ABAP Select data from SAP table IDCN_ZJFSTR_OLD_BATCH_INPUTS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IDCN_ZJFSTR_OLD_BATCH_INPUTS table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to IDCN_ZJFSTR_OLD_BATCH_INPUTS. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the IDCN_ZJFSTR_OLD_BATCH_INPUTS table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_IDCN_ZJFSTR_OLD_BATCH_INPUTS TYPE STANDARD TABLE OF IDCN_ZJFSTR_OLD_BATCH_INPUTS,
      WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS TYPE IDCN_ZJFSTR_OLD_BATCH_INPUTS,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <IDCN_ZJFSTR_OLD_BATCH_INPUTS> TYPE IDCN_ZJFSTR_OLD_BATCH_INPUTS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IDCN_ZJFSTR_OLD_BATCH_INPUTS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IDCN_ZJFSTR_OLD_BATCH_INPUTS
  INTO TABLE IT_IDCN_ZJFSTR_OLD_BATCH_INPUTS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDCN_ZJFSTR_OLD_BATCH_INPUTS
*  INTO TABLE @DATA(IT_IDCN_ZJFSTR_OLD_BATCH_INPUTS2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_IDCN_ZJFSTR_OLD_BATCH_INPUTS INDEX 1 INTO DATA(WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IDCN_ZJFSTR_OLD_BATCH_INPUTS ASSIGNING <IDCN_ZJFSTR_OLD_BATCH_INPUTS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDCN_ZJFSTR_OLD_BATCH_INPUTS>-DESTSYS = 1.
<IDCN_ZJFSTR_OLD_BATCH_INPUTS>-DESTAPP = 1.
<IDCN_ZJFSTR_OLD_BATCH_INPUTS>-DATATYP = 1.
<IDCN_ZJFSTR_OLD_BATCH_INPUTS>-MANDANT = 1.
<IDCN_ZJFSTR_OLD_BATCH_INPUTS>-GROUPID = 1.

ENDLOOP.

LOOP AT IT_IDCN_ZJFSTR_OLD_BATCH_INPUTS INTO WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS-PROGID, sy-vline,
  WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS-FORMID, sy-vline,
  WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS-QATTRIB, sy-vline,
  WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS-QID, sy-vline,
  WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS-QSTATE, sy-vline,
  WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS-QERASE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_IDCN_ZJFSTR_OLD_BATCH_INPUTS TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_IDCN_ZJFSTR_OLD_BATCH_INPUTS INTO WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR, 
DESTSYS TYPE STRING,
DESTAPP TYPE STRING,
DATATYP TYPE STRING,
MANDANT TYPE STRING,
GROUPID TYPE STRING,
PROGID TYPE STRING,
FORMID TYPE STRING,
QATTRIB TYPE STRING,
QID TYPE STRING,
QSTATE TYPE STRING,
QERASE TYPE STRING,
USERID TYPE STRING,
PASSWD TYPE STRING,
CREATOR TYPE STRING,
CREDATE TYPE STRING,
CRETIME TYPE STRING,
STARTPGID TYPE STRING,
STARTMODE TYPE STRING,
STARTDATE TYPE STRING,
STARTTIME TYPE STRING,
PUTACTIVE TYPE STRING,
PUTPID TYPE STRING,
PUTTRANS TYPE STRING,
PUTBLOCK TYPE STRING,
PUTDATE TYPE STRING,
PUTTIME TYPE STRING,
GETACTIVE TYPE STRING,
GETPID TYPE STRING,
GETTRANS TYPE STRING,
GETBLOCK TYPE STRING,
GETDATE TYPE STRING,
GETTIME TYPE STRING,
TRANSCNT TYPE STRING,
MSGCNT TYPE STRING,
TRANSCNTE TYPE STRING,
MSGCNTE TYPE STRING,
TRANSCNTD TYPE STRING,
MSGCNTD TYPE STRING,
TRANSCNTF TYPE STRING,
MSGCNTF TYPE STRING,
NEXT_ACTION TYPE STRING,
STATUS TYPE STRING,
HAS_ERRORS TYPE STRING,
CAN_DEL_TXT TYPE STRING,
ERROR_LOG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-DESTSYS sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-DESTAPP sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-DATATYP sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-MANDANT sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-GROUPID sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-PROGID sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-FORMID sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-QATTRIB sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-QID sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-QSTATE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-QERASE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-USERID sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-PASSWD sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-CREATOR sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-CREDATE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-CRETIME sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-STARTPGID sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-STARTMODE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-STARTDATE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-STARTTIME sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-PUTACTIVE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-PUTPID sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-PUTTRANS sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-PUTBLOCK sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-PUTDATE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-PUTTIME sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-GETACTIVE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-GETPID sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-GETTRANS sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-GETBLOCK sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-GETDATE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-GETTIME sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-TRANSCNT sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-MSGCNT sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-TRANSCNTE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-MSGCNTE sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-TRANSCNTD sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-MSGCNTD sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-TRANSCNTF sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-MSGCNTF sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-NEXT_ACTION sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-STATUS sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-HAS_ERRORS sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-CAN_DEL_TXT sy-vline 
WA_IDCN_ZJFSTR_OLD_BATCH_INPUTS_STR-ERROR_LOG sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.