Class: PGTrunk::Operations::Statistics::DropStatistics

Inherits:
Base show all
Defined in:
lib/pg_trunk/operations/statistics/drop_statistics.rb

Instance Method Summary collapse

Methods inherited from Base

#column, #expression

Methods included from PGTrunk::Operation::SQLHelpers

#quote

Methods included from PGTrunk::Operation::RubyHelpers

#dump, #to_a, #to_opts, #to_ruby

Methods included from PGTrunk::Operation::Inversion

#invert!, #irreversible!

Methods included from PGTrunk::Operation::Validations

#error_messages

Methods included from PGTrunk::Operation::Attributes

#attributes, #initialize

Instance Method Details

#invert ⇒ Object 



80
81
82
83
84
 
# File 'lib/pg_trunk/operations/statistics/drop_statistics.rb', line 80

def invert
  irreversible!("if_exists: true") if if_exists
  irreversible!("force: :cascade") if force == :cascade
  CreateStatistics.new(**to_h.except(:force))
end

#to_sql(_version) ⇒ Object 



72
73
74
75
76
77
78
 
# File 'lib/pg_trunk/operations/statistics/drop_statistics.rb', line 72

def to_sql(_version)
  sql = "DROP STATISTICS"
  sql << " IF EXISTS" if if_exists
  sql << " #{name.to_sql}"
  sql << " CASCADE" if force == :cascade
  sql << ";"
end