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SQLite training in Houston TX on 2019-11-05 (details)
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Overview
Comment:Add tests to verify that the busy-handler is invoked correctly when processing "PRAGMA optimize" and ANALYZE commands.
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SHA3-256: fb83c3d8df250cb701fbe775b48ab93f5674496f68c57e04f50668c43c2de328
User & Date: dan 2017-10-04 10:39:28
Context
2017-10-04
12:06
Turn restriction 20 on the query flattener into an assert since the situation restricted can no longer occur because of the more aggressive use of co-routines. check-in: 4464f40c user: drh tags: trunk
10:39
Add tests to verify that the busy-handler is invoked correctly when processing "PRAGMA optimize" and ANALYZE commands. check-in: fb83c3d8 user: dan tags: trunk
05:59
Remove a redundant restriction from the query flattener. check-in: 66629b2a user: drh tags: trunk
Changes
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Changes to test/busy.test.

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#    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
#
# $Id: busy.test,v 1.3 2008/03/15 02:09:22 drh Exp $


set testdir [file dirname $argv0]
source $testdir/tester.tcl


do_test busy-1.1 {
  sqlite3 db2 test.db
  execsql {
    CREATE TABLE t1(x);
    INSERT INTO t1 VALUES(1);
    SELECT * FROM t1
................................................................................
  set busyargs {}
  catchsql COMMIT
} {1 {database is locked}}
do_test busy-2.2 {
  set busyargs
} {0 1 2 3}














































db2 close



































finish_test







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#    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
................................................................................
  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 {

reset_db

do_execsql_test 2.1 {
  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 2.2 {
  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 2.3 {
  catchsql { PRAGMA optimize }
} {0 {}}

do_test 2.4 {
  execsql {
    BEGIN;
    SELECT count(*) FROM sqlite_master;
  } db2
} {6}

proc busy_handler {n} { return 1 }
do_test 2.5 {
  catchsql { PRAGMA optimize }
} {0 {}}

do_test 2.6 {
  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 2.7 {
  catchsql { PRAGMA optimize }
} {1 {database is locked}}

proc busy_handler {n} {
  if {$n>1000} { execsql { COMMIT } db2 }
  return 0
}
do_test 2.8 {
  catchsql { PRAGMA optimize }
} {0 {}}

}

finish_test