ABAP Select data from SAP table /SAPAPO/SMOY_SL_CUVAL into internal table

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

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/SMOY_SL_CUVAL
  INTO TABLE IT_/SAPAPO/SMOY_SL_CUVAL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/SMOY_SL_CUVAL
*  INTO TABLE @DATA(IT_/SAPAPO/SMOY_SL_CUVAL2).
*--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_/SAPAPO/SMOY_SL_CUVAL INDEX 1 INTO DATA(WA_/SAPAPO/SMOY_SL_CUVAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/SMOY_SL_CUVAL>-HDRROWUUID = 1.
</SAPAPO/SMOY_SL_CUVAL>-ROWUUID = 1.
</SAPAPO/SMOY_SL_CUVAL>-ORDUUID = 1.
</SAPAPO/SMOY_SL_CUVAL>-SCHEDUUID = 1.
</SAPAPO/SMOY_SL_CUVAL>-LOCUUID = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/SMOY_SL_CUVAL INTO WA_/SAPAPO/SMOY_SL_CUVAL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/SMOY_SL_CUVAL-MATUUID, sy-vline,
  WA_/SAPAPO/SMOY_SL_CUVAL-ORDID, sy-vline,
  WA_/SAPAPO/SMOY_SL_CUVAL-SCHEDID, sy-vline,
  WA_/SAPAPO/SMOY_SL_CUVAL-METHOD, sy-vline,
  WA_/SAPAPO/SMOY_SL_CUVAL-DOC, sy-vline,
  WA_/SAPAPO/SMOY_SL_CUVAL-ITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/SMOY_SL_CUVAL 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_/SAPAPO/SMOY_SL_CUVAL 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_/SAPAPO/SMOY_SL_CUVAL INTO WA_/SAPAPO/SMOY_SL_CUVAL.


*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_/SAPAPO/SMOY_SL_CUVAL_STR, 
HDRROWUUID TYPE STRING,
ROWUUID TYPE STRING,
ORDUUID TYPE STRING,
SCHEDUUID TYPE STRING,
LOCUUID TYPE STRING,
MATUUID TYPE STRING,
ORDID TYPE STRING,
SCHEDID TYPE STRING,
METHOD TYPE STRING,
DOC TYPE STRING,
ITEM TYPE STRING,
SCHED TYPE STRING,
CONFIG_ID TYPE STRING,
INST_ID TYPE STRING,
CHARC TYPE STRING,
CHARC_TXT TYPE STRING,
VALUE TYPE STRING,
VALUE_TXT TYPE STRING,
AUTHOR TYPE STRING,
VALUE_TO TYPE STRING,
VALCODE TYPE STRING,
VALUE_LONG TYPE STRING,
VALUE_TO_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/SMOY_SL_CUVAL_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_/SAPAPO/SMOY_SL_CUVAL_STR-HDRROWUUID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-ROWUUID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-ORDUUID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-SCHEDUUID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-LOCUUID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-MATUUID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-ORDID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-SCHEDID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-METHOD sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-DOC sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-ITEM sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-SCHED sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-CONFIG_ID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-INST_ID sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-CHARC sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-CHARC_TXT sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-VALUE sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-VALUE_TXT sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-AUTHOR sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-VALUE_TO sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-VALCODE sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-VALUE_LONG sy-vline 
WA_/SAPAPO/SMOY_SL_CUVAL_STR-VALUE_TO_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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