-
Notifications
You must be signed in to change notification settings - Fork 21
/
Copy pathexplain.sql
123 lines (102 loc) · 3.84 KB
/
explain.sql
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
CREATE TABLE t1 (x INT);
EXPLAIN SELECT * FROM t1;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
CREATE TABLE t1 (x INT);
explain SELECT * FROM t1;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
CREATE TABLE t1 (x INT);
EXPLAIN SELECT * FROM t1 WHERE x > 100;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: WHERE X > 100
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
CREATE TABLE t1 (x INT);
EXPLAIN SELECT * FROM t1 OFFSET 5 ROW;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: OFFSET 5 ROWS
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
CREATE TABLE t1 (x INT);
EXPLAIN SELECT * FROM t1 FETCH FIRST 2 ROW ONLY;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: FETCH FIRST 2 ROWS ONLY
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
CREATE TABLE t1 (x INT);
EXPLAIN SELECT * FROM t1 OFFSET 3 ROWS FETCH FIRST 2 ROWS ONLY;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: OFFSET 3 ROWS FETCH FIRST 2 ROWS ONLY
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
CREATE TABLE t1 (x INT);
EXPLAIN SELECT * FROM t1
WHERE x >= 123 AND x <= 456
OFFSET 3 ROWS FETCH FIRST 2 ROWS ONLY;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: WHERE X >= 123 AND X <= 456
-- EXPLAIN: OFFSET 3 ROWS FETCH FIRST 2 ROWS ONLY
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
/* set foo 2 */
CREATE TABLE t1 (x INT);
EXPLAIN SELECT * FROM t1 WHERE x = :foo;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: WHERE X = 2e0
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
EXPLAIN CREATE TABLE t1 (x INT);
-- error 42601: syntax error: Cannot EXPLAIN CREATE TABLE
EXPLAIN DROP TABLE t1;
-- error 42601: syntax error: Cannot EXPLAIN DROP TABLE
EXPLAIN INSERT INTO t1 (x) VALUES (0);
-- error 42601: syntax error: Cannot EXPLAIN INSERT
CREATE TABLE t1 (x INT);
EXPLAIN DELETE FROM t1;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
CREATE TABLE t1 (x INT);
EXPLAIN DELETE FROM t1 WHERE x = 35;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: WHERE X = 35
CREATE TABLE t1 (x INT);
EXPLAIN UPDATE t1 SET x = 1;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
CREATE TABLE t1 (x INT);
EXPLAIN UPDATE t1 SET x = 1 WHERE x = 35;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: WHERE X = 35
CREATE TABLE t1 (x INT, PRIMARY KEY(x));
EXPLAIN SELECT * FROM t1;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER)
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
CREATE TABLE t1 (x INT, PRIMARY KEY(x));
EXPLAIN SELECT * FROM t1 WHERE x = 10;
-- msg: CREATE TABLE 1
-- EXPLAIN: PRIMARY KEY ":memory:".PUBLIC.T1 (X INTEGER) BETWEEN 10 AND 10
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER)
CREATE TABLE t1 (x INT, b INT, PRIMARY KEY(x));
EXPLAIN SELECT * FROM t1 WHERE b = 10;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER, B INTEGER)
-- EXPLAIN: WHERE B = 10
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER, ":memory:".PUBLIC.T1.B INTEGER)
CREATE TABLE t1 (x INT, b INT, PRIMARY KEY(x));
EXPLAIN SELECT * FROM t1 WHERE x = 10 AND b = 20;
-- msg: CREATE TABLE 1
-- EXPLAIN: TABLE ":memory:".PUBLIC.T1 (X INTEGER, B INTEGER)
-- EXPLAIN: WHERE X = 10 AND B = 20
-- EXPLAIN: EXPR (":memory:".PUBLIC.T1.X INTEGER, ":memory:".PUBLIC.T1.B INTEGER)
EXPLAIN START TRANSACTION;
-- error 42601: syntax error: Cannot EXPLAIN START TRANSACTION
EXPLAIN COMMIT;
-- error 42601: syntax error: Cannot EXPLAIN COMMIT
EXPLAIN ROLLBACK;
-- error 42601: syntax error: Cannot EXPLAIN ROLLBACK