ABAP Select data from SAP table ISU_EAUS_DOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_EAUS_DOC
*  INTO TABLE @DATA(IT_ISU_EAUS_DOC2).
*--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_ISU_EAUS_DOC INDEX 1 INTO DATA(WA_ISU_EAUS_DOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_EAUS_DOC>-EAUS = 1.
<ISU_EAUS_DOC>-MANDT = 1.
<ISU_EAUS_DOC>-AUSZBELEG = 1.
<ISU_EAUS_DOC>-KUNDE = 1.
<ISU_EAUS_DOC>-VKONT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_EAUS_DOC-BVAR, sy-vline,
  WA_ISU_EAUS_DOC-VORLAUSZ, sy-vline,
  WA_ISU_EAUS_DOC-DEBWECHS, sy-vline,
  WA_ISU_EAUS_DOC-DEPARTUREDATE, sy-vline,
  WA_ISU_EAUS_DOC-ABSSTOPKZ, sy-vline,
  WA_ISU_EAUS_DOC-ABSSTOPANFO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_EAUS_DOC 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_ISU_EAUS_DOC 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_ISU_EAUS_DOC INTO WA_ISU_EAUS_DOC.


*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 AUSZBELEG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU_EAUS_DOC-AUSZBELEG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_EAUS_DOC-AUSZBELEG.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU_EAUS_DOC-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_EAUS_DOC-OPBEL.
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_ISU_EAUS_DOC_STR, 
EAUS TYPE STRING,
MANDT TYPE STRING,
AUSZBELEG TYPE STRING,
KUNDE TYPE STRING,
VKONT TYPE STRING,
BVAR TYPE STRING,
VORLAUSZ TYPE STRING,
DEBWECHS TYPE STRING,
DEPARTUREDATE TYPE STRING,
ABSSTOPKZ TYPE STRING,
ABSSTOPANFO TYPE STRING,
SCHLUSSRECH TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
OPBEL TYPE STRING,
AUTBEST TYPE STRING,
FORMBEST TYPE STRING,
ANZBEST TYPE STRING,
DELAYED_PRINT TYPE STRING,
AUSWFORM TYPE STRING,
AUTSICHWARN TYPE STRING,
BPC_CCLASS TYPE STRING,
BPC_ACTIVITY TYPE STRING,
BPC_ACTIVITY2 TYPE STRING,
GPVKCHDATE TYPE STRING,
FROMMOVEIN TYPE STRING,
GPVKREVERSE TYPE STRING,
STORGPART TYPE STRING,
STORKTO TYPE STRING,
STORAUSZ TYPE STRING,
SSWTCREASON TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,
EAUSV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_EAUS_DOC_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_ISU_EAUS_DOC_STR-EAUS sy-vline 
WA_ISU_EAUS_DOC_STR-MANDT sy-vline 
WA_ISU_EAUS_DOC_STR-AUSZBELEG sy-vline 
WA_ISU_EAUS_DOC_STR-KUNDE sy-vline 
WA_ISU_EAUS_DOC_STR-VKONT sy-vline 
WA_ISU_EAUS_DOC_STR-BVAR sy-vline 
WA_ISU_EAUS_DOC_STR-VORLAUSZ sy-vline 
WA_ISU_EAUS_DOC_STR-DEBWECHS sy-vline 
WA_ISU_EAUS_DOC_STR-DEPARTUREDATE sy-vline 
WA_ISU_EAUS_DOC_STR-ABSSTOPKZ sy-vline 
WA_ISU_EAUS_DOC_STR-ABSSTOPANFO sy-vline 
WA_ISU_EAUS_DOC_STR-SCHLUSSRECH sy-vline 
WA_ISU_EAUS_DOC_STR-BLDAT sy-vline 
WA_ISU_EAUS_DOC_STR-BUDAT sy-vline 
WA_ISU_EAUS_DOC_STR-OPBEL sy-vline 
WA_ISU_EAUS_DOC_STR-AUTBEST sy-vline 
WA_ISU_EAUS_DOC_STR-FORMBEST sy-vline 
WA_ISU_EAUS_DOC_STR-ANZBEST sy-vline 
WA_ISU_EAUS_DOC_STR-DELAYED_PRINT sy-vline 
WA_ISU_EAUS_DOC_STR-AUSWFORM sy-vline 
WA_ISU_EAUS_DOC_STR-AUTSICHWARN sy-vline 
WA_ISU_EAUS_DOC_STR-BPC_CCLASS sy-vline 
WA_ISU_EAUS_DOC_STR-BPC_ACTIVITY sy-vline 
WA_ISU_EAUS_DOC_STR-BPC_ACTIVITY2 sy-vline 
WA_ISU_EAUS_DOC_STR-GPVKCHDATE sy-vline 
WA_ISU_EAUS_DOC_STR-FROMMOVEIN sy-vline 
WA_ISU_EAUS_DOC_STR-GPVKREVERSE sy-vline 
WA_ISU_EAUS_DOC_STR-STORGPART sy-vline 
WA_ISU_EAUS_DOC_STR-STORKTO sy-vline 
WA_ISU_EAUS_DOC_STR-STORAUSZ sy-vline 
WA_ISU_EAUS_DOC_STR-SSWTCREASON sy-vline 
WA_ISU_EAUS_DOC_STR-ERDAT sy-vline 
WA_ISU_EAUS_DOC_STR-ERNAM sy-vline 
WA_ISU_EAUS_DOC_STR-AEDAT sy-vline 
WA_ISU_EAUS_DOC_STR-AENAM sy-vline 
WA_ISU_EAUS_DOC_STR-BEGRU sy-vline 
WA_ISU_EAUS_DOC_STR-LOEVM sy-vline 
WA_ISU_EAUS_DOC_STR-EAUSV sy-vline      INTO ld_text SEPARATED BY SPACE.

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