sql server - SQL replace occurrances based on a table -

-

hi i've sql issue solve; i've these tables:

table varchar column tst

tst
'2','5','8'
'2','6'
'4','12'

table b int column rep

rep
2
6

i'm looking query (without cycle while) update table in following way:

tst
'r','5','8'
'r','r'
'4','12'

using char 'r' replace occurrances of table b in table a

thanks in advance

sqlfiddle demo

update t1 set tst = stuff(z,1,1,'') --remove leading comma final result (   select --convert original string xml     tst    ,cast('<a>'+replace(tst ,',','</a><a>')+'</a>' xml) x   tst ) t1 cross apply (   select --replace value 'r' when matched in rep     ','+case when rep null y.value('.','varchar(max)') else '''r''' end   x.nodes('a') t2(y) --explode xml separate values   left join rep t3 --match value rep     on y.value('.','varchar(max)') = quotename(rep,char(39))   xml path('') --recompact xml comma-delimited string ) t4(z)

Comments

Post a Comment

Popular posts from this blog

How to run C# code using mono without Xamarin in Android? -

-
i want create program uses mono runtime run c# code (binary not application). i copied libmono.so unity app , i'm write code using documentation: http://www.mono-project.com/docs/advanced/embedding/ and it's working have problems references can access classes mscorlib.dll , have problems system.reflection.assembly class throwing exception, when print console see: system.missingmethodexception: method not found: 'system.reflection.assembly.op_inequality' can fix it? can use mono runtime in c binary on android? ps. i'm using android tests. edit: found solution loading libraries, need set environment variable mono_path libraries path. but have still problems assembly class. the system.missingmethodexception error have seems .net profile mismatch error, 1 explained here . can use mono runtime in c binary on android? yes, using ndk guess. there alternatives can use instead of rolling own, such xmadevlab .
Read more

c# - SharpSsh Command Execution -

-
Image
i trying create ssh client using c#. using tamir.sharpssh library. having issues sending command , getting appropriate response server. the way have been testing sending on ls command, followed cd.. command, followed ls command again -- see whether or not cd.. command being executed properly. however, there no difference between first ls command , second ls command. not entirely sure doing wrong. perhaps using wrong ssh type. have provided code , output getting. have added output expect. using tamir.sharpssh; namespace sshnetexample { class program { static void main(string[] args) { sshexec ssh = null; try { console.write("-connecting..."); ssh = new sshexec(host, username, password); ssh.connect(); console.writeline("ok ({0}/{1})", ssh.cipher, ssh.mac); console.writeline("server version={0}, client versio...
Read more

python - Specify path of savefig with pylab or matplotlib -

-
i struggling on how find correct way specify save path (or repository) when calling function savefig in matplotlib or pylab. i tried several syntaxes, everytime python console returns : filenotfounderror: [errno 2] no such file or directory: '../mydocs/resource/frames/myimage.png' currently, have written following : pylab.savefig('../mydocs/resource/frames/myimage.png') does know how it? thanks in advance! the tilde operator , variable $home entered strings , therefore not function while saving. have provide either relative path (as did) or provide full path. eg. pylab.savefig("/home/username/desktop/myfig.png") .
Read more