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adodb 최신버전으로 변경

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<? 를 <?php 로 변경
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2018-01-11 19:28:35 +09:00
parent feff33715f
commit 7b3b674dee
450 changed files with 19425 additions and 32248 deletions
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e_lib/adodb5/perf/perf-oci8.inc.php
+280 -147
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@@ -1,29 +1,32 @@
<?php
/*
V5.09 25 June 2009 (c) 2000-2009 John Lim (jlim#natsoft.com). All rights reserved.
Released under both BSD license and Lesser GPL library license.
Whenever there is any discrepancy between the two licenses,
the BSD license will take precedence. See License.txt.
/*
@version v5.20.9 21-Dec-2016
@copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
@copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community
Released under both BSD license and Lesser GPL library license.
Whenever there is any discrepancy between the two licenses,
the BSD license will take precedence. See License.txt.
Set tabs to 4 for best viewing.
Latest version is available at http://adodb.sourceforge.net
Library for basic performance monitoring and tuning
Library for basic performance monitoring and tuning
*/
// security - hide paths
if (!defined('ADODB_DIR')) die();
class perf_oci8 extends ADODB_perf{
var $noShowIxora = 15; // if the sql for suspicious sql is taking too long, then disable ixora
var $tablesSQL = "select segment_name as \"tablename\", sum(bytes)/1024 as \"size_in_k\",tablespace_name as \"tablespace\",count(*) \"extents\" from sys.user_extents
var $tablesSQL = "select segment_name as \"tablename\", sum(bytes)/1024 as \"size_in_k\",tablespace_name as \"tablespace\",count(*) \"extents\" from sys.user_extents
group by segment_name,tablespace_name";
var $version;
var $createTableSQL = "CREATE TABLE adodb_logsql (
created date NOT NULL,
sql0 varchar(250) NOT NULL,
@@ -32,32 +35,32 @@ class perf_oci8 extends ADODB_perf{
tracer varchar(4000),
timer decimal(16,6) NOT NULL
)";
var $settings = array(
'Ratios',
'data cache hit ratio' => array('RATIOH',
"select round((1-(phy.value / (cur.value + con.value)))*100,2)
"select round((1-(phy.value / (cur.value + con.value)))*100,2)
from v\$sysstat cur, v\$sysstat con, v\$sysstat phy
where cur.name = 'db block gets' and
con.name = 'consistent gets' and
phy.name = 'physical reads'",
'=WarnCacheRatio'),
'sql cache hit ratio' => array( 'RATIOH',
'select round(100*(sum(pins)-sum(reloads))/sum(pins),2) from v$librarycache',
'increase <i>shared_pool_size</i> if too ratio low'),
'datadict cache hit ratio' => array('RATIOH',
"select
round((1 - (sum(getmisses) / (sum(gets) +
"select
round((1 - (sum(getmisses) / (sum(gets) +
sum(getmisses))))*100,2)
from v\$rowcache",
'increase <i>shared_pool_size</i> if too ratio low'),
'memory sort ratio' => array('RATIOH',
"SELECT ROUND((100 * b.VALUE) /DECODE ((a.VALUE + b.VALUE),
"SELECT ROUND((100 * b.VALUE) /DECODE ((a.VALUE + b.VALUE),
0,1,(a.VALUE + b.VALUE)),2)
FROM v\$sysstat a,
FROM v\$sysstat a,
v\$sysstat b
WHERE a.name = 'sorts (disk)'
AND b.name = 'sorts (memory)'",
@@ -66,27 +69,36 @@ AND b.name = 'sorts (memory)'",
'IO',
'data reads' => array('IO',
"select value from v\$sysstat where name='physical reads'"),
'data writes' => array('IO',
"select value from v\$sysstat where name='physical writes'"),
'Data Cache',
'data cache buffers' => array( 'DATAC',
"select a.value/b.value from v\$parameter a, v\$parameter b
"select a.value/b.value from v\$parameter a, v\$parameter b
where a.name = 'db_cache_size' and b.name= 'db_block_size'",
'Number of cache buffers. Tune <i>db_cache_size</i> if the <i>data cache hit ratio</i> is too low.'),
'data cache blocksize' => array('DATAC',
"select value from v\$parameter where name='db_block_size'",
'' ),
'' ),
'Memory Pools',
'Mem Max Target (11g+)' => array( 'DATAC',
"select value from v\$parameter where name = 'memory_max_target'",
'The memory_max_size is the maximum value to which memory_target can be set.' ),
'Memory target (11g+)' => array( 'DATAC',
"select value from v\$parameter where name = 'memory_target'",
'If memory_target is defined then SGA and PGA targets are consolidated into one memory_target.' ),
'SGA Max Size' => array( 'DATAC',
"select value from v\$parameter where name = 'sga_max_size'",
"select nvl(value,0)/1024.0/1024 || 'M' from v\$parameter where name = 'sga_max_size'",
'The sga_max_size is the maximum value to which sga_target can be set.' ),
'SGA target' => array( 'DATAC',
"select value from v\$parameter where name = 'sga_target'",
"select nvl(value,0)/1024.0/1024 || 'M' from v\$parameter where name = 'sga_target'",
'If sga_target is defined then data cache, shared, java and large pool size can be 0. This is because all these pools are consolidated into one sga_target.' ),
'PGA aggr target' => array( 'DATAC',
"select nvl(value,0)/1024.0/1024 || 'M' from v\$parameter where name = 'pga_aggregate_target'",
'If pga_aggregate_target is defined then this is the maximum memory that can be allocated for cursor operations such as sorts, group by, joins, merges. When in doubt, set it to 20% of sga_target.' ),
'data cache size' => array('DATAC',
"select value from v\$parameter where name = 'db_cache_size'",
'db_cache_size' ),
@@ -100,11 +112,8 @@ AND b.name = 'sorts (memory)'",
"select value from v\$parameter where name='large_pool_size'",
'this pool is for large mem allocations (not because it is larger than shared pool), for MTS sessions, parallel queries, io buffers (large_pool_size) ' ),
'pga buffer size' => array('CACHE',
"select value from v\$parameter where name='pga_aggregate_target'",
'program global area is private memory for sorting, and hash and bitmap merges - since oracle 9i (pga_aggregate_target)' ),
'dynamic memory usage' => array('CACHE', "select '-' from dual", '=DynMemoryUsage'),
'Connections',
'current connections' => array('SESS',
'select count(*) from sys.v_$session where username is not null',
@@ -113,20 +122,20 @@ AND b.name = 'sorts (memory)'",
"select value from v\$parameter where name='sessions'",
''),
'Memory Utilization',
'Memory Utilization',
'data cache utilization ratio' => array('RATIOU',
"select round((1-bytes/sgasize)*100, 2)
from (select sum(bytes) sgasize from sys.v_\$sgastat) s, sys.v_\$sgastat f
where name = 'free memory' and pool = 'shared pool'",
'Percentage of data cache actually in use - should be over 85%'),
'shared pool utilization ratio' => array('RATIOU',
'shared pool utilization ratio' => array('RATIOU',
'select round((sga.bytes/case when p.value=0 then sga.bytes else to_number(p.value) end)*100,2)
from v$sgastat sga, v$parameter p
where sga.name = \'free memory\' and sga.pool = \'shared pool\'
and p.name = \'shared_pool_size\'',
'Percentage of shared pool actually used - too low is bad, too high is worse'),
'large pool utilization ratio' => array('RATIOU',
"select round((1-bytes/sgasize)*100, 2)
from (select sum(bytes) sgasize from sys.v_\$sgastat) s, sys.v_\$sgastat f
@@ -136,13 +145,13 @@ AND b.name = 'sorts (memory)'",
"select value from v\$parameter where name='sort_area_size'",
'max in-mem sort_area_size (per query), uses memory in pga' ),
'pga usage at peak' => array('RATIOU',
'=PGA','Mb utilization at peak transactions (requires Oracle 9i+)'),
/*'pga usage at peak' => array('RATIOU',
'=PGA','Mb utilization at peak transactions (requires Oracle 9i+)'),*/
'Transactions',
'rollback segments' => array('ROLLBACK',
"select count(*) from sys.v_\$rollstat",
''),
'peak transactions' => array('ROLLBACK',
"select max_utilization tx_hwm
from sys.v_\$resource_limit
@@ -151,7 +160,7 @@ AND b.name = 'sorts (memory)'",
'max transactions' => array('ROLLBACK',
"select value from v\$parameter where name = 'transactions'",
'max transactions / rollback segments < 3.5 (or transactions_per_rollback_segment)'),
'Parameters',
'Parameters',
'cursor sharing' => array('CURSOR',
"select value from v\$parameter where name = 'cursor_sharing'",
'Cursor reuse strategy. Recommended is FORCE (8i+) or SIMILAR (9i+). See <a href=http://www.praetoriate.com/oracle_tips_cursor_sharing.htm>cursor_sharing</a>.'),
@@ -167,10 +176,57 @@ having count(*) > 100)",'These are sql statements that should be using bind vari
'random page cost' => array('COST',
"select value from v\$parameter where name = 'optimizer_index_cost_adj'",
'=WarnPageCost'),
'Waits',
'Recent wait events' => array('WAITS','select \'Top 5 events\' from dual','=TopRecentWaits'),
// 'Historical wait SQL' => array('WAITS','select \'Last 2 days\' from dual','=TopHistoricalWaits'), -- requires AWR license
'Backup',
'Achivelog Mode' => array('BACKUP', 'select log_mode from v$database', 'To turn on archivelog:<br>
<pre>
'Achivelog Mode' => array('BACKUP', 'select log_mode from v$database', '=LogMode'),
'DBID' => array('BACKUP','select dbid from v$database','Primary key of database, used for recovery with an RMAN Recovery Catalog'),
'Archive Log Dest' => array('BACKUP', "SELECT NVL(v1.value,v2.value)
FROM v\$parameter v1, v\$parameter v2 WHERE v1.name='log_archive_dest' AND v2.name='log_archive_dest_10'", ''),
'Flashback Area' => array('BACKUP', "select nvl(value,'Flashback Area not used') from v\$parameter where name=lower('DB_RECOVERY_FILE_DEST')", 'Flashback area is a folder where all backup data and logs can be stored and managed by Oracle. If Error: message displayed, then it is not in use.'),
'Flashback Usage' => array('BACKUP', "select nvl('-','Flashback Area not used') from v\$parameter where name=lower('DB_RECOVERY_FILE_DEST')", '=FlashUsage', 'Flashback area usage.'),
'Control File Keep Time' => array('BACKUP', "select value from v\$parameter where name='control_file_record_keep_time'",'No of days to keep RMAN info in control file. Recommended set to x2 or x3 times the frequency of your full backup.'),
'Recent RMAN Jobs' => array('BACKUP', "select '-' from dual", "=RMAN"),
// 'Control File Keep Time' => array('BACKUP', "select value from v\$parameter where name='control_file_record_keep_time'",'No of days to keep RMAN info in control file. I recommend it be set to x2 or x3 times the frequency of your full backup.'),
'Storage', 'Tablespaces' => array('TABLESPACE', "select '-' from dual", "=TableSpace"),
false
);
function __construct(&$conn)
{
global $gSQLBlockRows;
$gSQLBlockRows = 1000;
$savelog = $conn->LogSQL(false);
$this->version = $conn->ServerInfo();
$conn->LogSQL($savelog);
$this->conn = $conn;
}
function LogMode()
{
$mode = $this->conn->GetOne("select log_mode from v\$database");
if ($mode == 'ARCHIVELOG') return 'To turn off archivelog:<br>
<pre><font size=-2>
SQLPLUS> connect sys as sysdba;
SQLPLUS> shutdown immediate;
SQLPLUS> startup mount exclusive;
SQLPLUS> alter database noarchivelog;
SQLPLUS> alter database open;
</font></pre>';
return 'To turn on archivelog:<br>
<pre><font size=-2>
SQLPLUS> connect sys as sysdba;
SQLPLUS> shutdown immediate;
@@ -178,66 +234,142 @@ having count(*) > 100)",'These are sql statements that should be using bind vari
SQLPLUS> alter database archivelog;
SQLPLUS> archive log start;
SQLPLUS> alter database open;
</pre>'),
'DBID' => array('BACKUP','select dbid from v$database','Primary key of database, used for recovery with an RMAN Recovery Catalog'),
'Archive Log Dest' => array('BACKUP', "SELECT NVL(v1.value,v2.value)
FROM v\$parameter v1, v\$parameter v2 WHERE v1.name='log_archive_dest' AND v2.name='log_archive_dest_10'", ''),
'Flashback Area' => array('BACKUP', "select nvl(value,'Flashback Area not used') from v\$parameter where name=lower('DB_RECOVERY_FILE_DEST')", 'Flashback area is a folder where all backup data and logs can be stored and managed by Oracle. If Error: message displayed, then it is not in use.'),
'Control File Keep Time' => array('BACKUP', "select value from v\$parameter where name='control_file_record_keep_time'",'No of days to keep RMAN info in control file. I recommend it be set to x2 or x3 times the frequency of your full backup.'),
false
);
function perf_oci8(&$conn)
{
$savelog = $conn->LogSQL(false);
$this->version = $conn->ServerInfo();
$conn->LogSQL($savelog);
$this->conn = $conn;
</font></pre>';
}
function TopRecentWaits()
{
$rs = $this->conn->Execute("select * from (
select event, round(100*time_waited/(select sum(time_waited) from v\$system_event where wait_class <> 'Idle'),1) \"% Wait\",
total_waits,time_waited, average_wait,wait_class from v\$system_event where wait_class <> 'Idle' order by 2 desc
) where rownum <=5");
$ret = rs2html($rs,false,false,false,false);
return "&nbsp;<p>".$ret."&nbsp;</p>";
}
function TopHistoricalWaits()
{
$days = 2;
$rs = $this->conn->Execute("select * from ( SELECT
b.wait_class,B.NAME,
round(sum(wait_time+TIME_WAITED)/1000000) waitsecs,
parsing_schema_name,
C.SQL_TEXT, a.sql_id
FROM V\$ACTIVE_SESSION_HISTORY A
join V\$EVENT_NAME B on A.EVENT# = B.EVENT#
join V\$SQLAREA C on A.SQL_ID = C.SQL_ID
WHERE A.SAMPLE_TIME BETWEEN sysdate-$days and sysdate
and parsing_schema_name not in ('SYS','SYSMAN','DBSNMP','SYSTEM')
GROUP BY b.wait_class,parsing_schema_name,C.SQL_TEXT, B.NAME,A.sql_id
order by 3 desc) where rownum <=10");
$ret = rs2html($rs,false,false,false,false);
return "&nbsp;<p>".$ret."&nbsp;</p>";
}
function TableSpace()
{
$rs = $this->conn->Execute(
"select tablespace_name,round(sum(bytes)/1024/1024) as Used_MB,round(sum(maxbytes)/1024/1024) as Max_MB, round(sum(bytes)/sum(maxbytes),4) * 100 as PCT
from dba_data_files
group by tablespace_name order by 2 desc");
$ret = "<p><b>Tablespace</b>".rs2html($rs,false,false,false,false);
$rs = $this->conn->Execute("select * from dba_data_files order by tablespace_name, 1");
$ret .= "<p><b>Datafile</b>".rs2html($rs,false,false,false,false);
return "&nbsp;<p>".$ret."&nbsp;</p>";
}
function RMAN()
{
$rs = $this->conn->Execute("select * from (select start_time, end_time, operation, status, mbytes_processed, output_device_type
from V\$RMAN_STATUS order by start_time desc) where rownum <=10");
$ret = rs2html($rs,false,false,false,false);
return "&nbsp;<p>".$ret."&nbsp;</p>";
}
function DynMemoryUsage()
{
if (@$this->version['version'] >= 11) {
$rs = $this->conn->Execute("select component, current_size/1024./1024 as \"CurrSize (M)\" from V\$MEMORY_DYNAMIC_COMPONENTS");
} else
$rs = $this->conn->Execute("select name, round(bytes/1024./1024,2) as \"CurrSize (M)\" from V\$sgainfo");
$ret = rs2html($rs,false,false,false,false);
return "&nbsp;<p>".$ret."&nbsp;</p>";
}
function FlashUsage()
{
$rs = $this->conn->Execute("select * from V\$FLASH_RECOVERY_AREA_USAGE");
$ret = rs2html($rs,false,false,false,false);
return "&nbsp;<p>".$ret."&nbsp;</p>";
}
function WarnPageCost($val)
{
if ($val == 100) $s = '<font color=red><b>Too High</b>. </font>';
if ($val == 100 && $this->version['version'] < 10) $s = '<font color=red><b>Too High</b>. </font>';
else $s = '';
return $s.'Recommended is 20-50 for TP, and 50 for data warehouses. Default is 100. See <a href=http://www.dba-oracle.com/oracle_tips_cost_adj.htm>optimizer_index_cost_adj</a>. ';
}
function WarnIndexCost($val)
{
if ($val == 0) $s = '<font color=red><b>Too Low</b>. </font>';
if ($val == 0 && $this->version['version'] < 10) $s = '<font color=red><b>Too Low</b>. </font>';
else $s = '';
return $s.'Percentage of indexed data blocks expected in the cache.
Recommended is 20 (fast disk array) to 30 (slower hard disks). Default is 0.
See <a href=http://www.dba-oracle.com/oracle_tips_cbo_part1.htm>optimizer_index_caching</a>.';
}
function PGA()
{
if ($this->version['version'] < 9) return 'Oracle 9i or later required';
$rs = $this->conn->Execute("select a.mb,a.targ as pga_size_pct,a.pct from
(select round(pga_target_for_estimate/1024.0/1024.0,0) Mb,
pga_target_factor targ,estd_pga_cache_hit_percentage pct,rownum as r
from v\$pga_target_advice) a left join
(select round(pga_target_for_estimate/1024.0/1024.0,0) Mb,
pga_target_factor targ,estd_pga_cache_hit_percentage pct,rownum as r
from v\$pga_target_advice) b on
a.r = b.r+1 where
b.pct < 100");
if (!$rs) return "Only in 9i or later";
$rs->Close();
if ($rs->EOF) return "PGA could be too big";
return reset($rs->fields);
//if ($this->version['version'] < 9) return 'Oracle 9i or later required';
}
function Explain($sql,$partial=false)
function PGA_Advice()
{
$t = "<h3>PGA Advice Estimate</h3>";
if ($this->version['version'] < 9) return $t.'Oracle 9i or later required';
$rs = $this->conn->Execute('select a.MB,
case when a.targ = 1 then \'<<= Current \'
when a.targ < 1 or a.pct <= b.pct then null
else
\'- BETTER than Current by \'||round(a.pct/b.pct*100-100,2)||\'%\' end as "Percent Improved",
a.targ as "PGA Size Factor",a.pct "% Perf"
from
(select round(pga_target_for_estimate/1024.0/1024.0,0) MB,
pga_target_factor targ,estd_pga_cache_hit_percentage pct,rownum as r
from v$pga_target_advice) a left join
(select round(pga_target_for_estimate/1024.0/1024.0,0) MB,
pga_target_factor targ,estd_pga_cache_hit_percentage pct,rownum as r
from v$pga_target_advice) b on
a.r = b.r+1 where
b.pct < 100');
if (!$rs) return $t."Only in 9i or later";
// $rs->Close();
if ($rs->EOF) return $t."PGA could be too big";
return $t.rs2html($rs,false,false,true,false);
}
function Explain($sql,$partial=false)
{
$savelog = $this->conn->LogSQL(false);
$rs = $this->conn->SelectLimit("select ID FROM PLAN_TABLE");
@@ -273,10 +405,10 @@ CREATE TABLE PLAN_TABLE (
</pre>";
return false;
}
$rs->Close();
// $this->conn->debug=1;
if ($partial) {
$sqlq = $this->conn->qstr($sql.'%');
$arr = $this->conn->GetArray("select distinct sql1 from adodb_logsql where sql1 like $sqlq");
@@ -287,9 +419,9 @@ CREATE TABLE PLAN_TABLE (
}
}
}
$s = "<p><b>Explain</b>: ".htmlspecialchars($sql)."</p>";
$s = "<p><b>Explain</b>: ".htmlspecialchars($sql)."</p>";
$this->conn->BeginTrans();
$id = "ADODB ".microtime();
@@ -302,50 +434,52 @@ CREATE TABLE PLAN_TABLE (
return $s;
}
$rs = $this->conn->Execute("
select
'<pre>'||lpad('--', (level-1)*2,'-') || trim(operation) || ' ' || trim(options)||'</pre>' as Operation,
select
'<pre>'||lpad('--', (level-1)*2,'-') || trim(operation) || ' ' || trim(options)||'</pre>' as Operation,
object_name,COST,CARDINALITY,bytes
FROM plan_table
START WITH id = 0 and STATEMENT_ID='$id'
FROM plan_table
START WITH id = 0 and STATEMENT_ID='$id'
CONNECT BY prior id=parent_id and statement_id='$id'");
$s .= rs2html($rs,false,false,false,false);
$this->conn->RollbackTrans();
$this->conn->LogSQL($savelog);
$s .= $this->Tracer($sql,$partial);
return $s;
}
function CheckMemory()
{
if ($this->version['version'] < 9) return 'Oracle 9i or later required';
$rs = $this->conn->Execute("
select a.size_for_estimate as cache_mb_estimate,
case when a.size_factor=1 then
'&lt;&lt;= current'
when a.estd_physical_read_factor-b.estd_physical_read_factor > 0 and a.estd_physical_read_factor<1 then
'- BETTER - '
else ' ' end as currsize,
a.estd_physical_read_factor-b.estd_physical_read_factor as best_when_0
from (select size_for_estimate,size_factor,estd_physical_read_factor,rownum r from v\$db_cache_advice) a ,
(select size_for_estimate,size_factor,estd_physical_read_factor,rownum r from v\$db_cache_advice) b where a.r = b.r-1");
select a.name Buffer_Pool, b.size_for_estimate as cache_mb_estimate,
case when b.size_factor=1 then
'&lt;&lt;= Current'
when a.estd_physical_read_factor-b.estd_physical_read_factor > 0.001 and b.estd_physical_read_factor<1 then
'- BETTER than current by ' || round((1-b.estd_physical_read_factor)/b.estd_physical_read_factor*100,2) || '%'
else ' ' end as RATING,
b.estd_physical_read_factor \"Phys. Reads Factor\",
round((a.estd_physical_read_factor-b.estd_physical_read_factor)/b.estd_physical_read_factor*100,2) as \"% Improve\"
from (select size_for_estimate,size_factor,estd_physical_read_factor,rownum r,name from v\$db_cache_advice order by name,1) a ,
(select size_for_estimate,size_factor,estd_physical_read_factor,rownum r,name from v\$db_cache_advice order by name,1) b
where a.r = b.r-1 and a.name = b.name
");
if (!$rs) return false;
/*
The v$db_cache_advice utility show the marginal changes in physical data block reads for different sizes of db_cache_size
*/
$s = "<h3>Data Cache Estimate</h3>";
$s = "<h3>Data Cache Advice Estimate</h3>";
if ($rs->EOF) {
$s .= "<p>Cache that is 50% of current size is still too big</p>";
} else {
$s .= "Ideal size of Data Cache is when \"best_when_0\" changes from a positive number and becomes zero.";
$s .= "Ideal size of Data Cache is when %BETTER gets close to zero.";
$s .= rs2html($rs,false,false,false,false);
}
return $s;
return $s.$this->PGA_Advice();
}
/*
Generate html for suspicious/expensive sql
*/
@@ -368,18 +502,18 @@ select a.size_for_estimate as cache_mb_estimate,
$prefix = '';
$suffix = '';
}
$s .= "\n<tr><td align=right>".$carr[0].'</td><td align=right>'.$carr[1].'</td><td>'.$prefix.$sql.$suffix.'</td></tr>';
}
$sql = $rs->fields[2];
$check = $rs->fields[0].'::'.$rs->fields[1];
$check = $rs->fields[0].'::'.$rs->fields[1];
} else
$sql .= $rs->fields[2];
if (substr($sql,strlen($sql)-1) == "\0") $sql = substr($sql,0,strlen($sql)-1);
$rs->MoveNext();
}
$rs->Close();
$carr = explode('::',$check);
$prefix = "<a target=".rand()." href=\"?&hidem=1&$type=1&sql=".rawurlencode($sql).'&x#explain">';
$suffix = '</a>';
@@ -388,11 +522,11 @@ select a.size_for_estimate as cache_mb_estimate,
$suffix = '';
}
$s .= "\n<tr><td align=right>".$carr[0].'</td><td align=right>'.$carr[1].'</td><td>'.$prefix.$sql.$suffix.'</td></tr>';
return $s."</table>\n\n";
}
// code thanks to Ixora.
// code thanks to Ixora.
// http://www.ixora.com.au/scripts/query_opt.htm
// requires oracle 8.1.7 or later
function SuspiciousSQL($numsql=10)
@@ -403,7 +537,7 @@ select
s.executions executes,
p.sql_text
from
(
(
select
address,
buffer_gets,
@@ -411,7 +545,7 @@ from
pct,
rank() over (order by buffer_gets desc) ranking
from
(
(
select
address,
buffer_gets,
@@ -439,34 +573,34 @@ order by
}
if (isset($_GET['sql'])) return $this->_SuspiciousSQL($numsql);
$s = '';
$timer = time();
$s .= $this->_SuspiciousSQL($numsql);
$timer = time() - $timer;
if ($timer > $this->noShowIxora) return $s;
$s .= '<p>';
$save = $ADODB_CACHE_MODE;
$ADODB_CACHE_MODE = ADODB_FETCH_NUM;
if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
$savelog = $this->conn->LogSQL(false);
$rs = $this->conn->SelectLimit($sql);
$this->conn->LogSQL($savelog);
if (isset($savem)) $this->conn->SetFetchMode($savem);
$ADODB_CACHE_MODE = $save;
if ($rs) {
$s .= "\n<h3>Ixora Suspicious SQL</h3>";
$s .= $this->tohtml($rs,'expsixora');
}
return $s;
}
// code thanks to Ixora.
// code thanks to Ixora.
// http://www.ixora.com.au/scripts/query_opt.htm
// requires oracle 8.1.7 or later
function ExpensiveSQL($numsql = 10)
@@ -477,7 +611,7 @@ select
s.executions executes,
p.sql_text
from
(
(
select
address,
disk_reads,
@@ -508,50 +642,50 @@ order by
";
global $ADODB_CACHE_MODE;
if (isset($_GET['expeixora']) && isset($_GET['sql'])) {
$partial = empty($_GET['part']);
$partial = empty($_GET['part']);
echo "<a name=explain></a>".$this->Explain($_GET['sql'],$partial)."\n";
}
if (isset($_GET['sql'])) {
$var = $this->_ExpensiveSQL($numsql);
return $var;
}
$s = '';
$s = '';
$timer = time();
$s .= $this->_ExpensiveSQL($numsql);
$timer = time() - $timer;
if ($timer > $this->noShowIxora) return $s;
$s .= '<p>';
$save = $ADODB_CACHE_MODE;
$ADODB_CACHE_MODE = ADODB_FETCH_NUM;
if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
$savelog = $this->conn->LogSQL(false);
$rs = $this->conn->Execute($sql);
$this->conn->LogSQL($savelog);
if (isset($savem)) $this->conn->SetFetchMode($savem);
$ADODB_CACHE_MODE = $save;
if ($rs) {
$s .= "\n<h3>Ixora Expensive SQL</h3>";
$s .= $this->tohtml($rs,'expeixora');
}
return $s;
}
function clearsql()
function clearsql()
{
$perf_table = adodb_perf::table();
// using the naive "delete from $perf_table where created<".$this->conn->sysTimeStamp will cause the table to lock, possibly
// for a long time
$sql =
$sql =
"DECLARE cnt pls_integer;
BEGIN
cnt := 0;
FOR rec IN (SELECT ROWID AS rr FROM $perf_table WHERE created<SYSDATE)
FOR rec IN (SELECT ROWID AS rr FROM $perf_table WHERE created<SYSDATE)
LOOP
cnt := cnt + 1;
DELETE FROM $perf_table WHERE ROWID=rec.rr;
@@ -565,6 +699,5 @@ END;";
$ok = $this->conn->Execute($sql);
}
}
?>