ABAP Select data from SAP table EINV_RESPXML_TR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EINV_RESPXML_TR
*  INTO TABLE @DATA(IT_EINV_RESPXML_TR2).
*--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_EINV_RESPXML_TR INDEX 1 INTO DATA(WA_EINV_RESPXML_TR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EINV_RESPXML_TR>-UBLVERS_ID = 1.
<EINV_RESPXML_TR>-CUSTOM_ID = 1.
<EINV_RESPXML_TR>-PROFILE_ID = 1.
<EINV_RESPXML_TR>-ID = 1.
<EINV_RESPXML_TR>-UUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EINV_RESPXML_TR-ISSUE_DATE, sy-vline,
  WA_EINV_RESPXML_TR-ASP, sy-vline,
  WA_EINV_RESPXML_TR-PARTY, sy-vline,
  WA_EINV_RESPXML_TR-WEB_URL, sy-vline,
  WA_EINV_RESPXML_TR-PARTY_IDFICATION, sy-vline,
  WA_EINV_RESPXML_TR-ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EINV_RESPXML_TR 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_EINV_RESPXML_TR 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_EINV_RESPXML_TR INTO WA_EINV_RESPXML_TR.


*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 SXIDN, internal->external for field EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_EINV_RESPXML_TR-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EINV_RESPXML_TR-EMAIL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_EINV_RESPXML_TR-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EINV_RESPXML_TR-EMAIL.
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_EINV_RESPXML_TR_STR, 
UBLVERS_ID TYPE STRING,
CUSTOM_ID TYPE STRING,
PROFILE_ID TYPE STRING,
ID TYPE STRING,
UUID TYPE STRING,
ISSUE_DATE TYPE STRING,
ASP TYPE STRING,
PARTY TYPE STRING,
WEB_URL TYPE STRING,
PARTY_IDFICATION TYPE STRING,
ID TYPE STRING,
SCHMID TYPE STRING,
PARTY_NAME TYPE STRING,
NAME TYPE STRING,
POST_ADDR TYPE STRING,
ID TYPE STRING,
STREET_NAME TYPE STRING,
BUILDG_NAME TYPE STRING,
BUILDG_NO TYPE STRING,
CITY_SUBD_NAME TYPE STRING,
CITY_NAME TYPE STRING,
POST_ZONE TYPE STRING,
REGION TYPE STRING,
COUNTRY TYPE STRING,
COUNTRY_NAME TYPE STRING,
PARTY_TXSCHM TYPE STRING,
TXSCHM_NAME TYPE STRING,
NAME TYPE STRING,
TAX_TYPE_CODE TYPE STRING,
CONTACT TYPE STRING,
TPHONE TYPE STRING,
TFAX TYPE STRING,
EMAIL TYPE STRING,
ACP TYPE STRING,
PARTY TYPE STRING,
WEB_URL TYPE STRING,
PARTY_IDFICATION TYPE STRING,
ID TYPE STRING,
SCHMID TYPE STRING,
PARTY_NAME TYPE STRING,
NAME TYPE STRING,
POST_ADDR TYPE STRING,
ID TYPE STRING,
STREET_NAME TYPE STRING,
BUILDG_NAME TYPE STRING,
BUILDG_NO TYPE STRING,
CITY_SUBD_NAME TYPE STRING,
CITY_NAME TYPE STRING,
POST_ZONE TYPE STRING,
REGION TYPE STRING,
COUNTRY TYPE STRING,
COUNTRY_NAME TYPE STRING,
PARTY_TXSCHM TYPE STRING,
TXSCHM_NAME TYPE STRING,
NAME TYPE STRING,
TAX_TYPE_CODE TYPE STRING,
CONTACT TYPE STRING,
TPHONE TYPE STRING,
TFAX TYPE STRING,
EMAIL TYPE STRING,
DOCU_RESPONSE TYPE STRING,
RESPONSE TYPE STRING,
REF_ID TYPE STRING,
RESP_CODE TYPE STRING,
DOCU_REFR TYPE STRING,
ID TYPE STRING,
ISSUE_DATE TYPE STRING,
DOC_TYP_CODE TYPE STRING,
DOC_TYPE TYPE STRING,
ATTACHMENT TYPE STRING,
EXTERNAL_REFERENCE TYPE STRING,
EMBEDD_DOC_BIN_OBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EINV_RESPXML_TR_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_EINV_RESPXML_TR_STR-UBLVERS_ID sy-vline 
WA_EINV_RESPXML_TR_STR-CUSTOM_ID sy-vline 
WA_EINV_RESPXML_TR_STR-PROFILE_ID sy-vline 
WA_EINV_RESPXML_TR_STR-ID sy-vline 
WA_EINV_RESPXML_TR_STR-UUID sy-vline 
WA_EINV_RESPXML_TR_STR-ISSUE_DATE sy-vline 
WA_EINV_RESPXML_TR_STR-ASP sy-vline 
WA_EINV_RESPXML_TR_STR-PARTY sy-vline 
WA_EINV_RESPXML_TR_STR-WEB_URL sy-vline 
WA_EINV_RESPXML_TR_STR-PARTY_IDFICATION sy-vline 
WA_EINV_RESPXML_TR_STR-ID sy-vline 
WA_EINV_RESPXML_TR_STR-SCHMID sy-vline 
WA_EINV_RESPXML_TR_STR-PARTY_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-NAME sy-vline 
WA_EINV_RESPXML_TR_STR-POST_ADDR sy-vline 
WA_EINV_RESPXML_TR_STR-ID sy-vline 
WA_EINV_RESPXML_TR_STR-STREET_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-BUILDG_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-BUILDG_NO sy-vline 
WA_EINV_RESPXML_TR_STR-CITY_SUBD_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-CITY_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-POST_ZONE sy-vline 
WA_EINV_RESPXML_TR_STR-REGION sy-vline 
WA_EINV_RESPXML_TR_STR-COUNTRY sy-vline 
WA_EINV_RESPXML_TR_STR-COUNTRY_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-PARTY_TXSCHM sy-vline 
WA_EINV_RESPXML_TR_STR-TXSCHM_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-NAME sy-vline 
WA_EINV_RESPXML_TR_STR-TAX_TYPE_CODE sy-vline 
WA_EINV_RESPXML_TR_STR-CONTACT sy-vline 
WA_EINV_RESPXML_TR_STR-TPHONE sy-vline 
WA_EINV_RESPXML_TR_STR-TFAX sy-vline 
WA_EINV_RESPXML_TR_STR-EMAIL sy-vline 
WA_EINV_RESPXML_TR_STR-ACP sy-vline 
WA_EINV_RESPXML_TR_STR-PARTY sy-vline 
WA_EINV_RESPXML_TR_STR-WEB_URL sy-vline 
WA_EINV_RESPXML_TR_STR-PARTY_IDFICATION sy-vline 
WA_EINV_RESPXML_TR_STR-ID sy-vline 
WA_EINV_RESPXML_TR_STR-SCHMID sy-vline 
WA_EINV_RESPXML_TR_STR-PARTY_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-NAME sy-vline 
WA_EINV_RESPXML_TR_STR-POST_ADDR sy-vline 
WA_EINV_RESPXML_TR_STR-ID sy-vline 
WA_EINV_RESPXML_TR_STR-STREET_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-BUILDG_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-BUILDG_NO sy-vline 
WA_EINV_RESPXML_TR_STR-CITY_SUBD_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-CITY_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-POST_ZONE sy-vline 
WA_EINV_RESPXML_TR_STR-REGION sy-vline 
WA_EINV_RESPXML_TR_STR-COUNTRY sy-vline 
WA_EINV_RESPXML_TR_STR-COUNTRY_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-PARTY_TXSCHM sy-vline 
WA_EINV_RESPXML_TR_STR-TXSCHM_NAME sy-vline 
WA_EINV_RESPXML_TR_STR-NAME sy-vline 
WA_EINV_RESPXML_TR_STR-TAX_TYPE_CODE sy-vline 
WA_EINV_RESPXML_TR_STR-CONTACT sy-vline 
WA_EINV_RESPXML_TR_STR-TPHONE sy-vline 
WA_EINV_RESPXML_TR_STR-TFAX sy-vline 
WA_EINV_RESPXML_TR_STR-EMAIL sy-vline 
WA_EINV_RESPXML_TR_STR-DOCU_RESPONSE sy-vline 
WA_EINV_RESPXML_TR_STR-RESPONSE sy-vline 
WA_EINV_RESPXML_TR_STR-REF_ID sy-vline 
WA_EINV_RESPXML_TR_STR-RESP_CODE sy-vline 
WA_EINV_RESPXML_TR_STR-DOCU_REFR sy-vline 
WA_EINV_RESPXML_TR_STR-ID sy-vline 
WA_EINV_RESPXML_TR_STR-ISSUE_DATE sy-vline 
WA_EINV_RESPXML_TR_STR-DOC_TYP_CODE sy-vline 
WA_EINV_RESPXML_TR_STR-DOC_TYPE sy-vline 
WA_EINV_RESPXML_TR_STR-ATTACHMENT sy-vline 
WA_EINV_RESPXML_TR_STR-EXTERNAL_REFERENCE sy-vline 
WA_EINV_RESPXML_TR_STR-EMBEDD_DOC_BIN_OBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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