os.execute('rm 000*')

local fiber = require('fiber')
local log = require('log')

box.cfg{memtx_use_mvcc_engine = true}

box.schema.func.create('test', {
    is_deterministic = true,
    body = [[function(tuple)
        return {tuple[1]}
    end]]
})
local s = box.schema.space.create('test', {format = {{'key', 'unsigned'},}})
s:create_index('primary')
s:create_index('value', {
    func = 'test',
    parts = {{1, 'unsigned'}},
})

for i = 1, 100 do
    s:replace{i}
end

local reader = fiber.create(function()
    box.begin()
    s:select{}
    fiber.sleep(2)
    box.commit()
end)
reader:set_joinable(true)

box.begin()
for i = 1, 100 do
    s:delete(i)
end
box.commit()

reader:join()
box.begin()
s:insert{101}
log.info('Gonna do a select')
s:select{}
log.info('Select is done')