ABAP Select data from SAP table PIN_HR_IN_LWF_FORM_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIN_HR_IN_LWF_FORM_STR
*  INTO TABLE @DATA(IT_PIN_HR_IN_LWF_FORM_STR2).
*--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_PIN_HR_IN_LWF_FORM_STR INDEX 1 INTO DATA(WA_PIN_HR_IN_LWF_FORM_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIN_HR_IN_LWF_FORM_STR>-ADDRESS = 1.
<PIN_HR_IN_LWF_FORM_STR>-COMM_NAME1 = 1.
<PIN_HR_IN_LWF_FORM_STR>-COMM_NAME2 = 1.
<PIN_HR_IN_LWF_FORM_STR>-STREET1 = 1.
<PIN_HR_IN_LWF_FORM_STR>-POST_CODE1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIN_HR_IN_LWF_FORM_STR-CITY1, sy-vline,
  WA_PIN_HR_IN_LWF_FORM_STR-EMPDETAILS, sy-vline,
  WA_PIN_HR_IN_LWF_FORM_STR-EMP_NAME1, sy-vline,
  WA_PIN_HR_IN_LWF_FORM_STR-EMP_NAME2, sy-vline,
  WA_PIN_HR_IN_LWF_FORM_STR-STREET2, sy-vline,
  WA_PIN_HR_IN_LWF_FORM_STR-POST_CODE2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIN_HR_IN_LWF_FORM_STR 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_PIN_HR_IN_LWF_FORM_STR 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_PIN_HR_IN_LWF_FORM_STR INTO WA_PIN_HR_IN_LWF_FORM_STR.


*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 GJAHR, internal->external for field DED_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PIN_HR_IN_LWF_FORM_STR-DED_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIN_HR_IN_LWF_FORM_STR-DED_YEAR.
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_PIN_HR_IN_LWF_FORM_STR_STR, 
ADDRESS TYPE STRING,
COMM_NAME1 TYPE STRING,
COMM_NAME2 TYPE STRING,
STREET1 TYPE STRING,
POST_CODE1 TYPE STRING,
CITY1 TYPE STRING,
EMPDETAILS TYPE STRING,
EMP_NAME1 TYPE STRING,
EMP_NAME2 TYPE STRING,
STREET2 TYPE STRING,
POST_CODE2 TYPE STRING,
CITY2 TYPE STRING,
GRAND_TOTAL TYPE STRING,
GR_TOT_WRDS TYPE STRING,
DED_YEAR TYPE STRING,
TOTAL_EMP TYPE STRING,
TOTAL_EMP_CON TYPE STRING,
EE_CON TYPE STRING,
ER_CON TYPE STRING,
AMT_CURR TYPE STRING,
PNPPABRP TYPE STRING,
EECNTR_RT TYPE STRING,
ERCNTR_RT TYPE STRING,
ESTCD_1 TYPE STRING,
ESTCD_2 TYPE STRING,
ESTCD_3 TYPE STRING,
ESTCD_4 TYPE STRING,
ESTCD_5 TYPE STRING,
ESTCD_6 TYPE STRING,
ESTCD_7 TYPE STRING,
ESTCD_8 TYPE STRING,
ESTCD_9 TYPE STRING,
EST_CLASS TYPE STRING,
PAY_MODE TYPE STRING,
SUB_DATE TYPE STRING,
EE_AMTJ1 TYPE STRING,
EE_AMTJ2 TYPE STRING,
EE_AMTD1 TYPE STRING,
EE_AMTD2 TYPE STRING,
ER_AMTJ1 TYPE STRING,
ER_AMTJ2 TYPE STRING,
ER_AMTD1 TYPE STRING,
ER_AMTD2 TYPE STRING,
TOTAL_AMTJ1 TYPE STRING,
TOTAL_AMTJ2 TYPE STRING,
TOTAL_AMTD1 TYPE STRING,
TOTAL_AMTD2 TYPE STRING,
TOTAL_EMPJ1 TYPE STRING,
TOTAL_EMPJ2 TYPE STRING,
TOTAL_EMPD1 TYPE STRING,
TOTAL_EMPD2 TYPE STRING,
EE_CON_N1 TYPE STRING,
EE_CON_N2 TYPE STRING,
ER_CON_N1 TYPE STRING,
ER_CON_N2 TYPE STRING,
SLAB_1 TYPE STRING,
TOTAL_EMP_M TYPE STRING,
TOTAL_EMP_S TYPE STRING,
TOTAL_EMP_NO TYPE STRING,
TOTAL_EE_CON TYPE STRING,
TOTAL_ER_CON TYPE STRING,
TOTAL_CON TYPE STRING,
DED_DATE TYPE STRING,
SLAB_2 TYPE STRING,
SLAB_DETAILS TYPE STRING,
ANNEXURE TYPE STRING,
MONTH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIN_HR_IN_LWF_FORM_STR_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_PIN_HR_IN_LWF_FORM_STR_STR-ADDRESS sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-COMM_NAME1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-COMM_NAME2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-STREET1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-POST_CODE1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-CITY1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EMPDETAILS sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EMP_NAME1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EMP_NAME2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-STREET2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-POST_CODE2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-CITY2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-GRAND_TOTAL sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-GR_TOT_WRDS sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-DED_YEAR sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EMP sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EMP_CON sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EE_CON sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ER_CON sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-AMT_CURR sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-PNPPABRP sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EECNTR_RT sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ERCNTR_RT sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ESTCD_1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ESTCD_2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ESTCD_3 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ESTCD_4 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ESTCD_5 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ESTCD_6 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ESTCD_7 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ESTCD_8 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ESTCD_9 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EST_CLASS sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-PAY_MODE sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-SUB_DATE sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EE_AMTJ1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EE_AMTJ2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EE_AMTD1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EE_AMTD2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ER_AMTJ1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ER_AMTJ2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ER_AMTD1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ER_AMTD2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_AMTJ1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_AMTJ2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_AMTD1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_AMTD2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EMPJ1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EMPJ2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EMPD1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EMPD2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EE_CON_N1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-EE_CON_N2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ER_CON_N1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ER_CON_N2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-SLAB_1 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EMP_M sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EMP_S sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EMP_NO sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_EE_CON sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_ER_CON sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-TOTAL_CON sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-DED_DATE sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-SLAB_2 sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-SLAB_DETAILS sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-ANNEXURE sy-vline 
WA_PIN_HR_IN_LWF_FORM_STR_STR-MONTH sy-vline      INTO ld_text SEPARATED BY SPACE.

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