SQWareProduction:sybase:bin:sqwsyb UpdtStatsDatabase.ksh

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Presentation

Script $gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh :


update index Statistics
use the command 'update index Statistics $lvsqw_Owner.$lvsqw_Table'
compute Statistics on all indexed columns
you can also force delete with 'delete Statistics $lvsqw_Owner.$lvsqw_Table'
dynamically calculates a sample to put option 'with sampling=$lvsqw_SamplePct percent'



Online help

The online help is available for most scripts with the -h option.
Ex: $gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -h
Content of this assistance :

Sourcing sqwsyb_Global.lib v4.0.06 SQWareProduction for Sybase (dbSQWare) ... 

Usage: sqwsyb_UpdtStatsDatabase.ksh [-h] -S|-I <dataserver> [+ options]

DESCRIPTION
   sqwsyb_UpdtStatsDatabase.ksh 'update index statistics table' for all tables
SUPPORT
   Sybase supported versions: 15 <= v <= 16.0

PARAMETERS
     -S|-I  dataserver  : Target dataserver.
     -D  database       : Database name.
OPTIONS
     -h  help           : Display the full usage.
     -s                 : Display samples of usage.
     -IT   listtables   : Tables list for running analyze tables (by default all).
     -ET   listtables   : Tables list to exclude.
     -IL   likeclause   : Like clause to generate tables list (example: 'tbl%').
     -EL   likeclause   : Like clause to exclude tables (example: 'notbl%').
     -WCT  whereclause  : Where clause to generate tables list.
     -FSS  SampleSize   : To force sample size.
     -Del               : Delete stats before compute.
     -NoMail            : Desactivate sendmail on error pmexpdba@gmail.com (by default, send on error).
     -FRT  return_code  : Force return code value on error.
     -Dist              : For distant connection to database (change $gvsqw_DbaUser to $gvsqw_DistDbaUser ).
     -Type type         : Type of statistics 'default','index','table','all' (default index).
     -AddMail email     : Email Address to add at 'pmexpdba@gmail.com'.
     -SendReport        : Send execution log report.
     -SizeMaxTable Size : Take into account tables =< $lvsqw_SizeMaxTable Mb (by default, 1000000 Mb).
     -MinPctChange pct  : Min pct change to take table into acgount (by default, datachange>=10).
     -Hashing           : Enable hashing (when rowcount >= 1000000) when ASE version >= 15.7 ESD#2 or SP50 (by default, False).
     -NoHashing         : Disable hashing.
     -HashSize  Size    : Minimum rowcount for hashing (by default, 1000000).
     -Exec              : Run update statistics (default, display generated commands).

Nuvola apps information.png
Note:
To be sure the aid is accurate, refer directly to the online help script -h option.


Error management

Errors passing arguments

This type of message is generated:

Lack 'dataserver' parameter, Usage: sqwsyb_UpdtStatsDatabase.ksh [-h] -S|-I <dataserver> [+ options]
For full help : sqwsyb_UpdtStatsDatabase.ksh -h

If you are connecting through a terminal, no mail will be sent and you will have more this kind of message:

No send mail because you are in connected mode !!!
Lack 'dataserver' parameter

If you are not connected to a terminal, the error message appears and is sent by mail to the address contained in the variable $gvsqw_Mail_sybase (See help customize this variable). The subject line will always start by "$gvsqw_MailMsg_sybase : " (See help customize this variable).

Nuvola apps information.png
Note:
Sending mail can be disabled by the option -NoMail for one execution.


Execution errors

Whether you are or not connected to a terminal, the error message appears and an email containing a summary of treatment errors is sent to the address contained in the variable $gvsqw_Mail_sybase (See help customize this variable). The subject line will always start by "$gvsqw_MailMsg_sybase : " (See help customize this variable).

Nuvola apps information.png
Note:
Sending mail can be disabled by the option -NoMail for one execution.


Usage examples

Sourcing sqwsyb_Global.lib v4.0.06 SQWareProduction for Sybase (dbSQWare) ... 

#Standard help for script sqwsyb_UpdtStatsDatabase.ksh:


$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -h
#Display online help for this script

$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -NoMail
#Desactivate sendmail on error to $gvsqw_GlobalMail (by default, send on error)

$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -Exec
#Execute generated commands

$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName>
#Generate commands but don't execute them !

$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -FSS <SampleSize> -Exec
#to force sample size 'with sampling=<SampleSize> percent'
#by default, script dynamically calculates this sample

$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -Del -Exec
#delete statistics before compute them: 'delete statistics $lvsqw_Owner.$lvsqw_Table'

$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -FRT <NumericValue> -Exec
#Force return code to '<NumericValue>' on error (if no error, exit 0!)
#You can also force return code of this script on all your
#environnement if you set the variable: $gvsqw_ForcedReturnCodeScript_sqwsyb_UpdtStatsDatabase=<NumericValue>
#in configuration file $gvsqw_SybBin/../etc_cust/sqwsyb_GlobalVar.cfg

#Options to generate table list with filters (you can mix all off them):
$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -IT <listtbl>
#Generate table list with 'in list':
#=> and name in ('$ListInclude')
$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -ET <listtbl>
#Generate table list with 'not in list':
#=> and name not in ('$ListExclude')
$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -IL <likeclause>
#Generate table list with 'like':
#=> and name like '$LikeClause'
$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -EL <likeclause>
#Generate table list with 'not like':
#=> and name not like '$NotLikeClause'
$gvsqw_SybBin/sqwsyb_UpdtStatsDatabase.ksh -S $DSQUERY -D <DbName> -W <whereclause>
#Generate table list with 'where clause':
#=> and '$WhereClause'

Nuvola apps information.png
Note:
To be sure the examples are accurate, refer directly to the online help script -s option.