64 KiB
64 KiB
Summary
**No review yet**Minimized query
.lint
PRAGMA ignore_check_constraints = YES;
PRAGMA count_changes = 1;
PRAGMA pragma_list;
.eqp full
BEGIN;
CREATE TABLE t1(w int, x int, y int, z int);
CREATE UNIQUE INDEX i1w ON t1(w);
CREATE INDEX i1xy ON t1(x,y);
CREATE INDEX i1zyx ON t1(z,y,x);
COMMIT;
SELECT * FROM t1 WHERE w BETWEEN 5 AND 6 ORDER BY +w;
SELECT * FROM t1 WHERE +w BETWEEN 5 AND 65-y ORDER BY +w;
INSERT INTO t1 DEFAULT VALUES;
INSERT INTO t1 VALUES (1, 'x', 'x', 1) ON CONFLICT(w) DO UPDATE SET w = excluded.w, x = excluded.x, y = excluded.y;
SELECT COUNT(*) FROM t1;
SELECT SUM(z) FROM t1;
INSERT OR REPLACE INTO t1 VALUES (NULL, '', '', '');
Actual output
analysis_limit
application_id
auto_vacuum
automatic_index
busy_timeout
cache_size
cache_spill
case_sensitive_like
cell_size_check
checkpoint_fullfsync
collation_list
compile_options
count_changes
data_version
database_list
default_cache_size
defer_foreign_keys
empty_result_callbacks
encoding
foreign_key_check
foreign_key_list
foreign_keys
freelist_count
full_column_names
fullfsync
function_list
hard_heap_limit
ignore_check_constraints
incremental_vacuum
index_info
index_list
index_xinfo
integrity_check
journal_mode
journal_size_limit
legacy_alter_table
locking_mode
max_page_count
mmap_size
module_list
optimize
page_count
page_size
pragma_list
query_only
quick_check
read_uncommitted
recursive_triggers
reverse_unordered_selects
schema_version
secure_delete
short_column_names
shrink_memory
soft_heap_limit
synchronous
table_info
table_list
table_xinfo
temp_store
temp_store_directory
threads
trusted_schema
user_version
wal_autocheckpoint
wal_checkpoint
writable_schema
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 1 0 0 Start at 1
1 AutoCommit 0 0 0 0
2 Halt 0 0 0 0
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(w int, x int, y int, z int) 0 r[10]='CREATE TABLE t1(w int, x int, y int, z int)'
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 36 0 0 Start at 36
1 Noop 0 35 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 i1w 0 r[4]='i1w'
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 i1w ON t1(w) 0 r[7]='CREATE UNIQUE INDEX i1w ON t1(w)'
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 4 0 root=2 iDb=0; t1
14 Rewind 1 20 0 0
15 Column 1 0 10 0 r[10]=t1.w
16 Rowid 1 11 0 0 r[11]=t1.rowid
17 MakeRecord 10 2 9 0 r[9]=mkrec(r[10..11])
18 SorterInsert 3 9 0 0 key=r[9]
19 Next 1 15 0 0
20 OpenWrite 2 1 0 k(2,,) 17 root=1 iDb=0
21 SorterSort 3 29 0 0
22 Goto 0 25 0 0
23 SorterCompare 3 22 9 1 0 if key(3)!=trim(r[9],1) goto 22
24 Halt 2067 2 0 t1.w 2
25 SorterData 3 9 2 0 r[9]=data
26 SeekEnd 2 0 0 0
27 IdxInsert 2 9 0 16 key=r[9]
28 SorterNext 3 23 0 0
29 Close 1 0 0 0
30 Close 2 0 0 0
31 Close 3 0 0 0
32 SetCookie 0 1 2 0
33 ParseSchema 0 0 0 name='i1w' AND type='index' 0
34 Expire 0 1 0 0
35 Halt 0 0 0 0
36 Transaction 0 1 1 0 1 usesStmtJournal=1
37 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 34 0 0 Start at 34
1 Noop 0 33 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 i1xy 0 r[4]='i1xy'
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 INDEX i1xy ON t1(x,y) 0 r[7]='CREATE INDEX i1xy ON t1(x,y)'
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 2 k(3,,,) 0
13 OpenRead 1 2 0 4 0 root=2 iDb=0; t1
14 Rewind 1 21 0 0
15 Column 1 1 10 0 r[10]=t1.x
16 Column 1 2 11 0 r[11]=t1.y
17 Rowid 1 12 0 0 r[12]=t1.rowid
18 MakeRecord 10 3 9 0 r[9]=mkrec(r[10..12])
19 SorterInsert 3 9 0 0 key=r[9]
20 Next 1 15 0 0
21 OpenWrite 2 1 0 k(3,,,) 17 root=1 iDb=0
22 SorterSort 3 27 0 0
23 SorterData 3 9 2 0 r[9]=data
24 SeekEnd 2 0 0 0
25 IdxInsert 2 9 0 16 key=r[9]
26 SorterNext 3 23 0 0
27 Close 1 0 0 0
28 Close 2 0 0 0
29 Close 3 0 0 0
30 SetCookie 0 1 3 0
31 ParseSchema 0 0 0 name='i1xy' AND type='index' 0
32 Expire 0 1 0 0
33 Halt 0 0 0 0
34 Transaction 0 1 2 0 1 usesStmtJournal=1
35 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 35 0 0 Start at 35
1 Noop 0 34 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 i1zyx 0 r[4]='i1zyx'
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 INDEX i1zyx ON t1(z,y,x) 0 r[7]='CREATE INDEX i1zyx ON t1(z,y,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 3 k(4,,,,) 0
13 OpenRead 1 2 0 4 0 root=2 iDb=0; t1
14 Rewind 1 22 0 0
15 Column 1 3 10 0 r[10]=t1.z
16 Column 1 2 11 0 r[11]=t1.y
17 Column 1 1 12 0 r[12]=t1.x
18 Rowid 1 13 0 0 r[13]=t1.rowid
19 MakeRecord 10 4 9 0 r[9]=mkrec(r[10..13])
20 SorterInsert 3 9 0 0 key=r[9]
21 Next 1 15 0 0
22 OpenWrite 2 1 0 k(4,,,,) 17 root=1 iDb=0
23 SorterSort 3 28 0 0
24 SorterData 3 9 2 0 r[9]=data
25 SeekEnd 2 0 0 0
26 IdxInsert 2 9 0 16 key=r[9]
27 SorterNext 3 24 0 0
28 Close 1 0 0 0
29 Close 2 0 0 0
30 Close 3 0 0 0
31 SetCookie 0 1 4 0
32 ParseSchema 0 0 0 name='i1zyx' AND type='index' 0
33 Expire 0 1 0 0
34 Halt 0 0 0 0
35 Transaction 0 1 3 0 1 usesStmtJournal=1
36 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
|--SEARCH t1 USING INDEX i1w (w>? AND w<?)
`--USE TEMP B-TREE FOR ORDER BY
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 27 0 0 Start at 27
1 SorterOpen 1 6 0 k(1,B) 0
2 OpenRead 0 2 0 4 0 root=2 iDb=0; t1
3 OpenRead 2 3 0 k(2,,) 0 root=3 iDb=0; i1w
4 Integer 5 1 0 0 r[1]=5
5 SeekGE 2 17 1 1 0 key=r[1]
6 Integer 6 1 0 0 r[1]=6
7 IdxGT 2 17 1 1 0 key=r[1]
8 DeferredSeek 2 0 0 0 Move 0 to 2.rowid if needed
9 Column 2 0 3 0 r[3]=t1.w
10 Column 0 1 4 0 r[4]=t1.x
11 Column 0 2 5 0 r[5]=t1.y
12 Column 0 3 6 0 r[6]=t1.z
13 Column 2 0 2 0 r[2]=t1.w
14 MakeRecord 2 5 7 0 r[7]=mkrec(r[2..6])
15 SorterInsert 1 7 2 5 0 key=r[7]
16 Next 2 7 0 0
17 OpenPseudo 3 8 6 0 6 columns in r[8]
18 SorterSort 1 26 0 0
19 SorterData 1 8 3 0 r[8]=data
20 Column 3 4 6 0 r[6]=z
21 Column 3 3 5 0 r[5]=y
22 Column 3 2 4 0 r[4]=x
23 Column 3 1 3 0 r[3]=w
24 ResultRow 3 4 0 0 output=r[3..6]
25 SorterNext 1 19 0 0
26 Halt 0 0 0 0
27 Transaction 0 0 4 0 1 usesStmtJournal=0
28 Goto 0 1 0 0
QUERY PLAN
|--SCAN t1
`--USE TEMP B-TREE FOR ORDER BY
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 27 0 0 Start at 27
1 SorterOpen 1 6 0 k(1,B) 0
2 OpenRead 0 2 0 4 0 root=2 iDb=0; t1
3 Rewind 0 17 0 0
4 Column 0 0 1 0 r[1]=t1.w
5 Lt 3 16 1 BINARY-8 80 if r[1]<r[3] goto 16
6 Column 0 2 5 0 r[5]=t1.y
7 Subtract 5 4 2 0 r[2]=r[4]-r[5]
8 Gt 2 16 1 BINARY-8 80 if r[1]>r[2] goto 16
9 Column 0 0 7 0 r[7]=t1.w
10 Column 0 1 8 0 r[8]=t1.x
11 Column 0 2 9 0 r[9]=t1.y
12 Column 0 3 10 0 r[10]=t1.z
13 Column 0 0 6 0 r[6]=t1.w
14 MakeRecord 6 5 11 0 r[11]=mkrec(r[6..10])
15 SorterInsert 1 11 6 5 0 key=r[11]
16 Next 0 4 0 1
17 OpenPseudo 2 12 6 0 6 columns in r[12]
18 SorterSort 1 26 0 0
19 SorterData 1 12 2 0 r[12]=data
20 Column 2 4 10 0 r[10]=z
21 Column 2 3 9 0 r[9]=y
22 Column 2 2 8 0 r[8]=x
23 Column 2 1 7 0 r[7]=w
24 ResultRow 7 4 0 0 output=r[7..10]
25 SorterNext 1 19 0 0
26 Halt 0 0 0 0
27 Transaction 0 0 4 0 1 usesStmtJournal=0
28 Integer 5 3 0 0 r[3]=5
29 Integer 65 4 0 0 r[4]=65
30 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 34 0 0 Start at 34
1 Integer 0 6 0 0 r[6]=0
2 OpenWrite 0 2 0 4 0 root=2 iDb=0; t1
3 OpenWrite 1 5 0 k(4,,,,) 0 root=5 iDb=0; i1zyx
4 OpenWrite 2 4 0 k(3,,,) 0 root=4 iDb=0; i1xy
5 OpenWrite 3 3 0 k(2,,) 0 root=3 iDb=0; i1w
6 NewRowid 0 1 0 0 r[1]=rowid
7 Affinity 2 4 0 DDDD 0 affinity(r[2..5])
8 Noop 0 0 0 0 prep index i1zyx
9 SCopy 5 8 0 0 r[8]=r[5]; z
10 SCopy 4 9 0 0 r[9]=r[4]; y
11 SCopy 3 10 0 0 r[10]=r[3]; x
12 IntCopy 1 11 0 0 r[11]=r[1]; rowid
13 MakeRecord 8 4 7 0 r[7]=mkrec(r[8..11]); for i1zyx
14 Noop 0 0 0 0 prep index i1xy
15 SCopy 3 13 0 0 r[13]=r[3]; x
16 SCopy 4 14 0 0 r[14]=r[4]; y
17 IntCopy 1 15 0 0 r[15]=r[1]; rowid
18 MakeRecord 13 3 12 0 r[12]=mkrec(r[13..15]); for i1xy
19 Noop 0 0 0 0 prep index i1w
20 SCopy 2 17 0 0 r[17]=r[2]; w
21 IntCopy 1 18 0 0 r[18]=r[1]; rowid
22 MakeRecord 17 2 16 0 r[16]=mkrec(r[17..18]); for i1w
23 NoConflict 3 25 17 1 0 key=r[17]
24 Halt 2067 2 0 t1.w 2
25 MakeRecord 2 4 19 0 r[19]=mkrec(r[2..5])
26 IdxInsert 1 7 8 4 16 key=r[7]
27 IdxInsert 2 12 13 3 16 key=r[12]
28 IdxInsert 3 16 17 2 16 key=r[16]
29 Insert 0 19 1 t1 57 intkey=r[1] data=r[19]
30 AddImm 6 1 0 0 r[6]=r[6]+1
31 FkCheck 0 0 0 0
32 ResultRow 6 1 0 0 output=r[6]
33 Halt 0 0 0 0
34 Transaction 0 1 4 0 1 usesStmtJournal=0
35 Null 0 2 0 0 r[2]=NULL
36 Null 0 3 0 0 r[3]=NULL
37 Null 0 4 0 0 r[4]=NULL
38 Null 0 5 0 0 r[5]=NULL
39 Goto 0 1 0 0
1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 85 0 0 Start at 85
1 Integer 0 6 0 0 r[6]=0
2 OpenWrite 0 2 0 4 0 root=2 iDb=0; t1
3 OpenWrite 1 5 0 k(4,,,,) 0 root=5 iDb=0; i1zyx
4 OpenWrite 2 4 0 k(3,,,) 0 root=4 iDb=0; i1xy
5 OpenWrite 3 3 0 k(2,,) 0 root=3 iDb=0; i1w
6 Integer 1 2 0 0 r[2]=1
7 String8 0 3 0 x 0 r[3]='x'
8 String8 0 4 0 x 0 r[4]='x'
9 Integer 1 5 0 0 r[5]=1
10 NewRowid 0 1 0 0 r[1]=rowid
11 Affinity 2 4 0 DDDD 0 affinity(r[2..5])
12 Noop 0 0 0 0 prep index i1w
13 SCopy 2 17 0 0 r[17]=r[2]; w
14 IntCopy 1 18 0 0 r[18]=r[1]; rowid
15 MakeRecord 17 2 16 0 r[16]=mkrec(r[17..18]); for i1w
16 NoConflict 3 65 17 1 0 key=r[17]
17 Noop 0 0 0 0 Begin DO UPDATE of UPSERT
18 IdxRowid 3 21 0 0 r[21]=rowid
19 SeekRowid 0 0 21 0 intkey=r[21]
20 Null 0 34 35 0 r[34..35]=NULL
21 Noop 4 0 34 0
22 Rowid 0 35 0 0 r[35]=[P2]=PX rowid of P1
23 SCopy 2 36 0 0 r[36]=r[2]
24 SCopy 3 37 0 0 r[37]=r[3]
25 SCopy 4 38 0 0 r[38]=r[4]
26 Column 0 3 39 0 r[39]=t1.z
27 Affinity 36 4 0 DDDD 0 affinity(r[36..39])
28 Noop 0 0 0 0 prep index i1zyx
29 SCopy 39 23 0 0 r[23]=r[39]; z
30 SCopy 38 24 0 0 r[24]=r[38]; y
31 SCopy 37 25 0 0 r[25]=r[37]; x
32 IntCopy 35 26 0 0 r[26]=r[35]; rowid
33 MakeRecord 23 4 22 0 r[22]=mkrec(r[23..26]); for i1zyx
34 Noop 0 0 0 0 prep index i1xy
35 SCopy 37 28 0 0 r[28]=r[37]; x
36 SCopy 38 29 0 0 r[29]=r[38]; y
37 IntCopy 35 30 0 0 r[30]=r[35]; rowid
38 MakeRecord 28 3 27 0 r[27]=mkrec(r[28..30]); for i1xy
39 Noop 0 0 0 0 prep index i1w
40 SCopy 36 32 0 0 r[32]=r[36]; w
41 IntCopy 35 33 0 0 r[33]=r[35]; rowid
42 MakeRecord 32 2 31 0 r[31]=mkrec(r[32..33]); for i1w
43 NoConflict 3 47 32 1 0 key=r[32]
44 IdxRowid 3 21 0 0 r[21]=rowid
45 Eq 21 47 35 144 if r[35]==r[21] goto 47
46 Halt 2067 2 0 t1.w 2
47 MakeRecord 36 4 34 0 r[34]=mkrec(r[36..39])
48 Column 0 3 40 0 r[40]=t1.z
49 Column 0 2 41 0 r[41]=t1.y
50 Column 0 1 42 0 r[42]=t1.x
51 Rowid 0 43 0 0 r[43]=t1.rowid
52 IdxDelete 1 40 4 1 key=r[40..43]
53 Column 0 1 40 0 r[40]=t1.x
54 Rowid 0 42 0 0 r[42]=t1.rowid
55 IdxDelete 2 40 3 1 key=r[40..42]
56 Column 0 0 40 0 r[40]=t1.w
57 Rowid 0 41 0 0 r[41]=t1.rowid
58 IdxDelete 3 40 2 1 key=r[40..41]
59 IdxInsert 1 22 23 4 0 key=r[22]
60 IdxInsert 2 27 28 3 0 key=r[27]
61 IdxInsert 3 31 32 2 0 key=r[31]
62 Insert 0 34 35 t1 5 intkey=r[35] data=r[34]
63 Noop 0 0 0 0 End DO UPDATE of UPSERT
64 Goto 0 82 0 0
65 Noop 0 0 0 0 prep index i1zyx
66 SCopy 5 8 0 0 r[8]=r[5]; z
67 SCopy 4 9 0 0 r[9]=r[4]; y
68 SCopy 3 10 0 0 r[10]=r[3]; x
69 IntCopy 1 11 0 0 r[11]=r[1]; rowid
70 MakeRecord 8 4 7 0 r[7]=mkrec(r[8..11]); for i1zyx
71 Noop 0 0 0 0 prep index i1xy
72 SCopy 3 13 0 0 r[13]=r[3]; x
73 SCopy 4 14 0 0 r[14]=r[4]; y
74 IntCopy 1 15 0 0 r[15]=r[1]; rowid
75 MakeRecord 13 3 12 0 r[12]=mkrec(r[13..15]); for i1xy
76 MakeRecord 2 4 19 0 r[19]=mkrec(r[2..5])
77 IdxInsert 1 7 8 4 16 key=r[7]
78 IdxInsert 2 12 13 3 16 key=r[12]
79 IdxInsert 3 16 17 2 16 key=r[16]
80 Insert 0 19 1 t1 57 intkey=r[1] data=r[19]
81 AddImm 6 1 0 0 r[6]=r[6]+1
82 FkCheck 0 0 0 0
83 ResultRow 6 1 0 0 output=r[6]
84 Halt 0 0 0 0
85 Transaction 0 1 4 0 1 usesStmtJournal=0
86 Goto 0 1 0 0
1
QUERY PLAN
`--SCAN t1 USING COVERING INDEX i1w
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 7 0 0 Start at 7
1 OpenRead 1 3 0 k(2,,) 0 root=3 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 4 0 1 usesStmtJournal=0
8 Goto 0 1 0 0
2
QUERY PLAN
`--SCAN t1 USING COVERING INDEX i1zyx
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 11 0 0 Start at 11
1 Null 0 1 2 0 r[1..2]=NULL
2 OpenRead 1 5 0 k(4,,,,) 0 root=5 iDb=0; i1zyx
3 Rewind 1 7 3 0 0
4 Column 1 0 3 0 r[3]=t1.z
5 AggStep 0 3 1 sum(1) 1 accum=r[1] step(r[3])
6 Next 1 4 0 1
7 AggFinal 1 1 0 sum(1) 0 accum=r[1] N=1
8 Copy 1 4 0 0 r[4]=r[1]
9 ResultRow 4 1 0 0 output=r[4]
10 Halt 0 0 0 0
11 Transaction 0 0 4 0 1 usesStmtJournal=0
12 Goto 0 1 0 0
1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 49 0 0 Start at 49
1 Integer 0 6 0 0 r[6]=0
2 OpenWrite 0 2 0 4 0 root=2 iDb=0; t1
3 OpenWrite 1 5 0 k(4,,,,) 0 root=5 iDb=0; i1zyx
4 OpenWrite 2 4 0 k(3,,,) 0 root=4 iDb=0; i1xy
5 OpenWrite 3 3 0 k(2,,) 0 root=3 iDb=0; i1w
6 Null 0 2 0 0 r[2]=NULL
7 String8 0 3 0 0 r[3]=''
8 String8 0 4 0 0 r[4]=''
9 String8 0 5 0 0 r[5]=''
10 NewRowid 0 1 0 0 r[1]=rowid
11 Affinity 2 4 0 DDDD 0 affinity(r[2..5])
12 Noop 0 0 0 0 prep index i1zyx
13 SCopy 5 8 0 0 r[8]=r[5]; z
14 SCopy 4 9 0 0 r[9]=r[4]; y
15 SCopy 3 10 0 0 r[10]=r[3]; x
16 IntCopy 1 11 0 0 r[11]=r[1]; rowid
17 MakeRecord 8 4 7 0 r[7]=mkrec(r[8..11]); for i1zyx
18 Noop 0 0 0 0 prep index i1xy
19 SCopy 3 13 0 0 r[13]=r[3]; x
20 SCopy 4 14 0 0 r[14]=r[4]; y
21 IntCopy 1 15 0 0 r[15]=r[1]; rowid
22 MakeRecord 13 3 12 0 r[12]=mkrec(r[13..15]); for i1xy
23 Noop 0 0 0 0 prep index i1w
24 SCopy 2 17 0 0 r[17]=r[2]; w
25 IntCopy 1 18 0 0 r[18]=r[1]; rowid
26 MakeRecord 17 2 16 0 r[16]=mkrec(r[17..18]); for i1w
27 NoConflict 3 40 17 1 0 key=r[17]
28 IdxRowid 3 20 0 0 r[20]=rowid
29 NotExists 0 40 20 1 0 intkey=r[20]
30 Column 0 3 21 0 r[21]=t1.z
31 Column 0 2 22 0 r[22]=t1.y
32 Column 0 1 23 0 r[23]=t1.x
33 Rowid 0 24 0 0 r[24]=t1.rowid
34 IdxDelete 1 21 4 1 key=r[21..24]
35 Column 0 1 21 0 r[21]=t1.x
36 Rowid 0 23 0 0 r[23]=t1.rowid
37 IdxDelete 2 21 3 1 key=r[21..23]
38 Delete 0 0 0 t1 0
39 Delete 3 0 0 0
40 MakeRecord 2 4 19 0 r[19]=mkrec(r[2..5])
41 IdxInsert 1 7 8 4 16 key=r[7]
42 IdxInsert 2 12 13 3 16 key=r[12]
43 IdxInsert 3 16 17 2 16 key=r[16]
44 Insert 0 19 1 t1 57 intkey=r[1] data=r[19]
45 AddImm 6 1 0 0 r[6]=r[6]+1
46 FkCheck 0 0 0 0
47 ResultRow 6 1 0 0 output=r[6]
48 Halt 0 0 0 0
49 Transaction 0 1 4 0 1 usesStmtJournal=0
50 Goto 0 1 0 0
1
Expectation
analysis_limit
application_id
auto_vacuum
automatic_index
busy_timeout
cache_size
cache_spill
case_sensitive_like
cell_size_check
checkpoint_fullfsync
collation_list
compile_options
count_changes
data_version
database_list
default_cache_size
defer_foreign_keys
empty_result_callbacks
encoding
foreign_key_check
foreign_key_list
foreign_keys
freelist_count
full_column_names
fullfsync
function_list
hard_heap_limit
ignore_check_constraints
incremental_vacuum
index_info
index_list
index_xinfo
integrity_check
journal_mode
journal_size_limit
legacy_alter_table
locking_mode
max_page_count
mmap_size
module_list
optimize
page_count
page_size
pragma_list
query_only
quick_check
read_uncommitted
recursive_triggers
reverse_unordered_selects
schema_version
secure_delete
short_column_names
shrink_memory
soft_heap_limit
synchronous
table_info
table_list
table_xinfo
temp_store
temp_store_directory
threads
trusted_schema
user_version
wal_autocheckpoint
wal_checkpoint
writable_schema
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 3 0 0 Start at 3
1 AutoCommit 0 0 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 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(w int, x int, y int, z int) 0 r[10]='CREATE TABLE t1(w int, x int, y int, z int)'
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 36 0 0 Start at 36
1 Noop 0 35 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 i1w 0 r[4]='i1w'
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 i1w ON t1(w) 0 r[7]='CREATE UNIQUE INDEX i1w ON t1(w)'
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 4 0 root=2 iDb=0; t1
14 Rewind 1 20 0 0
15 Column 1 0 10 0 r[10]= cursor 1 column 0
16 Rowid 1 11 0 0 r[11]=t1.rowid
17 MakeRecord 10 2 9 0 r[9]=mkrec(r[10..11])
18 SorterInsert 3 9 0 0 key=r[9]
19 Next 1 15 0 0
20 OpenWrite 2 1 0 k(2,,) 17 root=1 iDb=0
21 SorterSort 3 29 0 0
22 Goto 0 25 0 0
23 SorterCompare 3 22 9 1 0 if key(3)!=trim(r[9],1) goto 22
24 Halt 2067 2 0 t1.w 2
25 SorterData 3 9 2 0 r[9]=data
26 SeekEnd 2 0 0 0
27 IdxInsert 2 9 0 16 key=r[9]
28 SorterNext 3 23 0 0
29 Close 1 0 0 0
30 Close 2 0 0 0
31 Close 3 0 0 0
32 SetCookie 0 1 2 0
33 ParseSchema 0 0 0 name='i1w' AND type='index' 0
34 Expire 0 1 0 0
35 Halt 0 0 0 0
36 Transaction 0 1 1 0 1 usesStmtJournal=1
37 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 34 0 0 Start at 34
1 Noop 0 33 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 i1xy 0 r[4]='i1xy'
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 INDEX i1xy ON t1(x,y) 0 r[7]='CREATE INDEX i1xy ON t1(x,y)'
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 2 k(3,,,) 0
13 OpenRead 1 2 0 4 0 root=2 iDb=0; t1
14 Rewind 1 21 0 0
15 Column 1 1 10 0 r[10]= cursor 1 column 1
16 Column 1 2 11 0 r[11]= cursor 1 column 2
17 Rowid 1 12 0 0 r[12]=t1.rowid
18 MakeRecord 10 3 9 0 r[9]=mkrec(r[10..12])
19 SorterInsert 3 9 0 0 key=r[9]
20 Next 1 15 0 0
21 OpenWrite 2 1 0 k(3,,,) 17 root=1 iDb=0
22 SorterSort 3 27 0 0
23 SorterData 3 9 2 0 r[9]=data
24 SeekEnd 2 0 0 0
25 IdxInsert 2 9 0 16 key=r[9]
26 SorterNext 3 23 0 0
27 Close 1 0 0 0
28 Close 2 0 0 0
29 Close 3 0 0 0
30 SetCookie 0 1 3 0
31 ParseSchema 0 0 0 name='i1xy' AND type='index' 0
32 Expire 0 1 0 0
33 Halt 0 0 0 0
34 Transaction 0 1 2 0 1 usesStmtJournal=1
35 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 35 0 0 Start at 35
1 Noop 0 34 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 i1zyx 0 r[4]='i1zyx'
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 INDEX i1zyx ON t1(z,y,x) 0 r[7]='CREATE INDEX i1zyx ON t1(z,y,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 3 k(4,,,,) 0
13 OpenRead 1 2 0 4 0 root=2 iDb=0; t1
14 Rewind 1 22 0 0
15 Column 1 3 10 0 r[10]= cursor 1 column 3
16 Column 1 2 11 0 r[11]= cursor 1 column 2
17 Column 1 1 12 0 r[12]= cursor 1 column 1
18 Rowid 1 13 0 0 r[13]=t1.rowid
19 MakeRecord 10 4 9 0 r[9]=mkrec(r[10..13])
20 SorterInsert 3 9 0 0 key=r[9]
21 Next 1 15 0 0
22 OpenWrite 2 1 0 k(4,,,,) 17 root=1 iDb=0
23 SorterSort 3 28 0 0
24 SorterData 3 9 2 0 r[9]=data
25 SeekEnd 2 0 0 0
26 IdxInsert 2 9 0 16 key=r[9]
27 SorterNext 3 24 0 0
28 Close 1 0 0 0
29 Close 2 0 0 0
30 Close 3 0 0 0
31 SetCookie 0 1 4 0
32 ParseSchema 0 0 0 name='i1zyx' AND type='index' 0
33 Expire 0 1 0 0
34 Halt 0 0 0 0
35 Transaction 0 1 3 0 1 usesStmtJournal=1
36 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
|--SEARCH t1 USING INDEX i1w (w>? AND w<?)
`--USE TEMP B-TREE FOR ORDER BY
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 29 0 0 Start at 29
1 SorterOpen 1 6 0 k(1,B) 0
2 OpenRead 0 2 0 4 0 root=2 iDb=0; t1
3 OpenRead 2 3 0 k(2,,) 0 root=3 iDb=0; i1w
4 Explain 4 0 164 SEARCH t1 USING INDEX i1w (w>? AND w<?) 0
5 Integer 5 1 0 0 r[1]=5
6 SeekGE 2 18 1 1 0 key=r[1]
7 Integer 6 1 0 0 r[1]=6
8 IdxGT 2 18 1 1 0 key=r[1]
9 DeferredSeek 2 0 0 0 Move 0 to 2.rowid if needed
10 Column 2 0 3 0 r[3]= cursor 2 column 0
11 Column 0 1 4 0 r[4]= cursor 0 column 1
12 Column 0 2 5 0 r[5]= cursor 0 column 2
13 Column 0 3 6 0 r[6]= cursor 0 column 3
14 Column 2 0 2 0 r[2]= cursor 2 column 0
15 MakeRecord 2 5 7 0 r[7]=mkrec(r[2..6])
16 SorterInsert 1 7 2 5 0 key=r[7]
17 Next 2 8 0 0
18 Explain 18 0 0 USE TEMP B-TREE FOR ORDER BY 0
19 OpenPseudo 3 8 6 0 6 columns in r[8]
20 SorterSort 1 28 0 0
21 SorterData 1 8 3 0 r[8]=data
22 Column 3 4 6 0 r[6]=z
23 Column 3 3 5 0 r[5]=y
24 Column 3 2 4 0 r[4]=x
25 Column 3 1 3 0 r[3]=w
26 ResultRow 3 4 0 0 output=r[3..6]
27 SorterNext 1 21 0 0
28 Halt 0 0 0 0
29 Transaction 0 0 4 0 1 usesStmtJournal=0
30 Goto 0 1 0 0
QUERY PLAN
|--SCAN t1
`--USE TEMP B-TREE FOR ORDER BY
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 29 0 0 Start at 29
1 SorterOpen 1 6 0 k(1,B) 0
2 OpenRead 0 2 0 4 0 root=2 iDb=0; t1
3 Explain 3 0 216 SCAN t1 0
4 Rewind 0 18 0 0
5 Column 0 0 1 0 r[1]= cursor 0 column 0
6 Lt 3 17 1 BINARY-8 80 if r[1]<r[3] goto 17
7 Column 0 2 5 0 r[5]= cursor 0 column 2
8 Subtract 5 4 2 0 r[2]=r[4]-r[5]
9 Gt 2 17 1 BINARY-8 80 if r[1]>r[2] goto 17
10 Column 0 0 7 0 r[7]= cursor 0 column 0
11 Column 0 1 8 0 r[8]= cursor 0 column 1
12 Column 0 2 9 0 r[9]= cursor 0 column 2
13 Column 0 3 10 0 r[10]= cursor 0 column 3
14 Column 0 0 6 0 r[6]= cursor 0 column 0
15 MakeRecord 6 5 11 0 r[11]=mkrec(r[6..10])
16 SorterInsert 1 11 6 5 0 key=r[11]
17 Next 0 5 0 1
18 Explain 18 0 0 USE TEMP B-TREE FOR ORDER BY 0
19 OpenPseudo 2 12 6 0 6 columns in r[12]
20 SorterSort 1 28 0 0
21 SorterData 1 12 2 0 r[12]=data
22 Column 2 4 10 0 r[10]=z
23 Column 2 3 9 0 r[9]=y
24 Column 2 2 8 0 r[8]=x
25 Column 2 1 7 0 r[7]=w
26 ResultRow 7 4 0 0 output=r[7..10]
27 SorterNext 1 21 0 0
28 Halt 0 0 0 0
29 Transaction 0 0 4 0 1 usesStmtJournal=0
30 Integer 5 3 0 0 r[3]=5
31 Integer 65 4 0 0 r[4]=65
32 Goto 0 1 0 0
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 34 0 0 Start at 34
1 Integer 0 6 0 0 r[6]=0
2 OpenWrite 0 2 0 4 0 root=2 iDb=0; t1
3 OpenWrite 1 5 0 k(4,,,,) 0 root=5 iDb=0; i1zyx
4 OpenWrite 2 4 0 k(3,,,) 0 root=4 iDb=0; i1xy
5 OpenWrite 3 3 0 k(2,,) 0 root=3 iDb=0; i1w
6 NewRowid 0 1 0 0 r[1]=rowid
7 Affinity 2 4 0 DDDD 0 affinity(r[2..5])
8 Noop 0 0 0 0 prep index i1zyx
9 SCopy 5 8 0 0 r[8]=r[5]; z
10 SCopy 4 9 0 0 r[9]=r[4]; y
11 SCopy 3 10 0 0 r[10]=r[3]; x
12 IntCopy 1 11 0 0 r[11]=r[1]; rowid
13 MakeRecord 8 4 7 0 r[7]=mkrec(r[8..11]); for i1zyx
14 Noop 0 0 0 0 prep index i1xy
15 SCopy 3 13 0 0 r[13]=r[3]; x
16 SCopy 4 14 0 0 r[14]=r[4]; y
17 IntCopy 1 15 0 0 r[15]=r[1]; rowid
18 MakeRecord 13 3 12 0 r[12]=mkrec(r[13..15]); for i1xy
19 Noop 0 0 0 0 prep index i1w
20 SCopy 2 17 0 0 r[17]=r[2]; w
21 IntCopy 1 18 0 0 r[18]=r[1]; rowid
22 MakeRecord 17 2 16 0 r[16]=mkrec(r[17..18]); for i1w
23 NoConflict 3 25 17 1 0 key=r[17]
24 Halt 2067 2 0 t1.w 2
25 MakeRecord 2 4 19 0 r[19]=mkrec(r[2..5])
26 IdxInsert 1 7 8 4 16 key=r[7]
27 IdxInsert 2 12 13 3 16 key=r[12]
28 IdxInsert 3 16 17 2 16 key=r[16]
29 Insert 0 19 1 t1 57 intkey=r[1] data=r[19]
30 AddImm 6 1 0 0 r[6]=r[6]+1
31 FkCheck 0 0 0 0
32 ResultRow 6 1 0 0 output=r[6]
33 Halt 0 0 0 0
34 Transaction 0 1 4 0 1 usesStmtJournal=0
35 Null 0 2 0 0 r[2]=NULL
36 Null 0 3 0 0 r[3]=NULL
37 Null 0 4 0 0 r[4]=NULL
38 Null 0 5 0 0 r[5]=NULL
39 Goto 0 1 0 0
1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 85 0 0 Start at 85
1 Integer 0 6 0 0 r[6]=0
2 OpenWrite 0 2 0 4 0 root=2 iDb=0; t1
3 OpenWrite 1 5 0 k(4,,,,) 0 root=5 iDb=0; i1zyx
4 OpenWrite 2 4 0 k(3,,,) 0 root=4 iDb=0; i1xy
5 OpenWrite 3 3 0 k(2,,) 0 root=3 iDb=0; i1w
6 Integer 1 2 0 0 r[2]=1
7 String8 0 3 0 x 0 r[3]='x'
8 String8 0 4 0 x 0 r[4]='x'
9 Integer 1 5 0 0 r[5]=1
10 NewRowid 0 1 0 0 r[1]=rowid
11 Affinity 2 4 0 DDDD 0 affinity(r[2..5])
12 Noop 0 0 0 0 prep index i1w
13 SCopy 2 17 0 0 r[17]=r[2]; w
14 IntCopy 1 18 0 0 r[18]=r[1]; rowid
15 MakeRecord 17 2 16 0 r[16]=mkrec(r[17..18]); for i1w
16 NoConflict 3 65 17 1 0 key=r[17]
17 Noop 0 0 0 0 Begin DO UPDATE of UPSERT
18 IdxRowid 3 21 0 0 r[21]=rowid
19 SeekRowid 0 0 21 0 intkey=r[21]
20 Null 0 34 35 0 r[34..35]=NULL
21 Noop 4 0 34 0
22 Rowid 0 35 0 0 r[35]= rowid of 0
23 Copy 2 36 0 0 r[36]=r[2]
24 Copy 3 37 0 0 r[37]=r[3]
25 Copy 4 38 0 0 r[38]=r[4]
26 Column 0 3 39 0 r[39]= cursor 0 column 3
27 Affinity 36 4 0 DDDD 0 affinity(r[36..39])
28 Noop 0 0 0 0 prep index i1zyx
29 SCopy 39 23 0 0 r[23]=r[39]; z
30 SCopy 38 24 0 0 r[24]=r[38]; y
31 SCopy 37 25 0 0 r[25]=r[37]; x
32 IntCopy 35 26 0 0 r[26]=r[35]; rowid
33 MakeRecord 23 4 22 0 r[22]=mkrec(r[23..26]); for i1zyx
34 Noop 0 0 0 0 prep index i1xy
35 SCopy 37 28 0 0 r[28]=r[37]; x
36 SCopy 38 29 0 0 r[29]=r[38]; y
37 IntCopy 35 30 0 0 r[30]=r[35]; rowid
38 MakeRecord 28 3 27 0 r[27]=mkrec(r[28..30]); for i1xy
39 Noop 0 0 0 0 prep index i1w
40 SCopy 36 32 0 0 r[32]=r[36]; w
41 IntCopy 35 33 0 0 r[33]=r[35]; rowid
42 MakeRecord 32 2 31 0 r[31]=mkrec(r[32..33]); for i1w
43 NoConflict 3 47 32 1 0 key=r[32]
44 IdxRowid 3 21 0 0 r[21]=rowid
45 Eq 21 47 35 144 if r[35]==r[21] goto 47
46 Halt 2067 2 0 t1.w 2
47 MakeRecord 36 4 34 0 r[34]=mkrec(r[36..39])
48 Column 0 3 40 0 r[40]= cursor 0 column 3
49 Column 0 2 41 0 r[41]= cursor 0 column 2
50 Column 0 1 42 0 r[42]= cursor 0 column 1
51 Rowid 0 43 0 0 r[43]=t1.rowid
52 IdxDelete 1 40 4 1 key=r[40..43]
53 Column 0 1 40 0 r[40]= cursor 0 column 1
54 Rowid 0 42 0 0 r[42]=t1.rowid
55 IdxDelete 2 40 3 1 key=r[40..42]
56 Column 0 0 40 0 r[40]= cursor 0 column 0
57 Rowid 0 41 0 0 r[41]=t1.rowid
58 IdxDelete 3 40 2 1 key=r[40..41]
59 IdxInsert 1 22 23 4 0 key=r[22]
60 IdxInsert 2 27 28 3 0 key=r[27]
61 IdxInsert 3 31 32 2 0 key=r[31]
62 Insert 0 34 35 t1 5 intkey=r[35] data=r[34]
63 Noop 0 0 0 0 End DO UPDATE of UPSERT
64 Goto 0 82 0 0
65 Noop 0 0 0 0 prep index i1zyx
66 SCopy 5 8 0 0 r[8]=r[5]; z
67 SCopy 4 9 0 0 r[9]=r[4]; y
68 SCopy 3 10 0 0 r[10]=r[3]; x
69 IntCopy 1 11 0 0 r[11]=r[1]; rowid
70 MakeRecord 8 4 7 0 r[7]=mkrec(r[8..11]); for i1zyx
71 Noop 0 0 0 0 prep index i1xy
72 SCopy 3 13 0 0 r[13]=r[3]; x
73 SCopy 4 14 0 0 r[14]=r[4]; y
74 IntCopy 1 15 0 0 r[15]=r[1]; rowid
75 MakeRecord 13 3 12 0 r[12]=mkrec(r[13..15]); for i1xy
76 MakeRecord 2 4 19 0 r[19]=mkrec(r[2..5])
77 IdxInsert 1 7 8 4 16 key=r[7]
78 IdxInsert 2 12 13 3 16 key=r[12]
79 IdxInsert 3 16 17 2 16 key=r[16]
80 Insert 0 19 1 t1 57 intkey=r[1] data=r[19]
81 AddImm 6 1 0 0 r[6]=r[6]+1
82 FkCheck 0 0 0 0
83 ResultRow 6 1 0 0 output=r[6]
84 Halt 0 0 0 0
85 Transaction 0 1 4 0 1 usesStmtJournal=0
86 Goto 0 1 0 0
1
QUERY PLAN
`--SCAN t1 USING COVERING INDEX i1w
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 8 0 0 Start at 8
1 OpenRead 1 3 0 k(2,,) 0 root=3 iDb=0
2 Count 1 1 0 0 r[1]=count()
3 Close 1 0 0 0
4 Explain 4 0 0 SCAN t1 USING COVERING INDEX i1w 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 4 0 1 usesStmtJournal=0
9 Goto 0 1 0 0
2
QUERY PLAN
`--SCAN t1 USING COVERING INDEX i1zyx
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 12 0 0 Start at 12
1 Null 0 1 2 0 r[1..2]=NULL
2 OpenRead 1 5 0 k(4,,,,) 0 root=5 iDb=0; i1zyx
3 Explain 3 0 214 SCAN t1 USING COVERING INDEX i1zyx 0
4 Rewind 1 8 3 0 0
5 Column 1 0 3 0 r[3]= cursor 1 column 0
6 AggStep 0 3 2 sum(1) 1 accum=r[2] step(r[3])
7 Next 1 5 0 1
8 AggFinal 2 1 0 sum(1) 0 accum=r[2] N=1
9 Copy 2 4 0 0 r[4]=r[2]
10 ResultRow 4 1 0 0 output=r[4]
11 Halt 0 0 0 0
12 Transaction 0 0 4 0 1 usesStmtJournal=0
13 Goto 0 1 0 0
1
addr opcode p1 p2 p3 p4 p5 comment
---- ------------- ---- ---- ---- ------------- -- -------------
0 Init 0 49 0 0 Start at 49
1 Integer 0 6 0 0 r[6]=0
2 OpenWrite 0 2 0 4 0 root=2 iDb=0; t1
3 OpenWrite 1 5 0 k(4,,,,) 0 root=5 iDb=0; i1zyx
4 OpenWrite 2 4 0 k(3,,,) 0 root=4 iDb=0; i1xy
5 OpenWrite 3 3 0 k(2,,) 0 root=3 iDb=0; i1w
6 Null 0 2 0 0 r[2]=NULL
7 String8 0 3 0 0 r[3]=''
8 String8 0 4 0 0 r[4]=''
9 String8 0 5 0 0 r[5]=''
10 NewRowid 0 1 0 0 r[1]=rowid
11 Affinity 2 4 0 DDDD 0 affinity(r[2..5])
12 Noop 0 0 0 0 prep index i1zyx
13 SCopy 5 8 0 0 r[8]=r[5]; z
14 SCopy 4 9 0 0 r[9]=r[4]; y
15 SCopy 3 10 0 0 r[10]=r[3]; x
16 IntCopy 1 11 0 0 r[11]=r[1]; rowid
17 MakeRecord 8 4 7 0 r[7]=mkrec(r[8..11]); for i1zyx
18 Noop 0 0 0 0 prep index i1xy
19 SCopy 3 13 0 0 r[13]=r[3]; x
20 SCopy 4 14 0 0 r[14]=r[4]; y
21 IntCopy 1 15 0 0 r[15]=r[1]; rowid
22 MakeRecord 13 3 12 0 r[12]=mkrec(r[13..15]); for i1xy
23 Noop 0 0 0 0 prep index i1w
24 SCopy 2 17 0 0 r[17]=r[2]; w
25 IntCopy 1 18 0 0 r[18]=r[1]; rowid
26 MakeRecord 17 2 16 0 r[16]=mkrec(r[17..18]); for i1w
27 NoConflict 3 40 17 1 0 key=r[17]
28 IdxRowid 3 20 0 0 r[20]=rowid
29 NotExists 0 40 20 1 0 intkey=r[20]
30 Column 0 3 21 0 r[21]= cursor 0 column 3
31 Column 0 2 22 0 r[22]= cursor 0 column 2
32 Column 0 1 23 0 r[23]= cursor 0 column 1
33 Rowid 0 24 0 0 r[24]=t1.rowid
34 IdxDelete 1 21 4 1 key=r[21..24]
35 Column 0 1 21 0 r[21]= cursor 0 column 1
36 Rowid 0 23 0 0 r[23]=t1.rowid
37 IdxDelete 2 21 3 1 key=r[21..23]
38 Delete 0 0 0 t1 0
39 Delete 3 0 0 0
40 MakeRecord 2 4 19 0 r[19]=mkrec(r[2..5])
41 IdxInsert 1 7 8 4 16 key=r[7]
42 IdxInsert 2 12 13 3 16 key=r[12]
43 IdxInsert 3 16 17 2 16 key=r[16]
44 Insert 0 19 1 t1 57 intkey=r[1] data=r[19]
45 AddImm 6 1 0 0 r[6]=r[6]+1
46 FkCheck 0 0 0 0
47 ResultRow 6 1 0 0 output=r[6]
48 Halt 0 0 0 0
49 Transaction 0 1 4 0 1 usesStmtJournal=0
50 Goto 0 1 0 0
1
Flag