76 KiB
76 KiB
Summary
**No review yet**Minimized query
ATTACH DATABASE ':memory:' AS aux30;
BEGIN;
.eqp full
PRAGMA ignore_check_constraints = OFF;
PRAGMA encoding = 'UTF-8';
PRAGMA /* NTILE({c}) */ reverse_unordered_selects = OFF;
.read commands.sql
CREATE TABLE [t1](x);
INSERT INTO t1 VALUES(-(-(-(3120741382014373095)) + 0));
SELECT sum((SELECT 1 FROM (SELECT 2 WHERE x IS NULL) WHERE 0)) FROM t1;
SELECT COUNT(*) FROM t1;
CREATE TEMP VIEW IF NOT EXISTS v_t1_1780 AS SELECT x FROM t1;
CREATE UNIQUE INDEX IF NOT EXISTS idx_t1_9644 ON t1((x + 1));
SELECT COUNT(*) FROM t1;
UPDATE t1 SET x = NULL WHERE rowid = 1;
SELECT * FROM (SELECT * FROM t1) AS t1 CROSS JOIN (SELECT * FROM t1) AS t2 ON t1.x = t2.x;
CREATE UNIQUE INDEX IF NOT EXISTS idx_t1_3677 ON t1(lower(x));
DELETE FROM t1 WHERE x IS NULL RETURNING *;
INSERT INTO t1 VALUES (NULL);
COMMIT TRANSACTION;
SELECT * FROM t1 WHERE x = (SELECT x FROM t1 t2 WHERE t2.x = t1.x LIMIT 1);
ANALYZE t1;
SELECT * FROM t1;
SELECT * FROM t1;
DETACH DATABASE aux30;
Actual output
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 1 0 0 Start at 1
1 Expire 1 1 0 0
2 Expire 0 0 0 0
3 Halt 0 0 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 1 0 0 Start at 1
1 Expire 1 1 0 0
2 Halt 0 0 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 1 0 0 Start at 1
1 Expire 1 1 0 0
2 Expire 0 0 0 0
3 Halt 0 0 0 0
QUERY PLAN
`--SCAN CONSTANT ROW
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 1 0 0 Start at 1
1 Integer 1 1 0 0 r[1]=1
2 ResultRow 1 1 0 0 output=r[1]
3 Halt 0 0 0 0
1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 28 0 0 Start at 28
1 ReadCookie 0 3 2 0
2 If 3 5 0 0
3 SetCookie 0 2 4 0
4 SetCookie 0 5 1 0
5 CreateBtree 0 2 1 0 r[2]=root iDb=0 flags=1
6 OpenWrite 0 1 0 5 0 root=1 iDb=0
7 NewRowid 0 1 0 0 r[1]=rowid
8 Blob 6 3 0 0 r[3]= (len=6)
9 Insert 0 3 1 8 intkey=r[1] data=r[3]
10 Close 0 0 0 0
11 Close 0 0 0 0
12 Null 0 4 5 0 r[4..5]=NULL
13 Noop 2 0 4 0
14 OpenWrite 1 1 0 5 0 root=1 iDb=0; sqlite_master
15 SeekRowid 1 17 1 0 intkey=r[1]
16 Rowid 1 5 0 0 r[5]=[P2]=PX rowid of P1
17 IsNull 5 25 0 0 if r[5]==NULL goto 25
18 String8 0 6 0 table 0 r[6]='table'
19 String8 0 7 0 t1 0 r[7]='t1'
20 String8 0 8 0 t1 0 r[8]='t1'
21 SCopy 2 9 0 0 r[9]=r[2]
22 String8 0 10 0 CREATE TABLE [t1](x) 0 r[10]='CREATE TABLE [t1](x)'
23 MakeRecord 6 5 4 BBBDB 0 r[4]=mkrec(r[6..10])
24 Insert 1 4 5 0 intkey=r[5] data=r[4]
25 SetCookie 0 1 1 0
26 ParseSchema 0 0 0 tbl_name='t1' AND type!='trigger' 0
27 Halt 0 0 0 0
28 Transaction 0 1 0 0 1 usesStmtJournal=1
29 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 7 0 0 Start at 7
1 OpenWrite 0 2 0 1 0 root=2 iDb=0; t1
2 Subtract 5 4 2 0 r[2]=r[4]-r[5]
3 NewRowid 0 1 0 0 r[1]=rowid
4 MakeRecord 2 1 3 0 r[3]=mkrec(r[2])
5 Insert 0 3 1 t1 57 intkey=r[1] data=r[3]
6 Halt 0 0 0 0
7 Transaction 0 1 1 0 1 usesStmtJournal=0
8 Integer 0 4 0 0 r[4]=0
9 Integer 0 7 0 0 r[7]=0
10 Int64 0 8 0 -3120741382014373095 0 r[8]=-3120741382014373095
11 Subtract 8 7 6 0 r[6]=r[7]-r[8]
12 Integer 0 8 0 0 r[8]=0
13 Add 8 6 5 0 r[5]=r[8]+r[6]
14 Goto 0 1 0 0
QUERY PLAN
|--SCAN t1
`--CORRELATED SCALAR SUBQUERY 2
|--CO-ROUTINE (subquery-1)
| `--SCAN CONSTANT ROW
`--SCAN (subquery-1)
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 26 0 0 Start at 26
1 Null 0 1 2 0 r[1..2]=NULL
2 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
3 Rewind 0 22 0 0
4 BeginSubrtn 0 4 0 0 r[4]=NULL
5 Null 0 5 5 0 r[5..5]=NULL; Init subquery result
6 InitCoroutine 6 11 7 0 (subquery-1)
7 Goto 0 10 0 0
8 Integer 2 7 0 0 r[7]=2
9 Yield 6 0 0 0
10 EndCoroutine 6 0 0 0
11 Integer 1 8 0 0 r[8]=1; LIMIT counter
12 Goto 0 18 0 0
13 InitCoroutine 6 0 7 0
14 Yield 6 18 0 0 next row of (subquery-1)
15 Integer 1 5 0 0 r[5]=1
16 DecrJumpZero 8 18 0 0 if (--r[8])==0 goto 18
17 Goto 0 14 0 0
18 Return 4 5 1 0
19 Copy 5 3 0 0 r[3]=r[5]
20 AggStep 0 3 1 sum(1) 1 accum=r[1] step(r[3])
21 Next 0 4 0 1
22 AggFinal 1 1 0 sum(1) 0 accum=r[1] N=1
23 Copy 1 9 0 0 r[9]=r[1]
24 ResultRow 9 1 0 0 output=r[9]
25 Halt 0 0 0 0
26 Transaction 0 0 1 0 1 usesStmtJournal=0
27 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 7 0 0 Start at 7
1 OpenRead 1 2 0 1 0 root=2 iDb=0
2 Count 1 1 0 0 r[1]=count()
3 Close 1 0 0 0
4 Copy 1 2 0 0 r[2]=r[1]
5 ResultRow 2 1 0 0 output=r[2]
6 Halt 0 0 0 0
7 Transaction 0 0 1 0 1 usesStmtJournal=0
8 Goto 0 1 0 0
1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 28 0 0 Start at 28
1 ReadCookie 1 3 2 0
2 If 3 5 0 0
3 SetCookie 1 2 4 0
4 SetCookie 1 5 1 0
5 Integer 0 2 0 0 r[2]=0
6 OpenWrite 0 1 1 5 0 root=1 iDb=1
7 NewRowid 0 1 0 0 r[1]=rowid
8 Blob 6 3 0 0 r[3]= (len=6)
9 Insert 0 3 1 8 intkey=r[1] data=r[3]
10 Close 0 0 0 0
11 Close 0 0 0 0
12 Null 0 4 5 0 r[4..5]=NULL
13 Noop 2 0 4 0
14 OpenWrite 1 1 1 5 0 root=1 iDb=1; sqlite_temp_master
15 SeekRowid 1 17 1 0 intkey=r[1]
16 Rowid 1 5 0 0 r[5]=[P2]=PX rowid of P1
17 IsNull 5 25 0 0 if r[5]==NULL goto 25
18 String8 0 6 0 view 0 r[6]='view'
19 String8 0 7 0 v_t1_1780 0 r[7]='v_t1_1780'
20 String8 0 8 0 v_t1_1780 0 r[8]='v_t1_1780'
21 SCopy 2 9 0 0 r[9]=r[2]
22 String8 0 10 0 CREATE VIEW v_t1_1780 AS SELECT x FROM t1 0 r[10]='CREATE VIEW v_t1_1780 AS SELECT x FROM t1'
23 MakeRecord 6 5 4 BBBDB 0 r[4]=mkrec(r[6..10])
24 Insert 1 4 5 0 intkey=r[5] data=r[4]
25 SetCookie 1 1 1 0
26 ParseSchema 1 0 0 tbl_name='v_t1_1780' AND type!='trigger' 0
27 Halt 0 0 0 0
28 Transaction 1 1 0 0 1 usesStmtJournal=1
29 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 37 0 0 Start at 37
1 Noop 0 36 0 0
2 CreateBtree 0 1 2 0 r[1]=root iDb=0 flags=2
3 OpenWrite 0 1 0 5 0 root=1 iDb=0; sqlite_master
4 String8 0 3 0 index 0 r[3]='index'
5 String8 0 4 0 idx_t1_9644 0 r[4]='idx_t1_9644'
6 String8 0 5 0 t1 0 r[5]='t1'
7 SCopy 1 6 0 0 r[6]=r[1]
8 String8 0 7 0 CREATE UNIQUE INDEX idx_t1_9644 ON t1((x + 1)) 0 r[7]='CREATE UNIQUE INDEX idx_t1_9644 ON t1((x + 1))'
9 NewRowid 0 2 0 0 r[2]=rowid
10 MakeRecord 3 5 8 BBBDB 0 r[8]=mkrec(r[3..7])
11 Insert 0 8 2 24 intkey=r[2] data=r[8]
12 SorterOpen 3 0 1 k(2,,) 0
13 OpenRead 1 2 0 1 0 root=2 iDb=0; t1
14 Rewind 1 21 0 0
15 Column 1 0 12 0 r[12]=t1.x
16 Add 13 12 10 0 r[10]=r[13]+r[12]
17 Rowid 1 11 0 0 r[11]=t1.rowid
18 MakeRecord 10 2 9 0 r[9]=mkrec(r[10..11])
19 SorterInsert 3 9 0 0 key=r[9]
20 Next 1 15 0 0
21 OpenWrite 2 1 0 k(2,,) 17 root=1 iDb=0
22 SorterSort 3 30 0 0
23 Goto 0 26 0 0
24 SorterCompare 3 23 9 1 0 if key(3)!=trim(r[9],1) goto 23
25 Halt 2067 2 0 index 'idx_t1_9644' 2
26 SorterData 3 9 2 0 r[9]=data
27 SeekEnd 2 0 0 0
28 IdxInsert 2 9 0 16 key=r[9]
29 SorterNext 3 24 0 0
30 Close 1 0 0 0
31 Close 2 0 0 0
32 Close 3 0 0 0
33 SetCookie 0 1 2 0
34 ParseSchema 0 0 0 name='idx_t1_9644' AND type='index' 0
35 Expire 0 1 0 0
36 Halt 0 0 0 0
37 Transaction 0 1 1 0 1 usesStmtJournal=1
38 Integer 1 13 0 0 r[13]=1
39 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 7 0 0 Start at 7
1 OpenRead 1 2 0 1 0 root=2 iDb=0
2 Count 1 1 0 0 r[1]=count()
3 Close 1 0 0 0
4 Copy 1 2 0 0 r[2]=r[1]
5 ResultRow 2 1 0 0 output=r[2]
6 Halt 0 0 0 0
7 Transaction 0 0 2 0 1 usesStmtJournal=0
8 Goto 0 1 0 0
1
QUERY PLAN
`--SEARCH t1 USING INTEGER PRIMARY KEY (rowid=?)
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 26 0 0 Start at 26
1 Null 0 4 5 0 r[4..5]=NULL
2 Noop 2 0 4 0
3 OpenWrite 0 2 0 1 0 root=2 iDb=0; t1
4 Integer 1 7 0 0 r[7]=1
5 SeekRowid 0 7 7 0 intkey=r[7]
6 Rowid 0 5 0 0 r[5]=[P2]=PX rowid of P1
7 OpenWrite 1 3 0 k(2,,) 0 root=3 iDb=0; idx_t1_9644
8 IsNull 5 25 0 0 if r[5]==NULL goto 25
9 Null 0 6 0 0 r[6]=NULL
10 Noop 0 0 0 0 prep index idx_t1_9644
11 Add 9 6 2 0 r[2]=r[9]+r[6]; idx_t1_9644 column 0
12 IntCopy 5 3 0 0 r[3]=r[5]; rowid
13 MakeRecord 2 2 1 0 r[1]=mkrec(r[2..3]); for idx_t1_9644
14 NoConflict 1 18 2 1 0 key=r[2]
15 IdxRowid 1 8 0 0 r[8]=rowid
16 Eq 8 18 5 144 if r[5]==r[8] goto 18
17 Halt 2067 2 0 index 'idx_t1_9644' 2
18 MakeRecord 6 1 4 0 r[4]=mkrec(r[6])
19 Column 0 0 8 0 r[8]=t1.x
20 Add 9 8 10 0 r[10]=r[9]+r[8]
21 Rowid 0 11 0 0 r[11]=t1.rowid
22 IdxDelete 1 10 2 1 key=r[10..11]
23 IdxInsert 1 1 2 2 0 key=r[1]
24 Insert 0 4 5 t1 5 intkey=r[5] data=r[4]
25 Halt 0 0 0 0
26 Transaction 0 1 2 0 1 usesStmtJournal=0
27 Integer 1 9 0 0 r[9]=1
28 Goto 0 1 0 0
QUERY PLAN
|--SCAN t1
`--SEARCH t1 USING AUTOMATIC COVERING INDEX (x=?)
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 25 0 0 Start at 25
1 OpenRead 1 2 0 1 0 root=2 iDb=0; t1
2 OpenRead 3 2 0 1 0 root=2 iDb=0; t1
3 Rewind 1 24 0 0
4 Once 0 14 0 0
5 OpenAutoindex 4 2 0 k(2,B,) 0 nColumn=2; for t1
6 Blob 10000 1 0 0 r[1]= (len=10000)
7 Rewind 3 14 0 0
8 Column 3 0 3 0 r[3]=t1.x
9 Rowid 3 4 0 0 r[4]=t1.rowid
10 MakeRecord 3 2 2 0 r[2]=mkrec(r[3..4])
11 FilterAdd 1 0 3 1 0 filter(1) += key(3)
12 IdxInsert 4 2 0 16 key=r[2]
13 Next 3 8 0 3
14 Column 1 0 5 0 r[5]=t1.x
15 IsNull 5 23 0 0 if r[5]==NULL goto 23
16 Filter 1 23 5 1 0 if key(5) not in filter(1) goto 23
17 SeekGE 4 23 5 1 0 key=r[5]
18 IdxGT 4 23 5 1 0 key=r[5]
19 Column 1 0 6 0 r[6]=t1.x
20 Column 4 0 7 0 r[7]=t1.x
21 ResultRow 6 2 0 0 output=r[6..7]
22 Next 4 18 0 0
23 Next 1 4 0 1
24 Halt 0 0 0 0
25 Transaction 0 0 2 0 1 usesStmtJournal=0
26 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 37 0 0 Start at 37
1 Noop 0 36 0 0
2 CreateBtree 0 1 2 0 r[1]=root iDb=0 flags=2
3 OpenWrite 0 1 0 5 0 root=1 iDb=0; sqlite_master
4 String8 0 3 0 index 0 r[3]='index'
5 String8 0 4 0 idx_t1_3677 0 r[4]='idx_t1_3677'
6 String8 0 5 0 t1 0 r[5]='t1'
7 SCopy 1 6 0 0 r[6]=r[1]
8 String8 0 7 0 CREATE UNIQUE INDEX idx_t1_3677 ON t1(lower(x)) 0 r[7]='CREATE UNIQUE INDEX idx_t1_3677 ON t1(lower(x))'
9 NewRowid 0 2 0 0 r[2]=rowid
10 MakeRecord 3 5 8 BBBDB 0 r[8]=mkrec(r[3..7])
11 Insert 0 8 2 24 intkey=r[2] data=r[8]
12 SorterOpen 3 0 1 k(2,,) 0
13 OpenRead 1 2 0 1 0 root=2 iDb=0; t1
14 Rewind 1 21 0 0
15 Column 1 0 12 0 r[12]=t1.x
16 PureFunc 0 12 10 lower(1) 32 r[10]=func(r[12])
17 Rowid 1 11 0 0 r[11]=t1.rowid
18 MakeRecord 10 2 9 0 r[9]=mkrec(r[10..11])
19 SorterInsert 3 9 0 0 key=r[9]
20 Next 1 15 0 0
21 OpenWrite 2 1 0 k(2,,) 17 root=1 iDb=0
22 SorterSort 3 30 0 0
23 Goto 0 26 0 0
24 SorterCompare 3 23 9 1 0 if key(3)!=trim(r[9],1) goto 23
25 Halt 2067 2 0 index 'idx_t1_3677' 2
26 SorterData 3 9 2 0 r[9]=data
27 SeekEnd 2 0 0 0
28 IdxInsert 2 9 0 16 key=r[9]
29 SorterNext 3 24 0 0
30 Close 1 0 0 0
31 Close 2 0 0 0
32 Close 3 0 0 0
33 SetCookie 0 1 3 0
34 ParseSchema 0 0 0 name='idx_t1_3677' AND type='index' 0
35 Expire 0 1 0 0
36 Halt 0 0 0 0
37 Transaction 0 1 2 0 1 usesStmtJournal=1
38 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 35 0 0 Start at 35
1 Null 0 1 0 0 r[1]=NULL
2 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
3 Rewind 0 9 0 0
4 Column 0 0 2 0 r[2]=t1.x
5 NotNull 2 8 0 0 if r[2]!=NULL goto 8
6 Rowid 0 3 0 0 r[3]=t1.rowid
7 RowSetAdd 1 3 0 0 rowset(1)=r[3]
8 Next 0 4 0 1
9 OpenWrite 0 2 0 1 0 root=2 iDb=0; t1
10 OpenWrite 1 4 0 k(2,,) 8 root=4 iDb=0; idx_t1_3677
11 OpenWrite 2 3 0 k(2,,) 8 root=3 iDb=0; idx_t1_9644
12 RowSetRead 1 29 3 0 r[3]=rowset(1)
13 NotExists 0 28 3 1 0 intkey=r[3]
14 Copy 3 4 0 0 r[4]=r[3]
15 Column 0 0 5 0 r[5]=t1.x
16 Column 0 0 2 0 r[2]=t1.x
17 PureFunc 0 2 6 lower(1) 32 r[6]=func(r[2])
18 Rowid 0 7 0 0 r[7]=t1.rowid
19 IdxDelete 1 6 2 1 key=r[6..7]
20 Column 0 0 2 0 r[2]=t1.x
21 Add 8 2 6 0 r[6]=r[8]+r[2]
22 IdxDelete 2 6 2 1 key=r[6..7]
23 Delete 0 1 0 t1 0
24 SCopy 5 9 0 0 r[9]=r[5]
25 MakeRecord 9 1 10 0 r[10]=mkrec(r[9])
26 NewRowid 4 11 0 0 r[11]=rowid
27 Insert 4 10 11 0 intkey=r[11] data=r[10]
28 Goto 0 12 0 0
29 FkCheck 0 0 0 0
30 Rewind 4 34 0 0
31 Column 4 0 9 0 r[9]=[P3]=PX cursor P1 column P2
32 ResultRow 9 1 0 0 output=r[9]
33 Next 4 31 0 0
34 Halt 0 0 0 0
35 Transaction 0 1 3 0 1 usesStmtJournal=0
36 Integer 1 8 0 0 r[8]=1
37 OpenEphemeral 4 1 0 0 nColumn=1
38 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 24 0 0 Start at 24
1 OpenWrite 0 2 0 1 0 root=2 iDb=0; t1
2 OpenWrite 1 4 0 k(2,,) 0 root=4 iDb=0; idx_t1_3677
3 OpenWrite 2 3 0 k(2,,) 0 root=3 iDb=0; idx_t1_9644
4 Null 0 2 0 0 r[2]=NULL
5 NewRowid 0 1 0 0 r[1]=rowid
6 Noop 0 0 0 0 prep index idx_t1_3677
7 Copy 2 10 0 0 r[10]=r[2]
8 PureFunc 0 10 4 lower(1) 32 r[4]=func(r[10]); idx_t1_3677 column 0
9 IntCopy 1 5 0 0 r[5]=r[1]; rowid
10 MakeRecord 4 2 3 0 r[3]=mkrec(r[4..5]); for idx_t1_3677
11 NoConflict 1 13 4 1 0 key=r[4]
12 Halt 2067 2 0 index 'idx_t1_3677' 2
13 Noop 0 0 0 0 prep index idx_t1_9644
14 Add 11 2 7 0 r[7]=r[11]+r[2]; idx_t1_9644 column 0
15 IntCopy 1 8 0 0 r[8]=r[1]; rowid
16 MakeRecord 7 2 6 0 r[6]=mkrec(r[7..8]); for idx_t1_9644
17 NoConflict 2 19 7 1 0 key=r[7]
18 Halt 2067 2 0 index 'idx_t1_9644' 2
19 MakeRecord 2 1 9 0 r[9]=mkrec(r[2])
20 IdxInsert 1 3 4 2 16 key=r[3]
21 IdxInsert 2 6 7 2 16 key=r[6]
22 Insert 0 9 1 t1 57 intkey=r[1] data=r[9]
23 Halt 0 0 0 0
24 Transaction 0 1 3 0 1 usesStmtJournal=0
25 Integer 1 11 0 0 r[11]=1
26 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 1 0 0 Start at 1
1 AutoCommit 1 0 0 0
2 Halt 0 0 0 0
QUERY PLAN
|--SCAN t1
`--CORRELATED SCALAR SUBQUERY 1
`--SCAN t2
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 25 0 0 Start at 25
1 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
2 Rewind 0 24 0 0
3 Column 0 0 1 0 r[1]=t1.x
4 BeginSubrtn 0 3 0 0 r[3]=NULL
5 Null 0 4 4 0 r[4..4]=NULL; Init subquery result
6 Integer 1 5 0 0 r[5]=1
7 Ne 7 9 6 67 if r[6]!=r[7] goto 9
8 ZeroOrNull 6 5 7 0 r[5] = 0 OR NULL
9 MustBeInt 5 0 0 0 LIMIT counter
10 IfNot 5 19 0 0
11 OpenRead 1 2 0 1 0 root=2 iDb=0; t1
12 Rewind 1 19 0 0
13 Column 1 0 8 0 r[8]=t1.x
14 Column 0 0 9 0 r[9]=t1.x
15 Ne 9 18 8 BINARY-8 81 if r[8]!=r[9] goto 18
16 Column 1 0 4 0 r[4]=t1.x
17 DecrJumpZero 5 19 0 0 if (--r[5])==0 goto 19
18 Next 1 13 0 1
19 Return 3 5 1 0
20 Ne 4 23 1 BINARY-8 81 if r[1]!=r[4] goto 23
21 Column 0 0 10 0 r[10]=t1.x
22 ResultRow 10 1 0 0 output=r[10]
23 Next 0 3 0 1
24 Halt 0 0 0 0
25 Transaction 0 0 3 0 1 usesStmtJournal=0
26 Integer 1 6 0 0 r[6]=1
27 Integer 0 7 0 0 r[7]=0
28 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 79 0 0 Start at 79
1 ReadCookie 0 3 2 0
2 If 3 5 0 0
3 SetCookie 0 2 4 0
4 SetCookie 0 5 1 0
5 CreateBtree 0 2 1 0 r[2]=root iDb=0 flags=1
6 OpenWrite 0 1 0 5 0 root=1 iDb=0
7 NewRowid 0 1 0 0 r[1]=rowid
8 Blob 6 3 0 0 r[3]= (len=6)
9 Insert 0 3 1 8 intkey=r[1] data=r[3]
10 Close 0 0 0 0
11 Close 0 0 0 0
12 Null 0 4 5 0 r[4..5]=NULL
13 Noop 4 0 4 0
14 OpenWrite 3 1 0 5 0 root=1 iDb=0; sqlite_master
15 SeekRowid 3 17 1 0 intkey=r[1]
16 Rowid 3 5 0 0 r[5]=[P2]=PX rowid of P1
17 IsNull 5 25 0 0 if r[5]==NULL goto 25
18 String8 0 6 0 table 0 r[6]='table'
19 String8 0 7 0 sqlite_stat1 0 r[7]='sqlite_stat1'
20 String8 0 8 0 sqlite_stat1 0 r[8]='sqlite_stat1'
21 SCopy 2 9 0 0 r[9]=r[2]
22 String8 0 10 0 CREATE TABLE sqlite_stat1(tbl,idx,stat) 0 r[10]='CREATE TABLE sqlite_stat1(tbl,idx,stat)'
23 MakeRecord 6 5 4 BBBDB 0 r[4]=mkrec(r[6..10])
24 Insert 3 4 5 0 intkey=r[5] data=r[4]
25 SetCookie 0 1 4 0
26 ParseSchema 0 0 0 tbl_name='sqlite_stat1' AND type!='trigger' 0
27 OpenWrite 0 2 0 3 16 root=2 iDb=0; sqlite_stat1
28 OpenRead 5 2 0 1 0 root=2 iDb=0; t1
29 String8 0 18 0 t1 0 r[18]='t1'
30 String8 0 19 0 idx_t1_3677 0 r[19]='idx_t1_3677'; Analysis for t1.idx_t1_3677
31 OpenRead 6 4 0 k(2,,) 0 root=4 iDb=0; idx_t1_3677
32 Integer 2 14 0 0 r[14]=2
33 Integer 1 15 0 0 r[15]=1
34 Rewind 6 53 0 0
35 Count 6 16 1 0 r[16]=count()
36 Integer 0 17 0 0 r[17]=0
37 Function 0 14 13 stat_init(4) 0 r[13]=func(r[14..17])
38 Integer 0 14 0 0 r[14]=0
39 Goto 0 46 0 0
40 NotNull 21 47 0 0 if r[21]!=NULL goto 47
41 Integer 0 14 0 0 r[14]=0
42 Column 6 0 16 0 r[16]=idx_t1_3677.expr(0)
43 Ne 16 46 21 BINARY-8 128 if r[21]!=r[16] goto 46
44 Integer 1 14 0 0 r[14]=1
45 Goto 0 47 0 0
46 Column 6 0 21 0 r[21]=idx_t1_3677.expr(0)
47 Function 1 13 16 stat_push(2) 0 r[16]=func(r[13..14])
48 Next 6 40 0 0
49 Function 0 13 20 stat_get(1) 0 r[20]=func(r[13])
50 MakeRecord 18 3 16 BBB 0 r[16]=mkrec(r[18..20])
51 NewRowid 0 12 0 0 r[12]=rowid
52 Insert 0 16 12 8 intkey=r[12] data=r[16]
53 String8 0 19 0 idx_t1_9644 0 r[19]='idx_t1_9644'; Analysis for t1.idx_t1_9644
54 OpenRead 6 3 0 k(2,,) 0 root=3 iDb=0; idx_t1_9644
55 Integer 2 14 0 0 r[14]=2
56 Integer 1 15 0 0 r[15]=1
57 Rewind 6 76 0 0
58 Count 6 16 1 0 r[16]=count()
59 Integer 0 17 0 0 r[17]=0
60 Function 0 14 13 stat_init(4) 0 r[13]=func(r[14..17])
61 Integer 0 14 0 0 r[14]=0
62 Goto 0 69 0 0
63 NotNull 21 70 0 0 if r[21]!=NULL goto 70
64 Integer 0 14 0 0 r[14]=0
65 Column 6 0 16 0 r[16]=idx_t1_9644.expr(0)
66 Ne 16 69 21 BINARY-8 128 if r[21]!=r[16] goto 69
67 Integer 1 14 0 0 r[14]=1
68 Goto 0 70 0 0
69 Column 6 0 21 0 r[21]=idx_t1_9644.expr(0)
70 Function 1 13 16 stat_push(2) 0 r[16]=func(r[13..14])
71 Next 6 63 0 0
72 Function 0 13 20 stat_get(1) 0 r[20]=func(r[13])
73 MakeRecord 18 3 16 BBB 0 r[16]=mkrec(r[18..20])
74 NewRowid 0 12 0 0 r[12]=rowid
75 Insert 0 16 12 8 intkey=r[12] data=r[16]
76 LoadAnalysis 0 0 0 0
77 Expire 0 0 0 0
78 Halt 0 0 0 0
79 Transaction 0 1 3 0 1 usesStmtJournal=1
80 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 7 0 0 Start at 7
1 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
2 Rewind 0 6 0 0
3 Column 0 0 1 0 r[1]=t1.x
4 ResultRow 1 1 0 0 output=r[1]
5 Next 0 3 0 1
6 Halt 0 0 0 0
7 Transaction 0 0 4 0 1 usesStmtJournal=0
8 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 7 0 0 Start at 7
1 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
2 Rewind 0 6 0 0
3 Column 0 0 1 0 r[1]=t1.x
4 ResultRow 1 1 0 0 output=r[1]
5 Next 0 3 0 1
6 Halt 0 0 0 0
7 Transaction 0 0 4 0 1 usesStmtJournal=0
8 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 1 0 0 Start at 1
1 Null 0 1 0 0 r[1]=NULL
2 Null 0 2 0 0 r[2]=NULL
3 String8 0 3 0 aux30 0 r[3]='aux30'
4 Function 0 3 4 sqlite_detach(1) 0 r[4]=func(r[3])
5 Expire 0 0 0 0
6 Halt 0 0 0 0
Expectation
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 4 0 0 Start at 4
1 Expire 1 1 0 0
2 Expire 0 0 0 0
3 Halt 0 0 0 0
4 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 3 0 0 Start at 3
1 Expire 1 1 0 0
2 Halt 0 0 0 0
3 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 4 0 0 Start at 4
1 Expire 1 1 0 0
2 Expire 0 0 0 0
3 Halt 0 0 0 0
4 Goto 0 1 0 0
QUERY PLAN
`--SCAN CONSTANT ROW
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 5 0 0 Start at 5
1 Explain 1 0 0 SCAN CONSTANT ROW 0
2 Integer 1 1 0 0 r[1]=1
3 ResultRow 1 1 0 0 output=r[1]
4 Halt 0 0 0 0
5 Goto 0 1 0 0
1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 28 0 0 Start at 28
1 ReadCookie 0 3 2 0
2 If 3 5 0 0
3 SetCookie 0 2 4 0
4 SetCookie 0 5 1 0
5 CreateBtree 0 2 1 0 r[2]=root iDb=0 flags=1
6 OpenWrite 0 1 0 5 0 root=1 iDb=0
7 NewRowid 0 1 0 0 r[1]=rowid
8 Blob 6 3 0 0 r[3]= (len=6)
9 Insert 0 3 1 8 intkey=r[1] data=r[3]
10 Close 0 0 0 0
11 Close 0 0 0 0
12 Null 0 4 5 0 r[4..5]=NULL
13 Noop 2 0 4 0
14 OpenWrite 1 1 0 5 0 root=1 iDb=0; sqlite_master
15 SeekRowid 1 17 1 0 intkey=r[1]
16 Rowid 1 5 0 0 r[5]= rowid of 1
17 IsNull 5 25 0 0 if r[5]==NULL goto 25
18 String8 0 6 0 table 0 r[6]='table'
19 String8 0 7 0 t1 0 r[7]='t1'
20 String8 0 8 0 t1 0 r[8]='t1'
21 Copy 2 9 0 0 r[9]=r[2]
22 String8 0 10 0 CREATE TABLE [t1](x) 0 r[10]='CREATE TABLE [t1](x)'
23 MakeRecord 6 5 4 BBBDB 0 r[4]=mkrec(r[6..10])
24 Insert 1 4 5 0 intkey=r[5] data=r[4]
25 SetCookie 0 1 1 0
26 ParseSchema 0 0 0 tbl_name='t1' AND type!='trigger' 0
27 Halt 0 0 0 0
28 Transaction 0 1 0 0 1 usesStmtJournal=1
29 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 7 0 0 Start at 7
1 OpenWrite 0 2 0 1 0 root=2 iDb=0; t1
2 Subtract 5 4 2 0 r[2]=r[4]-r[5]
3 NewRowid 0 1 0 0 r[1]=rowid
4 MakeRecord 2 1 3 0 r[3]=mkrec(r[2])
5 Insert 0 3 1 t1 57 intkey=r[1] data=r[3]
6 Halt 0 0 0 0
7 Transaction 0 1 1 0 1 usesStmtJournal=0
8 Integer 0 4 0 0 r[4]=0
9 Integer 0 7 0 0 r[7]=0
10 Int64 0 8 0 -3120741382014373095 0 r[8]=-3120741382014373095
11 Subtract 8 7 6 0 r[6]=r[7]-r[8]
12 Integer 0 8 0 0 r[8]=0
13 Add 8 6 5 0 r[5]=r[8]+r[6]
14 Goto 0 1 0 0
QUERY PLAN
|--SCAN t1
`--CORRELATED SCALAR SUBQUERY 2
|--CO-ROUTINE (subquery-1)
| `--SCAN CONSTANT ROW
`--SCAN (subquery-1)
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 31 0 0 Start at 31
1 Null 0 1 2 0 r[1..2]=NULL
2 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
3 Explain 3 0 216 SCAN t1 0
4 Rewind 0 27 0 0
5 BeginSubrtn 0 4 0 0 r[4]=NULL
6 Explain 6 0 0 CORRELATED SCALAR SUBQUERY 2 0
7 Null 0 5 5 0 r[5..5]=NULL; Init subquery result
8 InitCoroutine 6 15 9 0 (subquery-1)
9 Explain 9 6 0 CO-ROUTINE (subquery-1) 0
10 Explain 10 9 0 SCAN CONSTANT ROW 0
11 Goto 0 14 0 0
12 Integer 2 7 0 0 r[7]=2
13 Yield 6 0 0 0
14 EndCoroutine 6 0 0 0 end (subquery-1)
15 Integer 1 8 0 0 r[8]=1; LIMIT counter
16 Goto 0 23 0 0
17 Explain 17 6 64 SCAN (subquery-1) 0
18 InitCoroutine 6 0 9 0
19 Yield 6 23 0 0 next row of (subquery-1)
20 Integer 1 5 0 0 r[5]=1
21 DecrJumpZero 8 23 0 0 if (--r[8])==0 goto 23
22 Goto 0 19 0 0
23 Return 4 6 1 0
24 Copy 5 3 0 0 r[3]=r[5]
25 AggStep 0 3 2 sum(1) 1 accum=r[2] step(r[3])
26 Next 0 5 0 1
27 AggFinal 2 1 0 sum(1) 0 accum=r[2] N=1
28 Copy 2 9 0 0 r[9]=r[2]
29 ResultRow 9 1 0 0 output=r[9]
30 Halt 0 0 0 0
31 Transaction 0 0 1 0 1 usesStmtJournal=0
32 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 8 0 0 Start at 8
1 OpenRead 1 2 0 1 0 root=2 iDb=0
2 Count 1 1 0 0 r[1]=count()
3 Close 1 0 0 0
4 Explain 4 0 0 SCAN t1 0
5 Copy 1 2 0 0 r[2]=r[1]
6 ResultRow 2 1 0 0 output=r[2]
7 Halt 0 0 0 0
8 Transaction 0 0 1 0 1 usesStmtJournal=0
9 Goto 0 1 0 0
1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 28 0 0 Start at 28
1 ReadCookie 1 3 2 0
2 If 3 5 0 0
3 SetCookie 1 2 4 0
4 SetCookie 1 5 1 0
5 Integer 0 2 0 0 r[2]=0
6 OpenWrite 0 1 1 5 0 root=1 iDb=1
7 NewRowid 0 1 0 0 r[1]=rowid
8 Blob 6 3 0 0 r[3]= (len=6)
9 Insert 0 3 1 8 intkey=r[1] data=r[3]
10 Close 0 0 0 0
11 Close 0 0 0 0
12 Null 0 4 5 0 r[4..5]=NULL
13 Noop 2 0 4 0
14 OpenWrite 1 1 1 5 0 root=1 iDb=1; sqlite_temp_master
15 SeekRowid 1 17 1 0 intkey=r[1]
16 Rowid 1 5 0 0 r[5]= rowid of 1
17 IsNull 5 25 0 0 if r[5]==NULL goto 25
18 String8 0 6 0 view 0 r[6]='view'
19 String8 0 7 0 v_t1_1780 0 r[7]='v_t1_1780'
20 String8 0 8 0 v_t1_1780 0 r[8]='v_t1_1780'
21 Copy 2 9 0 0 r[9]=r[2]
22 String8 0 10 0 CREATE VIEW v_t1_1780 AS SELECT x FROM t1 0 r[10]='CREATE VIEW v_t1_1780 AS SELECT x FROM t1'
23 MakeRecord 6 5 4 BBBDB 0 r[4]=mkrec(r[6..10])
24 Insert 1 4 5 0 intkey=r[5] data=r[4]
25 SetCookie 1 1 1 0
26 ParseSchema 1 0 0 tbl_name='v_t1_1780' AND type!='trigger' 0
27 Halt 0 0 0 0
28 Transaction 1 1 0 0 1 usesStmtJournal=1
29 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 37 0 0 Start at 37
1 Noop 0 36 0 0
2 CreateBtree 0 1 2 0 r[1]=root iDb=0 flags=2
3 OpenWrite 0 1 0 5 0 root=1 iDb=0; sqlite_master
4 String8 0 3 0 index 0 r[3]='index'
5 String8 0 4 0 idx_t1_9644 0 r[4]='idx_t1_9644'
6 String8 0 5 0 t1 0 r[5]='t1'
7 SCopy 1 6 0 0 r[6]=r[1]
8 String8 0 7 0 CREATE UNIQUE INDEX idx_t1_9644 ON t1((x + 1)) 0 r[7]='CREATE UNIQUE INDEX idx_t1_9644 ON t1((x + 1))'
9 NewRowid 0 2 0 0 r[2]=rowid
10 MakeRecord 3 5 8 BBBDB 0 r[8]=mkrec(r[3..7])
11 Insert 0 8 2 24 intkey=r[2] data=r[8]
12 SorterOpen 3 0 1 k(2,,) 0
13 OpenRead 1 2 0 1 0 root=2 iDb=0; t1
14 Rewind 1 21 0 0
15 Column 1 0 12 0 r[12]= cursor 1 column 0
16 Add 13 12 10 0 r[10]=r[13]+r[12]
17 Rowid 1 11 0 0 r[11]=t1.rowid
18 MakeRecord 10 2 9 0 r[9]=mkrec(r[10..11])
19 SorterInsert 3 9 0 0 key=r[9]
20 Next 1 15 0 0
21 OpenWrite 2 1 0 k(2,,) 17 root=1 iDb=0
22 SorterSort 3 30 0 0
23 Goto 0 26 0 0
24 SorterCompare 3 23 9 1 0 if key(3)!=trim(r[9],1) goto 23
25 Halt 2067 2 0 index 'idx_t1_9644' 2
26 SorterData 3 9 2 0 r[9]=data
27 SeekEnd 2 0 0 0
28 IdxInsert 2 9 0 16 key=r[9]
29 SorterNext 3 24 0 0
30 Close 1 0 0 0
31 Close 2 0 0 0
32 Close 3 0 0 0
33 SetCookie 0 1 2 0
34 ParseSchema 0 0 0 name='idx_t1_9644' AND type='index' 0
35 Expire 0 1 0 0
36 Halt 0 0 0 0
37 Transaction 0 1 1 0 1 usesStmtJournal=1
38 Integer 1 13 0 0 r[13]=1
39 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 8 0 0 Start at 8
1 OpenRead 1 2 0 1 0 root=2 iDb=0
2 Count 1 1 0 0 r[1]=count()
3 Close 1 0 0 0
4 Explain 4 0 0 SCAN t1 0
5 Copy 1 2 0 0 r[2]=r[1]
6 ResultRow 2 1 0 0 output=r[2]
7 Halt 0 0 0 0
8 Transaction 0 0 2 0 1 usesStmtJournal=0
9 Goto 0 1 0 0
1
QUERY PLAN
`--SEARCH t1 USING INTEGER PRIMARY KEY (rowid=?)
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 27 0 0 Start at 27
1 Null 0 4 5 0 r[4..5]=NULL
2 Noop 2 0 4 0
3 OpenWrite 0 2 0 1 0 root=2 iDb=0; t1
4 Explain 4 0 33 SEARCH t1 USING INTEGER PRIMARY KEY (rowid=?) 0
5 Integer 1 7 0 0 r[7]=1
6 SeekRowid 0 8 7 0 intkey=r[7]
7 Rowid 0 5 0 0 r[5]= rowid of 0
8 OpenWrite 1 3 0 k(2,,) 0 root=3 iDb=0; idx_t1_9644
9 IsNull 5 26 0 0 if r[5]==NULL goto 26
10 Null 0 6 0 0 r[6]=NULL
11 Noop 0 0 0 0 prep index idx_t1_9644
12 Add 9 6 2 0 r[2]=r[9]+r[6]; idx_t1_9644 column 0
13 IntCopy 5 3 0 0 r[3]=r[5]; rowid
14 MakeRecord 2 2 1 0 r[1]=mkrec(r[2..3]); for idx_t1_9644
15 NoConflict 1 19 2 1 0 key=r[2]
16 IdxRowid 1 8 0 0 r[8]=rowid
17 Eq 8 19 5 144 if r[5]==r[8] goto 19
18 Halt 2067 2 0 index 'idx_t1_9644' 2
19 MakeRecord 6 1 4 0 r[4]=mkrec(r[6])
20 Column 0 0 8 0 r[8]= cursor 0 column 0
21 Add 9 8 10 0 r[10]=r[9]+r[8]
22 Rowid 0 11 0 0 r[11]=t1.rowid
23 IdxDelete 1 10 2 1 key=r[10..11]
24 IdxInsert 1 1 2 2 0 key=r[1]
25 Insert 0 4 5 t1 5 intkey=r[5] data=r[4]
26 Halt 0 0 0 0
27 Transaction 0 1 2 0 1 usesStmtJournal=0
28 Integer 1 9 0 0 r[9]=1
29 Goto 0 1 0 0
QUERY PLAN
|--SCAN t1
|--BLOOM FILTER ON t1 (x=?)
`--SEARCH t1 USING AUTOMATIC COVERING INDEX (x=?)
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 28 0 0 Start at 28
1 OpenRead 1 2 0 1 0 root=2 iDb=0; t1
2 OpenRead 3 2 0 1 0 root=2 iDb=0; t1
3 Explain 3 0 216 SCAN t1 0
4 Rewind 1 27 0 0
5 Once 0 16 0 0
6 OpenAutoindex 4 2 0 k(2,B,) 0 nColumn=2; for t1
7 Explain 7 0 0 BLOOM FILTER ON t1 (x=?) 0
8 Blob 10000 1 0 0 r[1]= (len=10000)
9 Rewind 3 27 0 0
10 Column 3 0 3 0 r[3]= cursor 3 column 0
11 Rowid 3 4 0 0 r[4]=t1.rowid
12 MakeRecord 3 2 2 0 r[2]=mkrec(r[3..4])
13 FilterAdd 1 0 3 1 0 filter(1) += key(3)
14 IdxInsert 4 2 0 16 key=r[2]
15 Next 3 10 0 3
16 Explain 16 0 53 SEARCH t1 USING AUTOMATIC COVERING INDEX (x=?) 0
17 Column 1 0 5 0 r[5]= cursor 1 column 0
18 IsNull 5 26 0 0 if r[5]==NULL goto 26
19 Filter 1 26 5 1 0 if key(5) not in filter(1) goto 26
20 SeekGE 4 26 5 1 0 key=r[5]
21 IdxGT 4 26 5 1 0 key=r[5]
22 Column 1 0 6 0 r[6]= cursor 1 column 0
23 Column 4 0 7 0 r[7]= cursor 4 column 0
24 ResultRow 6 2 0 0 output=r[6..7]
25 Next 4 21 0 0
26 Next 1 5 0 1
27 Halt 0 0 0 0
28 Transaction 0 0 2 0 1 usesStmtJournal=0
29 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 37 0 0 Start at 37
1 Noop 0 36 0 0
2 CreateBtree 0 1 2 0 r[1]=root iDb=0 flags=2
3 OpenWrite 0 1 0 5 0 root=1 iDb=0; sqlite_master
4 String8 0 3 0 index 0 r[3]='index'
5 String8 0 4 0 idx_t1_3677 0 r[4]='idx_t1_3677'
6 String8 0 5 0 t1 0 r[5]='t1'
7 SCopy 1 6 0 0 r[6]=r[1]
8 String8 0 7 0 CREATE UNIQUE INDEX idx_t1_3677 ON t1(lower(x)) 0 r[7]='CREATE UNIQUE INDEX idx_t1_3677 ON t1(lower(x))'
9 NewRowid 0 2 0 0 r[2]=rowid
10 MakeRecord 3 5 8 BBBDB 0 r[8]=mkrec(r[3..7])
11 Insert 0 8 2 24 intkey=r[2] data=r[8]
12 SorterOpen 3 0 1 k(2,,) 0
13 OpenRead 1 2 0 1 0 root=2 iDb=0; t1
14 Rewind 1 21 0 0
15 Column 1 0 12 0 r[12]= cursor 1 column 0
16 PureFunc 0 12 10 lower(1) 32 r[10]=func(r[12])
17 Rowid 1 11 0 0 r[11]=t1.rowid
18 MakeRecord 10 2 9 0 r[9]=mkrec(r[10..11])
19 SorterInsert 3 9 0 0 key=r[9]
20 Next 1 15 0 0
21 OpenWrite 2 1 0 k(2,,) 17 root=1 iDb=0
22 SorterSort 3 30 0 0
23 Goto 0 26 0 0
24 SorterCompare 3 23 9 1 0 if key(3)!=trim(r[9],1) goto 23
25 Halt 2067 2 0 index 'idx_t1_3677' 2
26 SorterData 3 9 2 0 r[9]=data
27 SeekEnd 2 0 0 0
28 IdxInsert 2 9 0 16 key=r[9]
29 SorterNext 3 24 0 0
30 Close 1 0 0 0
31 Close 2 0 0 0
32 Close 3 0 0 0
33 SetCookie 0 1 3 0
34 ParseSchema 0 0 0 name='idx_t1_3677' AND type='index' 0
35 Expire 0 1 0 0
36 Halt 0 0 0 0
37 Transaction 0 1 2 0 1 usesStmtJournal=1
38 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 36 0 0 Start at 36
1 Null 0 1 0 0 r[1]=NULL
2 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
3 Explain 3 0 216 SCAN t1 0
4 Rewind 0 10 0 0
5 Column 0 0 2 128 r[2]= cursor 0 column 0
6 NotNull 2 9 0 0 if r[2]!=NULL goto 9
7 Rowid 0 3 0 0 r[3]=t1.rowid
8 RowSetAdd 1 3 0 0 rowset(1)=r[3]
9 Next 0 5 0 1
10 OpenWrite 0 2 0 1 0 root=2 iDb=0; t1
11 OpenWrite 1 4 0 k(2,,) 8 root=4 iDb=0; idx_t1_3677
12 OpenWrite 2 3 0 k(2,,) 8 root=3 iDb=0; idx_t1_9644
13 RowSetRead 1 30 3 0 r[3]=rowset(1)
14 NotExists 0 29 3 1 0 intkey=r[3]
15 Copy 3 4 0 0 r[4]=r[3]
16 Column 0 0 5 0 r[5]= cursor 0 column 0
17 Column 0 0 2 0 r[2]= cursor 0 column 0
18 PureFunc 0 2 6 lower(1) 32 r[6]=func(r[2])
19 Rowid 0 7 0 0 r[7]=t1.rowid
20 IdxDelete 1 6 2 1 key=r[6..7]
21 Column 0 0 2 0 r[2]= cursor 0 column 0
22 Add 8 2 6 0 r[6]=r[8]+r[2]
23 IdxDelete 2 6 2 1 key=r[6..7]
24 Delete 0 1 0 t1 0
25 Copy 5 9 0 0 r[9]=r[5]
26 MakeRecord 9 1 10 0 r[10]=mkrec(r[9])
27 NewRowid 4 11 0 0 r[11]=rowid
28 Insert 4 10 11 0 intkey=r[11] data=r[10]
29 Goto 0 13 0 0
30 FkCheck 0 0 0 0
31 Rewind 4 35 0 0
32 Column 4 0 9 0 r[9]= cursor 4 column 0
33 ResultRow 9 1 0 0 output=r[9]
34 Next 4 32 0 0
35 Halt 0 0 0 0
36 Transaction 0 1 3 0 1 usesStmtJournal=1
37 Integer 1 8 0 0 r[8]=1
38 OpenEphemeral 4 1 0 0 nColumn=1
39 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 24 0 0 Start at 24
1 OpenWrite 0 2 0 1 0 root=2 iDb=0; t1
2 OpenWrite 1 4 0 k(2,,) 0 root=4 iDb=0; idx_t1_3677
3 OpenWrite 2 3 0 k(2,,) 0 root=3 iDb=0; idx_t1_9644
4 Null 0 2 0 0 r[2]=NULL
5 NewRowid 0 1 0 0 r[1]=rowid
6 Noop 0 0 0 0 prep index idx_t1_3677
7 SCopy 2 10 0 0 r[10]=r[2]
8 PureFunc 0 10 4 lower(1) 32 r[4]=func(r[10]); idx_t1_3677 column 0
9 IntCopy 1 5 0 0 r[5]=r[1]; rowid
10 MakeRecord 4 2 3 0 r[3]=mkrec(r[4..5]); for idx_t1_3677
11 NoConflict 1 13 4 1 0 key=r[4]
12 Halt 2067 2 0 index 'idx_t1_3677' 2
13 Noop 0 0 0 0 prep index idx_t1_9644
14 Add 11 2 7 0 r[7]=r[11]+r[2]; idx_t1_9644 column 0
15 IntCopy 1 8 0 0 r[8]=r[1]; rowid
16 MakeRecord 7 2 6 0 r[6]=mkrec(r[7..8]); for idx_t1_9644
17 NoConflict 2 19 7 1 0 key=r[7]
18 Halt 2067 2 0 index 'idx_t1_9644' 2
19 MakeRecord 2 1 9 0 r[9]=mkrec(r[2])
20 IdxInsert 1 3 4 2 16 key=r[3]
21 IdxInsert 2 6 7 2 16 key=r[6]
22 Insert 0 9 1 t1 57 intkey=r[1] data=r[9]
23 Halt 0 0 0 0
24 Transaction 0 1 3 0 1 usesStmtJournal=0
25 Integer 1 11 0 0 r[11]=1
26 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 3 0 0 Start at 3
1 AutoCommit 1 0 0 0
2 Halt 0 0 0 0
3 Goto 0 1 0 0
QUERY PLAN
|--SCAN t1
`--CORRELATED SCALAR SUBQUERY 1
`--SCAN t2
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 25 0 0 Start at 25
1 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
2 Explain 2 0 216 SCAN t1 0
3 Rewind 0 24 0 0
4 Column 0 0 1 0 r[1]= cursor 0 column 0
5 IsNull 1 23 0 0 if r[1]==NULL goto 23; skip right operand
6 BeginSubrtn 0 3 0 0 r[3]=NULL
7 Explain 7 0 0 CORRELATED SCALAR SUBQUERY 1 0
8 Null 0 4 4 0 r[4..4]=NULL; Init subquery result
9 Integer 1 5 0 0 r[5]=1; LIMIT counter
10 OpenRead 1 2 0 1 0 root=2 iDb=0; t1
11 Explain 11 7 216 SCAN t2 0
12 Rewind 1 19 0 0
13 Column 1 0 6 0 r[6]= cursor 1 column 0
14 Column 0 0 7 0 r[7]= cursor 0 column 0
15 Ne 7 18 6 BINARY-8 81 if r[6]!=r[7] goto 18
16 Column 1 0 4 0 r[4]= cursor 1 column 0
17 DecrJumpZero 5 19 0 0 if (--r[5])==0 goto 19
18 Next 1 13 0 1
19 Return 3 7 1 0
20 Ne 4 23 1 BINARY-8 81 if r[1]!=r[4] goto 23
21 Column 0 0 8 0 r[8]= cursor 0 column 0
22 ResultRow 8 1 0 0 output=r[8]
23 Next 0 4 0 1
24 Halt 0 0 0 0
25 Transaction 0 0 3 0 1 usesStmtJournal=0
26 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 79 0 0 Start at 79
1 ReadCookie 0 3 2 0
2 If 3 5 0 0
3 SetCookie 0 2 4 0
4 SetCookie 0 5 1 0
5 CreateBtree 0 2 1 0 r[2]=root iDb=0 flags=1
6 OpenWrite 0 1 0 5 0 root=1 iDb=0
7 NewRowid 0 1 0 0 r[1]=rowid
8 Blob 6 3 0 0 r[3]= (len=6)
9 Insert 0 3 1 8 intkey=r[1] data=r[3]
10 Close 0 0 0 0
11 Close 0 0 0 0
12 Null 0 4 5 0 r[4..5]=NULL
13 Noop 4 0 4 0
14 OpenWrite 3 1 0 5 0 root=1 iDb=0; sqlite_master
15 SeekRowid 3 17 1 0 intkey=r[1]
16 Rowid 3 5 0 0 r[5]= rowid of 3
17 IsNull 5 25 0 0 if r[5]==NULL goto 25
18 String8 0 6 0 table 0 r[6]='table'
19 String8 0 7 0 sqlite_stat1 0 r[7]='sqlite_stat1'
20 String8 0 8 0 sqlite_stat1 0 r[8]='sqlite_stat1'
21 Copy 2 9 0 0 r[9]=r[2]
22 String8 0 10 0 CREATE TABLE sqlite_stat1(tbl,idx,stat) 0 r[10]='CREATE TABLE sqlite_stat1(tbl,idx,stat)'
23 MakeRecord 6 5 4 BBBDB 0 r[4]=mkrec(r[6..10])
24 Insert 3 4 5 0 intkey=r[5] data=r[4]
25 SetCookie 0 1 4 0
26 ParseSchema 0 0 0 tbl_name='sqlite_stat1' AND type!='trigger' 0
27 OpenWrite 0 2 0 3 16 root=2 iDb=0; sqlite_stat1
28 OpenRead 5 2 0 1 0 root=2 iDb=0; t1
29 String8 0 18 0 t1 0 r[18]='t1'
30 String8 0 19 0 idx_t1_3677 0 r[19]='idx_t1_3677'; Analysis for t1.idx_t1_3677
31 OpenRead 6 4 0 k(2,,) 0 root=4 iDb=0; idx_t1_3677
32 Integer 0 17 0 0 r[17]=0
33 Integer 2 14 0 0 r[14]=2
34 Integer 1 15 0 0 r[15]=1
35 Count 6 16 0 0 r[16]=count()
36 Function 0 14 13 stat_init(4) 0 r[13]=func(r[14..17])
37 Rewind 6 53 0 0
38 Integer 0 14 0 0 r[14]=0
39 Goto 0 46 0 0
40 NotNull 21 47 0 0 if r[21]!=NULL goto 47
41 Integer 0 14 0 0 r[14]=0
42 Column 6 0 16 0 r[16]=idx_t1_3677.expr(0)
43 Ne 16 46 21 BINARY-8 128 if r[21]!=r[16] goto 46
44 Integer 1 14 0 0 r[14]=1
45 Goto 0 47 0 0
46 Column 6 0 21 0 r[21]=idx_t1_3677.expr(0)
47 Function 1 13 16 stat_push(2) 0 r[16]=func(r[13..14])
48 Next 6 40 0 0
49 Function 0 13 20 stat_get(1) 0 r[20]=func(r[13])
50 MakeRecord 18 3 16 BBB 0 r[16]=mkrec(r[18..20])
51 NewRowid 0 12 0 0 r[12]=rowid
52 Insert 0 16 12 8 intkey=r[12] data=r[16]
53 String8 0 19 0 idx_t1_9644 0 r[19]='idx_t1_9644'; Analysis for t1.idx_t1_9644
54 OpenRead 6 3 0 k(2,,) 0 root=3 iDb=0; idx_t1_9644
55 Integer 0 17 0 0 r[17]=0
56 Integer 2 14 0 0 r[14]=2
57 Integer 1 15 0 0 r[15]=1
58 Count 6 16 0 0 r[16]=count()
59 Function 0 14 13 stat_init(4) 0 r[13]=func(r[14..17])
60 Rewind 6 76 0 0
61 Integer 0 14 0 0 r[14]=0
62 Goto 0 69 0 0
63 NotNull 21 70 0 0 if r[21]!=NULL goto 70
64 Integer 0 14 0 0 r[14]=0
65 Column 6 0 16 0 r[16]=idx_t1_9644.expr(0)
66 Ne 16 69 21 BINARY-8 128 if r[21]!=r[16] goto 69
67 Integer 1 14 0 0 r[14]=1
68 Goto 0 70 0 0
69 Column 6 0 21 0 r[21]=idx_t1_9644.expr(0)
70 Function 1 13 16 stat_push(2) 0 r[16]=func(r[13..14])
71 Next 6 63 0 0
72 Function 0 13 20 stat_get(1) 0 r[20]=func(r[13])
73 MakeRecord 18 3 16 BBB 0 r[16]=mkrec(r[18..20])
74 NewRowid 0 12 0 0 r[12]=rowid
75 Insert 0 16 12 8 intkey=r[12] data=r[16]
76 LoadAnalysis 0 0 0 0
77 Expire 0 0 0 0
78 Halt 0 0 0 0
79 Transaction 0 1 3 0 1 usesStmtJournal=1
80 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 8 0 0 Start at 8
1 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
2 Explain 2 0 16 SCAN t1 0
3 Rewind 0 7 0 0
4 Column 0 0 1 0 r[1]= cursor 0 column 0
5 ResultRow 1 1 0 0 output=r[1]
6 Next 0 4 0 1
7 Halt 0 0 0 0
8 Transaction 0 0 4 0 1 usesStmtJournal=0
9 Goto 0 1 0 0
QUERY PLAN
`--SCAN t1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 8 0 0 Start at 8
1 OpenRead 0 2 0 1 0 root=2 iDb=0; t1
2 Explain 2 0 16 SCAN t1 0
3 Rewind 0 7 0 0
4 Column 0 0 1 0 r[1]= cursor 0 column 0
5 ResultRow 1 1 0 0 output=r[1]
6 Next 0 4 0 1
7 Halt 0 0 0 0
8 Transaction 0 0 4 0 1 usesStmtJournal=0
9 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 7 0 0 Start at 7
1 Null 0 1 0 0 r[1]=NULL
2 Null 0 2 0 0 r[2]=NULL
3 String8 0 3 0 aux30 0 r[3]='aux30'
4 Function 0 3 4 sqlite_detach(1) 0 r[4]=func(r[3])
5 Expire 0 0 0 0
6 Halt 0 0 0 0
7 Goto 0 1 0 0
Flag