ABAP Select data from SAP table HCMT_BSP_PA_AT_R0044 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HCMT_BSP_PA_AT_R0044 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 HCMT_BSP_PA_AT_R0044. 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 HCMT_BSP_PA_AT_R0044 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_HCMT_BSP_PA_AT_R0044 TYPE STANDARD TABLE OF HCMT_BSP_PA_AT_R0044,
      WA_HCMT_BSP_PA_AT_R0044 TYPE HCMT_BSP_PA_AT_R0044,
      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: <HCMT_BSP_PA_AT_R0044> TYPE HCMT_BSP_PA_AT_R0044.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_AT_R0044.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_AT_R0044
  INTO TABLE IT_HCMT_BSP_PA_AT_R0044.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_AT_R0044
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_AT_R00442).
*--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_HCMT_BSP_PA_AT_R0044 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_AT_R00442).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_AT_R0044 ASSIGNING <HCMT_BSP_PA_AT_R0044>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_AT_R0044>-OBJECT_KEY = 1.
<HCMT_BSP_PA_AT_R0044>-PERNR = 1.
<HCMT_BSP_PA_AT_R0044>-AEDTM = 1.
<HCMT_BSP_PA_AT_R0044>-UNAME = 1.
<HCMT_BSP_PA_AT_R0044>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_AT_R0044 INTO WA_HCMT_BSP_PA_AT_R0044.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_AT_R0044-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_AT_R0044-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_AT_R0044-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_AT_R0044-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_AT_R0044-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_AT_R0044-ASVTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_AT_R0044 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_HCMT_BSP_PA_AT_R0044 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_HCMT_BSP_PA_AT_R0044 INTO WA_HCMT_BSP_PA_AT_R0044.


*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_HCMT_BSP_PA_AT_R0044_STR, 
OBJECT_KEY TYPE STRING,
PERNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
SPRPS TYPE STRING,
SPRTX TYPE STRING,
ITBLD TYPE STRING,
ITXEX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ASVTR TYPE STRING,
ASVTT TYPE STRING,
ASVAN TYPE STRING,
ASVGR TYPE STRING,
AUSVA TYPE STRING,
ATEXT TYPE STRING,
ATEXT2 TYPE STRING,
AUSVL TYPE STRING,
AUSVG TYPE STRING,
AUBGR TYPE STRING,
AUBGT TYPE STRING,
AMTBG TYPE STRING,
ASVTG TYPE STRING,
LGTXT TYPE STRING,
ASVBG TYPE STRING,
ASVBT TYPE STRING,
SAPZS TYPE STRING,
BFRST TYPE STRING,
AUABN TYPE STRING,
AUKU1_Q TYPE STRING,
AUWF1_Q TYPE STRING,
AULK1_Q TYPE STRING,
AUSW1_Q TYPE STRING,
AUEF1_Q TYPE STRING,
AUIE1_Q TYPE STRING,
AUNB1_Q TYPE STRING,
AUBV1_Q TYPE STRING,
AUKU1 TYPE STRING,
AUWF1 TYPE STRING,
AULK1 TYPE STRING,
AUSW1 TYPE STRING,
AUEF1 TYPE STRING,
AUIE1 TYPE STRING,
AUNB1 TYPE STRING,
AUBV1 TYPE STRING,
AUVL1 TYPE STRING,
ASVGT TYPE STRING,
GESCH TYPE STRING,
AERG1_V TYPE STRING,
AERG2_V TYPE STRING,
AERG3_V TYPE STRING,
AERG4_V TYPE STRING,
AERG5_V TYPE STRING,
AERG1_X TYPE STRING,
AERG2_X TYPE STRING,
AERG3_X TYPE STRING,
AERG4_X TYPE STRING,
AERG5_X TYPE STRING,
AERG1_T TYPE STRING,
AERG2_T TYPE STRING,
AERG3_T TYPE STRING,
AERG4_T TYPE STRING,
AERG5_T TYPE STRING,
ECARD TYPE STRING,
AUSVG_C TYPE STRING,
AUUB1 TYPE STRING,
PVAUF TYPE STRING,
BULND TYPE STRING,
VVNR0 TYPE STRING,
ASMOV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_AT_R0044_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_HCMT_BSP_PA_AT_R0044_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ASVTR sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ASVTT sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ASVAN sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ASVGR sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUSVA sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ATEXT sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ATEXT2 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUSVL sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUSVG sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUBGR sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUBGT sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AMTBG sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ASVTG sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-LGTXT sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ASVBG sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ASVBT sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-SAPZS sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-BFRST sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUABN sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUKU1_Q sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUWF1_Q sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AULK1_Q sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUSW1_Q sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUEF1_Q sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUIE1_Q sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUNB1_Q sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUBV1_Q sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUKU1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUWF1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AULK1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUSW1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUEF1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUIE1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUNB1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUBV1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUVL1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ASVGT sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-GESCH sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG1_V sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG2_V sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG3_V sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG4_V sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG5_V sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG1_X sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG2_X sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG3_X sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG4_X sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG5_X sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG1_T sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG2_T sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG3_T sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG4_T sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AERG5_T sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ECARD sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUSVG_C sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-AUUB1 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-PVAUF sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-BULND sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-VVNR0 sy-vline 
WA_HCMT_BSP_PA_AT_R0044_STR-ASMOV sy-vline      INTO ld_text SEPARATED BY SPACE.

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