ABAP Select data from SAP table HCMT_BSP_PA_GB_R0757 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_GB_R0757 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_GB_R0757. 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_GB_R0757 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_GB_R0757 TYPE STANDARD TABLE OF HCMT_BSP_PA_GB_R0757,
      WA_HCMT_BSP_PA_GB_R0757 TYPE HCMT_BSP_PA_GB_R0757,
      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_GB_R0757> TYPE HCMT_BSP_PA_GB_R0757.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_GB_R0757.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_GB_R0757
  INTO TABLE IT_HCMT_BSP_PA_GB_R0757.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_GB_R0757
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_GB_R07572).
*--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_GB_R0757 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_GB_R07572).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_GB_R0757 ASSIGNING <HCMT_BSP_PA_GB_R0757>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_GB_R0757>-OBJECT_KEY = 1.
<HCMT_BSP_PA_GB_R0757>-PERNR = 1.
<HCMT_BSP_PA_GB_R0757>-AEDTM = 1.
<HCMT_BSP_PA_GB_R0757>-UNAME = 1.
<HCMT_BSP_PA_GB_R0757>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_GB_R0757 INTO WA_HCMT_BSP_PA_GB_R0757.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_GB_R0757-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_GB_R0757-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_GB_R0757-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_GB_R0757-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_GB_R0757-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_GB_R0757-TCTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_GB_R0757 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_GB_R0757 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_GB_R0757 INTO WA_HCMT_BSP_PA_GB_R0757.


*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_GB_R0757_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,
TCTYP TYPE STRING,
DAYRT TYPE STRING,
WAER1 TYPE STRING,
CPRSN TYPE STRING,
SCRSN TYPE STRING,
CPISN TYPE STRING,
SCISN TYPE STRING,
CPISD TYPE STRING,
SCISD TYPE STRING,
CPRCD TYPE STRING,
SCRCD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_GB_R0757_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_GB_R0757_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-TCTYP sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-DAYRT sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-WAER1 sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-CPRSN sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-SCRSN sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-CPISN sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-SCISN sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-CPISD sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-SCISD sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-CPRCD sy-vline 
WA_HCMT_BSP_PA_GB_R0757_STR-SCRCD sy-vline      INTO ld_text SEPARATED BY SPACE.

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