sqlite/test/sort2.test

# 2014 March 25.
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library. 
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix sort2

db close
sqlite3_shutdown
sqlite3_config_worker_threads 7
reset_db

do_execsql_test 1 {
  PRAGMA cache_size = 5;
  WITH r(x,y) AS (
    SELECT 1, randomblob(100)
    UNION ALL
    SELECT x+1, randomblob(100) FROM r
    LIMIT 100000
  )
  SELECT count(x), length(y) FROM r GROUP BY (x%5)
} {
  20000 100 20000 100 20000 100 20000 100 20000 100
}

do_execsql_test 2.1 {
  CREATE TABLE t1(a, b);
  WITH r(x,y) AS (
    SELECT 1, randomblob(100)
    UNION ALL
    SELECT x+1, randomblob(100) FROM r
    LIMIT 10000
  ) INSERT INTO t1 SELECT * FROM r;
}

do_execsql_test 2.2 {
  CREATE UNIQUE INDEX i1 ON t1(b, a);
}

db close
sqlite3_shutdown
sqlite3_config_worker_threads 0
sqlite3_initialize
finish_test