ABAP Select data from SAP table CRMV_ISU_POD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMV_ISU_POD
*  INTO TABLE @DATA(IT_CRMV_ISU_POD2).
*--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_CRMV_ISU_POD INDEX 1 INTO DATA(WA_CRMV_ISU_POD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMV_ISU_POD>-CLIENT = 1.
<CRMV_ISU_POD>-TO_GUID = 1.
<CRMV_ISU_POD>-DIVISION = 1.
<CRMV_ISU_POD>-PREMISE = 1.
<CRMV_ISU_POD>-IS_QUOT_OBJ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMV_ISU_POD-STREET, sy-vline,
  WA_CRMV_ISU_POD-STREETCODE, sy-vline,
  WA_CRMV_ISU_POD-HOUSE_NUM1, sy-vline,
  WA_CRMV_ISU_POD-HOUSE_NUM2, sy-vline,
  WA_CRMV_ISU_POD-CITY1, sy-vline,
  WA_CRMV_ISU_POD-POST_CODE1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMV_ISU_POD 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_CRMV_ISU_POD 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_CRMV_ISU_POD INTO WA_CRMV_ISU_POD.


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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CRMV_ISU_POD-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMV_ISU_POD-LANGU.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTPS, internal->external for field VALTO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMV_ISU_POD-VALTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMV_ISU_POD-VALTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field VALFR
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMV_ISU_POD-VALFR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMV_ISU_POD-VALFR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMV_ISU_POD-PARENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMV_ISU_POD-PARENT.
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_CRMV_ISU_POD_STR, 
CLIENT TYPE STRING,
TO_GUID TYPE STRING,
DIVISION TYPE STRING,
PREMISE TYPE STRING,
IS_QUOT_OBJ TYPE STRING,
STREET TYPE STRING,
STREETCODE TYPE STRING,
HOUSE_NUM1 TYPE STRING,
HOUSE_NUM2 TYPE STRING,
CITY1 TYPE STRING,
POST_CODE1 TYPE STRING,
COUNTRY TYPE STRING,
LANGU TYPE STRING,
EXT_UI TYPE STRING,
STR_SUPPL1 TYPE STRING,
STR_SUPPL2 TYPE STRING,
STR_SUPPL3 TYPE STRING,
BUILDING TYPE STRING,
FLOOR TYPE STRING,
ROOMNUMBER TYPE STRING,
LGZUSATZ TYPE STRING,
OUTL_CONT TYPE STRING,
GRID_LEVL TYPE STRING,
GRID_LTYP TYPE STRING,
GRID_ID TYPE STRING,
INSTANCE TYPE STRING,
FRAGMENT_GUID TYPE STRING,
VALTO TYPE STRING,
VALFR TYPE STRING,
IN_OBJNR TYPE STRING,
PARENT TYPE STRING,
PREMISE_GUID TYPE STRING,
MC_CITY1 TYPE STRING,
MC_STREET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMV_ISU_POD_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_CRMV_ISU_POD_STR-CLIENT sy-vline 
WA_CRMV_ISU_POD_STR-TO_GUID sy-vline 
WA_CRMV_ISU_POD_STR-DIVISION sy-vline 
WA_CRMV_ISU_POD_STR-PREMISE sy-vline 
WA_CRMV_ISU_POD_STR-IS_QUOT_OBJ sy-vline 
WA_CRMV_ISU_POD_STR-STREET sy-vline 
WA_CRMV_ISU_POD_STR-STREETCODE sy-vline 
WA_CRMV_ISU_POD_STR-HOUSE_NUM1 sy-vline 
WA_CRMV_ISU_POD_STR-HOUSE_NUM2 sy-vline 
WA_CRMV_ISU_POD_STR-CITY1 sy-vline 
WA_CRMV_ISU_POD_STR-POST_CODE1 sy-vline 
WA_CRMV_ISU_POD_STR-COUNTRY sy-vline 
WA_CRMV_ISU_POD_STR-LANGU sy-vline 
WA_CRMV_ISU_POD_STR-EXT_UI sy-vline 
WA_CRMV_ISU_POD_STR-STR_SUPPL1 sy-vline 
WA_CRMV_ISU_POD_STR-STR_SUPPL2 sy-vline 
WA_CRMV_ISU_POD_STR-STR_SUPPL3 sy-vline 
WA_CRMV_ISU_POD_STR-BUILDING sy-vline 
WA_CRMV_ISU_POD_STR-FLOOR sy-vline 
WA_CRMV_ISU_POD_STR-ROOMNUMBER sy-vline 
WA_CRMV_ISU_POD_STR-LGZUSATZ sy-vline 
WA_CRMV_ISU_POD_STR-OUTL_CONT sy-vline 
WA_CRMV_ISU_POD_STR-GRID_LEVL sy-vline 
WA_CRMV_ISU_POD_STR-GRID_LTYP sy-vline 
WA_CRMV_ISU_POD_STR-GRID_ID sy-vline 
WA_CRMV_ISU_POD_STR-INSTANCE sy-vline 
WA_CRMV_ISU_POD_STR-FRAGMENT_GUID sy-vline 
WA_CRMV_ISU_POD_STR-VALTO sy-vline 
WA_CRMV_ISU_POD_STR-VALFR sy-vline 
WA_CRMV_ISU_POD_STR-IN_OBJNR sy-vline 
WA_CRMV_ISU_POD_STR-PARENT sy-vline 
WA_CRMV_ISU_POD_STR-PREMISE_GUID sy-vline 
WA_CRMV_ISU_POD_STR-MC_CITY1 sy-vline 
WA_CRMV_ISU_POD_STR-MC_STREET sy-vline      INTO ld_text SEPARATED BY SPACE.

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