ABAP Select data from SAP table CRMST_QUERY_RESULT_ERPIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMST_QUERY_RESULT_ERPIL
*  INTO TABLE @DATA(IT_CRMST_QUERY_RESULT_ERPIL2).
*--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_CRMST_QUERY_RESULT_ERPIL INDEX 1 INTO DATA(WA_CRMST_QUERY_RESULT_ERPIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMST_QUERY_RESULT_ERPIL>-VBELN = 1.
<CRMST_QUERY_RESULT_ERPIL>-TRVOG = 1.
<CRMST_QUERY_RESULT_ERPIL>-AUART = 1.
<CRMST_QUERY_RESULT_ERPIL>-AUARTT = 1.
<CRMST_QUERY_RESULT_ERPIL>-KUNNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMST_QUERY_RESULT_ERPIL-ERDAT, sy-vline,
  WA_CRMST_QUERY_RESULT_ERPIL-AUDAT, sy-vline,
  WA_CRMST_QUERY_RESULT_ERPIL-BSTKD, sy-vline,
  WA_CRMST_QUERY_RESULT_ERPIL-ZPAVW, sy-vline,
  WA_CRMST_QUERY_RESULT_ERPIL-ZPERS, sy-vline,
  WA_CRMST_QUERY_RESULT_ERPIL-ERNAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMST_QUERY_RESULT_ERPIL 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_CRMST_QUERY_RESULT_ERPIL 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_CRMST_QUERY_RESULT_ERPIL INTO WA_CRMST_QUERY_RESULT_ERPIL.


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

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_CRMST_QUERY_RESULT_ERPIL-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMST_QUERY_RESULT_ERPIL-AUART.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit PARVW, internal->external for field ZPAVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_CRMST_QUERY_RESULT_ERPIL-ZPAVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMST_QUERY_RESULT_ERPIL-ZPAVW.
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_CRMST_QUERY_RESULT_ERPIL_STR, 
VBELN TYPE STRING,
TRVOG TYPE STRING,
AUART TYPE STRING,
AUARTT TYPE STRING,
KUNNR TYPE STRING,
ERDAT TYPE STRING,
AUDAT TYPE STRING,
BSTKD TYPE STRING,
ZPAVW TYPE STRING,
ZPERS TYPE STRING,
ERNAM TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKBUR TYPE STRING,
VKGRP TYPE STRING,
WAERK TYPE STRING,
NETWR TYPE STRING,
AWAHR TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
NAME_ZPERS TYPE STRING,
KUNAG_T TYPE STRING,
AUGRU TYPE STRING,
PRSDT TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
ERP_ORDER_SRCHRES_DUMMY TYPE STRING,
KETDAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMST_QUERY_RESULT_ERPIL_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_CRMST_QUERY_RESULT_ERPIL_STR-VBELN sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-TRVOG sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-AUART sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-AUARTT sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-KUNNR sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-ERDAT sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-AUDAT sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-BSTKD sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-ZPAVW sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-ZPERS sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-ERNAM sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-VKORG sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-VTWEG sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-SPART sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-VKBUR sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-VKGRP sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-WAERK sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-NETWR sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-AWAHR sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-DATAB sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-DATBI sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-NAME_ZPERS sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-KUNAG_T sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-AUGRU sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-PRSDT sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-INCO1 sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-INCO2 sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-ERP_ORDER_SRCHRES_DUMMY sy-vline 
WA_CRMST_QUERY_RESULT_ERPIL_STR-KETDAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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