ABAP Select data from SAP table LXYRDM_ACTIVITY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LXYRDM_ACTIVITY
*  INTO TABLE @DATA(IT_LXYRDM_ACTIVITY2).
*--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_LXYRDM_ACTIVITY INDEX 1 INTO DATA(WA_LXYRDM_ACTIVITY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LXYRDM_ACTIVITY>-LYARD = 1.
<LXYRDM_ACTIVITY>-ACTVY = 1.
<LXYRDM_ACTIVITY>-ACTTY = 1.
<LXYRDM_ACTIVITY>-ACTST = 1.
<LXYRDM_ACTIVITY>-EXIDV2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LXYRDM_ACTIVITY-SIGNI, sy-vline,
  WA_LXYRDM_ACTIVITY-FWAGN, sy-vline,
  WA_LXYRDM_ACTIVITY-OWNER, sy-vline,
  WA_LXYRDM_ACTIVITY-TRNPD, sy-vline,
  WA_LXYRDM_ACTIVITY-YLCCLFR, sy-vline,
  WA_LXYRDM_ACTIVITY-YLOCTFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LXYRDM_ACTIVITY 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_LXYRDM_ACTIVITY 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_LXYRDM_ACTIVITY INTO WA_LXYRDM_ACTIVITY.


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

*Conversion exit TSHME, internal->external for field PTMSF
CALL FUNCTION 'CONVERSION_EXIT_TSHME_OUTPUT'
  EXPORTING
    input =                      WA_LXYRDM_ACTIVITY-PTMSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LXYRDM_ACTIVITY-PTMSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSHME, internal->external for field PTMST
CALL FUNCTION 'CONVERSION_EXIT_TSHME_OUTPUT'
  EXPORTING
    input =                      WA_LXYRDM_ACTIVITY-PTMST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LXYRDM_ACTIVITY-PTMST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSHME, internal->external for field ATMSF
CALL FUNCTION 'CONVERSION_EXIT_TSHME_OUTPUT'
  EXPORTING
    input =                      WA_LXYRDM_ACTIVITY-ATMSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LXYRDM_ACTIVITY-ATMSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSHME, internal->external for field ATMST
CALL FUNCTION 'CONVERSION_EXIT_TSHME_OUTPUT'
  EXPORTING
    input =                      WA_LXYRDM_ACTIVITY-ATMST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LXYRDM_ACTIVITY-ATMST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WGUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LXYRDM_ACTIVITY-WGUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LXYRDM_ACTIVITY-WGUOM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSHME, internal->external for field TSTMPUPD
CALL FUNCTION 'CONVERSION_EXIT_TSHME_OUTPUT'
  EXPORTING
    input =                      WA_LXYRDM_ACTIVITY-TSTMPUPD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LXYRDM_ACTIVITY-TSTMPUPD.
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_LXYRDM_ACTIVITY_STR, 
LYARD TYPE STRING,
ACTVY TYPE STRING,
ACTTY TYPE STRING,
ACTST TYPE STRING,
EXIDV2 TYPE STRING,
SIGNI TYPE STRING,
FWAGN TYPE STRING,
OWNER TYPE STRING,
TRNPD TYPE STRING,
YLCCLFR TYPE STRING,
YLOCTFR TYPE STRING,
YLCCLTO TYPE STRING,
YLOCTTO TYPE STRING,
GLCGR TYPE STRING,
EXOBJ TYPE STRING,
RSNCD TYPE STRING,
PRRTY TYPE STRING,
PTMSF TYPE STRING,
PTMST TYPE STRING,
ATMSF TYPE STRING,
ATMST TYPE STRING,
WGUOM TYPE STRING,
WEGHT TYPE STRING,
TDVTN TYPE STRING,
AUCNF TYPE STRING,
SEALN1 TYPE STRING,
SEALN2 TYPE STRING,
SEALN3 TYPE STRING,
SEALN4 TYPE STRING,
SEALN5 TYPE STRING,
VENUM TYPE STRING,
LIGHTS TYPE STRING,
LTEXT TYPE STRING,
TSTMPUPD TYPE STRING,
UNAMEUPD TYPE STRING,
TCODEUPD TYPE STRING,
SAPRLUPD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LXYRDM_ACTIVITY_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_LXYRDM_ACTIVITY_STR-LYARD sy-vline 
WA_LXYRDM_ACTIVITY_STR-ACTVY sy-vline 
WA_LXYRDM_ACTIVITY_STR-ACTTY sy-vline 
WA_LXYRDM_ACTIVITY_STR-ACTST sy-vline 
WA_LXYRDM_ACTIVITY_STR-EXIDV2 sy-vline 
WA_LXYRDM_ACTIVITY_STR-SIGNI sy-vline 
WA_LXYRDM_ACTIVITY_STR-FWAGN sy-vline 
WA_LXYRDM_ACTIVITY_STR-OWNER sy-vline 
WA_LXYRDM_ACTIVITY_STR-TRNPD sy-vline 
WA_LXYRDM_ACTIVITY_STR-YLCCLFR sy-vline 
WA_LXYRDM_ACTIVITY_STR-YLOCTFR sy-vline 
WA_LXYRDM_ACTIVITY_STR-YLCCLTO sy-vline 
WA_LXYRDM_ACTIVITY_STR-YLOCTTO sy-vline 
WA_LXYRDM_ACTIVITY_STR-GLCGR sy-vline 
WA_LXYRDM_ACTIVITY_STR-EXOBJ sy-vline 
WA_LXYRDM_ACTIVITY_STR-RSNCD sy-vline 
WA_LXYRDM_ACTIVITY_STR-PRRTY sy-vline 
WA_LXYRDM_ACTIVITY_STR-PTMSF sy-vline 
WA_LXYRDM_ACTIVITY_STR-PTMST sy-vline 
WA_LXYRDM_ACTIVITY_STR-ATMSF sy-vline 
WA_LXYRDM_ACTIVITY_STR-ATMST sy-vline 
WA_LXYRDM_ACTIVITY_STR-WGUOM sy-vline 
WA_LXYRDM_ACTIVITY_STR-WEGHT sy-vline 
WA_LXYRDM_ACTIVITY_STR-TDVTN sy-vline 
WA_LXYRDM_ACTIVITY_STR-AUCNF sy-vline 
WA_LXYRDM_ACTIVITY_STR-SEALN1 sy-vline 
WA_LXYRDM_ACTIVITY_STR-SEALN2 sy-vline 
WA_LXYRDM_ACTIVITY_STR-SEALN3 sy-vline 
WA_LXYRDM_ACTIVITY_STR-SEALN4 sy-vline 
WA_LXYRDM_ACTIVITY_STR-SEALN5 sy-vline 
WA_LXYRDM_ACTIVITY_STR-VENUM sy-vline 
WA_LXYRDM_ACTIVITY_STR-LIGHTS sy-vline 
WA_LXYRDM_ACTIVITY_STR-LTEXT sy-vline 
WA_LXYRDM_ACTIVITY_STR-TSTMPUPD sy-vline 
WA_LXYRDM_ACTIVITY_STR-UNAMEUPD sy-vline 
WA_LXYRDM_ACTIVITY_STR-TCODEUPD sy-vline 
WA_LXYRDM_ACTIVITY_STR-SAPRLUPD sy-vline      INTO ld_text SEPARATED BY SPACE.

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