module Sequel::Plugins::AutoValidations::ClassMethods

Attributes

auto_validate_explicit_not_null_columns[R]

The columns with automatic not_null validations for columns present in the values.

auto_validate_max_length_columns[R]

The columns or sets of columns with automatic max_length validations, as an array of pairs, with the first entry being the column name and second entry being the maximum length.

auto_validate_not_null_columns[R]

The columns with automatic not_null validations

auto_validate_options[R]

Inherited options

auto_validate_unique_columns[R]

The columns or sets of columns with automatic unique validations

Public Instance Methods

auto_validate_presence?() click to toggle source

Whether to use a presence validation for not null columns

# File lib/sequel/plugins/auto_validations.rb, line 121
def auto_validate_presence?
  @auto_validate_presence
end
auto_validate_types?() click to toggle source

Whether to automatically validate schema types for all columns

# File lib/sequel/plugins/auto_validations.rb, line 126
def auto_validate_types?
  @auto_validate_types
end
freeze() click to toggle source

Freeze auto_validation settings when freezing model class.

Calls superclass method
# File lib/sequel/plugins/auto_validations.rb, line 131
def freeze
  @auto_validate_not_null_columns.freeze
  @auto_validate_explicit_not_null_columns.freeze
  @auto_validate_max_length_columns.freeze
  @auto_validate_unique_columns.freeze

  super
end
skip_auto_validations(type) click to toggle source

Skip automatic validations for the given validation type (:not_null, :types, :unique). If :all is given as the type, skip all auto validations.

# File lib/sequel/plugins/auto_validations.rb, line 142
def skip_auto_validations(type)
  if type == :all
    [:not_null, :types, :unique, :max_length].each{|v| skip_auto_validations(v)}
  elsif type == :types
    @auto_validate_types = false
  else
    send("auto_validate_#{type}_columns").clear
  end
end

Private Instance Methods

setup_auto_validations() click to toggle source

Parse the database schema and indexes and record the columns to automatically validate.

# File lib/sequel/plugins/auto_validations.rb, line 155
def setup_auto_validations
  not_null_cols, explicit_not_null_cols = db_schema.select{|col, sch| sch[:allow_null] == false}.partition{|col, sch| sch[:default].nil?}.map{|cs| cs.map{|col, sch| col}}
  @auto_validate_not_null_columns = not_null_cols - Array(primary_key)
  explicit_not_null_cols += Array(primary_key)
  @auto_validate_explicit_not_null_columns = explicit_not_null_cols.uniq
  @auto_validate_max_length_columns = db_schema.select{|col, sch| sch[:type] == :string && sch[:max_length].is_a?(Integer)}.map{|col, sch| [col, sch[:max_length]]}
  table = dataset.first_source_table
  @auto_validate_unique_columns = if db.supports_index_parsing? && [Symbol, SQL::QualifiedIdentifier, SQL::Identifier, String].any?{|c| table.is_a?(c)}
    db.indexes(table).select{|name, idx| idx[:unique] == true}.map{|name, idx| idx[:columns].length == 1 ? idx[:columns].first : idx[:columns]}
  else
    []
  end
end