sqlite/test/busy.test
drh 9f34a05e98 Change the 0x20000 bit (use analysis limit) to 0x10, meaning that this feature
is on by default.  The default analysis limit is changed to 2000 which is
almost always sufficient for accurate analysis results.

FossilOrigin-Name: 4abd47b5917099a2f74e53e12c987da0722304a5e9a93b6d43015c1f45c48444
2024-02-19 13:06:27 +00:00

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# 2005 july 8
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file test the busy handler
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix busy
do_test busy-1.1 {
sqlite3 db2 test.db
execsql {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(1);
SELECT * FROM t1
}
} 1
proc busy x {
lappend ::busyargs $x
if {$x>2} {return 1}
return 0
}
set busyargs {}
do_test busy-1.2 {
db busy busy
db2 eval {BEGIN EXCLUSIVE}
catchsql {BEGIN IMMEDIATE}
} {1 {database is locked}}
do_test busy-1.3 {
set busyargs
} {0 1 2 3}
do_test busy-1.4 {
set busyargs {}
catchsql {BEGIN IMMEDIATE}
set busyargs
} {0 1 2 3}
do_test busy-2.1 {
db2 eval {COMMIT}
db eval {BEGIN; INSERT INTO t1 VALUES(5)}
db2 eval {BEGIN; SELECT * FROM t1}
set busyargs {}
catchsql COMMIT
} {1 {database is locked}}
do_test busy-2.2 {
set busyargs
} {0 1 2 3}
db2 close
#-------------------------------------------------------------------------
# Test that the busy-handler is invoked correctly for "PRAGMA optimize"
# and ANALYZE commnds.
ifcapable pragma&&analyze&&!stat4 {
reset_db
do_execsql_test 3.1 {
CREATE TABLE t1(x);
CREATE TABLE t2(y);
CREATE TABLE t3(z);
CREATE INDEX i1 ON t1(x);
CREATE INDEX i2 ON t2(y);
INSERT INTO t1 VALUES(1);
INSERT INTO t2 VALUES(1);
ANALYZE;
SELECT * FROM t1 WHERE x=1;
SELECT * FROM t2 WHERE y=1;
} {1 1}
do_test 3.2 {
sqlite3 db2 test.db
execsql { BEGIN EXCLUSIVE } db2
catchsql { PRAGMA optimize }
} {1 {database is locked}}
proc busy_handler {n} {
if {$n>1000} { execsql { COMMIT } db2 }
return 0
}
db busy busy_handler
do_test 3.3 {
catchsql { PRAGMA optimize }
} {0 {}}
do_test 3.4 {
execsql {
BEGIN;
SELECT count(*) FROM sqlite_master;
} db2
} {6}
proc busy_handler {n} { return 1 }
do_test 3.5 {
catchsql { PRAGMA optimize }
} {1 {database is locked}}
do_test 3.6 {
execsql { COMMIT } db2
execsql {
WITH s(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<1000
)
INSERT INTO t1 SELECT i FROM s;
}
execsql {
BEGIN;
SELECT count(*) FROM sqlite_master;
} db2
} {6}
do_test 3.7 {
catchsql { PRAGMA optimize }
} {1 {database is locked}}
proc busy_handler {n} {
if {$n>1000} { execsql { COMMIT } db2 }
return 0
}
do_test 3.8 {
catchsql { PRAGMA optimize }
} {0 {}}
}
finish_test