use count (*) in EXECUTE IMMEDIATE

Hi all

I use Oracle 10 g R2.
I'm trying to get the number of records in a table, whose name is given when running. I don't know how to return the value of count (*) in a variable.
I need a treatment based on this charge.

I thought I can use back in the clause, but seem to work with column names only.
Any suggestions/indiactors appreciated.
Thank you.

GK

Hello

Try this
-not tested

declare
sql_stmt VARCHAR2 (2000);
lv_output varchar2 (10);
Start
sql_stmt: = "Select count * from table_name';"
Run immediately sql_stmt into lv_output;
dbms_output.put_line (lv_output);
end;

Thank you

Tags: Database

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    The number of this line is: 0000009

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    d_pr t1, t2 age_map t3 law

    where

    T1.pfx = "WE"and t1.coy ="1" and t1.tabl = "T81" and substr (t1.itemitem, 1, 3) = t2.product_id and t3. AGE_NUM = t2.age_id

    Group

    substr (T1.genarea, 3, 3),

    substr (T1.genarea, 6, 30),

    substr (T1.genarea, 36, 3),

    substr (T1.genarea, 39, 30),

    substr (T1. ItemItem, 1, 3).

    T3. CHANNEL_NUM,

    to_date(''t2.time_id'',''dd-mon-yyyy'')

    )');

    COMMIT;

    END PopulateTable1;

    END test;

    /

    Thank you

    Hello

    a few notes.

    1. to_date(t2.time_id,'dd-mon-yyyy')

    New York T2.Time_ID Cis the varchar2 data type that contains values to JJ-me-YYYY format?

    And if, in which language is used for the names of the months? Conversions are point impossible to solve in reasonable time limits without logging of dml errors and unique failure on charges of staging nightly!


    2 single quote escaping "alternative in string literals.

    You can use Q or q to escape single quotes in strings.

    http://docs.Oracle.com/database/121/SQLRF/sql_elements003.htm#SQLRF00218

    3. validation

    Not required because the DDL commands commit implied.

    In general I recommend you write commit clauses only in calling script rather than in the code unless it connects with an autonomous transaction.

    You end up with a lot of validation of code here and there and you don't know where it is and where it isn't. That is, your process may have more than one appeal process and commit the middle of the process, it is not atomic processes.

    Here's the demo although I recommend also using the static table and truncate to efficiency. ETG is good choice for the purpose of maintenance table.

    create or replace
    package testing is
      procedure staging_one;
    end;
    /
    create or replace
    package body testing is
      --
      procedure staging_one is
        --
        procedure drop_staging_one is
          table_does_not_exist exception;
          pragma exception_init(table_does_not_exist, -00942);
        begin
          execute immediate q'{
            drop table staging_one purge
          }';
        exception when table_does_not_exist then
          return; -- fine
        end;
        --
        procedure create_staging_one is
        begin
          execute immediate q'{
    
            -- remove >>>
            create table staging_one nologging
            as
            select * from dual
            -- <<< remove
    
            /* uncomment >>>
            create table staging_one nologging
            as
            select
              substr(t1.genarea,3,3)                    as m_class,
              substr(t1.genarea,6,30)                   as m_description,
              substr(t1.genarea,36,3)                   as m_class,
              substr(t1.genarea,39,30)                  as m_description,
              substr(t1.itemitem,1,3)                   as product_code,
              t3.channel_num                            as sales_channel,
              to_date(t2.time_id,'dd-mon-yyyy')         as mis_date,
              sum(t2.ap_cw_cfi_irp+t2.ap_cw_issues_irp) as ap_gross,
              sum(t2.ap_cw_cfi_irp+t2.ap_revivals_irp)  as ap_net,
              sum(t2.sp_inc_irp   +t2.sp_issues_irp)    as sp_gross,
              sum(t2.sp_dec_irp   +t2.sp_fs_irp)        as sp_net
            from
              d_pr t1,
              act t2,
              age_map t3
            where
              t1.pfx                      = 'IT'
              and t1.coy                  = '1'
              and t1.tabl                 = 'T81'
              and substr(t1.itemitem,1,3) = t2.product_id
              and t3.age_num              = t2.age_id
            group by
              substr(t1.genarea,3,3),
              substr(t1.genarea,6,30),
              substr(t1.genarea,36,3),
              substr(t1.genarea,39,30),
              substr(t1.itemitem,1,3),
              t3.channel_num,
              to_date(t2.time_id,'dd-mon-yyyy')
            <<< uncomment */
          }';
          --
        end;
      -- main
      begin
        drop_staging_one;
        create_staging_one;
      end;
    end;
    /
    
    set serveroutput on
    
    exec testing.staging_one;
    
    select * from staging_one
    ;
    commit
    ;
    
    PACKAGE TESTING compiled
    PACKAGE BODY TESTING compiled
    anonymous block completed
    DUMMY
    -----
    X 
    
    committed.
    

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