ABAP Select data from SAP table HCMT_BSP_PA_AT_R0137 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_R0137 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_R0137. 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_R0137 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_R0137 TYPE STANDARD TABLE OF HCMT_BSP_PA_AT_R0137,
      WA_HCMT_BSP_PA_AT_R0137 TYPE HCMT_BSP_PA_AT_R0137,
      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_R0137> TYPE HCMT_BSP_PA_AT_R0137.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_AT_R0137.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_AT_R0137
  INTO TABLE IT_HCMT_BSP_PA_AT_R0137.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_AT_R0137
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_AT_R01372).
*--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_R0137 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_AT_R01372).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_AT_R0137 ASSIGNING <HCMT_BSP_PA_AT_R0137>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_AT_R0137>-OBJECT_KEY = 1.
<HCMT_BSP_PA_AT_R0137>-PERNR = 1.
<HCMT_BSP_PA_AT_R0137>-AEDTM = 1.
<HCMT_BSP_PA_AT_R0137>-UNAME = 1.
<HCMT_BSP_PA_AT_R0137>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_AT_R0137 INTO WA_HCMT_BSP_PA_AT_R0137.
*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_R0137-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_AT_R0137-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_AT_R0137-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_AT_R0137-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_AT_R0137-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_AT_R0137-PFART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_AT_R0137 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_R0137 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_R0137 INTO WA_HCMT_BSP_PA_AT_R0137.


*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.

*Conversion exit GJAHR, internal->external for field GABRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HCMT_BSP_PA_AT_R0137-GABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMT_BSP_PA_AT_R0137-GABRJ.
WRITE:/ 'New Value:', ld_input.
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_R0137_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,
PFART TYPE STRING,
PFNUM TYPE STRING,
STEXT TYPE STRING,
OBJPS TYPE STRING,
AZART TYPE STRING,
AZGRD TYPE STRING,
AGTXT TYPE STRING,
ESTDT TYPE STRING,
OPKEN TYPE STRING,
OPKTX TYPE STRING,
BETRG TYPE STRING,
WAE01 TYPE STRING,
LGART TYPE STRING,
LGTXT TYPE STRING,
GBTRG TYPE STRING,
WAE02 TYPE STRING,
GABRP TYPE STRING,
GABRJ TYPE STRING,
SUBTY TYPE STRING,
DSXWA TYPE STRING,
DSBWA TYPE STRING,
DSBWA_WAERS TYPE STRING,
DSBWA_TEXT TYPE STRING,
DSXED TYPE STRING,
DSBED TYPE STRING,
DSBED_WAERS TYPE STRING,
DSNED TYPE STRING,
DSXAG TYPE STRING,
DSTAG TYPE STRING,
DSXGF TYPE STRING,
DSBGF TYPE STRING,
DSBGF_WAERS TYPE STRING,
DSGGF TYPE STRING,
DSXKF TYPE STRING,
DSGKF TYPE STRING,
DSAKF TYPE STRING,
DSXKZ TYPE STRING,
DSAKZ TYPE STRING,
DSXZB TYPE STRING,
DSRSN TYPE STRING,
DSBWA_2 TYPE STRING,
DSBWA_2_TEXT TYPE STRING,
DSBWA_2_WAERS TYPE STRING,
DSBWA_3 TYPE STRING,
DSBWA_3_TEXT TYPE STRING,
DSBWA_3_WAERS TYPE STRING,
DSBUH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_AT_R0137_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_R0137_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-PFART sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-PFNUM sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-STEXT sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-OBJPS sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-AZART sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-AZGRD sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-AGTXT sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-ESTDT sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-OPKEN sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-OPKTX sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-BETRG sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-WAE01 sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-LGART sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-LGTXT sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-GBTRG sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-WAE02 sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-GABRP sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-GABRJ sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-SUBTY sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSXWA sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBWA sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBWA_WAERS sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBWA_TEXT sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSXED sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBED sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBED_WAERS sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSNED sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSXAG sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSTAG sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSXGF sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBGF sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBGF_WAERS sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSGGF sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSXKF sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSGKF sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSAKF sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSXKZ sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSAKZ sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSXZB sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSRSN sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBWA_2 sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBWA_2_TEXT sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBWA_2_WAERS sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBWA_3 sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBWA_3_TEXT sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBWA_3_WAERS sy-vline 
WA_HCMT_BSP_PA_AT_R0137_STR-DSBUH sy-vline      INTO ld_text SEPARATED BY SPACE.

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