#!/bin/sh

set -eu

for BACKEND in tidb local; do
  if [ "$BACKEND" = 'local' ]; then
    check_cluster_version 4 0 0 'local backend' || continue
  fi

  run_sql 'DROP DATABASE IF EXISTS csv'

  run_lightning --backend $BACKEND

  run_sql 'SELECT count(*), sum(PROCESSLIST_TIME), sum(THREAD_OS_ID), count(PROCESSLIST_STATE) FROM csv.threads'
  check_contains 'count(*): 43'
  check_contains 'sum(PROCESSLIST_TIME): 322253'
  check_contains 'sum(THREAD_OS_ID): 303775702'
  check_contains 'count(PROCESSLIST_STATE): 3'

  run_sql 'SELECT count(*) FROM csv.threads WHERE PROCESSLIST_TIME IS NOT NULL'
  check_contains 'count(*): 12'

  run_sql 'SELECT hex(t), j, hex(b) FROM csv.escapes WHERE i = 1'
  check_contains 'hex(t): 5C'
  check_contains 'j: {"?": []}'
  check_contains 'hex(b): FFFFFFFF'

  run_sql 'SELECT hex(t), j, hex(b) FROM csv.escapes WHERE i = 2'
  check_contains 'hex(t): 22'
  check_contains 'j: "\n\n\n"'
  check_contains 'hex(b): 0D0A0D0A'

  run_sql 'SELECT hex(t), j, hex(b) FROM csv.escapes WHERE i = 3'
  check_contains 'hex(t): 0A'
  check_contains 'j: [",,,"]'
  check_contains 'hex(b): 5C2C5C2C'

  run_sql 'SELECT id FROM csv.empty_strings WHERE a = """"'
  check_contains 'id: 3'
  run_sql 'SELECT id FROM csv.empty_strings WHERE b <> ""'
  check_not_contains 'id:'

done