ABAP Select data from SAP table CSHDB_DOC_BOM_EXPL_V1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CSHDB_DOC_BOM_EXPL_V1 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 CSHDB_DOC_BOM_EXPL_V1. 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 CSHDB_DOC_BOM_EXPL_V1 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_CSHDB_DOC_BOM_EXPL_V1 TYPE STANDARD TABLE OF CSHDB_DOC_BOM_EXPL_V1,
      WA_CSHDB_DOC_BOM_EXPL_V1 TYPE CSHDB_DOC_BOM_EXPL_V1,
      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: <CSHDB_DOC_BOM_EXPL_V1> TYPE CSHDB_DOC_BOM_EXPL_V1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CSHDB_DOC_BOM_EXPL_V1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CSHDB_DOC_BOM_EXPL_V1
  INTO TABLE IT_CSHDB_DOC_BOM_EXPL_V1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSHDB_DOC_BOM_EXPL_V1
*  INTO TABLE @DATA(IT_CSHDB_DOC_BOM_EXPL_V12).
*--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_CSHDB_DOC_BOM_EXPL_V1 INDEX 1 INTO DATA(WA_CSHDB_DOC_BOM_EXPL_V12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CSHDB_DOC_BOM_EXPL_V1 ASSIGNING <CSHDB_DOC_BOM_EXPL_V1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSHDB_DOC_BOM_EXPL_V1>-MANDT = 1.
<CSHDB_DOC_BOM_EXPL_V1>-LVL = 1.
<CSHDB_DOC_BOM_EXPL_V1>-P_DOKAR = 1.
<CSHDB_DOC_BOM_EXPL_V1>-P_DOKNR = 1.
<CSHDB_DOC_BOM_EXPL_V1>-P_DOKVR = 1.

ENDLOOP.

LOOP AT IT_CSHDB_DOC_BOM_EXPL_V1 INTO WA_CSHDB_DOC_BOM_EXPL_V1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSHDB_DOC_BOM_EXPL_V1-P_DOKTL, sy-vline,
  WA_CSHDB_DOC_BOM_EXPL_V1-P_DKTXT, sy-vline,
  WA_CSHDB_DOC_BOM_EXPL_V1-P_DOKST, sy-vline,
  WA_CSHDB_DOC_BOM_EXPL_V1-P_STABK, sy-vline,
  WA_CSHDB_DOC_BOM_EXPL_V1-P_DOSTX, sy-vline,
  WA_CSHDB_DOC_BOM_EXPL_V1-STLNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSHDB_DOC_BOM_EXPL_V1 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_CSHDB_DOC_BOM_EXPL_V1 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_CSHDB_DOC_BOM_EXPL_V1 INTO WA_CSHDB_DOC_BOM_EXPL_V1.


*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.

*Conversion exit ALPHA, internal->external for field P_DOKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-P_DOKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-P_DOKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-STLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STLAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-STLAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-STLAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field C_STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-C_STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-C_STLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field C_STLAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-C_STLAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-C_STLAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field C_BMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-C_BMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-C_BMEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENRA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-AENRA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-AENRA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field IDNRK
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-IDNRK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-IDNRK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-POSNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LTXSP
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-LTXSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-LTXSP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSHDB_DOC_BOM_EXPL_V1-DOKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSHDB_DOC_BOM_EXPL_V1-DOKNR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CSHDB_DOC_BOM_EXPL_V1_STR, 
MANDT TYPE STRING,
LVL TYPE STRING,
P_DOKAR TYPE STRING,
P_DOKNR TYPE STRING,
P_DOKVR TYPE STRING,
P_DOKTL TYPE STRING,
P_DKTXT TYPE STRING,
P_DOKST TYPE STRING,
P_STABK TYPE STRING,
P_DOSTX TYPE STRING,
STLNR TYPE STRING,
STLAL TYPE STRING,
STLKN TYPE STRING,
STKOZ TYPE STRING,
STASZ TYPE STRING,
STPOZ TYPE STRING,
STVKN TYPE STRING,
C_STLNR TYPE STRING,
C_STLAL TYPE STRING,
C_STKOZ TYPE STRING,
C_LKENZ TYPE STRING,
C_LOEKZ TYPE STRING,
C_BMEIN TYPE STRING,
C_BMENG TYPE STRING,
TOT_MENG TYPE STRING,
DATUV TYPE STRING,
TECHV TYPE STRING,
AENNR TYPE STRING,
DATUB TYPE STRING,
AENRA TYPE STRING,
ANDAT TYPE STRING,
ANNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
IDNRK TYPE STRING,
POSTP TYPE STRING,
POSNR TYPE STRING,
SORTF TYPE STRING,
MEINS TYPE STRING,
MENGE TYPE STRING,
FMENG TYPE STRING,
SANIN TYPE STRING,
SANKO TYPE STRING,
REKRI TYPE STRING,
REKRS TYPE STRING,
CADPO TYPE STRING,
UPSKZ TYPE STRING,
LTXSP TYPE STRING,
POTX1 TYPE STRING,
POTX2 TYPE STRING,
OBJTY TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKVR TYPE STRING,
DOKTL TYPE STRING,
DKTXT TYPE STRING,
DOKST TYPE STRING,
STABK TYPE STRING,
DOSTX TYPE STRING,
POTPR TYPE STRING,
RFPNT TYPE STRING,
GUIDX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSHDB_DOC_BOM_EXPL_V1_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_CSHDB_DOC_BOM_EXPL_V1_STR-MANDT sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-LVL sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-P_DOKAR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-P_DOKNR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-P_DOKVR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-P_DOKTL sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-P_DKTXT sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-P_DOKST sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-P_STABK sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-P_DOSTX sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-STLNR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-STLAL sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-STLKN sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-STKOZ sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-STASZ sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-STPOZ sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-STVKN sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-C_STLNR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-C_STLAL sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-C_STKOZ sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-C_LKENZ sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-C_LOEKZ sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-C_BMEIN sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-C_BMENG sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-TOT_MENG sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-DATUV sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-TECHV sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-AENNR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-DATUB sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-AENRA sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-ANDAT sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-ANNAM sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-AEDAT sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-AENAM sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-IDNRK sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-POSTP sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-POSNR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-SORTF sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-MEINS sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-MENGE sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-FMENG sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-SANIN sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-SANKO sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-REKRI sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-REKRS sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-CADPO sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-UPSKZ sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-LTXSP sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-POTX1 sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-POTX2 sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-OBJTY sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-DOKAR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-DOKNR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-DOKVR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-DOKTL sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-DKTXT sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-DOKST sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-STABK sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-DOSTX sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-POTPR sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-RFPNT sy-vline 
WA_CSHDB_DOC_BOM_EXPL_V1_STR-GUIDX sy-vline      INTO ld_text SEPARATED BY SPACE.

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