ABAP Select data from SAP table HCMT_BSP_PA_AT_R0042 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_R0042 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_R0042. 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_R0042 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_R0042 TYPE STANDARD TABLE OF HCMT_BSP_PA_AT_R0042,
      WA_HCMT_BSP_PA_AT_R0042 TYPE HCMT_BSP_PA_AT_R0042,
      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_R0042> TYPE HCMT_BSP_PA_AT_R0042.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_AT_R0042.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_AT_R0042
  INTO TABLE IT_HCMT_BSP_PA_AT_R0042.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_AT_R0042
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_AT_R00422).
*--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_R0042 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_AT_R00422).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_AT_R0042 ASSIGNING <HCMT_BSP_PA_AT_R0042>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_AT_R0042>-OBJECT_KEY = 1.
<HCMT_BSP_PA_AT_R0042>-PERNR = 1.
<HCMT_BSP_PA_AT_R0042>-AEDTM = 1.
<HCMT_BSP_PA_AT_R0042>-UNAME = 1.
<HCMT_BSP_PA_AT_R0042>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_AT_R0042 INTO WA_HCMT_BSP_PA_AT_R0042.
*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_R0042-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_AT_R0042-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_AT_R0042-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_AT_R0042-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_AT_R0042-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_AT_R0042-STAFZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_AT_R0042 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_R0042 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_R0042 INTO WA_HCMT_BSP_PA_AT_R0042.


*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_R0042_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,
STAFZ TYPE STRING,
FTEXT TYPE STRING,
STANR TYPE STRING,
STAGR TYPE STRING,
STAGX TYPE STRING,
STAKD TYPE STRING,
STAFR TYPE STRING,
STAFX TYPE STRING,
PRMJH TYPE STRING,
STP35 TYPE STRING,
FBP35 TYPE STRING,
WAER1 TYPE STRING,
LABKZ TYPE STRING,
STAF1 TYPE STRING,
WAER2 TYPE STRING,
PENKZ TYPE STRING,
WERBP TYPE STRING,
WAER3 TYPE STRING,
CNT_FABOP TYPE STRING,
CNT_KIZU TYPE STRING,
ALLKZ TYPE STRING,
ALLKZQ TYPE STRING,
FBP68 TYPE STRING,
LSSTP TYPE STRING,
FLAGB TYPE STRING,
ARTLZ TYPE STRING,
ARTLZ_TXT TYPE STRING,
DBABM TYPE STRING,
DBABM_TEXT TYPE STRING,
ALAND TYPE STRING,
LAND_TEXT TYPE STRING,
KWBKB TYPE STRING,
E1031 TYPE STRING,
STP35P TYPE STRING,
FBP35P TYPE STRING,
WAER4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_AT_R0042_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_R0042_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STAFZ sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-FTEXT sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STANR sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STAGR sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STAGX sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STAKD sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STAFR sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STAFX sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-PRMJH sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STP35 sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-FBP35 sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-WAER1 sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-LABKZ sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STAF1 sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-WAER2 sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-PENKZ sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-WERBP sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-WAER3 sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-CNT_FABOP sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-CNT_KIZU sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-ALLKZ sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-ALLKZQ sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-FBP68 sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-LSSTP sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-FLAGB sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-ARTLZ sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-ARTLZ_TXT sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-DBABM sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-DBABM_TEXT sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-ALAND sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-LAND_TEXT sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-KWBKB sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-E1031 sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-STP35P sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-FBP35P sy-vline 
WA_HCMT_BSP_PA_AT_R0042_STR-WAER4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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