ABAP Select data from SAP table P48_HPHRALP0_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P48_HPHRALP0_ALV 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 P48_HPHRALP0_ALV. 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 P48_HPHRALP0_ALV 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_P48_HPHRALP0_ALV TYPE STANDARD TABLE OF P48_HPHRALP0_ALV,
      WA_P48_HPHRALP0_ALV TYPE P48_HPHRALP0_ALV,
      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: <P48_HPHRALP0_ALV> TYPE P48_HPHRALP0_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P48_HPHRALP0_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P48_HPHRALP0_ALV
  INTO TABLE IT_P48_HPHRALP0_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P48_HPHRALP0_ALV
*  INTO TABLE @DATA(IT_P48_HPHRALP0_ALV2).
*--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_P48_HPHRALP0_ALV INDEX 1 INTO DATA(WA_P48_HPHRALP0_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P48_HPHRALP0_ALV ASSIGNING <P48_HPHRALP0_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P48_HPHRALP0_ALV>-SCH_NUM = 1.
<P48_HPHRALP0_ALV>-PERNR = 1.
<P48_HPHRALP0_ALV>-FCODE = 1.
<P48_HPHRALP0_ALV>-EMTIN = 1.
<P48_HPHRALP0_ALV>-BRCODE_ER = 1.

ENDLOOP.

LOOP AT IT_P48_HPHRALP0_ALV INTO WA_P48_HPHRALP0_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P48_HPHRALP0_ALV-RETN_PERIOD, sy-vline,
  WA_P48_HPHRALP0_ALV-SEQNO, sy-vline,
  WA_P48_HPHRALP0_ALV-TAXFN, sy-vline,
  WA_P48_HPHRALP0_ALV-BRCODE_EE, sy-vline,
  WA_P48_HPHRALP0_ALV-NACHN, sy-vline,
  WA_P48_HPHRALP0_ALV-VORNA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P48_HPHRALP0_ALV 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_P48_HPHRALP0_ALV 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_P48_HPHRALP0_ALV INTO WA_P48_HPHRALP0_ALV.


*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_P48_HPHRALP0_ALV_STR, 
SCH_NUM TYPE STRING,
PERNR TYPE STRING,
FCODE TYPE STRING,
EMTIN TYPE STRING,
BRCODE_ER TYPE STRING,
RETN_PERIOD TYPE STRING,
SEQNO TYPE STRING,
TAXFN TYPE STRING,
BRCODE_EE TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
NACH2 TYPE STRING,
REGNO TYPE STRING,
PREV_GROSS_COMP_INCOME TYPE STRING,
PREV_NONTAX_BASIC_SMW TYPE STRING,
PREV_BONUS0 TYPE STRING,
PREV_DEMI TYPE STRING,
PREV_SSSCONT0 TYPE STRING,
PREV_SALARY0 TYPE STRING,
PREV_NTI TYPE STRING,
PREV_BASIC TYPE STRING,
PREV_BONUS1 TYPE STRING,
PREV_SALARY TYPE STRING,
PREV_TTI TYPE STRING,
HIRE_DATE TYPE STRING,
TERM_DATE TYPE STRING,
PRES_GROSS_COMP_INCOME TYPE STRING,
PRES_NONTAX_BASIC_SAL TYPE STRING,
THIR TYPE STRING,
DEMI TYPE STRING,
CURR_SSSCONT0 TYPE STRING,
CURR_SALARY0 TYPE STRING,
NTI TYPE STRING,
BASIC TYPE STRING,
CURR_BONUS1 TYPE STRING,
TAXABLE_SALARY TYPE STRING,
TTI TYPE STRING,
TOTAL_TTI TYPE STRING,
NETTI TYPE STRING,
TXDUE TYPE STRING,
PRVTX TYPE STRING,
PRSTX TYPE STRING,
TXDEC TYPE STRING,
TXREF TYPE STRING,
TAXW2 TYPE STRING,
NATIONALITY TYPE STRING,
EMPLOYMENT_STATUS TYPE STRING,
REASON_SEPARATION TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P48_HPHRALP0_ALV_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_P48_HPHRALP0_ALV_STR-SCH_NUM sy-vline 
WA_P48_HPHRALP0_ALV_STR-PERNR sy-vline 
WA_P48_HPHRALP0_ALV_STR-FCODE sy-vline 
WA_P48_HPHRALP0_ALV_STR-EMTIN sy-vline 
WA_P48_HPHRALP0_ALV_STR-BRCODE_ER sy-vline 
WA_P48_HPHRALP0_ALV_STR-RETN_PERIOD sy-vline 
WA_P48_HPHRALP0_ALV_STR-SEQNO sy-vline 
WA_P48_HPHRALP0_ALV_STR-TAXFN sy-vline 
WA_P48_HPHRALP0_ALV_STR-BRCODE_EE sy-vline 
WA_P48_HPHRALP0_ALV_STR-NACHN sy-vline 
WA_P48_HPHRALP0_ALV_STR-VORNA sy-vline 
WA_P48_HPHRALP0_ALV_STR-NACH2 sy-vline 
WA_P48_HPHRALP0_ALV_STR-REGNO sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_GROSS_COMP_INCOME sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_NONTAX_BASIC_SMW sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_BONUS0 sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_DEMI sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_SSSCONT0 sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_SALARY0 sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_NTI sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_BASIC sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_BONUS1 sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_SALARY sy-vline 
WA_P48_HPHRALP0_ALV_STR-PREV_TTI sy-vline 
WA_P48_HPHRALP0_ALV_STR-HIRE_DATE sy-vline 
WA_P48_HPHRALP0_ALV_STR-TERM_DATE sy-vline 
WA_P48_HPHRALP0_ALV_STR-PRES_GROSS_COMP_INCOME sy-vline 
WA_P48_HPHRALP0_ALV_STR-PRES_NONTAX_BASIC_SAL sy-vline 
WA_P48_HPHRALP0_ALV_STR-THIR sy-vline 
WA_P48_HPHRALP0_ALV_STR-DEMI sy-vline 
WA_P48_HPHRALP0_ALV_STR-CURR_SSSCONT0 sy-vline 
WA_P48_HPHRALP0_ALV_STR-CURR_SALARY0 sy-vline 
WA_P48_HPHRALP0_ALV_STR-NTI sy-vline 
WA_P48_HPHRALP0_ALV_STR-BASIC sy-vline 
WA_P48_HPHRALP0_ALV_STR-CURR_BONUS1 sy-vline 
WA_P48_HPHRALP0_ALV_STR-TAXABLE_SALARY sy-vline 
WA_P48_HPHRALP0_ALV_STR-TTI sy-vline 
WA_P48_HPHRALP0_ALV_STR-TOTAL_TTI sy-vline 
WA_P48_HPHRALP0_ALV_STR-NETTI sy-vline 
WA_P48_HPHRALP0_ALV_STR-TXDUE sy-vline 
WA_P48_HPHRALP0_ALV_STR-PRVTX sy-vline 
WA_P48_HPHRALP0_ALV_STR-PRSTX sy-vline 
WA_P48_HPHRALP0_ALV_STR-TXDEC sy-vline 
WA_P48_HPHRALP0_ALV_STR-TXREF sy-vline 
WA_P48_HPHRALP0_ALV_STR-TAXW2 sy-vline 
WA_P48_HPHRALP0_ALV_STR-NATIONALITY sy-vline 
WA_P48_HPHRALP0_ALV_STR-EMPLOYMENT_STATUS sy-vline 
WA_P48_HPHRALP0_ALV_STR-REASON_SEPARATION sy-vline 
WA_P48_HPHRALP0_ALV_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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