ABAP Select data from SAP table HCMT_BSP_PA_KZ_R0298 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_KZ_R0298 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_KZ_R0298. 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_KZ_R0298 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_KZ_R0298 TYPE STANDARD TABLE OF HCMT_BSP_PA_KZ_R0298,
      WA_HCMT_BSP_PA_KZ_R0298 TYPE HCMT_BSP_PA_KZ_R0298,
      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_KZ_R0298> TYPE HCMT_BSP_PA_KZ_R0298.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_KZ_R0298.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_KZ_R0298
  INTO TABLE IT_HCMT_BSP_PA_KZ_R0298.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_KZ_R0298
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_KZ_R02982).
*--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_KZ_R0298 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_KZ_R02982).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_KZ_R0298 ASSIGNING <HCMT_BSP_PA_KZ_R0298>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_KZ_R0298>-OBJECT_KEY = 1.
<HCMT_BSP_PA_KZ_R0298>-PERNR = 1.
<HCMT_BSP_PA_KZ_R0298>-AEDTM = 1.
<HCMT_BSP_PA_KZ_R0298>-UNAME = 1.
<HCMT_BSP_PA_KZ_R0298>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_KZ_R0298 INTO WA_HCMT_BSP_PA_KZ_R0298.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_KZ_R0298-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_KZ_R0298-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_KZ_R0298-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_KZ_R0298-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_KZ_R0298-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_KZ_R0298-MASSS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_KZ_R0298 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_KZ_R0298 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_KZ_R0298 INTO WA_HCMT_BSP_PA_KZ_R0298.


*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_KZ_R0298_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,
MASSS TYPE STRING,
MSTXT TYPE STRING,
CHPER TYPE STRING,
SUBTY TYPE STRING,
STEXT TYPE STRING,
MASSN TYPE STRING,
MNTXT TYPE STRING,
MASSG TYPE STRING,
MGTXT TYPE STRING,
MLTXT TYPE STRING,
ORDNU TYPE STRING,
ORDDT TYPE STRING,
LOCAT TYPE STRING,
REMAR TYPE STRING,
GRPOR TYPE STRING,
ORDST TYPE STRING,
ACQDT TYPE STRING,
CHNAM TYPE STRING,
PLSTX TYPE STRING,
DOCID TYPE STRING,
LGTXT TYPE STRING,
FIELDNAME TYPE STRING,
FULL_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_KZ_R0298_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_KZ_R0298_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-MASSS sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-MSTXT sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-CHPER sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-SUBTY sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-STEXT sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-MASSN sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-MNTXT sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-MASSG sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-MGTXT sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-MLTXT sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-ORDNU sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-ORDDT sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-LOCAT sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-REMAR sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-GRPOR sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-ORDST sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-ACQDT sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-CHNAM sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-PLSTX sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-DOCID sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-LGTXT sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-FIELDNAME sy-vline 
WA_HCMT_BSP_PA_KZ_R0298_STR-FULL_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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