REGEXP_SUBSTR for the list delimited by commas with null values

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• Problem using the list separated by commas with nested table element

  Hello
  
  I have a list separated by commas like this:

  H23004,H24005,T7231,T8231,T9231

  And want to create a function that creates a where clause clause for each element with an output like this:

  UPPER('H23004') IN (UPPER(charge))
  OR UPPER('H23005') IN (UPPER(charge))
  OR UPPER('T7231') IN (UPPER(charge))
  OR UPPER('T8231') IN (UPPER(charge))
  OR UPPER('T9231') IN (UPPER(charge))

  Here's my test function that is not working properly:

  create or replace function FNC_LIST_TO_WHERE_CLAUSE(v_list in VARCHAR2) return varchar2 is
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   TYPE batch_type IS TABLE OF pr_stamm.charge%TYPE;
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   return_script varchar2(1000);
  
   BEGIN
   -- loop as long as there are objects left
   FOR i IN v_batch.FIRST .. v_batch.LAST
   LOOP
     --DBMS_OUTPUT.PUT_LINE(offices(i));
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     IF i = 1 THEN
       return_script := 'UPPER(' || v_batch(i) || ') IN (UPPER(charge))';
     ELSE
       return_script := return_script || ' OR UPPER(' || v_batch(i) || ') IN (UPPER(charge))';
     END IF;
   END LOOP;
  
   return (return_script);
   end;

  The out put looks like this:

  UPPER('H23004','H24005','T7231','T8231','T9231') IN (UPPER(charge))

  I don't know what I did wrong? It calculates the amount of the incorrect array element! (v_batch. Must be 5)
  v_batch. FIRST = 1
  v_batch. LAST = 1
  
  Kind regards
  
  Tobias

  Try this...

  declare
  text varchar2 (1000): = "H23004, H24005, T7231, T8231, T9231;
  v_where varchar2 (1000);
  Start
  Text: = text | «, » ;
  While instr (text, ',') <> 0
  loop
  v_where: = v_where | ' UPPER ("': substr (Text, 1, InStr(Text,',',1)-1) |") ' IN (UPPER (load)) OR ';
  text: = substr (text, instr(text,',',1) + 1);
  end loop;
  v_where: = substr (v_where, 1, length (v_where)-3);
  dbms_output.put_line (v_where);
  end;

  convert it to function...

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• How to build a list or a table with fixed values?

  Is it possible to create a list or a table with fixed values, but with a variable length?

  for example:

  var columns = "name, age, function;

  var insertParams = generateList ( listLen (columns), ',','.) » ); *

  fact: insertParams = ',?,??

  
  

  * (this function does not exist. This is just to illustrate what I need)

  I know that this feature is easily created by creating a loop, but I was wondering if it was possible with a single line of code.

  Thank you

  If he can generate a table in the same way, which would be as well.

  Our messages have clashed. But I think that repeatString() would do the trick. You could cut the rear comma with left() or convert it to a table. By default, ListToArray() will silently ignore the trailing comma.

• How to display the line empty as a line with null values

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  Pls advise me if it is possible to use a single query statement to display
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  For example,.
  
  Select the names of names_mst whose name = "sgasfgs".
  
  Result:
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  < null >

  Hello
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• Remove data with null value

  Hello

  I'm using Oracle 11 g. I have a table with an id of 3, node, the value column. Combination of the column id and node, that must be taken account for deletion on the registers.

  Here, I need to delete lines with the NULL value in the value column. If for a combination of id and node with non-null values, then I need to delete rows with a null value for this combination.

  If the combination of id, node is not null value then this records should not delete.

  Below table, I need to remove the second row, for which is a value not zero VOICE CAL '10' is there, so I need to delete the row with null values. (VOICE, CAL, NULL)

  Network, FL, there is no value is non-null then I should NOT delete this line.

  This table is to have 100 s of this association, we can delete data in a single delete query?

  Or how I can delete rows with nulls for this combination.

  Tab1

  VALUE OF THE NŒUD ID

  VOICE CAL 10
  VOICE CAL NULL
  NETWORK NULL FL

  Thank you

  Hello

  oradba11 wrote:

  Hello

  I'm using Oracle 11 g. I have a table with an id of 3, node, the value column. Combination of the column id and node, that must be taken account for deletion on the registers.

  Here, I need to delete lines with the NULL value in the value column. If for a combination of id and node with non-null values, then I need to delete rows with a null value for this combination.

  If the combination of id, node is not null value then this records should not delete.

  Below table, I need to remove the second row, for which is a value not zero VOICE CAL '10' is there, so I need to delete the row with null values. (VOICE, CAL, NULL)

  Network, FL, there is no value is non-null then I should NOT delete this line.

  This table is to have 100 s of this association, we can delete data in a single delete query?

  Or how I can delete rows with nulls for this combination.

  Tab1

  VALUE OF THE NŒUD ID

  VOICE CAL 10
  VOICE CAL NULL
  NETWORK NULL FL

  Thank you

  You can do this in a single DELETE statement (it is not a request), using an EXISTS or IN the subquery.  For example:

  REMOVE table_x m

  WHERE the value IS NULL

  AND THERE ARE)

  SELECT 0

  FROM table_x s

  WHERE s.id = m.id

  AND s.node = m.node

  AND s.value IS NOT NULL

  )

  ;

  If you would care to post CREATE TABLE and INSERT instructions for the sample data, and then I could test it.

• ORDER BY a column with NULL values only

  Hello
  
  The order of column has all null values for the results of my query set.
  
  Ex:
  
  Select a, b, c from table1 where type = 'type1' and ID = "id1" order by column1
  
  In the above query, "column1" contains nulls for 'type1 '. The order of the records in the result set is different for different ID values if the values of a, b and c are always the same.
  What is happening in the 10g database.
  
  I have also observed that the order of the records for the same query conforms in the 9i database.
  
  (1) is the difference due to the difference in versions of database?
  (2) is there a way to get the order even records independently entry ID?
  (3) I cannot in the same order in 10 g DB too as the order in 9i DB?
  
  Thank you.

  Hello

  Madhuri says:
  Hello

  The order of column has all null values for the results of my query set.

  Ex:

  Select a, b, c from table1 where type = 'type1' and ID = "id1" order by column1

  In the above query, "column1" contains nulls for 'type1 '. The order of the records in the result set is different for different ID values if the values of a, b and c are always the same.
  What is happening in the 10g database.

  I have also observed that the order of the records for the same query conforms in the 9i database.

  If two or more rows have the same values (or NULL) for each ORDER BY expressions, then you may not be sure what order they will be. The system is free to do whatever he finds convenient. What the system identifies Dresser can vary depending on many factors, including the version, the size of the table, the conditions in the WHERE clause, there is a GROUP BY clause, or not... In all cases, it is not something that you can depend on. If you want the output in a certain order, to specify the order in the ORDER BY clause.

  (1) is the difference due to the difference in versions of database?

  Could be. In all versions, Oracle said that you cannot count on the order being compatible, except if the ORDER BY clause, it is consistent.

  (2) is there a way to get the order even records independently entry ID?

  Add more expressions at the end of the ORDER BY clause, as tie-breakers.
  For example:

  ORDER BY  column1
  ,         a
  ,         b
  ,         c
  

  If table1 is really a table (not a view), you can add a ROWID.
  In most cases, you can ORDER BY expressions that are not in the SELECT clause. So if you have a primary key, you can usually ORDER BY it, even if you don't see it.

  (3) I cannot in the same order in 10 g DB too as the order in 9i DB?

  Of course, ORDER BY works the same in all versions. If you have an ORDER BY clause to unambiguously, the output will be exactly the same order in any version.
  Remember that the absence of ORDER BY has no effect in all versions. If you have an ORDER BY of ambiguous clause, you can not count on the coming out in a particular order in any version.

• Problem with regexp_substr if the string with null values between commas.

  Hi all
  
  My version of DB is 10.1.0.5.0
  I want to extract the string values using query below, but I am unable to provide the correct result.
  

  WITH t  AS ( select '123,1,3,22' col FROM DUAL
          UNION ALL
          SELECT '123,,2,1' FROM DUAL
          UNION ALL
          SELECT '5,1,2,,' FROM DUAL
          ) 
  SELECT regexp_substr(t.col,'[^,]*',1,1)
        ,regexp_substr(t.col,'[^,]*',1,2)
        ,regexp_substr(t.col,'[^,]*',1,3)
        ,regexp_substr(t.col,'[^,]*',1,4) FROM DUAL,t   ;

  My required result as below.

  123     1      3      22
  123            2       1
  5       1      2        

  Please help me to get the required result by using regular expressions.
  Thanks, Ram

  Hello

  In Oracle 10, you can do so by combining REGEXP_SUBSTR with something else like RTRIM:

  SELECT     RTRIM (REGEXP_SUBSTR (col, '[^,]*(,|$)', 1, 1), ',')     AS part_1
  ,     RTRIM (REGEXP_SUBSTR (col, '[^,]*(,|$)', 1, 2), ',')     AS part_2
  ,     RTRIM (REGEXP_SUBSTR (col, '[^,]*(,|$)', 1, 3), ',')     AS part_3
  ,     RTRIM (REGEXP_SUBSTR (col, '[^,]*(,|$)', 1, 4), ',')     AS part_4
  FROM     t
  ;
  

  Starting Oracle 11 REGEXP_SUBSTR alone can do.

  But look at the first response; regular expressions will be probably less effective than less powerful features, especially when all channels have the same number of separators.

  Published by: Frank Kulash on 29 December 2012 08:36

• External table for the file delimmited by commas

  Im trying to create a table of externla for the comma-delimited file
  but it also has a scenario where the fields can have a comma between "" e.g.
  
  example of record
  

  1,one,first
  2,two,second
  3,three,third
  4,four,"4,fourth"

  Example of table
  

  create table ext_table_csv (
    i   Number,
    n   Varchar2(20),
    m   Varchar2(20)
  )
  organization external (
    type              oracle_loader
    default directory ext_dir
    access parameters (
      records delimited  by newline
      fields  terminated by ','
      missing field values are null
    )
    location ('file.csv')
  )
  reject limit unlimited;

  So when I question this record 4 table of Externla will be read as
  
  M/2
  

  i           n                      m
  4         four     "4
  {code}
  Above Ext table is just an example, Im adding bad file and log file in real table.
  
  Please help me if there is a way this can be resolved with external table.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

  Change the definition of:

  FIELDS TERMINATED BY ', '.

  TO:

  FIELDS ENDED BY ',' POSSIBLY FRAMED BY "" "

• A loop in a refcursor for the list of dates as a string

  Hello
  I have a simple procedure that gives me the list of dates and dates
  I need to get the dates dates separated by commas
  I don't know if this can be done directly by making a loop on the refcursor or I have to go pick her up in a file/table and then concatenate with comma, or is there anything else that can be done.
  I tried some stuff like below
  
  PS help out me
  the procedure is that returns the list of dates

  CREATE OR REPLACE procedure SALUSER.prm_sp_rpt_payslip_lop_dates(p_empid in int,p_tran_year in int,p_tran_month in integer,o_dates out sys_refcursor)
  as
  begin
   open o_dates for select  to_char(PHL_LOP_FROM,'DD-Mon-YYYY'),to_char(PHL_LOP_TO,'DD-Mon-yyyy') 
                   from prm_h_lop
                   where phl_emp_id=p_empid
                     and phl_tran_year=p_tran_year
                     and phl_Tran_month=p_tran_month;
  
                 
   end;
  /

  I need my o/p as

  dates :<date1>,<date2>...etc

  Kind regards

  Maybe sth. as

  SQL>  var cur refcursor
  
  SQL>  declare
   cr sys_refcursor;
   procedure prm_sp_rpt_payslip_lop_dates (cr in out sys_refcursor)
   as
   begin
     open cr for select hiredate from emp;
   end prm_sp_rpt_payslip_lop_dates;
  begin
   prm_sp_rpt_payslip_lop_dates(cr);
   open :cur for select 'Dates: ' || column_value dates from xmltable('string-join(//text(), ", ")' passing xmltype(cr));
  end;
  /
  PL/SQL procedure successfully completed.
  
  SQL>  print cur
  
  DATES
  --------------------------------------------------------------------------------
  Dates: 17-Dec-1980, 20-Feb-1981, 22-Feb-1981, 02-Apr-1981, 28-Sep-1981, 01-May-1
  981, 09-Jun-1981, 19-Apr-1987, 17-Nov-1981, 08-Sep-1981, 23-May-1987, 03-Dec-198
  1, 03-Dec-1981, 23-Jan-1982                                                     
  
  1 row selected.