class ActiveRecord::ConnectionAdapters::Table

end
t.remove_timestamps
t.remove_index
t.remove_belongs_to
t.remove_references
t.remove
t.boolean
t.binary
t.date
t.time
t.timestamp
t.datetime
t.decimal
t.float
t.integer
t.text
t.string
t.belongs_to
t.references
t.rename
t.change_default
t.change
t.timestamps
t.index
t.column
change_table :table do |t|
Available transformations are:
Also see TableDefinition and SchemaStatements#create_table
Represents a SQL table in an abstract way for updating a table.

def change(column_name, type, options = {})

t.change(:description, :text)
t.change(:name, :string, :limit => 80)
===== Examples
See TableDefinition#column for details of the options you can use.
Changes the column's definition according to the new options.

def change(column_name, type, options = {})
  @base.change_column(@table_name, column_name, type, options)
end

def change_default(column_name, default)

t.change_default(:authorized, 1)
t.change_default(:qualification, 'new')
===== Examples
Sets a new default value for a column. See SchemaStatements#change_column_default

def change_default(column_name, default)
  @base.change_column_default(@table_name, column_name, default)
end

def column(column_name, type, options = {})

t.column(:name, :string)
====== Creating a simple column
===== Example
See TableDefinition#column for details of the options you can use.
Adds a new column to the named table.

def column(column_name, type, options = {})
  @base.add_column(@table_name, column_name, type, options)
end

def index(column_name, options = {})

t.index([:branch_id, :party_id], :unique => true, :name => 'by_branch_party')
====== Creating a named index
t.index([:branch_id, :party_id], :unique => true)
====== Creating a unique index
t.index(:name)
====== Creating a simple index
===== Examples

an Array of Symbols. See SchemaStatements#add_index
Adds a new index to the table. +column_name+ can be a single Symbol, or

def index(column_name, options = {})
  @base.add_index(@table_name, column_name, options)
end

def initialize(table_name, base)

def initialize(table_name, base)
  @table_name = table_name
  @base = base
end

def native

def native
  @base.native_database_types
end

def references(*args)

t.belongs_to(:goat)
t.references(:goat, :polymorphic => true)
t.references(:goat)
===== Examples
references and belongs_to are acceptable.
Adds a reference. Optionally adds a +type+ column.

def references(*args)
  options = args.extract_options!
  polymorphic = options.delete(:polymorphic)
  args.each do |col|
    @base.add_column(@table_name, "#{col}_id", :integer, options)
    @base.add_column(@table_name, "#{col}_type", :string, polymorphic.is_a?(Hash) ? polymorphic : options) unless polymorphic.nil?
  end
end

def remove(*column_names)

t.remove(:qualification, :experience)
t.remove(:qualification)
===== Examples
Removes the column(s) from the table definition.

def remove(*column_names)
  @base.remove_column(@table_name, column_names)
end

def remove_index(options = {})

t.remove_index :name => :by_branch_party
====== Remove the index named by_branch_party in the accounts table
t.remove_index :column => [:branch_id, :party_id]
====== Remove the index named accounts_branch_id_party_id_index in the accounts table
t.remove_index :column => :branch_id
====== Remove the index named accounts_branch_id_index in the accounts table
t.remove_index :name
====== Remove the suppliers_name_index in the suppliers table
===== Examples

Removes the given index from the table.

def remove_index(options = {})
  @base.remove_index(@table_name, options)
end

def remove_references(*args)

t.remove_belongs_to(:goat)
t.remove_references(:goat, :polymorphic => true)
t.remove_references(:goat)
===== Examples
remove_references and remove_belongs_to are acceptable.
Removes a reference. Optionally removes a +type+ column.

def remove_references(*args)
  options = args.extract_options!
  polymorphic = options.delete(:polymorphic)
  args.each do |col|
    @base.remove_column(@table_name, "#{col}_id")
    @base.remove_column(@table_name, "#{col}_type") unless polymorphic.nil?
  end
end

def remove_timestamps

t.remove_timestamps
===== Example
Removes the timestamp columns (created_at and updated_at) from the table.

def remove_timestamps
  @base.remove_timestamps(@table_name)
end

def rename(column_name, new_column_name)

t.rename(:description, :name)
===== Example
Renames a column.

def rename(column_name, new_column_name)
  @base.rename_column(@table_name, column_name, new_column_name)
end

def timestamps

t.timestamps
===== Example
Adds timestamps (created_at and updated_at) columns to the table. See SchemaStatements#add_timestamps

def timestamps
  @base.add_timestamps(@table_name)
end

Modules

Classes