M2_SETI/A1/TP/axtls-code/www/lua/test_sql2.lua
2022-11-28 11:40:47 +01:00

24 lines
650 B
Lua

require"postgres"
local env = assert (luasql.postgres ())
local conn = assert (env:connect ("luasql-test", "tomas"))
local cur = assert (conn:execute ("select count(*) from t1"))
local total = tonumber (cur:fetch())
cur:close()
local aleatorio = math.random(total)
local cur = assert (conn:execute ("select * from t1, t2 where b = d and a != "..2*aleatorio))
cgilua.htmlheader()
cgilua.put ("Aleatorio = "..aleatorio.."<br>\n")
local a,b,c,d = cur:fetch()
cgilua.put ("<table>\n")
while a do
-- cgilua.put ("<tr><td>",a,"<td>",b,"<td>",c,"<td>",d,"</tr>")
a,b,c,d = cur:fetch()
end
cgilua.put ("</table>\n")
cur:close()
conn:close()
env:close()