ABAP Select data from SAP table MMPUR_OUTLINE_MEOUT_TCHX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_OUTLINE_MEOUT_TCHX
*  INTO TABLE @DATA(IT_MMPUR_OUTLINE_MEOUT_TCHX2).
*--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_MMPUR_OUTLINE_MEOUT_TCHX INDEX 1 INTO DATA(WA_MMPUR_OUTLINE_MEOUT_TCHX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_OUTLINE_MEOUT_TCHX>-SAPCLIENT = 1.
<MMPUR_OUTLINE_MEOUT_TCHX>-QUOTAARRANGEMENT = 1.
<MMPUR_OUTLINE_MEOUT_TCHX>-QUOTAARRANGEMENTITEM = 1.
<MMPUR_OUTLINE_MEOUT_TCHX>-NOOFREMINDERSOFSCHEDULELINE = 1.
<MMPUR_OUTLINE_MEOUT_TCHX>-PREVDELIVQTYOFSCHEDULELINE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_OUTLINE_MEOUT_TCHX-ROUGHGOODSRECEIPTQTY, sy-vline,
  WA_MMPUR_OUTLINE_MEOUT_TCHX-SCHEDULELINEISSUEDQUANTITY, sy-vline,
  WA_MMPUR_OUTLINE_MEOUT_TCHX-STOCKTRANSFERDELIVEREDQUANTITY, sy-vline,
  WA_MMPUR_OUTLINE_MEOUT_TCHX-MRPRELEVANTQUANTITY, sy-vline,
  WA_MMPUR_OUTLINE_MEOUT_TCHX-BATCH, sy-vline,
  WA_MMPUR_OUTLINE_MEOUT_TCHX-BATCHBYSUPPLIER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_OUTLINE_MEOUT_TCHX 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_MMPUR_OUTLINE_MEOUT_TCHX 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_MMPUR_OUTLINE_MEOUT_TCHX INTO WA_MMPUR_OUTLINE_MEOUT_TCHX.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_MMPUR_OUTLINE_MEOUT_TCHX_STR, 
SAPCLIENT TYPE STRING,
QUOTAARRANGEMENT TYPE STRING,
QUOTAARRANGEMENTITEM TYPE STRING,
NOOFREMINDERSOFSCHEDULELINE TYPE STRING,
PREVDELIVQTYOFSCHEDULELINE TYPE STRING,
ROUGHGOODSRECEIPTQTY TYPE STRING,
SCHEDULELINEISSUEDQUANTITY TYPE STRING,
STOCKTRANSFERDELIVEREDQUANTITY TYPE STRING,
MRPRELEVANTQUANTITY TYPE STRING,
BATCH TYPE STRING,
BATCHBYSUPPLIER TYPE STRING,
PRODUCTIONVERSION TYPE STRING,
BOMEXPLOSION TYPE STRING,
SOURCEOFCREATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_OUTLINE_MEOUT_TCHX_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_MMPUR_OUTLINE_MEOUT_TCHX_STR-SAPCLIENT sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-QUOTAARRANGEMENT sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-QUOTAARRANGEMENTITEM sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-NOOFREMINDERSOFSCHEDULELINE sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-PREVDELIVQTYOFSCHEDULELINE sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-ROUGHGOODSRECEIPTQTY sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-SCHEDULELINEISSUEDQUANTITY sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-STOCKTRANSFERDELIVEREDQUANTITY sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-MRPRELEVANTQUANTITY sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-BATCH sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-BATCHBYSUPPLIER sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-PRODUCTIONVERSION sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-BOMEXPLOSION sy-vline 
WA_MMPUR_OUTLINE_MEOUT_TCHX_STR-SOURCEOFCREATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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