ABAP Select data from SAP table /1CADMC/01000519 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /1CADMC/01000519 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 /1CADMC/01000519. 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 /1CADMC/01000519 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_/1CADMC/01000519 TYPE STANDARD TABLE OF /1CADMC/01000519,
      WA_/1CADMC/01000519 TYPE /1CADMC/01000519,
      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: </1CADMC/01000519> TYPE /1CADMC/01000519.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/1CADMC/01000519.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /1CADMC/01000519
  INTO TABLE IT_/1CADMC/01000519.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /1CADMC/01000519
*  INTO TABLE @DATA(IT_/1CADMC/010005192).
*--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_/1CADMC/01000519 INDEX 1 INTO DATA(WA_/1CADMC/010005192).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/1CADMC/01000519 ASSIGNING </1CADMC/01000519>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</1CADMC/01000519>-IUUC_SEQUENCE = 1.
</1CADMC/01000519>-IUUC_TIMESTAMP = 1.
</1CADMC/01000519>-IUUC_PROCESSED = 1.
</1CADMC/01000519>-MANDT = 1.
</1CADMC/01000519>-MATNR = 1.

ENDLOOP.

LOOP AT IT_/1CADMC/01000519 INTO WA_/1CADMC/01000519.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/1CADMC/01000519-HIER_ID, sy-vline,
  WA_/1CADMC/01000519-NODE, sy-vline,
  WA_/1CADMC/01000519-DATE_FROM, sy-vline,
  WA_/1CADMC/01000519-IUUC_OPERAT_FLAG, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_/1CADMC/01000519 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_/1CADMC/01000519 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_/1CADMC/01000519 INTO WA_/1CADMC/01000519.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/1CADMC/01000519-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/1CADMC/01000519-MATNR.
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_/1CADMC/01000519_STR, 
IUUC_SEQUENCE TYPE STRING,
IUUC_TIMESTAMP TYPE STRING,
IUUC_PROCESSED TYPE STRING,
MANDT TYPE STRING,
MATNR TYPE STRING,
HIER_ID TYPE STRING,
NODE TYPE STRING,
DATE_FROM TYPE STRING,
IUUC_OPERAT_FLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/1CADMC/01000519_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_/1CADMC/01000519_STR-IUUC_SEQUENCE sy-vline 
WA_/1CADMC/01000519_STR-IUUC_TIMESTAMP sy-vline 
WA_/1CADMC/01000519_STR-IUUC_PROCESSED sy-vline 
WA_/1CADMC/01000519_STR-MANDT sy-vline 
WA_/1CADMC/01000519_STR-MATNR sy-vline 
WA_/1CADMC/01000519_STR-HIER_ID sy-vline 
WA_/1CADMC/01000519_STR-NODE sy-vline 
WA_/1CADMC/01000519_STR-DATE_FROM sy-vline 
WA_/1CADMC/01000519_STR-IUUC_OPERAT_FLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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