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_no_null_byte_columns[R]

The columns with automatic no_null_byte validations

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
156 def auto_validate_presence?
157   @auto_validate_presence
158 end
auto_validate_types?() click to toggle source

Whether to automatically validate schema types for all columns

    # File lib/sequel/plugins/auto_validations.rb
161 def auto_validate_types?
162   @auto_validate_types
163 end
freeze() click to toggle source

Freeze auto_validation settings when freezing model class.

Calls superclass method
    # File lib/sequel/plugins/auto_validations.rb
166 def freeze
167   @auto_validate_no_null_byte_columns.freeze
168   @auto_validate_not_null_columns.freeze
169   @auto_validate_explicit_not_null_columns.freeze
170   @auto_validate_max_length_columns.freeze
171   @auto_validate_unique_columns.freeze
172 
173   super
174 end
skip_auto_validations(type) click to toggle source

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

    # File lib/sequel/plugins/auto_validations.rb
179 def skip_auto_validations(type)
180   case type
181   when :all
182     [:not_null, :no_null_byte, :types, :unique, :max_length].each{|v| skip_auto_validations(v)}
183   when :not_null
184     auto_validate_not_null_columns.clear
185     auto_validate_explicit_not_null_columns.clear
186   when :types
187     @auto_validate_types = false
188   else
189     public_send("auto_validate_#{type}_columns").clear
190   end
191 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
196 def setup_auto_validations
197   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}}
198   @auto_validate_not_null_columns = not_null_cols - Array(primary_key)
199   explicit_not_null_cols += Array(primary_key)
200   @auto_validate_explicit_not_null_columns = explicit_not_null_cols.uniq
201   @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]]}
202   @auto_validate_no_null_byte_columns = db_schema.select{|_, sch| sch[:type] == :string}.map{|col, _| col}
203   table = dataset.first_source_table
204   @auto_validate_unique_columns = if db.supports_index_parsing? && [Symbol, SQL::QualifiedIdentifier, SQL::Identifier, String].any?{|c| table.is_a?(c)}
205     db.indexes(table).select{|name, idx| idx[:unique] == true}.map{|name, idx| idx[:columns].length == 1 ? idx[:columns].first : idx[:columns]}
206   else
207     []
208   end
209 end