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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CDPS_FSEL_OPERATION
*  INTO TABLE @DATA(IT_/SAPAPO/CDPS_FSEL_OPERATION2).
*--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/CDPS_FSEL_OPERATION INDEX 1 INTO DATA(WA_/SAPAPO/CDPS_FSEL_OPERATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CDPS_FSEL_OPERATION>-ORDERNR = 1.
</SAPAPO/CDPS_FSEL_OPERATION>-OPRNR = 1.
</SAPAPO/CDPS_FSEL_OPERATION>-SUBOPRNR = 1.
</SAPAPO/CDPS_FSEL_OPERATION>-MATNR = 1.
</SAPAPO/CDPS_FSEL_OPERATION>-SEQNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CDPS_FSEL_OPERATION-OPRQUAN, sy-vline,
  WA_/SAPAPO/CDPS_FSEL_OPERATION-OPRQUANU, sy-vline,
  WA_/SAPAPO/CDPS_FSEL_OPERATION-BASQT, sy-vline,
  WA_/SAPAPO/CDPS_FSEL_OPERATION-YIELDCONF, sy-vline,
  WA_/SAPAPO/CDPS_FSEL_OPERATION-SCRAPCONF, sy-vline,
  WA_/SAPAPO/CDPS_FSEL_OPERATION-SCRAPFAK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CDPS_FSEL_OPERATION 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/CDPS_FSEL_OPERATION 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/CDPS_FSEL_OPERATION INTO WA_/SAPAPO/CDPS_FSEL_OPERATION.


*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_/SAPAPO/CDPS_FSEL_OPERATION-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CDPS_FSEL_OPERATION-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field OPRQUANU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CDPS_FSEL_OPERATION-OPRQUANU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CDPS_FSEL_OPERATION-OPRQUANU.
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_/SAPAPO/CDPS_FSEL_OPERATION_STR, 
ORDERNR TYPE STRING,
OPRNR TYPE STRING,
SUBOPRNR TYPE STRING,
MATNR TYPE STRING,
SEQNR TYPE STRING,
OPRQUAN TYPE STRING,
OPRQUANU TYPE STRING,
BASQT TYPE STRING,
YIELDCONF TYPE STRING,
SCRAPCONF TYPE STRING,
SCRAPFAK TYPE STRING,
UNPLANNED TYPE STRING,
RELEASED TYPE STRING,
DATE_FIXED TYPE STRING,
STARTED TYPE STRING,
PART_CONFIRMED TYPE STRING,
FINAL_CONFIRMED TYPE STRING,
INTERRUPTED TYPE STRING,
LAST_STEXT TYPE STRING,
OPR_START_DATE TYPE STRING,
OPR_START_TIME TYPE STRING,
OPR_END_DATE TYPE STRING,
OPR_END_TIME TYPE STRING,
SETUP_GROUP TYPE STRING,
SETUP_ITEM TYPE STRING,
SETUP_DEACTIVE TYPE STRING,
OPRTYPE TYPE STRING,
SEQ_DEP_SETUP TYPE STRING,
SSEXT TYPE STRING,
VS_LOCNO TYPE STRING,
VS_SHIPMENT_ID TYPE STRING,
VS_EMPTY_RUN TYPE STRING,
IGNORE_BCK_LIMITS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CDPS_FSEL_OPERATION_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/CDPS_FSEL_OPERATION_STR-ORDERNR sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-OPRNR sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-SUBOPRNR sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-MATNR sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-SEQNR sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-OPRQUAN sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-OPRQUANU sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-BASQT sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-YIELDCONF sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-SCRAPCONF sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-SCRAPFAK sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-UNPLANNED sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-RELEASED sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-DATE_FIXED sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-STARTED sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-PART_CONFIRMED sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-FINAL_CONFIRMED sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-INTERRUPTED sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-LAST_STEXT sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-OPR_START_DATE sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-OPR_START_TIME sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-OPR_END_DATE sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-OPR_END_TIME sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-SETUP_GROUP sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-SETUP_ITEM sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-SETUP_DEACTIVE sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-OPRTYPE sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-SEQ_DEP_SETUP sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-SSEXT sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-VS_LOCNO sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-VS_SHIPMENT_ID sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-VS_EMPTY_RUN sy-vline 
WA_/SAPAPO/CDPS_FSEL_OPERATION_STR-IGNORE_BCK_LIMITS sy-vline      INTO ld_text SEPARATED BY SPACE.

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