780 lines
31 KiB
Markdown
780 lines
31 KiB
Markdown
## Summary
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<!--Explain briefly what goes wrong and explain why you believe this is a bug and not the intended behavior of SQLite (if it is not a crash).-->**No review yet**
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## Minimized query
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```sql
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
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-- like('%{v}', {v})
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INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
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INSERT INTO t1 VALUES (2, 'von', 20, 200);
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CREATE TABLE T (
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a INTEGER,
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b TEXT,
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c INTEGER
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);
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INSERT INTO T VALUES (1,'a',NULL), (2,'b',1), (3,'c',2);
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WITH RECURSIVE d(a,b,c,e) AS (
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SELECT *,1 FROM T WHERE c IS NULL
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UNION ALL
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SELECT T.a,T.b,T.c,d.e+1
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FROM T JOIN d ON T.c=d.a
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)
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SELECT * FROM d;
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INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
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CREATE INDEX t1bc ON t1(b, c);
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PRAGMA writable_schema = ON;
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.imposter t1bc t2
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SELECT * FROM t2;
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SELECT b, c FROM t1 ORDER BY b, c;
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.quit
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ATTACH DATABASE (':memory:' || '') AS aux99;
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PRAGMA foreign_key_check;
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.output blablabla.whatever
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BEGIN DEFERRED;
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CREATE TABLE [T] (
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a SMALLINT,
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b REAL,
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c REAL
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);
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INSERT INTO T VALUES (length(randomblob(CAST(10 AS UNSIGNED BIG INT))),2.0,10.5), (1,-3.5,20.25), (2,9e999,-1.0);
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WITH d AS (SELECT a,SUM(b*c) AS e FROM T GROUP BY a) SELECT * FROM d;
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SELECT * FROM T NATURAL JOIN T;
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INSERT INTO T SELECT * FROM T;
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SELECT * FROM T;
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PRAGMA case_sensitive_like = ON;
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CREATE TEMPORARY VIEW IF NOT EXISTS v_T_8230 AS SELECT a FROM T;
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DROP /* json_remove({v}) */ INDEX IF EXISTS T;
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SELECT * FROM T WHERE NOT NOT (NOT NOT (EXISTS (SELECT 1 FROM T WHERE 1 = 0))) ;
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INSERT INTO T DEFAULT VALUES;
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ALTER TABLE T RENAME TO T_r7824;
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ROLLBACK;
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VACUUM main;
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PRAGMA cache_spill = 0;
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DETACH DATABASE aux99;
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ANALYZE t1;
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UPDATE t1 SET a = 'x' WHERE a IS NOT NULL;
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CREATE TEMP VIEW IF NOT EXISTS v_t1_4811 AS SELECT d FROM t1;
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SELECT * FROM t1 WHERE b IN (SELECT b FROM t1 WHERE b IS NOT NULL);
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DROP INDEX IF EXISTS t1; /* concat('a', 'b', 'c') */ SELECT * FROM t1 WHERE d = ANY (SELECT d FROM t1);
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ALTER TABLE t1 ADD COLUMN extra_6667 NUMERIC DEFAULT (abs(random()) % 1000);
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SELECT * FROM t1;
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DELETE FROM T WHERE a > (SELECT AVG(a) FROM T) RETURNING *;
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ALTER TABLE t1 ADD COLUMN extra_7384 DATETIME DEFAULT NULL;
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PRAGMA vdbe_debug = TRUE;
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INSERT INTO t1 VALUES (1, 1, 'x', NULL) ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c;
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```
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## Actual output
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```sql
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Memory Used: 79040 (max 80592) bytes
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Number of Outstanding Allocations: 164 (max 178)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 32 (max 88)
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Successful lookaside attempts: 107
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 4
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1088 bytes
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Statement Heap/Lookaside Usage: 2496 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 30
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2496
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Bytes received by read(): 8630
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Bytes sent to write(): 0
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Read() system calls: 14
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Write() system calls: 0
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 76568 (max 82248) bytes
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Number of Outstanding Allocations: 153 (max 178)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 41 (max 88)
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Successful lookaside attempts: 129
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 2
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1112 bytes
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Statement Heap/Lookaside Usage: 3296 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 16
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 3296
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Bytes received by read(): 8724
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Bytes sent to write(): 1293
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Read() system calls: 16
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Write() system calls: 1
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 76568 (max 82248) bytes
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Number of Outstanding Allocations: 153 (max 178)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 41 (max 88)
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Successful lookaside attempts: 151
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 2
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1112 bytes
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Statement Heap/Lookaside Usage: 3296 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 16
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 3296
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Bytes received by read(): 8821
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Bytes sent to write(): 2589
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Read() system calls: 18
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Write() system calls: 2
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 83672 (max 89352) bytes
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Number of Outstanding Allocations: 173 (max 188)
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Number of Pcache Overflow Bytes: 21288 (max 21288) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 32 (max 88)
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Successful lookaside attempts: 226
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 17936 bytes
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Page cache hits: 4
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1400 bytes
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Statement Heap/Lookaside Usage: 2448 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 28
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2448
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Bytes received by read(): 8918
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Bytes sent to write(): 3885
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Read() system calls: 20
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Write() system calls: 3
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 81248 (max 89352) bytes
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Number of Outstanding Allocations: 162 (max 188)
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Number of Pcache Overflow Bytes: 21288 (max 21288) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 41 (max 88)
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Successful lookaside attempts: 259
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 17936 bytes
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Page cache hits: 2
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1424 bytes
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Statement Heap/Lookaside Usage: 3296 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 35
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 3296
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Bytes received by read(): 9015
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Bytes sent to write(): 5181
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Read() system calls: 22
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Write() system calls: 4
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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1|a||1
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2|b|1|2
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3|c|2|3
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Memory Used: 85824 (max 293216) bytes
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Number of Outstanding Allocations: 186 (max 216)
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Number of Pcache Overflow Bytes: 21288 (max 37704) bytes
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Largest Allocation: 87200 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 50 (max 123)
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Successful lookaside attempts: 397
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Lookaside failures due to size: 3
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Lookaside failures due to OOM: 61
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Pager Heap Usage: 17936 bytes
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Page cache hits: 3
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1424 bytes
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Statement Heap/Lookaside Usage: 20744 bytes
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Fullscan Steps: 2
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Sort Operations: 0
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Autoindex Inserts: 2
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Bloom filter bypass taken: 1/3
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Virtual Machine Steps: 149
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 20744
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Bytes received by read(): 9112
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Bytes sent to write(): 6477
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Read() system calls: 24
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Write() system calls: 5
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 81248 (max 293216) bytes
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Number of Outstanding Allocations: 162 (max 216)
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Number of Pcache Overflow Bytes: 21288 (max 37704) bytes
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Largest Allocation: 87200 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 41 (max 123)
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Successful lookaside attempts: 419
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Lookaside failures due to size: 3
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Lookaside failures due to OOM: 61
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Pager Heap Usage: 17936 bytes
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Page cache hits: 2
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1424 bytes
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Statement Heap/Lookaside Usage: 3296 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 16
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 3296
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Bytes received by read(): 9209
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Bytes sent to write(): 7843
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Read() system calls: 26
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Write() system calls: 6
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 88656 (max 293216) bytes
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Number of Outstanding Allocations: 182 (max 216)
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Number of Pcache Overflow Bytes: 25648 (max 37704) bytes
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Largest Allocation: 87200 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 32 (max 123)
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Successful lookaside attempts: 499
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Lookaside failures due to size: 3
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Lookaside failures due to OOM: 61
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Pager Heap Usage: 22280 bytes
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Page cache hits: 5
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1624 bytes
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Statement Heap/Lookaside Usage: 2768 bytes
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Fullscan Steps: 0
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Sort Operations: 1
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Autoindex Inserts: 0
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Virtual Machine Steps: 56
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2768
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Bytes received by read(): 9306
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Bytes sent to write(): 9142
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Read() system calls: 28
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Write() system calls: 7
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 85816 (max 293216) bytes
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Number of Outstanding Allocations: 165 (max 216)
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Number of Pcache Overflow Bytes: 25648 (max 37704) bytes
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Largest Allocation: 87200 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 35 (max 123)
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Successful lookaside attempts: 504
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Lookaside failures due to size: 3
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Lookaside failures due to OOM: 61
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Pager Heap Usage: 22280 bytes
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Page cache hits: 0
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1624 bytes
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Statement Heap/Lookaside Usage: 2528 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 4
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2528
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Bytes received by read(): 9403
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Bytes sent to write(): 10441
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Read() system calls: 30
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Write() system calls: 8
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
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WARNING: writing to an imposter table will corrupt the "t1bc" index!
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Braun|30|3
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Wernher|10|1
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von|20|2
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Memory Used: 86376 (max 293216) bytes
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Number of Outstanding Allocations: 175 (max 216)
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Number of Pcache Overflow Bytes: 25648 (max 37704) bytes
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Largest Allocation: 87200 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 45 (max 123)
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Successful lookaside attempts: 627
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Lookaside failures due to size: 3
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Lookaside failures due to OOM: 61
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Pager Heap Usage: 22280 bytes
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Page cache hits: 5
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 2168 bytes
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Statement Heap/Lookaside Usage: 4752 bytes
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Fullscan Steps: 2
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 21
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 4752
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Bytes received by read(): 9501
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Bytes sent to write(): 11891
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Read() system calls: 32
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Write() system calls: 10
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Braun|30
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Wernher|10
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von|20
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Memory Used: 86400 (max 293216) bytes
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Number of Outstanding Allocations: 176 (max 216)
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Number of Pcache Overflow Bytes: 25648 (max 37704) bytes
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Largest Allocation: 87200 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 45 (max 123)
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Successful lookaside attempts: 666
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Lookaside failures due to size: 3
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Lookaside failures due to OOM: 61
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Pager Heap Usage: 22280 bytes
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Page cache hits: 2
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 2192 bytes
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Statement Heap/Lookaside Usage: 4752 bytes
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Fullscan Steps: 2
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 19
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 4752
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Bytes received by read(): 9600
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Bytes sent to write(): 13225
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Read() system calls: 34
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Write() system calls: 11
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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```
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## Expectation
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```sql
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Memory Used: 79504 (max 81040) bytes
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Number of Outstanding Allocations: 174 (max 188)
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Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4368 bytes
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Lookaside Slots Used: 48 (max 97)
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Successful lookaside attempts: 116
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13608 bytes
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Page cache hits: 4
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Temporary data spilled to disk: 0
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Schema Heap Usage: 904 bytes
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Statement Heap/Lookaside Usage: 2352 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 30
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2352
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Bytes received by read(): 9150
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Bytes sent to write(): 0
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Read() system calls: 14
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Write() system calls: 0
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 77160 (max 82792) bytes
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Number of Outstanding Allocations: 163 (max 188)
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Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4368 bytes
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Lookaside Slots Used: 57 (max 97)
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Successful lookaside attempts: 138
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13608 bytes
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Page cache hits: 2
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Temporary data spilled to disk: 0
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Schema Heap Usage: 912 bytes
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Statement Heap/Lookaside Usage: 3296 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 16
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 3296
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Bytes received by read(): 9244
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Bytes sent to write(): 1331
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Read() system calls: 16
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Write() system calls: 1
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 77160 (max 82792) bytes
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Number of Outstanding Allocations: 163 (max 188)
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Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4368 bytes
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Lookaside Slots Used: 57 (max 97)
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Successful lookaside attempts: 160
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13608 bytes
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Page cache hits: 2
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Temporary data spilled to disk: 0
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Schema Heap Usage: 912 bytes
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Statement Heap/Lookaside Usage: 3296 bytes
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Fullscan Steps: 0
|
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 16
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 3296
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Bytes received by read(): 9341
|
|
Bytes sent to write(): 2665
|
|
Read() system calls: 18
|
|
Write() system calls: 2
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
Memory Used: 84104 (max 89736) bytes
|
|
Number of Outstanding Allocations: 183 (max 198)
|
|
Number of Pcache Overflow Bytes: 21304 (max 21304) bytes
|
|
Largest Allocation: 48000 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 48 (max 97)
|
|
Successful lookaside attempts: 228
|
|
Lookaside failures due to size: 0
|
|
Lookaside failures due to OOM: 0
|
|
Pager Heap Usage: 17960 bytes
|
|
Page cache hits: 4
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 1152 bytes
|
|
Statement Heap/Lookaside Usage: 2336 bytes
|
|
Fullscan Steps: 0
|
|
Sort Operations: 0
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 28
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 2336
|
|
Bytes received by read(): 9438
|
|
Bytes sent to write(): 3999
|
|
Read() system calls: 20
|
|
Write() system calls: 3
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
Memory Used: 81776 (max 89736) bytes
|
|
Number of Outstanding Allocations: 172 (max 198)
|
|
Number of Pcache Overflow Bytes: 21304 (max 21304) bytes
|
|
Largest Allocation: 48000 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 58 (max 97)
|
|
Successful lookaside attempts: 265
|
|
Lookaside failures due to size: 0
|
|
Lookaside failures due to OOM: 0
|
|
Pager Heap Usage: 17960 bytes
|
|
Page cache hits: 2
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 1160 bytes
|
|
Statement Heap/Lookaside Usage: 4496 bytes
|
|
Fullscan Steps: 0
|
|
Sort Operations: 0
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 35
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 4496
|
|
Bytes received by read(): 9535
|
|
Bytes sent to write(): 5334
|
|
Read() system calls: 22
|
|
Write() system calls: 4
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
1|a||1
|
|
2|b|1|2
|
|
3|c|2|3
|
|
Memory Used: 85960 (max 293632) bytes
|
|
Number of Outstanding Allocations: 187 (max 232)
|
|
Number of Pcache Overflow Bytes: 21304 (max 37704) bytes
|
|
Largest Allocation: 87360 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 61 (max 123)
|
|
Successful lookaside attempts: 378
|
|
Lookaside failures due to size: 3
|
|
Lookaside failures due to OOM: 73
|
|
Pager Heap Usage: 17960 bytes
|
|
Page cache hits: 3
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 1160 bytes
|
|
Statement Heap/Lookaside Usage: 17568 bytes
|
|
Fullscan Steps: 2
|
|
Sort Operations: 0
|
|
Autoindex Inserts: 2
|
|
Bloom filter bypass taken: 1/3
|
|
Virtual Machine Steps: 150
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 17568
|
|
Bytes received by read(): 9632
|
|
Bytes sent to write(): 6669
|
|
Read() system calls: 24
|
|
Write() system calls: 5
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
Memory Used: 81776 (max 293632) bytes
|
|
Number of Outstanding Allocations: 172 (max 232)
|
|
Number of Pcache Overflow Bytes: 21304 (max 37704) bytes
|
|
Largest Allocation: 87360 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 57 (max 123)
|
|
Successful lookaside attempts: 400
|
|
Lookaside failures due to size: 3
|
|
Lookaside failures due to OOM: 73
|
|
Pager Heap Usage: 17960 bytes
|
|
Page cache hits: 2
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 1160 bytes
|
|
Statement Heap/Lookaside Usage: 3296 bytes
|
|
Fullscan Steps: 0
|
|
Sort Operations: 0
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 16
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 3296
|
|
Bytes received by read(): 9729
|
|
Bytes sent to write(): 8074
|
|
Read() system calls: 26
|
|
Write() system calls: 6
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
Memory Used: 88992 (max 293632) bytes
|
|
Number of Outstanding Allocations: 190 (max 232)
|
|
Number of Pcache Overflow Bytes: 25672 (max 37704) bytes
|
|
Largest Allocation: 87360 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 48 (max 123)
|
|
Successful lookaside attempts: 473
|
|
Lookaside failures due to size: 3
|
|
Lookaside failures due to OOM: 73
|
|
Pager Heap Usage: 22312 bytes
|
|
Page cache hits: 5
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 1368 bytes
|
|
Statement Heap/Lookaside Usage: 2576 bytes
|
|
Fullscan Steps: 0
|
|
Sort Operations: 1
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 56
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 2576
|
|
Bytes received by read(): 9826
|
|
Bytes sent to write(): 9412
|
|
Read() system calls: 28
|
|
Write() system calls: 7
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
Memory Used: 86352 (max 293632) bytes
|
|
Number of Outstanding Allocations: 175 (max 232)
|
|
Number of Pcache Overflow Bytes: 25672 (max 37704) bytes
|
|
Largest Allocation: 87360 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 51 (max 123)
|
|
Successful lookaside attempts: 478
|
|
Lookaside failures due to size: 3
|
|
Lookaside failures due to OOM: 73
|
|
Pager Heap Usage: 22312 bytes
|
|
Page cache hits: 0
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 1368 bytes
|
|
Statement Heap/Lookaside Usage: 2528 bytes
|
|
Fullscan Steps: 0
|
|
Sort Operations: 0
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 5
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 2528
|
|
Bytes received by read(): 9923
|
|
Bytes sent to write(): 10750
|
|
Read() system calls: 30
|
|
Write() system calls: 8
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
|
|
Braun|30|3
|
|
Wernher|10|1
|
|
von|20|2
|
|
Memory Used: 86832 (max 293632) bytes
|
|
Number of Outstanding Allocations: 185 (max 232)
|
|
Number of Pcache Overflow Bytes: 25672 (max 37704) bytes
|
|
Largest Allocation: 87360 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 58 (max 123)
|
|
Successful lookaside attempts: 591
|
|
Lookaside failures due to size: 3
|
|
Lookaside failures due to OOM: 73
|
|
Pager Heap Usage: 22312 bytes
|
|
Page cache hits: 5
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 1848 bytes
|
|
Statement Heap/Lookaside Usage: 4368 bytes
|
|
Fullscan Steps: 2
|
|
Sort Operations: 0
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 21
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 4368
|
|
Bytes received by read(): 10021
|
|
Bytes sent to write(): 12170
|
|
Read() system calls: 32
|
|
Write() system calls: 10
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
Braun|30
|
|
Wernher|10
|
|
von|20
|
|
Memory Used: 86840 (max 293632) bytes
|
|
Number of Outstanding Allocations: 186 (max 232)
|
|
Number of Pcache Overflow Bytes: 25672 (max 37704) bytes
|
|
Largest Allocation: 87360 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 59 (max 123)
|
|
Successful lookaside attempts: 628
|
|
Lookaside failures due to size: 3
|
|
Lookaside failures due to OOM: 73
|
|
Pager Heap Usage: 22312 bytes
|
|
Page cache hits: 2
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 1856 bytes
|
|
Statement Heap/Lookaside Usage: 4496 bytes
|
|
Fullscan Steps: 2
|
|
Sort Operations: 0
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 19
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 4496
|
|
Bytes received by read(): 10121
|
|
Bytes sent to write(): 13544
|
|
Read() system calls: 34
|
|
Write() system calls: 11
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
```
|
|
|
|
## Flag
|
|
|
|
```
|
|
-stats
|
|
```
|
|
|