Example for lua table

a = {}
for i=1, 10 do
local sql = string.format("%d %s", i, os.date("%Y-%m-%d %H:%M:%S")) -- to_date('%s','yyyy-mm-dd hh24:mi:ss')  2015-01-04 10:09:38	a[i] = sql
a.size = i  -- the record of the table size
end

if type(a) == 'table' then
for i=1, #a do
print(a.i)  -- nil
print(a[i]) -- i 2015-01-04 10:09:38
end
end