ABAP Select data from SAP table PJP_FORM_12PAYDAY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PJP_FORM_12PAYDAY 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 PJP_FORM_12PAYDAY. 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 PJP_FORM_12PAYDAY 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_PJP_FORM_12PAYDAY TYPE STANDARD TABLE OF PJP_FORM_12PAYDAY,
      WA_PJP_FORM_12PAYDAY TYPE PJP_FORM_12PAYDAY,
      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: <PJP_FORM_12PAYDAY> TYPE PJP_FORM_12PAYDAY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PJP_FORM_12PAYDAY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PJP_FORM_12PAYDAY
  INTO TABLE IT_PJP_FORM_12PAYDAY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PJP_FORM_12PAYDAY
*  INTO TABLE @DATA(IT_PJP_FORM_12PAYDAY2).
*--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_PJP_FORM_12PAYDAY INDEX 1 INTO DATA(WA_PJP_FORM_12PAYDAY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PJP_FORM_12PAYDAY ASSIGNING <PJP_FORM_12PAYDAY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PJP_FORM_12PAYDAY>-ONE = 1.
<PJP_FORM_12PAYDAY>-TWO = 1.
<PJP_FORM_12PAYDAY>-THREE = 1.
<PJP_FORM_12PAYDAY>-FOUR = 1.
<PJP_FORM_12PAYDAY>-FIVE = 1.

ENDLOOP.

LOOP AT IT_PJP_FORM_12PAYDAY INTO WA_PJP_FORM_12PAYDAY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PJP_FORM_12PAYDAY-SIX, sy-vline,
  WA_PJP_FORM_12PAYDAY-SEVEN, sy-vline,
  WA_PJP_FORM_12PAYDAY-EIGHT, sy-vline,
  WA_PJP_FORM_12PAYDAY-NINE, sy-vline,
  WA_PJP_FORM_12PAYDAY-TEN, sy-vline,
  WA_PJP_FORM_12PAYDAY-ELEVEN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PJP_FORM_12PAYDAY 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_PJP_FORM_12PAYDAY 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_PJP_FORM_12PAYDAY INTO WA_PJP_FORM_12PAYDAY.


*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_PJP_FORM_12PAYDAY_STR, 
ONE TYPE STRING,
TWO TYPE STRING,
THREE TYPE STRING,
FOUR TYPE STRING,
FIVE TYPE STRING,
SIX TYPE STRING,
SEVEN TYPE STRING,
EIGHT TYPE STRING,
NINE TYPE STRING,
TEN TYPE STRING,
ELEVEN TYPE STRING,
TWELVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PJP_FORM_12PAYDAY_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_PJP_FORM_12PAYDAY_STR-ONE sy-vline 
WA_PJP_FORM_12PAYDAY_STR-TWO sy-vline 
WA_PJP_FORM_12PAYDAY_STR-THREE sy-vline 
WA_PJP_FORM_12PAYDAY_STR-FOUR sy-vline 
WA_PJP_FORM_12PAYDAY_STR-FIVE sy-vline 
WA_PJP_FORM_12PAYDAY_STR-SIX sy-vline 
WA_PJP_FORM_12PAYDAY_STR-SEVEN sy-vline 
WA_PJP_FORM_12PAYDAY_STR-EIGHT sy-vline 
WA_PJP_FORM_12PAYDAY_STR-NINE sy-vline 
WA_PJP_FORM_12PAYDAY_STR-TEN sy-vline 
WA_PJP_FORM_12PAYDAY_STR-ELEVEN sy-vline 
WA_PJP_FORM_12PAYDAY_STR-TWELVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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