name.out

关系型数据库 Postgresql 6.5.2

QUERY: SELECT 'name string'::name = 'name string'::name AS "True";
True
----
t   
(1 row)

QUERY: SELECT 'name string'::name = 'name string '::name AS "False";
False
-----
f    
(1 row)

QUERY: CREATE TABLE NAME_TBL(f1 name);
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('ABCDEFGHIJKLMNOP');
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('abcdefghijklmnop');
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('asdfghjkl;');
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('343f%2a');
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('d34aaasdf');
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('');
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ');
QUERY: SELECT '' AS seven, NAME_TBL.*;
seven|f1                             
-----+-------------------------------
     |ABCDEFGHIJKLMNOP               
     |abcdefghijklmnop               
     |asdfghjkl;                     
     |343f%2a                        
     |d34aaasdf                      
     |                               
     |1234567890ABCDEFGHIJKLMNOPQRSTU
(7 rows)

QUERY: SELECT '' AS six, c.f1 FROM NAME_TBL c WHERE c.f1 <> 'ABCDEFGHIJKLMNOP';
six|f1                             
---+-------------------------------
   |abcdefghijklmnop               
   |asdfghjkl;                     
   |343f%2a                        
   |d34aaasdf                      
   |                               
   |1234567890ABCDEFGHIJKLMNOPQRSTU
(6 rows)

QUERY: SELECT '' AS one, c.f1 FROM NAME_TBL c WHERE c.f1 = 'ABCDEFGHIJKLMNOP';
one|f1              
---+----------------
   |ABCDEFGHIJKLMNOP
(1 row)

QUERY: SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 < 'ABCDEFGHIJKLMNOP';
three|f1                             
-----+-------------------------------
     |343f%2a                        
     |                               
     |1234567890ABCDEFGHIJKLMNOPQRSTU
(3 rows)

QUERY: SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 <= 'ABCDEFGHIJKLMNOP';
four|f1                             
----+-------------------------------
    |ABCDEFGHIJKLMNOP               
    |343f%2a                        
    |                               
    |1234567890ABCDEFGHIJKLMNOPQRSTU
(4 rows)

QUERY: SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 > 'ABCDEFGHIJKLMNOP';
three|f1              
-----+----------------
     |abcdefghijklmnop
     |asdfghjkl;      
     |d34aaasdf       
(3 rows)

QUERY: SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 >= 'ABCDEFGHIJKLMNOP';
four|f1              
----+----------------
    |ABCDEFGHIJKLMNOP
    |abcdefghijklmnop
    |asdfghjkl;      
    |d34aaasdf       
(4 rows)

QUERY: SELECT '' AS seven, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*';
seven|f1                             
-----+-------------------------------
     |ABCDEFGHIJKLMNOP               
     |abcdefghijklmnop               
     |asdfghjkl;                     
     |343f%2a                        
     |d34aaasdf                      
     |                               
     |1234567890ABCDEFGHIJKLMNOPQRSTU
(7 rows)

QUERY: SELECT '' AS zero, c.f1 FROM NAME_TBL c WHERE c.f1 !~ '.*';
zero|f1
----+--
(0 rows)

QUERY: SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '[0-9]';
three|f1                             
-----+-------------------------------
     |343f%2a                        
     |d34aaasdf                      
     |1234567890ABCDEFGHIJKLMNOPQRSTU
(3 rows)

QUERY: SELECT '' AS two, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*asdf.*';
two|f1        
---+----------
   |asdfghjkl;
   |d34aaasdf 
(2 rows)

QUERY: DROP TABLE NAME_TBL;