ABAP Select data from SAP table ACUSTMATINFORECD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACUSTMATINFORECD
*  INTO TABLE @DATA(IT_ACUSTMATINFORECD2).
*--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_ACUSTMATINFORECD INDEX 1 INTO DATA(WA_ACUSTMATINFORECD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACUSTMATINFORECD>-MANDT = 1.
<ACUSTMATINFORECD>-SALESORGANIZATION = 1.
<ACUSTMATINFORECD>-DISTRIBUTIONCHANNEL = 1.
<ACUSTMATINFORECD>-CUSTOMER = 1.
<ACUSTMATINFORECD>-MATERIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACUSTMATINFORECD-MATERIALBYCUSTOMER, sy-vline,
  WA_ACUSTMATINFORECD-MATERIALDESCRIPTIONBYCUSTOMER, sy-vline,
  WA_ACUSTMATINFORECD-PLANT, sy-vline,
  WA_ACUSTMATINFORECD-DELIVERYPRIORITY, sy-vline,
  WA_ACUSTMATINFORECD-MINDELIVERYQTYINBASEUNIT, sy-vline,
  WA_ACUSTMATINFORECD-BASEUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACUSTMATINFORECD 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_ACUSTMATINFORECD 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_ACUSTMATINFORECD INTO WA_ACUSTMATINFORECD.


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

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

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACUSTMATINFORECD-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACUSTMATINFORECD-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SALESUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACUSTMATINFORECD-SALESUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACUSTMATINFORECD-SALESUNIT.
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_ACUSTMATINFORECD_STR, 
MANDT TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
CUSTOMER TYPE STRING,
MATERIAL TYPE STRING,
MATERIALBYCUSTOMER TYPE STRING,
MATERIALDESCRIPTIONBYCUSTOMER TYPE STRING,
PLANT TYPE STRING,
DELIVERYPRIORITY TYPE STRING,
MINDELIVERYQTYINBASEUNIT TYPE STRING,
BASEUNIT TYPE STRING,
PARTIALDELIVERYISALLOWED TYPE STRING,
MAXNMBROFPARTIALDELIVERY TYPE STRING,
UNDERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
OVERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
UNLIMITEDOVERDELIVERYISALLOWED TYPE STRING,
CUSTOMERMATERIALITEMUSAGE TYPE STRING,
SALESUNIT TYPE STRING,
SALESQTYTOBASEQTYDNMNTR TYPE STRING,
SALESQTYTOBASEQTYNMRTR TYPE STRING,
ETAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACUSTMATINFORECD_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_ACUSTMATINFORECD_STR-MANDT sy-vline 
WA_ACUSTMATINFORECD_STR-SALESORGANIZATION sy-vline 
WA_ACUSTMATINFORECD_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_ACUSTMATINFORECD_STR-CUSTOMER sy-vline 
WA_ACUSTMATINFORECD_STR-MATERIAL sy-vline 
WA_ACUSTMATINFORECD_STR-MATERIALBYCUSTOMER sy-vline 
WA_ACUSTMATINFORECD_STR-MATERIALDESCRIPTIONBYCUSTOMER sy-vline 
WA_ACUSTMATINFORECD_STR-PLANT sy-vline 
WA_ACUSTMATINFORECD_STR-DELIVERYPRIORITY sy-vline 
WA_ACUSTMATINFORECD_STR-MINDELIVERYQTYINBASEUNIT sy-vline 
WA_ACUSTMATINFORECD_STR-BASEUNIT sy-vline 
WA_ACUSTMATINFORECD_STR-PARTIALDELIVERYISALLOWED sy-vline 
WA_ACUSTMATINFORECD_STR-MAXNMBROFPARTIALDELIVERY sy-vline 
WA_ACUSTMATINFORECD_STR-UNDERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_ACUSTMATINFORECD_STR-OVERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_ACUSTMATINFORECD_STR-UNLIMITEDOVERDELIVERYISALLOWED sy-vline 
WA_ACUSTMATINFORECD_STR-CUSTOMERMATERIALITEMUSAGE sy-vline 
WA_ACUSTMATINFORECD_STR-SALESUNIT sy-vline 
WA_ACUSTMATINFORECD_STR-SALESQTYTOBASEQTYDNMNTR sy-vline 
WA_ACUSTMATINFORECD_STR-SALESQTYTOBASEQTYNMRTR sy-vline 
WA_ACUSTMATINFORECD_STR-ETAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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