ABAP Select data from SAP table MILL_UA_BATCH_DET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MILL_UA_BATCH_DET
*  INTO TABLE @DATA(IT_MILL_UA_BATCH_DET2).
*--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_MILL_UA_BATCH_DET INDEX 1 INTO DATA(WA_MILL_UA_BATCH_DET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MILL_UA_BATCH_DET>-ROOTVALUE = 1.
<MILL_UA_BATCH_DET>-AUFNR = 1.
<MILL_UA_BATCH_DET>-POSNR = 1.
<MILL_UA_BATCH_DET>-MATNR = 1.
<MILL_UA_BATCH_DET>-PSMNG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MILL_UA_BATCH_DET-AMEIN, sy-vline,
  WA_MILL_UA_BATCH_DET-AUART, sy-vline,
  WA_MILL_UA_BATCH_DET-WERKS, sy-vline,
  WA_MILL_UA_BATCH_DET-ATRKZ, sy-vline,
  WA_MILL_UA_BATCH_DET-CUOBJ, sy-vline,
  WA_MILL_UA_BATCH_DET-MWERT1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MILL_UA_BATCH_DET 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_MILL_UA_BATCH_DET 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_MILL_UA_BATCH_DET INTO WA_MILL_UA_BATCH_DET.


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

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

*Conversion exit CUNIT, internal->external for field AMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MILL_UA_BATCH_DET-AMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MILL_UA_BATCH_DET-AMEIN.
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_MILL_UA_BATCH_DET_STR, 
ROOTVALUE TYPE STRING,
AUFNR TYPE STRING,
POSNR TYPE STRING,
MATNR TYPE STRING,
PSMNG TYPE STRING,
AMEIN TYPE STRING,
AUART TYPE STRING,
WERKS TYPE STRING,
ATRKZ TYPE STRING,
CUOBJ TYPE STRING,
MWERT1 TYPE STRING,
MWERT2 TYPE STRING,
MWERT3 TYPE STRING,
MWERT4 TYPE STRING,
MWERT5 TYPE STRING,
MWERT6 TYPE STRING,
MWERT7 TYPE STRING,
MWERT8 TYPE STRING,
MWERT9 TYPE STRING,
MWERT10 TYPE STRING,
NODEKEY TYPE STRING,
CHARG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MILL_UA_BATCH_DET_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_MILL_UA_BATCH_DET_STR-ROOTVALUE sy-vline 
WA_MILL_UA_BATCH_DET_STR-AUFNR sy-vline 
WA_MILL_UA_BATCH_DET_STR-POSNR sy-vline 
WA_MILL_UA_BATCH_DET_STR-MATNR sy-vline 
WA_MILL_UA_BATCH_DET_STR-PSMNG sy-vline 
WA_MILL_UA_BATCH_DET_STR-AMEIN sy-vline 
WA_MILL_UA_BATCH_DET_STR-AUART sy-vline 
WA_MILL_UA_BATCH_DET_STR-WERKS sy-vline 
WA_MILL_UA_BATCH_DET_STR-ATRKZ sy-vline 
WA_MILL_UA_BATCH_DET_STR-CUOBJ sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT1 sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT2 sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT3 sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT4 sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT5 sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT6 sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT7 sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT8 sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT9 sy-vline 
WA_MILL_UA_BATCH_DET_STR-MWERT10 sy-vline 
WA_MILL_UA_BATCH_DET_STR-NODEKEY sy-vline 
WA_MILL_UA_BATCH_DET_STR-CHARG sy-vline      INTO ld_text SEPARATED BY SPACE.

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