ABAP Select data from SAP table LSOCRPCNTXTSTAGE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LSOCRPCNTXTSTAGE
*  INTO TABLE @DATA(IT_LSOCRPCNTXTSTAGE2).
*--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_LSOCRPCNTXTSTAGE INDEX 1 INTO DATA(WA_LSOCRPCNTXTSTAGE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LSOCRPCNTXTSTAGE>-MANDT = 1.
<LSOCRPCNTXTSTAGE>-TASK_ID = 1.
<LSOCRPCNTXTSTAGE>-ACTIVITY = 1.
<LSOCRPCNTXTSTAGE>-ACTIVITY_ID = 1.
<LSOCRPCNTXTSTAGE>-STATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LSOCRPCNTXTSTAGE-STATUSMSG_TYP, sy-vline,
  WA_LSOCRPCNTXTSTAGE-STATUSMSG_ID, sy-vline,
  WA_LSOCRPCNTXTSTAGE-STATUSMSG_NO, sy-vline,
  WA_LSOCRPCNTXTSTAGE-NOTIFGRP, sy-vline,
  WA_LSOCRPCNTXTSTAGE-PLVARUS, sy-vline,
  WA_LSOCRPCNTXTSTAGE-OTYPEUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LSOCRPCNTXTSTAGE 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_LSOCRPCNTXTSTAGE 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_LSOCRPCNTXTSTAGE INTO WA_LSOCRPCNTXTSTAGE.


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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_LSOCRPCNTXTSTAGE-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LSOCRPCNTXTSTAGE-LANGU.
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_LSOCRPCNTXTSTAGE_STR, 
MANDT TYPE STRING,
TASK_ID TYPE STRING,
ACTIVITY TYPE STRING,
ACTIVITY_ID TYPE STRING,
STATUS TYPE STRING,
STATUSMSG_TYP TYPE STRING,
STATUSMSG_ID TYPE STRING,
STATUSMSG_NO TYPE STRING,
NOTIFGRP TYPE STRING,
PLVARUS TYPE STRING,
OTYPEUS TYPE STRING,
SOBIDUS TYPE STRING,
PLVARPUS TYPE STRING,
OTYPEPUS TYPE STRING,
SOBIDPUS TYPE STRING,
PLVARTR TYPE STRING,
OTYPETR TYPE STRING,
OBJIDTR TYPE STRING,
PLVARPTR TYPE STRING,
OTYPEPTR TYPE STRING,
OBJIDPTR TYPE STRING,
SETDATE TYPE STRING,
TPARTDOCNO TYPE STRING,
PREV_TPARTDOCNO TYPE STRING,
TEMPLATE TYPE STRING,
AUTOMATIC TYPE STRING,
LANGU TYPE STRING,
MEDIUM TYPE STRING,
RECIPIENT_ROLE TYPE STRING,
PLVARREC TYPE STRING,
OTYPEREC TYPE STRING,
SOBIDREC TYPE STRING,
RECIPIENT_FAX TYPE STRING,
RECIPIENT_MOBILE TYPE STRING,
RECIPIENT_IMAIL TYPE STRING,
RECIPIENT_RMAIL TYPE STRING,
RECIPIENT_ADDR TYPE STRING,
TIMESTAMP TYPE STRING,
UNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LSOCRPCNTXTSTAGE_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_LSOCRPCNTXTSTAGE_STR-MANDT sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-TASK_ID sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-ACTIVITY sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-ACTIVITY_ID sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-STATUS sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-STATUSMSG_TYP sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-STATUSMSG_ID sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-STATUSMSG_NO sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-NOTIFGRP sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-PLVARUS sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-OTYPEUS sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-SOBIDUS sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-PLVARPUS sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-OTYPEPUS sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-SOBIDPUS sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-PLVARTR sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-OTYPETR sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-OBJIDTR sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-PLVARPTR sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-OTYPEPTR sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-OBJIDPTR sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-SETDATE sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-TPARTDOCNO sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-PREV_TPARTDOCNO sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-TEMPLATE sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-AUTOMATIC sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-LANGU sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-MEDIUM sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-RECIPIENT_ROLE sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-PLVARREC sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-OTYPEREC sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-SOBIDREC sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-RECIPIENT_FAX sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-RECIPIENT_MOBILE sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-RECIPIENT_IMAIL sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-RECIPIENT_RMAIL sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-RECIPIENT_ADDR sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-TIMESTAMP sy-vline 
WA_LSOCRPCNTXTSTAGE_STR-UNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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