Class: OCI8::BindType::Number

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

Overview

get/set Number (for OCI8::SQLT_NUM)

Class Method Summary collapse

Class Method Details

.create(con, val, param, max_array_size) ⇒ Object 



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# File 'lib/oci8/oci8.rb', line 184

def self.create(con, val, param, max_array_size)
  if param.is_a? OCI8::Metadata::Base
    precision = param.precision
    scale = param.scale
  end
  if scale == -127
    if precision == 0
      # NUMBER declared without its scale and precision. (Oracle 9.2.0.3 or above)
      klass = OCI8::BindType::Mapping[:number_no_prec_setting]
    else
      # FLOAT or FLOAT(p)
      klass = OCI8::BindType::Float
    end
  elsif scale == 0
    if precision == 0
      # NUMBER whose scale and precision is unknown
      # or
      # NUMBER declared without its scale and precision. (Oracle 9.2.0.2 or below)
      klass = OCI8::BindType::Mapping[:number_unknown_prec]
    else
      # NUMBER(p, 0)
      klass = OCI8::BindType::Integer
    end
  else
    # NUMBER(p, s)
    if precision < 15 # the precision of double.
      klass = OCI8::BindType::Float
    else
      # use BigDecimal instead?
      klass = OCI8::BindType::OraNumber
    end
  end
  klass.new(con, val, nil, max_array_size)
end