File: temptable_error_injection.test

package info (click to toggle)
mysql-8.0 8.0.43-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,273,924 kB
  • sloc: cpp: 4,684,605; ansic: 412,450; pascal: 108,398; java: 83,641; perl: 30,221; cs: 27,067; sql: 26,594; sh: 24,181; python: 21,816; yacc: 17,169; php: 11,522; xml: 7,388; javascript: 7,076; makefile: 2,194; lex: 1,075; awk: 670; asm: 520; objc: 183; ruby: 97; lisp: 86
file content (23 lines) | stat: -rw-r--r-- 747 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
-- source include/have_debug.inc
-- source include/not_hypergraph.inc  # Depends on the query plan.

CREATE TABLE t (c INT);

INSERT INTO t VALUES (1);

ANALYZE TABLE t;

# Let's use EXPLAIN FORMAT <stmt> to make sure that our <stmt> will
# result utilizing the TempTable. Try keeping this MTR test less flaky
# by checking only part of the EXPLAIN FORMAT <stmt> output.
--let SEARCH_PATTERN = Aggregate using temporary table
--let SEARCH_EXPRESSION = `EXPLAIN FORMAT=tree SELECT * FROM (SELECT COUNT(*) FROM t GROUP BY c) as dt`
--source include/search_pattern_on_variable.inc

SET debug = '+d,temptable_create_return_full';

SELECT * FROM (SELECT COUNT(*) FROM t GROUP BY c) as dt;

SET debug = '-d,temptable_create_return_full';

DROP TABLE t;