ABAP Select data from SAP table /SAPMP/BAPI1012_LC_OPR_C into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPMP/BAPI1012_LC_OPR_C 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 /SAPMP/BAPI1012_LC_OPR_C. 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 /SAPMP/BAPI1012_LC_OPR_C 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_/SAPMP/BAPI1012_LC_OPR_C TYPE STANDARD TABLE OF /SAPMP/BAPI1012_LC_OPR_C,
      WA_/SAPMP/BAPI1012_LC_OPR_C TYPE /SAPMP/BAPI1012_LC_OPR_C,
      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: </SAPMP/BAPI1012_LC_OPR_C> TYPE /SAPMP/BAPI1012_LC_OPR_C.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPMP/BAPI1012_LC_OPR_C.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPMP/BAPI1012_LC_OPR_C
  INTO TABLE IT_/SAPMP/BAPI1012_LC_OPR_C.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPMP/BAPI1012_LC_OPR_C
*  INTO TABLE @DATA(IT_/SAPMP/BAPI1012_LC_OPR_C2).
*--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_/SAPMP/BAPI1012_LC_OPR_C INDEX 1 INTO DATA(WA_/SAPMP/BAPI1012_LC_OPR_C2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPMP/BAPI1012_LC_OPR_C ASSIGNING </SAPMP/BAPI1012_LC_OPR_C>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPMP/BAPI1012_LC_OPR_C>-TASK_LIST_GROUP = 1.
</SAPMP/BAPI1012_LC_OPR_C>-GROUP_COUNTER = 1.
</SAPMP/BAPI1012_LC_OPR_C>-SEQUENCE_NO = 1.
</SAPMP/BAPI1012_LC_OPR_C>-ACTIVITY = 1.
</SAPMP/BAPI1012_LC_OPR_C>-SUB_ACTIVITY = 1.

ENDLOOP.

LOOP AT IT_/SAPMP/BAPI1012_LC_OPR_C INTO WA_/SAPMP/BAPI1012_LC_OPR_C.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPMP/BAPI1012_LC_OPR_C-OPERATION_ID, sy-vline,
  WA_/SAPMP/BAPI1012_LC_OPR_C-METHODLENGTHCALCULATION, sy-vline,
  WA_/SAPMP/BAPI1012_LC_OPR_C-MAXPRODUCTIONLENGTH, sy-vline,
  WA_/SAPMP/BAPI1012_LC_OPR_C-FIXSCRAPEVERY, sy-vline,
  WA_/SAPMP/BAPI1012_LC_OPR_C-FIXSCRAPFIRST, sy-vline,
  WA_/SAPMP/BAPI1012_LC_OPR_C-FIXSCRAPLAST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPMP/BAPI1012_LC_OPR_C 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_/SAPMP/BAPI1012_LC_OPR_C 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_/SAPMP/BAPI1012_LC_OPR_C INTO WA_/SAPMP/BAPI1012_LC_OPR_C.


*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 TASK_LIST_GROUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPMP/BAPI1012_LC_OPR_C-TASK_LIST_GROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPMP/BAPI1012_LC_OPR_C-TASK_LIST_GROUP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GROUP_COUNTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPMP/BAPI1012_LC_OPR_C-GROUP_COUNTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPMP/BAPI1012_LC_OPR_C-GROUP_COUNTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEQUENCE_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPMP/BAPI1012_LC_OPR_C-SEQUENCE_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPMP/BAPI1012_LC_OPR_C-SEQUENCE_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field ACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPMP/BAPI1012_LC_OPR_C-ACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPMP/BAPI1012_LC_OPR_C-ACTIVITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field SUB_ACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPMP/BAPI1012_LC_OPR_C-SUB_ACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPMP/BAPI1012_LC_OPR_C-SUB_ACTIVITY.
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_/SAPMP/BAPI1012_LC_OPR_C_STR, 
TASK_LIST_GROUP TYPE STRING,
GROUP_COUNTER TYPE STRING,
SEQUENCE_NO TYPE STRING,
ACTIVITY TYPE STRING,
SUB_ACTIVITY TYPE STRING,
OPERATION_ID TYPE STRING,
METHODLENGTHCALCULATION TYPE STRING,
MAXPRODUCTIONLENGTH TYPE STRING,
FIXSCRAPEVERY TYPE STRING,
FIXSCRAPFIRST TYPE STRING,
FIXSCRAPLAST TYPE STRING,
NORUNINLENGTHS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPMP/BAPI1012_LC_OPR_C_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_/SAPMP/BAPI1012_LC_OPR_C_STR-TASK_LIST_GROUP sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-GROUP_COUNTER sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-SEQUENCE_NO sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-ACTIVITY sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-SUB_ACTIVITY sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-OPERATION_ID sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-METHODLENGTHCALCULATION sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-MAXPRODUCTIONLENGTH sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-FIXSCRAPEVERY sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-FIXSCRAPFIRST sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-FIXSCRAPLAST sy-vline 
WA_/SAPMP/BAPI1012_LC_OPR_C_STR-NORUNINLENGTHS sy-vline      INTO ld_text SEPARATED BY SPACE.

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