ABAP Select data from SAP table ICRVERSION into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICRVERSION
*  INTO TABLE @DATA(IT_ICRVERSION2).
*--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_ICRVERSION INDEX 1 INTO DATA(WA_ICRVERSION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICRVERSION>-MANDT = 1.
<ICRVERSION>-CMPLRQVERSUUID = 1.
<ICRVERSION>-CMPLRQVERS = 1.
<ICRVERSION>-CMPLRQUUID = 1.
<ICRVERSION>-COMPLIANCEREQUIREMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICRVERSION-CMPLRQVERSMAINTSTATUS, sy-vline,
  WA_ICRVERSION-CMPLRQVERSPERMITNUMBER, sy-vline,
  WA_ICRVERSION-CMPLRQTYPE, sy-vline,
  WA_ICRVERSION-CMPLRQDOMAIN, sy-vline,
  WA_ICRVERSION-CMPLRQMIGRATIONSOURCE, sy-vline,
  WA_ICRVERSION-CMPLRQPATTERN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICRVERSION 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_ICRVERSION 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_ICRVERSION INTO WA_ICRVERSION.


*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 EHCPR, internal->external for field CONTENTPROVIDER
CALL FUNCTION 'CONVERSION_EXIT_EHCPR_OUTPUT'
  EXPORTING
    input =                      WA_ICRVERSION-CONTENTPROVIDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICRVERSION-CONTENTPROVIDER.
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_ICRVERSION_STR, 
MANDT TYPE STRING,
CMPLRQVERSUUID TYPE STRING,
CMPLRQVERS TYPE STRING,
CMPLRQUUID TYPE STRING,
COMPLIANCEREQUIREMENT TYPE STRING,
CMPLRQVERSMAINTSTATUS TYPE STRING,
CMPLRQVERSPERMITNUMBER TYPE STRING,
CMPLRQTYPE TYPE STRING,
CMPLRQDOMAIN TYPE STRING,
CMPLRQMIGRATIONSOURCE TYPE STRING,
CMPLRQPATTERN TYPE STRING,
ISSUINGORGANIZATION TYPE STRING,
CONTENTPROVIDER TYPE STRING,
CMPLRQVERSBUILDDATE TYPE STRING,
EFFECTIVEDATE TYPE STRING,
CMPLRQVERSVALIDTODATE TYPE STRING,
CMPLRQAPPLICATIONCOMPONENT TYPE STRING,
CMPLRQSOURCEURL TYPE STRING,
TRANSITIONPERIODENDDATE TYPE STRING,
CMPLRQISINITIALLYPRVDDBYSAP TYPE STRING,
CMPLRQEXTERNALUUID TYPE STRING,
COUNTRYNAME TYPE STRING,
CMPLRQVERSDOCUMENTATIONOBJECT TYPE STRING,
CURRENTDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICRVERSION_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_ICRVERSION_STR-MANDT sy-vline 
WA_ICRVERSION_STR-CMPLRQVERSUUID sy-vline 
WA_ICRVERSION_STR-CMPLRQVERS sy-vline 
WA_ICRVERSION_STR-CMPLRQUUID sy-vline 
WA_ICRVERSION_STR-COMPLIANCEREQUIREMENT sy-vline 
WA_ICRVERSION_STR-CMPLRQVERSMAINTSTATUS sy-vline 
WA_ICRVERSION_STR-CMPLRQVERSPERMITNUMBER sy-vline 
WA_ICRVERSION_STR-CMPLRQTYPE sy-vline 
WA_ICRVERSION_STR-CMPLRQDOMAIN sy-vline 
WA_ICRVERSION_STR-CMPLRQMIGRATIONSOURCE sy-vline 
WA_ICRVERSION_STR-CMPLRQPATTERN sy-vline 
WA_ICRVERSION_STR-ISSUINGORGANIZATION sy-vline 
WA_ICRVERSION_STR-CONTENTPROVIDER sy-vline 
WA_ICRVERSION_STR-CMPLRQVERSBUILDDATE sy-vline 
WA_ICRVERSION_STR-EFFECTIVEDATE sy-vline 
WA_ICRVERSION_STR-CMPLRQVERSVALIDTODATE sy-vline 
WA_ICRVERSION_STR-CMPLRQAPPLICATIONCOMPONENT sy-vline 
WA_ICRVERSION_STR-CMPLRQSOURCEURL sy-vline 
WA_ICRVERSION_STR-TRANSITIONPERIODENDDATE sy-vline 
WA_ICRVERSION_STR-CMPLRQISINITIALLYPRVDDBYSAP sy-vline 
WA_ICRVERSION_STR-CMPLRQEXTERNALUUID sy-vline 
WA_ICRVERSION_STR-COUNTRYNAME sy-vline 
WA_ICRVERSION_STR-CMPLRQVERSDOCUMENTATIONOBJECT sy-vline 
WA_ICRVERSION_STR-CURRENTDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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