ABAP Select data from SAP table HRUN_PSRCL_LOG_ALV1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRUN_PSRCL_LOG_ALV1 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 HRUN_PSRCL_LOG_ALV1. 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 HRUN_PSRCL_LOG_ALV1 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_HRUN_PSRCL_LOG_ALV1 TYPE STANDARD TABLE OF HRUN_PSRCL_LOG_ALV1,
      WA_HRUN_PSRCL_LOG_ALV1 TYPE HRUN_PSRCL_LOG_ALV1,
      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: <HRUN_PSRCL_LOG_ALV1> TYPE HRUN_PSRCL_LOG_ALV1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRUN_PSRCL_LOG_ALV1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRUN_PSRCL_LOG_ALV1
  INTO TABLE IT_HRUN_PSRCL_LOG_ALV1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRUN_PSRCL_LOG_ALV1
*  INTO TABLE @DATA(IT_HRUN_PSRCL_LOG_ALV12).
*--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_HRUN_PSRCL_LOG_ALV1 INDEX 1 INTO DATA(WA_HRUN_PSRCL_LOG_ALV12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRUN_PSRCL_LOG_ALV1 ASSIGNING <HRUN_PSRCL_LOG_ALV1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRUN_PSRCL_LOG_ALV1>-SELECTED = 1.
<HRUN_PSRCL_LOG_ALV1>-INFTY = 1.
<HRUN_PSRCL_LOG_ALV1>-PERNR = 1.
<HRUN_PSRCL_LOG_ALV1>-ENAME = 1.
<HRUN_PSRCL_LOG_ALV1>-VORNA = 1.

ENDLOOP.

LOOP AT IT_HRUN_PSRCL_LOG_ALV1 INTO WA_HRUN_PSRCL_LOG_ALV1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRUN_PSRCL_LOG_ALV1-NACHN, sy-vline,
  WA_HRUN_PSRCL_LOG_ALV1-BUKRS, sy-vline,
  WA_HRUN_PSRCL_LOG_ALV1-BUTXT, sy-vline,
  WA_HRUN_PSRCL_LOG_ALV1-ORGEH, sy-vline,
  WA_HRUN_PSRCL_LOG_ALV1-ORGTX, sy-vline,
  WA_HRUN_PSRCL_LOG_ALV1-WERKS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRUN_PSRCL_LOG_ALV1 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_HRUN_PSRCL_LOG_ALV1 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_HRUN_PSRCL_LOG_ALV1 INTO WA_HRUN_PSRCL_LOG_ALV1.


*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_HRUN_PSRCL_LOG_ALV1_STR, 
SELECTED TYPE STRING,
INFTY TYPE STRING,
PERNR TYPE STRING,
ENAME TYPE STRING,
VORNA TYPE STRING,
NACHN TYPE STRING,
BUKRS TYPE STRING,
BUTXT TYPE STRING,
ORGEH TYPE STRING,
ORGTX TYPE STRING,
WERKS TYPE STRING,
PBTXT TYPE STRING,
PERSG TYPE STRING,
PGTXT TYPE STRING,
PERSK TYPE STRING,
PKTXT TYPE STRING,
ABKRS TYPE STRING,
VDSK1 TYPE STRING,
GSBER TYPE STRING,
BTRTL TYPE STRING,
BTRTX TYPE STRING,
PERID TYPE STRING,
PSRTY TYPE STRING,
PSRTX TYPE STRING,
RECDATE TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
TRFAR TYPE STRING,
TARTX TYPE STRING,
TRFGB TYPE STRING,
TGBTX TYPE STRING,
TRFGR TYPE STRING,
TRFST TYPE STRING,
OTRST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRUN_PSRCL_LOG_ALV1_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_HRUN_PSRCL_LOG_ALV1_STR-SELECTED sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-INFTY sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-PERNR sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-ENAME sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-VORNA sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-NACHN sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-BUKRS sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-BUTXT sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-ORGEH sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-ORGTX sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-WERKS sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-PBTXT sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-PERSG sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-PGTXT sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-PERSK sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-PKTXT sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-ABKRS sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-VDSK1 sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-GSBER sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-BTRTL sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-BTRTX sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-PERID sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-PSRTY sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-PSRTX sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-RECDATE sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-BEGDA sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-ENDDA sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-TRFAR sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-TARTX sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-TRFGB sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-TGBTX sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-TRFGR sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-TRFST sy-vline 
WA_HRUN_PSRCL_LOG_ALV1_STR-OTRST sy-vline      INTO ld_text SEPARATED BY SPACE.

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