ABAP Select data from SAP table PCCE_S_WORK_BAL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PCCE_S_WORK_BAL 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 PCCE_S_WORK_BAL. 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 PCCE_S_WORK_BAL 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_PCCE_S_WORK_BAL TYPE STANDARD TABLE OF PCCE_S_WORK_BAL,
      WA_PCCE_S_WORK_BAL TYPE PCCE_S_WORK_BAL,
      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: <PCCE_S_WORK_BAL> TYPE PCCE_S_WORK_BAL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCCE_S_WORK_BAL
*  INTO TABLE @DATA(IT_PCCE_S_WORK_BAL2).
*--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_PCCE_S_WORK_BAL INDEX 1 INTO DATA(WA_PCCE_S_WORK_BAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCCE_S_WORK_BAL>-ABART = 1.
<PCCE_S_WORK_BAL>-LGART = 1.
<PCCE_S_WORK_BAL>-APZNR = 1.
<PCCE_S_WORK_BAL>-CNTR1 = 1.
<PCCE_S_WORK_BAL>-CNTR2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCCE_S_WORK_BAL-CNTR3, sy-vline,
  WA_PCCE_S_WORK_BAL-ALZNR, sy-vline,
  WA_PCCE_S_WORK_BAL-C1ZNR, sy-vline,
  WA_PCCE_S_WORK_BAL-BTZNR, sy-vline,
  WA_PCCE_S_WORK_BAL-ABZNR, sy-vline,
  WA_PCCE_S_WORK_BAL-V0TYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCCE_S_WORK_BAL 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_PCCE_S_WORK_BAL 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_PCCE_S_WORK_BAL INTO WA_PCCE_S_WORK_BAL.


*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_PCCE_S_WORK_BAL_STR, 
ABART TYPE STRING,
LGART TYPE STRING,
APZNR TYPE STRING,
CNTR1 TYPE STRING,
CNTR2 TYPE STRING,
CNTR3 TYPE STRING,
ALZNR TYPE STRING,
C1ZNR TYPE STRING,
BTZNR TYPE STRING,
ABZNR TYPE STRING,
V0TYP TYPE STRING,
V0ZNR TYPE STRING,
ZEINH TYPE STRING,
BETPE TYPE STRING,
ANZHL TYPE STRING,
BETRG TYPE STRING,
RTE_CURR TYPE STRING,
AMT_CURR TYPE STRING,
PERNR TYPE STRING,
PERNR_FOREIGN TYPE STRING,
INDLG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCCE_S_WORK_BAL_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_PCCE_S_WORK_BAL_STR-ABART sy-vline 
WA_PCCE_S_WORK_BAL_STR-LGART sy-vline 
WA_PCCE_S_WORK_BAL_STR-APZNR sy-vline 
WA_PCCE_S_WORK_BAL_STR-CNTR1 sy-vline 
WA_PCCE_S_WORK_BAL_STR-CNTR2 sy-vline 
WA_PCCE_S_WORK_BAL_STR-CNTR3 sy-vline 
WA_PCCE_S_WORK_BAL_STR-ALZNR sy-vline 
WA_PCCE_S_WORK_BAL_STR-C1ZNR sy-vline 
WA_PCCE_S_WORK_BAL_STR-BTZNR sy-vline 
WA_PCCE_S_WORK_BAL_STR-ABZNR sy-vline 
WA_PCCE_S_WORK_BAL_STR-V0TYP sy-vline 
WA_PCCE_S_WORK_BAL_STR-V0ZNR sy-vline 
WA_PCCE_S_WORK_BAL_STR-ZEINH sy-vline 
WA_PCCE_S_WORK_BAL_STR-BETPE sy-vline 
WA_PCCE_S_WORK_BAL_STR-ANZHL sy-vline 
WA_PCCE_S_WORK_BAL_STR-BETRG sy-vline 
WA_PCCE_S_WORK_BAL_STR-RTE_CURR sy-vline 
WA_PCCE_S_WORK_BAL_STR-AMT_CURR sy-vline 
WA_PCCE_S_WORK_BAL_STR-PERNR sy-vline 
WA_PCCE_S_WORK_BAL_STR-PERNR_FOREIGN sy-vline 
WA_PCCE_S_WORK_BAL_STR-INDLG sy-vline      INTO ld_text SEPARATED BY SPACE.

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