Oleg Muntyan munya
munya
/ gist:e39cf47ae43dc2494997f5aa39a86739
Created
March 26, 2021 09:33
Alter table with lock table
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| BEGIN; | |
| SET statement_timeout = 50; | |
| LOCK TABLE ONLY test IN ACCESS EXCLUSIVE MODE; | |
| SET statement_timeout = 0; | |
| ALTER TABLE test ....; | |
| -- do whatever you want, timeout is removed. | |
| commit; |
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| class PropertiesController < ApplicationController | |
| include ActionController::Live | |
| before_action :find_county | |
| def index | |
| response.headers["Content-Type"] ||= 'text/csv' | |
| response.headers["Content-Disposition"] = "attachment; filename=#{@county.csv_file_name}" | |
| response.stream.write Property::CSV_HEADERS.to_csv |