alter_table.out

关系型数据库 Postgresql 6.5.2

QUERY: CREATE TABLE tmp (initial int4);
QUERY: ALTER TABLE tmp ADD COLUMN a int4;
QUERY: ALTER TABLE tmp ADD COLUMN b name;
QUERY: ALTER TABLE tmp ADD COLUMN c text;
QUERY: ALTER TABLE tmp ADD COLUMN d float8;
QUERY: ALTER TABLE tmp ADD COLUMN e float4;
QUERY: ALTER TABLE tmp ADD COLUMN f int2;
QUERY: ALTER TABLE tmp ADD COLUMN g polygon;
QUERY: ALTER TABLE tmp ADD COLUMN h abstime;
QUERY: ALTER TABLE tmp ADD COLUMN i char;
QUERY: ALTER TABLE tmp ADD COLUMN j abstime[];
QUERY: ALTER TABLE tmp ADD COLUMN k dt;
ERROR:  Unable to locate type name 'dt' in catalog
QUERY: ALTER TABLE tmp ADD COLUMN l tid;
QUERY: ALTER TABLE tmp ADD COLUMN m xid;
QUERY: ALTER TABLE tmp ADD COLUMN n oid8;
QUERY: ALTER TABLE tmp ADD COLUMN p smgr;
QUERY: ALTER TABLE tmp ADD COLUMN q point;
QUERY: ALTER TABLE tmp ADD COLUMN r lseg;
QUERY: ALTER TABLE tmp ADD COLUMN s path;
QUERY: ALTER TABLE tmp ADD COLUMN t box;
QUERY: ALTER TABLE tmp ADD COLUMN u tinterval;
QUERY: ALTER TABLE tmp ADD COLUMN v datetime;
QUERY: ALTER TABLE tmp ADD COLUMN w timespan;
QUERY: ALTER TABLE tmp ADD COLUMN x float8[];
QUERY: ALTER TABLE tmp ADD COLUMN y float4[];
QUERY: ALTER TABLE tmp ADD COLUMN z int2[];
QUERY: INSERT INTO tmp (a, b, c, d, e, f, g, h, i, j, k, l, m, n, p, q, r, s, t, u,
	v, w, x, y, z)
   VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)',
        'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}',
	314159, '(1,1)', 512,
	'1 2 3 4 5 6 7 8', 'magnetic disk', '(1.1,1.1)', '(4.1,4.1,3.1,3.1)',
	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["current" "infinity"]',
	'1/3', '1,name', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
ERROR:  Relation 'tmp' does not have attribute 'k'
QUERY: SELECT * FROM tmp;
initial|a|b|c|d|e|f|g|h|i|j|l|m|n|p|q|r|s|t|u|v|w|x|y|z
-------+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
(0 rows)

QUERY: DROP TABLE tmp;
QUERY: CREATE TABLE tmp (
	initial 	int4
);
QUERY: ALTER TABLE tmp ADD COLUMN a int4;
QUERY: ALTER TABLE tmp ADD COLUMN b name;
QUERY: ALTER TABLE tmp ADD COLUMN c text;
QUERY: ALTER TABLE tmp ADD COLUMN d float8;
QUERY: ALTER TABLE tmp ADD COLUMN e float4;
QUERY: ALTER TABLE tmp ADD COLUMN f int2;
QUERY: ALTER TABLE tmp ADD COLUMN g polygon;
QUERY: ALTER TABLE tmp ADD COLUMN h abstime;
QUERY: ALTER TABLE tmp ADD COLUMN i char;
QUERY: ALTER TABLE tmp ADD COLUMN j abstime[];
QUERY: ALTER TABLE tmp ADD COLUMN k dt;
ERROR:  Unable to locate type name 'dt' in catalog
QUERY: ALTER TABLE tmp ADD COLUMN l tid;
QUERY: ALTER TABLE tmp ADD COLUMN m xid;
QUERY: ALTER TABLE tmp ADD COLUMN n oid8;
QUERY: ALTER TABLE tmp ADD COLUMN p smgr;
QUERY: ALTER TABLE tmp ADD COLUMN q point;
QUERY: ALTER TABLE tmp ADD COLUMN r lseg;
QUERY: ALTER TABLE tmp ADD COLUMN s path;
QUERY: ALTER TABLE tmp ADD COLUMN t box;
QUERY: ALTER TABLE tmp ADD COLUMN u tinterval;
QUERY: ALTER TABLE tmp ADD COLUMN v datetime;
QUERY: ALTER TABLE tmp ADD COLUMN w timespan;
QUERY: ALTER TABLE tmp ADD COLUMN x float8[];
QUERY: ALTER TABLE tmp ADD COLUMN y float4[];
QUERY: ALTER TABLE tmp ADD COLUMN z int2[];
QUERY: INSERT INTO tmp (a, b, c, d, e, f, g, h, i, j, k, l, m, n, p, q, r, s, t, u,
	v, w, x, y, z)
   VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)',
	'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}',
	 314159, '(1,1)', 512,
	'1 2 3 4 5 6 7 8', 'magnetic disk', '(1.1,1.1)', '(4.1,4.1,3.1,3.1)',
	'(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["current" "infinity"]',
	'1/3', '1,name', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
ERROR:  Relation 'tmp' does not have attribute 'k'
QUERY: SELECT * FROM tmp;
initial|a|b|c|d|e|f|g|h|i|j|l|m|n|p|q|r|s|t|u|v|w|x|y|z
-------+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
(0 rows)

QUERY: DROP TABLE tmp;
QUERY: ALTER TABLE tenk1 RENAME TO ten_k;
QUERY: SELECT unique1 FROM ten_k WHERE unique1 < 20;
unique1
-------
      0
      1
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     10
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     19
(20 rows)

QUERY: SELECT unique2 FROM ten_k WHERE unique2 < 20;
unique2
-------
      0
      1
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      3
      4
      5
      6
      7
      8
      9
     10
     11
     12
     13
     14
     15
     16
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     18
     19
(20 rows)

QUERY: SELECT hundred FROM ten_k WHERE hundred = 50;
hundred
-------
     50
     50
     50
     50
     50
     50
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     50
     50
     50
(100 rows)

QUERY: ALTER TABLE ten_k RENAME TO tenk1;
QUERY: SELECT unique1 FROM tenk1 WHERE unique1 < 5;
unique1
-------
      0
      1
      2
      3
      4
(5 rows)