Class: TableQuery::TableSchema

Inherits:

Object

• Object
• TableQuery::TableSchema

Defined in:

lib/table-query/table-schema.rb

Overview

TableSchema defines table fields.

Instance Attribute Summary

• #fields ⇒ Array<Field> readonly

  table field list.

Class Method Summary

• .define(&b) ⇒ TableSchema

  Define a new table schema.

Instance Method Summary

• #field(name, type) ⇒ void

  Add a table field.

• #initialize ⇒ TableSchema constructor

  Create a new table schema.

Constructor Details

#initialize ⇒ TableSchema

Create a new table schema.

# File 'lib/table-query/table-schema.rb', line 19

def initialize
  @fields = []
end

Instance Attribute Details

#fields ⇒ Array<Field> (readonly)

table field list

Returns:

• (Array<Field>)

# File 'lib/table-query/table-schema.rb', line 16

def fields
  @fields
end

Class Method Details

.define(&b) ⇒ TableSchema

Define a new table schema.

Parameters:

• b (Proc) —

  schema definition

Returns:

• (TableSchema) —

  table schema

# File 'lib/table-query/table-schema.rb', line 10

def self.define(&b)
  new.tap {|x| x.instance_eval(&b)}
end

Instance Method Details

#field(name, type) ⇒ void

This method returns an undefined value.

Add a table field.

Parameters:

• name (Symbol) —

  field name

• type (Symbol) —

  field type name

# File 'lib/table-query/table-schema.rb', line 30

def field(name, type)
  @fields << Field.new(name, type, @fields.size, nil, {})
end