ABAP Select data from SAP table HCMT_BSP_PA_IN_R0588 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_IN_R0588 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_IN_R0588. 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_IN_R0588 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_IN_R0588 TYPE STANDARD TABLE OF HCMT_BSP_PA_IN_R0588,
      WA_HCMT_BSP_PA_IN_R0588 TYPE HCMT_BSP_PA_IN_R0588,
      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_IN_R0588> TYPE HCMT_BSP_PA_IN_R0588.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_IN_R0588.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_IN_R0588
  INTO TABLE IT_HCMT_BSP_PA_IN_R0588.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_IN_R0588
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_IN_R05882).
*--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_IN_R0588 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_IN_R05882).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_IN_R0588 ASSIGNING <HCMT_BSP_PA_IN_R0588>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_IN_R0588>-OBJECT_KEY = 1.
<HCMT_BSP_PA_IN_R0588>-PERNR = 1.
<HCMT_BSP_PA_IN_R0588>-AEDTM = 1.
<HCMT_BSP_PA_IN_R0588>-UNAME = 1.
<HCMT_BSP_PA_IN_R0588>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_IN_R0588 INTO WA_HCMT_BSP_PA_IN_R0588.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_IN_R0588-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_IN_R0588-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_IN_R0588-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_IN_R0588-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_IN_R0588-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_IN_R0588-SCHTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_IN_R0588 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_IN_R0588 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_IN_R0588 INTO WA_HCMT_BSP_PA_IN_R0588.


*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_IN_R0588_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,
SCHTY TYPE STRING,
STEXT TYPE STRING,
TICNO TYPE STRING,
ESINO TYPE STRING,
ESIDP TYPE STRING,
ERESI TYPE STRING,
LWFCK TYPE STRING,
PTXEL TYPE STRING,
S89EL TYPE STRING,
MINWG TYPE STRING,
EECNF TYPE STRING,
TXOPT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_IN_R0588_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_IN_R0588_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-SCHTY sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-STEXT sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-TICNO sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-ESINO sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-ESIDP sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-ERESI sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-LWFCK sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-PTXEL sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-S89EL sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-MINWG sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-EECNF sy-vline 
WA_HCMT_BSP_PA_IN_R0588_STR-TXOPT sy-vline      INTO ld_text SEPARATED BY SPACE.

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