8.4 KiB
8.4 KiB
Summary
**No review yet**Minimized query
.schema !@#$%^&*()qwertyuiop[]\{}|asdfghjkl;':"zxcvbnm,./<>?
CREATE TABLE T (
a TEXT,
b REAL
);
INSERT INTO T VALUES ('a',jsonb_array()), ('b',-nullif(NULL, NULL)), ('c',9e999);
SELECT a,b,
LEAD(b,1) OVER (ORDER BY b DESC) AS c,
NTILE(2) OVER (ORDER BY b DESC) AS d FROM T;
INSERT OR ROLLBACK INTO T VALUES (NULL, '');
SELECT AVG(a) FROM T;
CREATE UNIQUE INDEX IF NOT EXISTS idx_T_1267 ON T(b) WHERE /* ifnull({v}, 'fallback') */ b > (0 + 0.0);
CREATE INDEX IF NOT EXISTS idx_T_1060 ON T(a) WHERE a IS NOT NULL;
Actual output
Memory Used: 85904 (max 95440) bytes
Number of Outstanding Allocations: 338 (max 399)
Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 76 (max 123)
Successful lookaside attempts: 591
Lookaside failures due to size: 10
Lookaside failures due to OOM: 367
Pager Heap Usage: 13592 bytes
Page cache hits: 6
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 1024 bytes
Statement Heap/Lookaside Usage: 2400 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 30
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2400
Bytes received by read(): 7086
Bytes sent to write(): 0
Read() system calls: 14
Write() system calls: 0
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
Memory Used: 92280 (max 294688) bytes
Number of Outstanding Allocations: 351 (max 399)
Number of Pcache Overflow Bytes: 16928 (max 33344) bytes
Largest Allocation: 87200 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 87 (max 123)
Successful lookaside attempts: 686
Lookaside failures due to size: 12
Lookaside failures due to OOM: 432
Pager Heap Usage: 13592 bytes
Page cache hits: 2
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 1024 bytes
Statement Heap/Lookaside Usage: 13312 bytes
Fullscan Steps: 0
Sort Operations: 1
Autoindex Inserts: 0
Virtual Machine Steps: 36
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 13312
Bytes received by read(): 7180
Bytes sent to write(): 1463
Read() system calls: 16
Write() system calls: 3
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
Memory Used: 83528 (max 294688) bytes
Number of Outstanding Allocations: 327 (max 399)
Number of Pcache Overflow Bytes: 16928 (max 33344) bytes
Largest Allocation: 87200 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 83 (max 123)
Successful lookaside attempts: 704
Lookaside failures due to size: 12
Lookaside failures due to OOM: 432
Pager Heap Usage: 13592 bytes
Page cache hits: 2
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 1048 bytes
Statement Heap/Lookaside Usage: 3040 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 10
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 3040
Bytes received by read(): 7277
Bytes sent to write(): 2766
Read() system calls: 18
Write() system calls: 4
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
Memory Used: 83528 (max 294688) bytes
Number of Outstanding Allocations: 327 (max 399)
Number of Pcache Overflow Bytes: 16928 (max 33344) bytes
Largest Allocation: 87200 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 85 (max 123)
Successful lookaside attempts: 731
Lookaside failures due to size: 12
Lookaside failures due to OOM: 432
Pager Heap Usage: 13592 bytes
Page cache hits: 2
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 1048 bytes
Statement Heap/Lookaside Usage: 3296 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 13
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 3296
Bytes received by read(): 7374
Bytes sent to write(): 4067
Read() system calls: 20
Write() system calls: 5
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
Memory Used: 92416 (max 294688) bytes
Number of Outstanding Allocations: 354 (max 399)
Number of Pcache Overflow Bytes: 21288 (max 33344) bytes
Largest Allocation: 87200 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 76 (max 123)
Successful lookaside attempts: 796
Lookaside failures due to size: 12
Lookaside failures due to OOM: 448
Pager Heap Usage: 17936 bytes
Page cache hits: 5
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 1640 bytes
Statement Heap/Lookaside Usage: 3872 bytes
Fullscan Steps: 0
Sort Operations: 1
Autoindex Inserts: 0
Virtual Machine Steps: 43
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 3872
Bytes received by read(): 7471
Bytes sent to write(): 5369
Read() system calls: 22
Write() system calls: 6
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
Memory Used: 96952 (max 294688) bytes
Number of Outstanding Allocations: 357 (max 399)
Number of Pcache Overflow Bytes: 25648 (max 33344) bytes
Largest Allocation: 87200 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 76 (max 123)
Successful lookaside attempts: 861
Lookaside failures due to size: 12
Lookaside failures due to OOM: 461
Pager Heap Usage: 22280 bytes
Page cache hits: 4
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 2000 bytes
Statement Heap/Lookaside Usage: 3680 bytes
Fullscan Steps: 0
Sort Operations: 1
Autoindex Inserts: 0
Virtual Machine Steps: 29
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 3680
Bytes received by read(): 7568
Bytes sent to write(): 6670
Read() system calls: 25
Write() system calls: 7
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
Expectation
Flag
-stats