  case @driver.value_type( @handle )
    when Constants::ColumnType::INTEGER then :int
    when Constants::ColumnType::FLOAT   then :float
    when Constants::ColumnType::TEXT    then :text
    when Constants::ColumnType::BLOB    then :blob
    when Constants::ColumnType::NULL    then :null
  end
end