ABAP Select data from SAP table CRELCHK_DETLFLT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRELCHK_DETLFLT
*  INTO TABLE @DATA(IT_CRELCHK_DETLFLT2).
*--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_CRELCHK_DETLFLT INDEX 1 INTO DATA(WA_CRELCHK_DETLFLT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRELCHK_DETLFLT>-MANDT = 1.
<CRELCHK_DETLFLT>-ARUNRELEASECHECKVARIANTNAME = 1.
<CRELCHK_DETLFLT>-ARUNRELEASECHECKRUNUUID = 1.
<CRELCHK_DETLFLT>-ARUNRELEASECHECKRESULTUUID = 1.
<CRELCHK_DETLFLT>-COMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRELCHK_DETLFLT-REQUIREMENTTYPE, sy-vline,
  WA_CRELCHK_DETLFLT-ASSIGNEDSUPPLYTYPE, sy-vline,
  WA_CRELCHK_DETLFLT-PLANT, sy-vline,
  WA_CRELCHK_DETLFLT-STORAGELOCATION, sy-vline,
  WA_CRELCHK_DETLFLT-SALESDISTRICT, sy-vline,
  WA_CRELCHK_DETLFLT-SALESGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRELCHK_DETLFLT 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_CRELCHK_DETLFLT 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_CRELCHK_DETLFLT INTO WA_CRELCHK_DETLFLT.


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

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

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

*Conversion exit ALPHA, internal->external for field SHIPPINGGROUPNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRELCHK_DETLFLT-SHIPPINGGROUPNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRELCHK_DETLFLT-SHIPPINGGROUPNUMBER.
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_CRELCHK_DETLFLT_STR, 
MANDT TYPE STRING,
ARUNRELEASECHECKVARIANTNAME TYPE STRING,
ARUNRELEASECHECKRUNUUID TYPE STRING,
ARUNRELEASECHECKRESULTUUID TYPE STRING,
COMPANYCODE TYPE STRING,
REQUIREMENTTYPE TYPE STRING,
ASSIGNEDSUPPLYTYPE TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
SALESDISTRICT TYPE STRING,
SALESGROUP TYPE STRING,
SALESOFFICE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
CUSTOMERGROUP TYPE STRING,
SHIPTOPARTY TYPE STRING,
SOLDTOPARTY TYPE STRING,
PRODUCTAVAILABILITYDATE TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
REQUIREMENTSEGMENT TYPE STRING,
PRODUCTSEASONYEAR TYPE STRING,
PRODUCTSEASON TYPE STRING,
PRODUCTCOLLECTION TYPE STRING,
PRODUCTTHEME TYPE STRING,
SHIPPINGPOINT TYPE STRING,
SHIPPINGGROUPRULE TYPE STRING,
SHIPPINGGROUPNUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRELCHK_DETLFLT_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_CRELCHK_DETLFLT_STR-MANDT sy-vline 
WA_CRELCHK_DETLFLT_STR-ARUNRELEASECHECKVARIANTNAME sy-vline 
WA_CRELCHK_DETLFLT_STR-ARUNRELEASECHECKRUNUUID sy-vline 
WA_CRELCHK_DETLFLT_STR-ARUNRELEASECHECKRESULTUUID sy-vline 
WA_CRELCHK_DETLFLT_STR-COMPANYCODE sy-vline 
WA_CRELCHK_DETLFLT_STR-REQUIREMENTTYPE sy-vline 
WA_CRELCHK_DETLFLT_STR-ASSIGNEDSUPPLYTYPE sy-vline 
WA_CRELCHK_DETLFLT_STR-PLANT sy-vline 
WA_CRELCHK_DETLFLT_STR-STORAGELOCATION sy-vline 
WA_CRELCHK_DETLFLT_STR-SALESDISTRICT sy-vline 
WA_CRELCHK_DETLFLT_STR-SALESGROUP sy-vline 
WA_CRELCHK_DETLFLT_STR-SALESOFFICE sy-vline 
WA_CRELCHK_DETLFLT_STR-SALESORGANIZATION sy-vline 
WA_CRELCHK_DETLFLT_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CRELCHK_DETLFLT_STR-DIVISION sy-vline 
WA_CRELCHK_DETLFLT_STR-CUSTOMERGROUP sy-vline 
WA_CRELCHK_DETLFLT_STR-SHIPTOPARTY sy-vline 
WA_CRELCHK_DETLFLT_STR-SOLDTOPARTY sy-vline 
WA_CRELCHK_DETLFLT_STR-PRODUCTAVAILABILITYDATE sy-vline 
WA_CRELCHK_DETLFLT_STR-MATERIAL sy-vline 
WA_CRELCHK_DETLFLT_STR-MATERIALGROUP sy-vline 
WA_CRELCHK_DETLFLT_STR-REQUIREMENTSEGMENT sy-vline 
WA_CRELCHK_DETLFLT_STR-PRODUCTSEASONYEAR sy-vline 
WA_CRELCHK_DETLFLT_STR-PRODUCTSEASON sy-vline 
WA_CRELCHK_DETLFLT_STR-PRODUCTCOLLECTION sy-vline 
WA_CRELCHK_DETLFLT_STR-PRODUCTTHEME sy-vline 
WA_CRELCHK_DETLFLT_STR-SHIPPINGPOINT sy-vline 
WA_CRELCHK_DETLFLT_STR-SHIPPINGGROUPRULE sy-vline 
WA_CRELCHK_DETLFLT_STR-SHIPPINGGROUPNUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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