ABAP Select data from SAP table HRUN_S_MHA_COUNTS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRUN_S_MHA_COUNTS 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_S_MHA_COUNTS. 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_S_MHA_COUNTS 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_S_MHA_COUNTS TYPE STANDARD TABLE OF HRUN_S_MHA_COUNTS,
      WA_HRUN_S_MHA_COUNTS TYPE HRUN_S_MHA_COUNTS,
      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_S_MHA_COUNTS> TYPE HRUN_S_MHA_COUNTS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRUN_S_MHA_COUNTS
*  INTO TABLE @DATA(IT_HRUN_S_MHA_COUNTS2).
*--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_S_MHA_COUNTS INDEX 1 INTO DATA(WA_HRUN_S_MHA_COUNTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRUN_S_MHA_COUNTS>-PERNR = 1.
<HRUN_S_MHA_COUNTS>-ENAME = 1.
<HRUN_S_MHA_COUNTS>-ENDDA = 1.
<HRUN_S_MHA_COUNTS>-BEGDA = 1.
<HRUN_S_MHA_COUNTS>-STAT2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRUN_S_MHA_COUNTS-STAT2_TXT, sy-vline,
  WA_HRUN_S_MHA_COUNTS-WERKS, sy-vline,
  WA_HRUN_S_MHA_COUNTS-BTRTL, sy-vline,
  WA_HRUN_S_MHA_COUNTS-DSTAT, sy-vline,
  WA_HRUN_S_MHA_COUNTS-DSTAT_NAME, sy-vline,
  WA_HRUN_S_MHA_COUNTS-DSCAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRUN_S_MHA_COUNTS 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_S_MHA_COUNTS 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_S_MHA_COUNTS INTO WA_HRUN_S_MHA_COUNTS.


*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_S_MHA_COUNTS_STR, 
PERNR TYPE STRING,
ENAME TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
STAT2 TYPE STRING,
STAT2_TXT TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
DSTAT TYPE STRING,
DSTAT_NAME TYPE STRING,
DSCAT TYPE STRING,
DSCAM TYPE STRING,
EXT_PREAS TYPE STRING,
EXT_WERKS TYPE STRING,
EXT_BTRTL TYPE STRING,
EXT_DSTAT TYPE STRING,
EXT_DSCAT TYPE STRING,
DSEOD TYPE STRING,
DSEND TYPE STRING,
MOGED TYPE STRING,
MORED TYPE STRING,
MOEXD TYPE STRING,
RERED TYPE STRING,
EGDDS TYPE STRING,
EGASH TYPE STRING,
DSSCL TYPE STRING,
DSNFI TYPE STRING,
DSAFI TYPE STRING,
DSESI TYPE STRING,
DSAPA TYPE STRING,
DSROC TYPE STRING,
DSLLI TYPE STRING,
DSOFL TYPE STRING,
DSRRS TYPE STRING,
DSCAR TYPE STRING,
HAZRC TYPE STRING,
APA_DSSCL TYPE STRING,
APA_DSNFI TYPE STRING,
APA_DSAFI TYPE STRING,
APA_DSESI TYPE STRING,
APA_DSCAM TYPE STRING,
DSTDY TYPE STRING,
PRVDS TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
CTTYP TYPE STRING,
MOELI TYPE STRING,
HAELI TYPE STRING,
NRELI TYPE STRING,
CFORM TYPE STRING,
DSCNT_H TYPE STRING,
DSCNT_F TYPE STRING,
DSCNT_AH TYPE STRING,
DSCNT_AF TYPE STRING,
DSCNT_TH TYPE STRING,
DSCNT_TF TYPE STRING,
DSSQN_PAY TYPE STRING,
ASSIGN_TYPE TYPE STRING,
REIND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRUN_S_MHA_COUNTS_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_S_MHA_COUNTS_STR-PERNR sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-ENAME sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-ENDDA sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-BEGDA sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-STAT2 sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-STAT2_TXT sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-WERKS sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-BTRTL sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSTAT sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSTAT_NAME sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSCAT sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSCAM sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-EXT_PREAS sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-EXT_WERKS sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-EXT_BTRTL sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-EXT_DSTAT sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-EXT_DSCAT sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSEOD sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSEND sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-MOGED sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-MORED sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-MOEXD sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-RERED sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-EGDDS sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-EGASH sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSSCL sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSNFI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSAFI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSESI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSAPA sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSROC sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSLLI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSOFL sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSRRS sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSCAR sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-HAZRC sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-APA_DSSCL sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-APA_DSNFI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-APA_DSAFI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-APA_DSESI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-APA_DSCAM sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSTDY sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-PRVDS sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-PERSG sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-PERSK sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-CTTYP sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-MOELI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-HAELI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-NRELI sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-CFORM sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSCNT_H sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSCNT_F sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSCNT_AH sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSCNT_AF sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSCNT_TH sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSCNT_TF sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-DSSQN_PAY sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-ASSIGN_TYPE sy-vline 
WA_HRUN_S_MHA_COUNTS_STR-REIND sy-vline      INTO ld_text SEPARATED BY SPACE.

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