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Methods
E
Instance Public methods
exec_delete(sql, name = nil, binds = [])
Also aliased as: exec_update
# File activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb, line 62
def exec_delete(sql, name = nil, binds = [])
  if without_prepared_statement?(binds)
    @lock.synchronize do
      execute_and_free(sql, name) { @connection.affected_rows }
    end
  else
    exec_stmt_and_free(sql, name, binds) { |stmt| stmt.affected_rows }
  end
end
exec_query(sql, name = "SQL", binds = [], prepare: false)
# File activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb, line 42
def exec_query(sql, name = "SQL", binds = [], prepare: false)
  if without_prepared_statement?(binds)
    execute_and_free(sql, name) do |result|
      if result
        ActiveRecord::Result.new(result.fields, result.to_a)
      else
        ActiveRecord::Result.new([], [])
      end
    end
  else
    exec_stmt_and_free(sql, name, binds, cache_stmt: prepare) do |_, result|
      if result
        ActiveRecord::Result.new(result.fields, result.to_a)
      else
        ActiveRecord::Result.new([], [])
      end
    end
  end
end
exec_update(sql, name = nil, binds = [])
Alias for: exec_delete
execute(sql, name = nil)

Executes the SQL statement in the context of this connection.

# File activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb, line 30
def execute(sql, name = nil)
  if preventing_writes? && write_query?(sql)
    raise ActiveRecord::ReadOnlyError, "Write query attempted while in readonly mode: #{sql}"
  end

  # make sure we carry over any changes to ActiveRecord::Base.default_timezone that have been
  # made since we established the connection
  @connection.query_options[:database_timezone] = ActiveRecord::Base.default_timezone

  super
end