[r8764]: incubator / ooSQLite / testing / statusTest.rex Maximize Restore History

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#!/usr/bin/rexx
/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 2012-2013 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.oorexx.org/license.html */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/*----------------------------------------------------------------------------*/
.ooSQLite~recordFormat = .ooSQLite~OO_ARRAY_OF_ARRAYS
dbName = 'ooFoods.rdbx'
dbConn = .ooSQLiteConnection~new(dbName, .ooSQLite~OPEN_READWRITE)
if dbConn~initCode <> 0 then do
errRC = dbConn~lastErrCode
errMsg = dbConn~lastErrMsg
say 'ooSQLiteConnection initialization error:' dbConn~initCode
say ' Error code:' errRC '('errMsg')'
if errRC == .ooSQLite~CANTOPEN then do
say ' Database file name:' dbName '(Is this the correct database?)'
end
dbConn~close
return 99
end
ret = dbConn~exec('SELECT * FROM foods ORDER BY name;', .true)
if \ ret~isA(.array) then do
say ret
ret = 99
end
else do
z = printResultSet(ret)
ret = 0
end
say; say 'Start of status test. Print SQLite status parameters:'; say
a = .array~of( -
.ooSQLite~STATUS_MEMORY_USED ,-
.ooSQLite~STATUS_PAGECACHE_USED ,-
.ooSQLite~STATUS_PAGECACHE_OVERFLOW ,-
.ooSQLite~STATUS_SCRATCH_USED ,-
.ooSQLite~STATUS_SCRATCH_OVERFLOW ,-
.ooSQLite~STATUS_MALLOC_SIZE ,-
.ooSQLite~STATUS_PARSER_STACK ,-
.ooSQLite~STATUS_PAGECACHE_SIZE ,-
.ooSQLite~STATUS_SCRATCH_SIZE ,-
.ooSQLite~STATUS_MALLOC_COUNT -
)
n = .array~of( -
'STATUS_MEMORY_USED ' ,-
'STATUS_PAGECACHE_USED ' ,-
'STATUS_PAGECACHE_OVERFLOW' ,-
'STATUS_SCRATCH_USED ' ,-
'STATUS_SCRATCH_OVERFLOW ' ,-
'STATUS_MALLOC_SIZE ' ,-
'STATUS_PARSER_STACK ' ,-
'STATUS_PAGECACHE_SIZE ' ,-
'STATUS_SCRATCH_SIZE ' ,-
'STATUS_MALLOC_COUNT ' -
)
values = .directory~new
do i = 1 to a~items
.ooSQLite~status(a[i], values)
say n[i]': current:' values~current~left(10) 'high water:' values~highWater
end
say; say 'Print SQLite status parameters and reset high water:'; say
do i = 1 to a~items
.ooSQLite~status(a[i], values, .true)
say n[i]': current:' values~current~left(10) 'high water:' values~highWater
end
say; say 'Print SQLite status parameters, again, after reset high water:'; say
do i = 1 to a~items
.ooSQLite~status(a[i], values)
say n[i]': current:' values~current~left(10) 'high water:' values~highWater
end
say; say 'Print SQLiteDB status parameters:'; say
a = .array~of( -
.ooSQLite~DBSTATUS_LOOKASIDE_USED ,-
.ooSQLite~DBSTATUS_CACHE_USED ,-
.ooSQLite~DBSTATUS_SCHEMA_USED ,-
.ooSQLite~DBSTATUS_STMT_USED ,-
.ooSQLite~DBSTATUS_LOOKASIDE_HIT ,-
.ooSQLite~DBSTATUS_LOOKASIDE_MISS_SIZE,-
.ooSQLite~DBSTATUS_LOOKASIDE_MISS_FULL,-
.ooSQLite~DBSTATUS_CACHE_HIT ,-
.ooSQLite~DBSTATUS_CACHE_MISS -
)
n = .array~of( -
'DBSTATUS_LOOKASIDE_USED ' ,-
'DBSTATUS_CACHE_USED ' ,-
'DBSTATUS_SCHEMA_USED ' ,-
'DBSTATUS_STMT_USED ' ,-
'DBSTATUS_LOOKASIDE_HIT ' ,-
'DBSTATUS_LOOKASIDE_MISS_SIZE' ,-
'DBSTATUS_LOOKASIDE_MISS_FULL' ,-
'DBSTATUS_CACHE_HIT ' ,-
'DBSTATUS_CACHE_MISS ' -
)
do i = 1 to a~items
dbConn~dbStatus(a[i], values)
say n[i]': current:' values~current~left(10) 'high water:' values~highWater
end
say
say; say 'Print SQLiteDB status parameters and reset high water:'; say
do i = 1 to a~items
dbConn~dbStatus(a[i], values, .true)
say n[i]': current:' values~current~left(10) 'high water:' values~highWater
end
say
say; say 'Print SQLiteDB status parameters again, after reset high water:'; say
do i = 1 to a~items
dbConn~dbStatus(a[i], values, .true)
say n[i]': current:' values~current~left(10) 'high water:' values~highWater
end
say
ret = dbConn~close
return ret
::requires 'ooSQLite.cls'
::routine printResultSet
use arg rs
say 'Result:'
colCount = rs[1]~items
rowCount = rs~items
line = ''
headers = rs[1]
do j = 1 to colCount
line ||= headers[j]~left(25)
end
say line
say '='~copies(80)
do i = 2 to rowCount
line = ''
record = rs[i]
do j = 1 to colCount
line ||= record[j]~left(25)
end
say line
end
return 0