Class: Fresco::MigrationBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/fresco/migration_builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ MigrationBuilder

Returns a new instance of MigrationBuilder.



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# File 'lib/fresco/migration_builder.rb', line 33

def initialize
  @up_sql   = []
  @down_sql = []
  @current  = nil
end

Instance Attribute Details

#down_sql ⇒ Object (readonly)

Returns the value of attribute down_sql.



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# File 'lib/fresco/migration_builder.rb', line 31

def down_sql
  @down_sql
end

#up_sql ⇒ Object (readonly)

Returns the value of attribute up_sql.



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# File 'lib/fresco/migration_builder.rb', line 31

def up_sql
  @up_sql
end

Instance Method Details

#down(&blk) ⇒ Object 



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# File 'lib/fresco/migration_builder.rb', line 45

def down(&blk)
  @current = @down_sql
  instance_eval(&blk) if blk
  @current = nil
end

#sql(stmt) ⇒ Object 



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# File 'lib/fresco/migration_builder.rb', line 51

def sql(stmt)
  abort "[build] `sql` called outside `up` / `down` block" if @current.nil?
  @current << stmt
end

#up(&blk) ⇒ Object 



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# File 'lib/fresco/migration_builder.rb', line 39

def up(&blk)
  @current = @up_sql
  instance_eval(&blk) if blk
  @current = nil
end