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2014-02-18

how-to build binaries on Unix / Linux as non-root account from rpm's

         #how-to extracts rpm packages contents
         export ins=foo-bar.rpm
         rpm2cpio $ins | cpio -idv
         #how-to extract *.tar.gz 
         gzip -dc foo-bar.tar.gz | tar xvf –
         cd foo-bar-dir
         # how-to extract tar.gz packages in the cwd
         export file=foo-bar.tar.gz
         # gotcha xovf - switch order matters !!!
         gzip -dc $file| tar -xovf -
         #how-to build binaries as a non-root 
         ./configure --prefix=$HOME && make && make install

how-to compare dates in nzsql

-- how-to compare dates with different formats
-- how-to convert timestamp and date to bigint
-- how-to use if else struct
SELECT CASE 
   when 
      cast (to_char( (current_timestamp + interval '0 days' ) , 'yyyymmddHHMMSS') as bigint)=
      cast (to_char(NOW() , 'yyyymmddHHMMSS') as bigint)
   then 
         'are equal'
   else 
          'are NOT equal'
END
; 

2014-02-15

how-to list all the install packages on cygwin


export gen_install_cmd=/cygdrive/C/Data/`hostname`/conf/install/install-cygwin-on-`hostname`.cmd
echo $gen_install_cmd
mkdir -p `dirname $gen_install_cmd`
echo mkdir -p `dirname $gen_install_cmd`
for package in `cygcheck -c | perl -nle 'm/([a-zA-Z\.\-\+_0-9]*)\s+/g;print $1'`; do echo echo "setup-x86_64.exe -n -q -s http://cygwin.mirror.constant.com -P $package" ; done > $gen_install_cmd
Now all you need is : EDIT THE C:\Data\%COMPUTERNAME%\conf\install\install-cygwin-on-%COMPUTERNAME%.cmd add ( by adding new lines ) , enable ( by disabling the echo in front) or disable packages Start - Run - type cmd :: elavate to local admin yourself RUNAS /profile /user:%COMPUTERNAME%\some_local_admin_user cmd.exe ::otherwise your admin will not able to the winnt dir cd C:\Temp C:\Data\%COMPUTERNAME%\conf\install\install-cygwin-on-%COMPUTERNAME%.cmd

2014-02-05

how-to list all netezza db sizes

SELECT 'ALL' AS DatabaseName
 , SUM ( UsedSpace_GB ) AS DatabaseName
 , SUM ( AllocatedSpace_GB ) AS UsedSpace_GB
 , current_timestamp as CurrentTime
 FROM (
      SELECT ORX.database::nvarchar(64) AS DatabaseName ,
      case when sum(SOD.used_bytes) is null then 0 else SUM(SOD.used_bytes)/1073741824 end AS UsedSpace_GB,
      case when sum(SOD.allocated_bytes) is null then 0 else SUM(SOD.allocated_bytes)/1073741824 end AS AllocatedSpace_GB,
      current_timestamp as CurrentTime
      FROM _V_SYS_OBJECT_DSLICE_INFO SOD INNER JOIN _V_OBJ_RELATION_XDB ORX ON ORX.objid = SOD.tblid
      GROUP BY CurrentTime, DatabaseName
) AS ALL_DB_SIZES
UNION ALL
      SELECT ORX.database::nvarchar(64) AS DatabaseName ,
      case when sum(SOD.used_bytes) is null then 0 else SUM(SOD.used_bytes)/1073741824 end AS UsedSpace_GB,
      case when sum(SOD.allocated_bytes) is null then 0 else SUM(SOD.allocated_bytes)/1073741824 end AS AllocatedSpace_GB,
      current_timestamp as CurrentTime
      FROM _V_SYS_OBJECT_DSLICE_INFO SOD INNER JOIN _V_OBJ_RELATION_XDB ORX ON ORX.objid = SOD.tblid
      GROUP BY CurrentTime, DatabaseName
      ORDER BY UsedSpace_GB DESC
;

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