ABAP Select data from SAP table BAPISDXTH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPISDXTH
*  INTO TABLE @DATA(IT_BAPISDXTH2).
*--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_BAPISDXTH INDEX 1 INTO DATA(WA_BAPISDXTH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPISDXTH>-MANDT = 1.
<BAPISDXTH>-KEYCHAR10 = 1.
<BAPISDXTH>-FLDDATE = 1.
<BAPISDXTH>-FLDCHAR = 1.
<BAPISDXTH>-FLDINT1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPISDXTH-FLDINT2, sy-vline,
  WA_BAPISDXTH-FLDINT4, sy-vline,
  WA_BAPISDXTH-FLDQUAN, sy-vline,
  WA_BAPISDXTH-FLDUNIT, sy-vline,
  WA_BAPISDXTH-FLDALPHA, sy-vline,
  WA_BAPISDXTH-FLDCURR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPISDXTH 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_BAPISDXTH 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_BAPISDXTH INTO WA_BAPISDXTH.


*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 FLDALPHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPISDXTH-FLDALPHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPISDXTH-FLDALPHA.
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_BAPISDXTH_STR, 
MANDT TYPE STRING,
KEYCHAR10 TYPE STRING,
FLDDATE TYPE STRING,
FLDCHAR TYPE STRING,
FLDINT1 TYPE STRING,
FLDINT2 TYPE STRING,
FLDINT4 TYPE STRING,
FLDQUAN TYPE STRING,
FLDUNIT TYPE STRING,
FLDALPHA TYPE STRING,
FLDCURR TYPE STRING,
FLDCUKY TYPE STRING,
FLDDECD3S TYPE STRING,
FLDDECMAX TYPE STRING,
FLDFLOAT TYPE STRING,
FLDTIME TYPE STRING,
FLDPREC TYPE STRING,
FLDNUMC TYPE STRING,
FLDHEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPISDXTH_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_BAPISDXTH_STR-MANDT sy-vline 
WA_BAPISDXTH_STR-KEYCHAR10 sy-vline 
WA_BAPISDXTH_STR-FLDDATE sy-vline 
WA_BAPISDXTH_STR-FLDCHAR sy-vline 
WA_BAPISDXTH_STR-FLDINT1 sy-vline 
WA_BAPISDXTH_STR-FLDINT2 sy-vline 
WA_BAPISDXTH_STR-FLDINT4 sy-vline 
WA_BAPISDXTH_STR-FLDQUAN sy-vline 
WA_BAPISDXTH_STR-FLDUNIT sy-vline 
WA_BAPISDXTH_STR-FLDALPHA sy-vline 
WA_BAPISDXTH_STR-FLDCURR sy-vline 
WA_BAPISDXTH_STR-FLDCUKY sy-vline 
WA_BAPISDXTH_STR-FLDDECD3S sy-vline 
WA_BAPISDXTH_STR-FLDDECMAX sy-vline 
WA_BAPISDXTH_STR-FLDFLOAT sy-vline 
WA_BAPISDXTH_STR-FLDTIME sy-vline 
WA_BAPISDXTH_STR-FLDPREC sy-vline 
WA_BAPISDXTH_STR-FLDNUMC sy-vline 
WA_BAPISDXTH_STR-FLDHEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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