btree_index.out

来自「PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统」· OUT 代码 · 共 101 行

--
-- BTREE_INDEX
-- test retrieval of min/max keys for each index
--
SELECT b.*
   FROM bt_i4_heap b
   WHERE b.seqno < 1;
 seqno |   random   
-------+------------
     0 | 1935401906
(1 row)

SELECT b.*
   FROM bt_i4_heap b
   WHERE b.seqno >= 9999;
 seqno |   random   
-------+------------
  9999 | 1227676208
(1 row)

SELECT b.*
   FROM bt_i4_heap b
   WHERE b.seqno = 4500;
 seqno |   random   
-------+------------
  4500 | 2080851358
(1 row)

SELECT b.*
   FROM bt_name_heap b
   WHERE b.seqno < '1'::name;
 seqno |   random   
-------+------------
 0     | 1935401906
(1 row)

SELECT b.*
   FROM bt_name_heap b
   WHERE b.seqno >= '9999'::name;
 seqno |   random   
-------+------------
 9999  | 1227676208
(1 row)

SELECT b.*
   FROM bt_name_heap b
   WHERE b.seqno = '4500'::name;
 seqno |   random   
-------+------------
 4500  | 2080851358
(1 row)

SELECT b.*
   FROM bt_txt_heap b
   WHERE b.seqno < '1'::text;
 seqno |   random   
-------+------------
 0     | 1935401906
(1 row)

SELECT b.*
   FROM bt_txt_heap b
   WHERE b.seqno >= '9999'::text;
 seqno |   random   
-------+------------
 9999  | 1227676208
(1 row)

SELECT b.*
   FROM bt_txt_heap b
   WHERE b.seqno = '4500'::text;
 seqno |   random   
-------+------------
 4500  | 2080851358
(1 row)

SELECT b.*
   FROM bt_f8_heap b
   WHERE b.seqno < '1'::float8;
 seqno |   random   
-------+------------
     0 | 1935401906
(1 row)

SELECT b.*
   FROM bt_f8_heap b
   WHERE b.seqno >= '9999'::float8;
 seqno |   random   
-------+------------
  9999 | 1227676208
(1 row)

SELECT b.*
   FROM bt_f8_heap b
   WHERE b.seqno = '4500'::float8;
 seqno |   random   
-------+------------
  4500 | 2080851358
(1 row)