BPEL 2.0: assessment of the values of node in the forEach loop

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  I have the table names in the list box to check if the same tables has same columns. For example

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  ALTER table EMPLOYEE add DESCRIPTION VARCHAR2 (15);

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  foreach (string Items in listBox3.Items)
   {
   using (OracleCommand crtCommand = new OracleCommand("with src as(select src.table_name src_table_name, src.column_name src_col_name, src.data_type src_data_type, src.data_length src_data_len, src.data_precision src_data_precision, src.data_scale src_data_scale, src.nullable src_nullable,decode(T.Constraint_Type,'P', 'Primary Key','U','Unique','') as src_cons from all_tab_columns src left join (select Cc.Column_Name,Uc.Constraint_Type from user_cons_columns cc, user_constraints uc where Cc.Constraint_Name = Uc.Constraint_Name and Cc.Table_Name = Uc.Table_Name) t on T.Column_Name = Src.Column_Name where table_name = '" + Items + "' and owner='" + txtSrcUserID.Text + "'), tgt as(select tgt.table_name tgt_table_name, tgt.column_name tgt_col_name, tgt.data_type tgt_data_type, tgt.data_length tgt_data_len, tgt.data_precision tgt_data_precision, tgt.data_scale tgt_data_scale, tgt.nullable tgt_nullable, decode(T.Constraint_Type,'P', 'Primary Key','U','Unique','') as tgt_cons from all_tab_columns tgt left join (select Cc.Column_Name,Uc.Constraint_Type from user_cons_columns cc, user_constraints uc where Cc.Constraint_Name = Uc.Constraint_Name and Cc.Table_Name = Uc.Table_Name) t on T.Column_Name = tgt.Column_Name where table_name = '"+Items+"' and owner='" + txtDesUserID.Text + "'), col_details as(select src.src_table_name, nvl(tgt.tgt_table_name, first_value(tgt_table_name) over(order by tgt_table_name nulls last)) tgt_table_name, src.src_col_name, src.src_data_type, src.src_data_len, src.src_data_precision, src.src_data_scale, src.src_nullable,src_cons, tgt.tgt_col_name, tgt.tgt_data_type, tgt.tgt_data_len, tgt.tgt_data_precision, tgt.tgt_data_scale, tgt.tgt_nullable,tgt_cons from src full outer join tgt on (src.src_col_name = tgt.tgt_col_name))select * from (select case when tgt_data_type != src_data_type or tgt_data_len != src_data_len or tgt_data_precision != src_data_precision or tgt_data_scale != src_data_scale or tgt_nullable != src_nullable then 'alter table ' || tgt_table_name || ' modify ' || tgt_col_name || ' ' || src_data_type || ' ' || case when src_data_type in ('DATE') then null else case when src_data_type in ('VARCHAR', 'VARCHAR2') then ' (' ||nvl(to_char(src_data_len), ' ') || ') 'else decode(nvl(src_data_precision, -1), -1, null, nvl(to_char(src_data_precision), ' ') || ', ' || nvl(to_char(src_data_scale), ' ') || ')') end end || case when tgt_nullable = 'Y' then ' null ' else ' not null ' end || tgt_cons when tgt_col_name is null then 'alter table ' || tgt_table_name || ' add ' || src_col_name || ' ' || ' ' || ' ' || src_data_type || ' ' || case when src_data_type in ('DATE') then null else case when src_data_type in ('VARCHAR', 'VARCHAR2')then '('|| nvl(to_char(src_data_len), ' ') || ') ' else decode(nvl(src_data_precision, -1), -1, null, nvl(to_char(src_data_precision), ' ') || ', ' || nvl(to_char(src_data_scale), ' ') || ')')end end || tgt_cons when src_col_name is null then 'alter table '|| tgt_table_name ||' drop '||tgt_col_name end alter_statement from col_details) where alter_statement is not null", conn1))
   {
   var result = crtCommand.ExecuteScalar();

   if (result != null)
   {
  richTextBox1.AppendText(Environment.NewLine);
  richTextBox1.AppendText(result.ToString() + ";");
  richTextBox1.AppendText(Environment.NewLine);
   }
   else
   {
   continue;
   }

   }  
   }

  
  

  This is the same query:

  
  

  with the CBC as

  (

  Select src.table_name src_table_name, src.column_name src_col_name, src.data_type src_data_type, src.data_length src_data_len, src.data_precision src_data_precision, src.data_scale src_data_scale,

  CBC. Nullable src_nullable, decode (T.Constraint_Type, 'P', 'Primary Key', 'U', 'Unique', ") as src_cons

  all_tab_columns CBC

  left join (select Cc.Column_Name, Uc.Constraint_Type

  of user_cons_columns cc, uc user_constraints

  where Cc.Constraint_Name = Uc.Constraint_Name

  and Cc.Table_Name = Uc.Table_Name) t

  on T.Column_Name = Src.Column_Name

  where table_name = ' EMPLOYEE worker ' and owner = "ERHAN"

  ),

  As TGT

  (

  Select tgt.table_name tgt_table_name, tgt.column_name tgt_col_name, tgt.data_type tgt_data_type, tgt.data_length tgt_data_len,

  TGT.data_precision tgt_data_precision, tgt.data_scale tgt_data_scale, tgt.nullable tgt_nullable,

  Decode (T.Constraint_Type, 'P', 'Primary Key', 'U', 'Unique', ") as tgt_cons

  from all_tab_columns tgt

  left join (select Cc.Column_Name, Uc.Constraint_Type

  of user_cons_columns cc, uc user_constraints

  where Cc.Constraint_Name = Uc.Constraint_Name

  and Cc.Table_Name = Uc.Table_Name) t

  on T.Column_Name = TGT. Column_Name

  where table_name = 'EMPLOYEE' and owner = "SARIGUL"

  ),

  col_details as

  (

  Select src.src_table_name, nvl (tgt.tgt_table_name, first_value (tgt_table_name) more (order of nulls last tgt_table_name)) tgt_table_name;

  SRC.src_col_name, src.src_data_type, src.src_data_len, src.src_data_precision, src.src_data_scale, src.src_nullable, src_cons,

  TGT.tgt_col_name, tgt.tgt_data_type, tgt.tgt_data_len, tgt.tgt_data_precision, tgt.tgt_data_scale, tgt.tgt_nullable, tgt_cons

  the CBC

  outer join full tgt

  on)

  SRC.src_col_name = tgt.tgt_col_name

  )

  )

  Select *.

  BeO

  Select the case sensitive option

  When tgt_data_type! = src_data_type or tgt_data_len! = src_data_len or tgt_data_precision! = src_data_precision or tgt_data_scale! = src_data_scale or tgt_nullable! = src_nullable

  then 'alter table ' | tgt_table_name | 'Edit ' | tgt_col_name | ' ' || src_data_type | ' ' ||

  -case when src_data_type null ('DATE') then

  on the other

  case

  When src_data_type in ('VARCHAR', 'VARCHAR2')

  then ' (' |) NVL (to_char (src_data_len), ' ') | ') '

  otherwise decode (nvl (src_data_precision-1),-1, null, nvl (to_char (src_data_precision), ' ') |) ', ' || NVL (to_char (src_data_scale), ' ') | ')')

  end

  end

  ||

  cases where tgt_nullable = 'Y' then 'null '.

  of another end 'not null '.

  || tgt_cons

  When tgt_col_name is null

  then 'alter table ' | tgt_table_name | 'Add ' | src_col_name | ' ' ||  ' ' || ' ' || src_data_type | ' ' ||

  -case when src_data_type null ('DATE') then

  on the other

  case

  When src_data_type in ('VARCHAR', 'VARCHAR2')

  then ' ('| nvl (to_char (src_data_len), ' ') |) ') '

  otherwise decode (nvl (src_data_precision-1),-1, null, nvl (to_char (src_data_precision), ' ') |) ', ' || NVL (to_char (src_data_scale), ' ') | ')')

  end

  end

  || tgt_cons

  When src_col_name is null

  then 'alter table' | tgt_table_name: ' drop '. tgt_col_name

  end alter_statement

  of col_details

  )

  where alter_statement is not null;

  
  

  After reading the post, I could not understand if you mean that the problem is with your query or the code displays the result on your UI.

  The query returns a correct result when it is run on SQL Prompt?

  If this is the case, then perhaps problem exists with your logic to assign variables. Maybe, you need a loop in the set of results rather that by assigning them once. Or maybe not, because I do not know what language you are using.

  var result = crtCommand.ExecuteScalar();
  
     if (result != null)
     {
    richTextBox1.AppendText(Environment.NewLine);
    richTextBox1.AppendText(result.ToString() + ";");
    richTextBox1.AppendText(Environment.NewLine);
     }
     else
     {
     continue;
     }
  

  If you say, there is problem with the query, it's a good place to ask your question, but you must provide the Table definitions that can be replicated.

  If the query works fine, then maybe consider posting this question at an appropriate forum (c#).

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  A.

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  Oracle 10.1.2
  SOA Suite 10.1.3.4
  
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  JB

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  http://www.prshanmu.com/articles

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  Hello

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  It's more clear now?

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• How the entry changes with each iteration of the while loop

  Hello

  can anyone explain (clarify) to know how or what contribution will be fed like the d block of adaptive filtering for the first, second entry (n) and remaining iterations of the while loop as shown in the picture as an attachment...

  As I need to feed the e (n) out of the while loop as input d (n) to the Adaptive block for the first iteration for the next iteration of the previous output e (n) of the block Adaptive must be fed back as input (n) d and other x (n) of entry form the DAQmx.

  Thank you.

  You have a shift register on the edge of the loop, so for the first iteration, the input (n) d will get everything that feeds the shift register on the left of the outside. After that the adaptive filtering performed, e (n) is injected in the shift to the right, register to be read from the shift register on the left on the next iteration. And so on. This seems pretty much what you want.

  PatanGova wrote:

  As I need to feed the e (n) out of the while loop as input d (n) to the Adaptive block for the first iteration for the next iteration of the previous output e (n) of the block Adaptive must be fed back as input (n) d and other x (n) of entry form the DAQmx.

  If you need retain the value in calls, use a node that is initialized in the world of feedback to feed out of the while loop at the entrance.