ABAP Select data from SAP table HR99S_S_ITG_P3412_MASS_UPDATE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HR99S_S_ITG_P3412_MASS_UPDATE 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 HR99S_S_ITG_P3412_MASS_UPDATE. 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 HR99S_S_ITG_P3412_MASS_UPDATE 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_HR99S_S_ITG_P3412_MASS_UPDATE TYPE STANDARD TABLE OF HR99S_S_ITG_P3412_MASS_UPDATE,
      WA_HR99S_S_ITG_P3412_MASS_UPDATE TYPE HR99S_S_ITG_P3412_MASS_UPDATE,
      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: <HR99S_S_ITG_P3412_MASS_UPDATE> TYPE HR99S_S_ITG_P3412_MASS_UPDATE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HR99S_S_ITG_P3412_MASS_UPDATE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HR99S_S_ITG_P3412_MASS_UPDATE
  INTO TABLE IT_HR99S_S_ITG_P3412_MASS_UPDATE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HR99S_S_ITG_P3412_MASS_UPDATE
*  INTO TABLE @DATA(IT_HR99S_S_ITG_P3412_MASS_UPDATE2).
*--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_HR99S_S_ITG_P3412_MASS_UPDATE INDEX 1 INTO DATA(WA_HR99S_S_ITG_P3412_MASS_UPDATE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HR99S_S_ITG_P3412_MASS_UPDATE ASSIGNING <HR99S_S_ITG_P3412_MASS_UPDATE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HR99S_S_ITG_P3412_MASS_UPDATE>-INFAC = 1.
<HR99S_S_ITG_P3412_MASS_UPDATE>-PERNR = 1.
<HR99S_S_ITG_P3412_MASS_UPDATE>-INFTY = 1.
<HR99S_S_ITG_P3412_MASS_UPDATE>-SUBTY = 1.
<HR99S_S_ITG_P3412_MASS_UPDATE>-OBJPS = 1.

ENDLOOP.

LOOP AT IT_HR99S_S_ITG_P3412_MASS_UPDATE INTO WA_HR99S_S_ITG_P3412_MASS_UPDATE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HR99S_S_ITG_P3412_MASS_UPDATE-SPRPS, sy-vline,
  WA_HR99S_S_ITG_P3412_MASS_UPDATE-ENDDA, sy-vline,
  WA_HR99S_S_ITG_P3412_MASS_UPDATE-BEGDA, sy-vline,
  WA_HR99S_S_ITG_P3412_MASS_UPDATE-SEQNR, sy-vline,
  WA_HR99S_S_ITG_P3412_MASS_UPDATE-AEDTM, sy-vline,
  WA_HR99S_S_ITG_P3412_MASS_UPDATE-UNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HR99S_S_ITG_P3412_MASS_UPDATE 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_HR99S_S_ITG_P3412_MASS_UPDATE 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_HR99S_S_ITG_P3412_MASS_UPDATE INTO WA_HR99S_S_ITG_P3412_MASS_UPDATE.


*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_HR99S_S_ITG_P3412_MASS_UPDATE_STR, 
INFAC TYPE STRING,
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
PERIO TYPE STRING,
ABKRS TYPE STRING,
ACTIO TYPE STRING,
MOLGA TYPE STRING,
APPL TYPE STRING,
WAERS TYPE STRING,
CPAGE TYPE STRING,
FTYPE TYPE STRING,
FNAME TYPE STRING,
GLBID TYPE STRING,
ADFLD TYPE STRING,
SESRC TYPE STRING,
ADSRC TYPE STRING,
SEKEY TYPE STRING,
ADKEY TYPE STRING,
CDAT1 TYPE STRING,
CDAT2 TYPE STRING,
CDAT3 TYPE STRING,
CDAT4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HR99S_S_ITG_P3412_MASS_UPDATE_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_HR99S_S_ITG_P3412_MASS_UPDATE_STR-INFAC sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-PERNR sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-INFTY sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-SUBTY sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-OBJPS sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-SPRPS sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-ENDDA sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-BEGDA sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-SEQNR sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-AEDTM sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-UNAME sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-HISTO sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-ITXEX sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-REFEX sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-ORDEX sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-ITBLD sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-PREAS sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-FLAG1 sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-FLAG2 sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-FLAG3 sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-FLAG4 sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-RESE1 sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-RESE2 sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-GRPVL sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-PERIO sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-ABKRS sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-ACTIO sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-MOLGA sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-APPL sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-WAERS sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-CPAGE sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-FTYPE sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-FNAME sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-GLBID sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-ADFLD sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-SESRC sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-ADSRC sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-SEKEY sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-ADKEY sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-CDAT1 sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-CDAT2 sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-CDAT3 sy-vline 
WA_HR99S_S_ITG_P3412_MASS_UPDATE_STR-CDAT4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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