ABAP Select data from SAP table HCMT_BSP_PA_HU_R0636 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_HU_R0636 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_HU_R0636. 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_HU_R0636 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_HU_R0636 TYPE STANDARD TABLE OF HCMT_BSP_PA_HU_R0636,
      WA_HCMT_BSP_PA_HU_R0636 TYPE HCMT_BSP_PA_HU_R0636,
      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_HU_R0636> TYPE HCMT_BSP_PA_HU_R0636.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_HU_R0636.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_HU_R0636
  INTO TABLE IT_HCMT_BSP_PA_HU_R0636.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_HU_R0636
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_HU_R06362).
*--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_HU_R0636 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_HU_R06362).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_HU_R0636 ASSIGNING <HCMT_BSP_PA_HU_R0636>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_HU_R0636>-OBJECT_KEY = 1.
<HCMT_BSP_PA_HU_R0636>-PERNR = 1.
<HCMT_BSP_PA_HU_R0636>-AEDTM = 1.
<HCMT_BSP_PA_HU_R0636>-UNAME = 1.
<HCMT_BSP_PA_HU_R0636>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_HU_R0636 INTO WA_HCMT_BSP_PA_HU_R0636.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_HU_R0636-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_HU_R0636-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_HU_R0636-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_HU_R0636-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_HU_R0636-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_HU_R0636-SUBTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_HU_R0636 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_HU_R0636 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_HU_R0636 INTO WA_HCMT_BSP_PA_HU_R0636.


*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_HU_R0636_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,
SUBTY TYPE STRING,
STEXT TYPE STRING,
MHELY TYPE STRING,
IGAZO TYPE STRING,
TS_EV TYPE STRING,
TS_HO TYPE STRING,
TSNAP TYPE STRING,
TT_EV TYPE STRING,
TT_HO TYPE STRING,
TTNAP TYPE STRING,
TO_EV TYPE STRING,
TO_HO TYPE STRING,
TONAP TYPE STRING,
TJ_EV TYPE STRING,
TJ_HO TYPE STRING,
TJNAP TYPE STRING,
TV_EV TYPE STRING,
TV_HO TYPE STRING,
TVNAP TYPE STRING,
MEGSZ TYPE STRING,
MEGSN TYPE STRING,
R_KSZ TYPE STRING,
R_KSZ_F1_T TYPE STRING,
R_KSZ_F1_A TYPE STRING,
R_JJU TYPE STRING,
R_VKI TYPE STRING,
R_PSZ TYPE STRING,
R_NYJ TYPE STRING,
R_NYM TYPE STRING,
R_SZI TYPE STRING,
R_SZJ TYPE STRING,
R_LS TYPE STRING,
R_REN TYPE STRING,
R_TSZ TYPE STRING,
ALKMN TYPE STRING,
ALKKOD TYPE STRING,
MUNKAKOR TYPE STRING,
FEGYV TYPE STRING,
RFKOD TYPE STRING,
RFTEXT TYPE STRING,
MODNAP TYPE STRING,
MITIP TYPE STRING,
KSZOR TYPE STRING,
KEDV_MEGNEV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_HU_R0636_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_HU_R0636_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-SUBTY sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-STEXT sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-MHELY sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-IGAZO sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TS_EV sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TS_HO sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TSNAP sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TT_EV sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TT_HO sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TTNAP sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TO_EV sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TO_HO sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TONAP sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TJ_EV sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TJ_HO sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TJNAP sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TV_EV sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TV_HO sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-TVNAP sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-MEGSZ sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-MEGSN sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_KSZ sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_KSZ_F1_T sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_KSZ_F1_A sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_JJU sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_VKI sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_PSZ sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_NYJ sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_NYM sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_SZI sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_SZJ sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_LS sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_REN sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-R_TSZ sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-ALKMN sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-ALKKOD sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-MUNKAKOR sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-FEGYV sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-RFKOD sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-RFTEXT sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-MODNAP sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-MITIP sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-KSZOR sy-vline 
WA_HCMT_BSP_PA_HU_R0636_STR-KEDV_MEGNEV sy-vline      INTO ld_text SEPARATED BY SPACE.

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