Class: ActiveRecord::ConnectionAdapters::IndexDefinition
- Inherits:
 - 
      Object
      
        
- Object
 - ActiveRecord::ConnectionAdapters::IndexDefinition
 
 
- Defined in:
 - lib/active_record/connection_adapters/abstract/schema_definitions.rb
 
Overview
Abstract representation of an index definition on a table. Instances of this type are typically created and returned by methods in database adapters. e.g. ActiveRecord::ConnectionAdapters::MySQL::SchemaStatements#indexes
Instance Attribute Summary collapse
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      #columns  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
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      #comment  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
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      #lengths  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
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      #name  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
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      #opclasses  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
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      #orders  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
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      #table  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
:nodoc:.
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      #type  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
:nodoc:.
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      #unique  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
:nodoc:.
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      #using  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
:nodoc:.
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      #where  ⇒ Object 
    
    
  
  
  
  
    
      readonly
    
    
  
  
  
  
  
  
    
:nodoc:.
 
Instance Method Summary collapse
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      #initialize(table, name, unique = false, columns = [], lengths: {}, orders: {}, opclasses: {}, where: nil, type: nil, using: nil, comment: nil)  ⇒ IndexDefinition 
    
    
  
  
  
    constructor
  
  
  
  
  
  
  
    
A new instance of IndexDefinition.
 
Constructor Details
#initialize(table, name, unique = false, columns = [], lengths: {}, orders: {}, opclasses: {}, where: nil, type: nil, using: nil, comment: nil) ⇒ IndexDefinition
Returns a new instance of IndexDefinition.
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 11 def initialize( table, name, unique = false, columns = [], lengths: {}, orders: {}, opclasses: {}, where: nil, type: nil, using: nil, comment: nil ) @table = table @name = name @unique = unique @columns = columns @lengths = (lengths) @orders = (orders) @opclasses = (opclasses) @where = where @type = type @using = using @comment = comment end  | 
  
Instance Attribute Details
#columns ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def columns @columns end  | 
  
#comment ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def comment @comment end  | 
  
#lengths ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def lengths @lengths end  | 
  
#name ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def name @name end  | 
  
#opclasses ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def opclasses @opclasses end  | 
  
#orders ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def orders @orders end  | 
  
#table ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def table @table end  | 
  
#type ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def type @type end  | 
  
#unique ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def unique @unique end  | 
  
#using ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def using @using end  | 
  
#where ⇒ Object (readonly)
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      # File 'lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 9 def where @where end  |