ABAP Select data from SAP table MMIM_GI_FOR_DELIVERY_CNL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMIM_GI_FOR_DELIVERY_CNL
*  INTO TABLE @DATA(IT_MMIM_GI_FOR_DELIVERY_CNL2).
*--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_MMIM_GI_FOR_DELIVERY_CNL INDEX 1 INTO DATA(WA_MMIM_GI_FOR_DELIVERY_CNL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMIM_GI_FOR_DELIVERY_CNL>-DELIVERYDOCUMENT = 1.
<MMIM_GI_FOR_DELIVERY_CNL>-DELIVERYDOCUMENTITEM = 1.
<MMIM_GI_FOR_DELIVERY_CNL>-MATERIALDOCUMENT = 1.
<MMIM_GI_FOR_DELIVERY_CNL>-MATERIALDOCUMENTYEAR = 1.
<MMIM_GI_FOR_DELIVERY_CNL>-MATERIALDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMIM_GI_FOR_DELIVERY_CNL-GOODSMOVEMENTTYPE, sy-vline,
  WA_MMIM_GI_FOR_DELIVERY_CNL-POSTINGDATE, sy-vline,
  WA_MMIM_GI_FOR_DELIVERY_CNL-MATERIAL, sy-vline,
  WA_MMIM_GI_FOR_DELIVERY_CNL-BATCH, sy-vline,
  WA_MMIM_GI_FOR_DELIVERY_CNL-REVERSEDMATERIALDOCUMENT, sy-vline,
  WA_MMIM_GI_FOR_DELIVERY_CNL-REVERSEDMATERIALDOCUMENTYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMIM_GI_FOR_DELIVERY_CNL 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_MMIM_GI_FOR_DELIVERY_CNL 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_MMIM_GI_FOR_DELIVERY_CNL INTO WA_MMIM_GI_FOR_DELIVERY_CNL.


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

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

*Conversion exit GJAHR, internal->external for field MATERIALDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GI_FOR_DELIVERY_CNL-MATERIALDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GI_FOR_DELIVERY_CNL-MATERIALDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field REVERSEDMATERIALDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GI_FOR_DELIVERY_CNL-REVERSEDMATERIALDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GI_FOR_DELIVERY_CNL-REVERSEDMATERIALDOCUMENTYEAR.
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_MMIM_GI_FOR_DELIVERY_CNL_STR, 
DELIVERYDOCUMENT TYPE STRING,
DELIVERYDOCUMENTITEM TYPE STRING,
MATERIALDOCUMENT TYPE STRING,
MATERIALDOCUMENTYEAR TYPE STRING,
MATERIALDOCUMENTITEM TYPE STRING,
GOODSMOVEMENTTYPE TYPE STRING,
POSTINGDATE TYPE STRING,
MATERIAL TYPE STRING,
BATCH TYPE STRING,
REVERSEDMATERIALDOCUMENT TYPE STRING,
REVERSEDMATERIALDOCUMENTYEAR TYPE STRING,
REVERSEDMATERIALDOCUMENTITEM TYPE STRING,
ISSUINGPLANT TYPE STRING,
RECEIVINGPLANT TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMIM_GI_FOR_DELIVERY_CNL_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_MMIM_GI_FOR_DELIVERY_CNL_STR-DELIVERYDOCUMENT sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-DELIVERYDOCUMENTITEM sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-MATERIALDOCUMENT sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-MATERIALDOCUMENTYEAR sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-MATERIALDOCUMENTITEM sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-GOODSMOVEMENTTYPE sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-POSTINGDATE sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-MATERIAL sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-BATCH sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-REVERSEDMATERIALDOCUMENT sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-REVERSEDMATERIALDOCUMENTYEAR sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-REVERSEDMATERIALDOCUMENTITEM sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-ISSUINGPLANT sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-RECEIVINGPLANT sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-CREATIONDATE sy-vline 
WA_MMIM_GI_FOR_DELIVERY_CNL_STR-CREATIONTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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