ABAP Select data from SAP table ASQVASSTRANSACT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ASQVASSTRANSACT
*  INTO TABLE @DATA(IT_ASQVASSTRANSACT2).
*--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_ASQVASSTRANSACT INDEX 1 INTO DATA(WA_ASQVASSTRANSACT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ASQVASSTRANSACT>-MANDT = 1.
<ASQVASSTRANSACT>-VALUEADDEDSERVICETYPE = 1.
<ASQVASSTRANSACT>-VALUEADDEDSUBSERVICETYPE = 1.
<ASQVASSTRANSACT>-SALESQUOTATION = 1.
<ASQVASSTRANSACT>-SALESQUOTATIONITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ASQVASSTRANSACT-VALADDEDSRVCTRANSACTIONNUMBER, sy-vline,
  WA_ASQVASSTRANSACT-VALADDEDSRVCITEMGROUP, sy-vline,
  WA_ASQVASSTRANSACT-VALADDEDSRVCITEMNUMBER, sy-vline,
  WA_ASQVASSTRANSACT-VALUEADDEDSERVICEPRODUCT, sy-vline,
  WA_ASQVASSTRANSACT-VALADDEDSRVCHASTOBEORDERED, sy-vline,
  WA_ASQVASSTRANSACT-VALADDEDSRVCINCREMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ASQVASSTRANSACT 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_ASQVASSTRANSACT 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_ASQVASSTRANSACT INTO WA_ASQVASSTRANSACT.


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

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

*Conversion exit AUART, internal->external for field SALESQUOTATIONTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_ASQVASSTRANSACT-SALESQUOTATIONTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ASQVASSTRANSACT-SALESQUOTATIONTYPE.
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_ASQVASSTRANSACT_STR, 
MANDT TYPE STRING,
VALUEADDEDSERVICETYPE TYPE STRING,
VALUEADDEDSUBSERVICETYPE TYPE STRING,
SALESQUOTATION TYPE STRING,
SALESQUOTATIONITEM TYPE STRING,
VALADDEDSRVCTRANSACTIONNUMBER TYPE STRING,
VALADDEDSRVCITEMGROUP TYPE STRING,
VALADDEDSRVCITEMNUMBER TYPE STRING,
VALUEADDEDSERVICEPRODUCT TYPE STRING,
VALADDEDSRVCHASTOBEORDERED TYPE STRING,
VALADDEDSRVCINCREMENT TYPE STRING,
VALUEADDEDSERVICECHARGECODE TYPE STRING,
VALADDEDSRVCISCREATEDMANUALLY TYPE STRING,
VALADDEDSRVCITEMNUMBERINSD TYPE STRING,
VALADDEDSRVCISRLVTFORPROCMT TYPE STRING,
VALUEADDEDSERVICETEXT1 TYPE STRING,
VALUEADDEDSERVICETEXT2 TYPE STRING,
VALUEADDEDSERVICETEXT3 TYPE STRING,
VALUEADDEDSERVICELONGTEXT TYPE STRING,
SALESQUOTATIONTYPE TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ASQVASSTRANSACT_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_ASQVASSTRANSACT_STR-MANDT sy-vline 
WA_ASQVASSTRANSACT_STR-VALUEADDEDSERVICETYPE sy-vline 
WA_ASQVASSTRANSACT_STR-VALUEADDEDSUBSERVICETYPE sy-vline 
WA_ASQVASSTRANSACT_STR-SALESQUOTATION sy-vline 
WA_ASQVASSTRANSACT_STR-SALESQUOTATIONITEM sy-vline 
WA_ASQVASSTRANSACT_STR-VALADDEDSRVCTRANSACTIONNUMBER sy-vline 
WA_ASQVASSTRANSACT_STR-VALADDEDSRVCITEMGROUP sy-vline 
WA_ASQVASSTRANSACT_STR-VALADDEDSRVCITEMNUMBER sy-vline 
WA_ASQVASSTRANSACT_STR-VALUEADDEDSERVICEPRODUCT sy-vline 
WA_ASQVASSTRANSACT_STR-VALADDEDSRVCHASTOBEORDERED sy-vline 
WA_ASQVASSTRANSACT_STR-VALADDEDSRVCINCREMENT sy-vline 
WA_ASQVASSTRANSACT_STR-VALUEADDEDSERVICECHARGECODE sy-vline 
WA_ASQVASSTRANSACT_STR-VALADDEDSRVCISCREATEDMANUALLY sy-vline 
WA_ASQVASSTRANSACT_STR-VALADDEDSRVCITEMNUMBERINSD sy-vline 
WA_ASQVASSTRANSACT_STR-VALADDEDSRVCISRLVTFORPROCMT sy-vline 
WA_ASQVASSTRANSACT_STR-VALUEADDEDSERVICETEXT1 sy-vline 
WA_ASQVASSTRANSACT_STR-VALUEADDEDSERVICETEXT2 sy-vline 
WA_ASQVASSTRANSACT_STR-VALUEADDEDSERVICETEXT3 sy-vline 
WA_ASQVASSTRANSACT_STR-VALUEADDEDSERVICELONGTEXT sy-vline 
WA_ASQVASSTRANSACT_STR-SALESQUOTATIONTYPE sy-vline 
WA_ASQVASSTRANSACT_STR-ORGANIZATIONDIVISION sy-vline 
WA_ASQVASSTRANSACT_STR-SALESORGANIZATION sy-vline 
WA_ASQVASSTRANSACT_STR-DISTRIBUTIONCHANNEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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