discourse/db/migrate/20180308071922_drop_raise_read_only_function.rb

class DropRaiseReadOnlyFunction < ActiveRecord::Migration[5.1]
  def up
    DB.exec(
      "DROP FUNCTION IF EXISTS raise_read_only() CASCADE;"
    )
  end

  def down
    raise ActiveRecord::IrreversibleMigration
  end
end
Clean up unused function left in the database. 2018-03-08 15:25:10 +08:00			`class DropRaiseReadOnlyFunction < ActiveRecord::Migration[5.1]`
			`def up`
DEV: remove exec_sql and replace with mini_sql Introduce new patterns for direct sql that are safe and fast. MiniSql is not prone to memory bloat that can happen with direct PG usage. It also has an extremely fast materializer and very a convenient API - DB.exec(sql, params) => runs sql returns row count - DB.query(sql, params) => runs sql returns usable objects (not a hash) - DB.query_hash(sql, params) => runs sql returns an array of hashes - DB.query_single(sql, params) => runs sql and returns a flat one dimensional array - DB.build(sql) => returns a sql builder See more at: https://github.com/discourse/mini_sql 2018-06-19 16:13:14 +10:00			`DB.exec(`
Fix incorrect function name. 2018-03-08 15:52:07 +08:00			`"DROP FUNCTION IF EXISTS raise_read_only() CASCADE;"`
Clean up unused function left in the database. 2018-03-08 15:25:10 +08:00			`)`
			`end`

			`def down`
			`raise ActiveRecord::IrreversibleMigration`
			`end`
			`end`