ABAP Select data from SAP table J_2GLPPTCBLV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_2GLPPTCBLV 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 J_2GLPPTCBLV. 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 J_2GLPPTCBLV 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_J_2GLPPTCBLV TYPE STANDARD TABLE OF J_2GLPPTCBLV,
      WA_J_2GLPPTCBLV TYPE J_2GLPPTCBLV,
      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: <J_2GLPPTCBLV> TYPE J_2GLPPTCBLV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_2GLPPTCBLV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_2GLPPTCBLV
  INTO TABLE IT_J_2GLPPTCBLV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_2GLPPTCBLV
*  INTO TABLE @DATA(IT_J_2GLPPTCBLV2).
*--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_J_2GLPPTCBLV INDEX 1 INTO DATA(WA_J_2GLPPTCBLV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_2GLPPTCBLV ASSIGNING <J_2GLPPTCBLV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_2GLPPTCBLV>-MANDT = 1.
<J_2GLPPTCBLV>-BUKRS = 1.
<J_2GLPPTCBLV>-PRNTSK = 1.
<J_2GLPPTCBLV>-LOGPAPER = 1.
<J_2GLPPTCBLV>-LOGKIND = 1.

ENDLOOP.

LOOP AT IT_J_2GLPPTCBLV INTO WA_J_2GLPPTCBLV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_2GLPPTCBLV-DEVICE, sy-vline,
  WA_J_2GLPPTCBLV-PUSER, sy-vline,
  WA_J_2GLPPTCBLV-DESCR, sy-vline,
  WA_J_2GLPPTCBLV-MANUAL, sy-vline,
  WA_J_2GLPPTCBLV-ACTIVE, sy-vline,
  WA_J_2GLPPTCBLV-THIRDPARTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_2GLPPTCBLV 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_J_2GLPPTCBLV 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_J_2GLPPTCBLV INTO WA_J_2GLPPTCBLV.


*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.

*Conversion exit SPDEV, internal->external for field DEVICE
CALL FUNCTION 'CONVERSION_EXIT_SPDEV_OUTPUT'
  EXPORTING
    input =                      WA_J_2GLPPTCBLV-DEVICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_2GLPPTCBLV-DEVICE.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_J_2GLPPTCBLV_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
PRNTSK TYPE STRING,
LOGPAPER TYPE STRING,
LOGKIND TYPE STRING,
DEVICE TYPE STRING,
PUSER TYPE STRING,
DESCR TYPE STRING,
MANUAL TYPE STRING,
ACTIVE TYPE STRING,
THIRDPARTY TYPE STRING,
STEXT TYPE STRING,
SERIES TYPE STRING,
LASTDATE TYPE STRING,
RFPRNTSK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_2GLPPTCBLV_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_J_2GLPPTCBLV_STR-MANDT sy-vline 
WA_J_2GLPPTCBLV_STR-BUKRS sy-vline 
WA_J_2GLPPTCBLV_STR-PRNTSK sy-vline 
WA_J_2GLPPTCBLV_STR-LOGPAPER sy-vline 
WA_J_2GLPPTCBLV_STR-LOGKIND sy-vline 
WA_J_2GLPPTCBLV_STR-DEVICE sy-vline 
WA_J_2GLPPTCBLV_STR-PUSER sy-vline 
WA_J_2GLPPTCBLV_STR-DESCR sy-vline 
WA_J_2GLPPTCBLV_STR-MANUAL sy-vline 
WA_J_2GLPPTCBLV_STR-ACTIVE sy-vline 
WA_J_2GLPPTCBLV_STR-THIRDPARTY sy-vline 
WA_J_2GLPPTCBLV_STR-STEXT sy-vline 
WA_J_2GLPPTCBLV_STR-SERIES sy-vline 
WA_J_2GLPPTCBLV_STR-LASTDATE sy-vline 
WA_J_2GLPPTCBLV_STR-RFPRNTSK sy-vline      INTO ld_text SEPARATED BY SPACE.

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