Class: OCI8::BindType::Number

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

Overview

get/set Number (for OCI8::SQLT_NUM)

Class Method Summary collapse

Class Method Details

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



58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
# File 'lib/oci8/bindtype.rb', line 58

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::BigDecimal
    end
  end
  klass.new(con, val, nil, max_array_size)
end