ABAP Select data from SAP table RMPSS_TRF_PRX_CASE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMPSS_TRF_PRX_CASE
*  INTO TABLE @DATA(IT_RMPSS_TRF_PRX_CASE2).
*--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_RMPSS_TRF_PRX_CASE INDEX 1 INTO DATA(WA_RMPSS_TRF_PRX_CASE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMPSS_TRF_PRX_CASE>-CONTEXT = 1.
<RMPSS_TRF_PRX_CASE>-POID_STRING = 1.
<RMPSS_TRF_PRX_CASE>-RMS_ID = 1.
<RMPSS_TRF_PRX_CASE>-SPS_ID = 1.
<RMPSS_TRF_PRX_CASE>-EXT_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMPSS_TRF_PRX_CASE-ATTRIBUTE, sy-vline,
  WA_RMPSS_TRF_PRX_CASE-CASE_GUID, sy-vline,
  WA_RMPSS_TRF_PRX_CASE-CASE_TYPE, sy-vline,
  WA_RMPSS_TRF_PRX_CASE-CHANGE_TIME, sy-vline,
  WA_RMPSS_TRF_PRX_CASE-CHANGED_BY, sy-vline,
  WA_RMPSS_TRF_PRX_CASE-CLOSED_BY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMPSS_TRF_PRX_CASE 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_RMPSS_TRF_PRX_CASE 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_RMPSS_TRF_PRX_CASE INTO WA_RMPSS_TRF_PRX_CASE.


*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_RMPSS_TRF_PRX_CASE_STR, 
CONTEXT TYPE STRING,
POID_STRING TYPE STRING,
RMS_ID TYPE STRING,
SPS_ID TYPE STRING,
EXT_ID TYPE STRING,
ATTRIBUTE TYPE STRING,
CASE_GUID TYPE STRING,
CASE_TYPE TYPE STRING,
CHANGE_TIME TYPE STRING,
CHANGED_BY TYPE STRING,
CLOSED_BY TYPE STRING,
CLOSING_TIME TYPE STRING,
CREATE_TIME TYPE STRING,
CREATED_BY TYPE STRING,
PS_ACTIVE_TEND TYPE STRING,
PS_ACTIVE_TSTART TYPE STRING,
PS_REFERENCE TYPE STRING,
PS_WHERE_TYPE TYPE STRING,
PS_WHEREABOUTS TYPE STRING,
RMPS_CUT_CONFRM TYPE STRING,
RMPSP_ACL_DL TYPE STRING,
RMPSP_ACL_US TYPE STRING,
RMPSP_ACL_VIRT_DL TYPE STRING,
RMPSP_ACL_VIRT_US TYPE STRING,
RMPSP_AGGREGAT TYPE STRING,
RMPSP_DESCRIPT TYPE STRING,
RMPSP_DESCRIPTOR TYPE STRING,
RMPSP_DP_CUTDATE TYPE STRING,
RMPSP_DP_DUEDATE TYPE STRING,
RMPSP_DP_HOLD TYPE STRING,
RMPSP_DP_HOLDCOM TYPE STRING,
RMPSP_DP_ID TYPE STRING,
RMPSP_FPLID TYPE STRING,
RMPSP_OVERRIDDEN TYPE STRING,
RMPSP_PARENT_FPLID TYPE STRING,
RMPSP_PARENT_OBJ TYPE STRING,
RMPSP_TITLE TYPE STRING,
RMPSPU_DP_AUTH TYPE STRING,
RMPSU_VITAL_DAT TYPE STRING,
RMPSU_VITAL_IND TYPE STRING,
RMPSU_VITAL_PER TYPE STRING,
SECURE_LEVEL TYPE STRING,
SRM_PD_LOCATION TYPE STRING,
STAT_LINE TYPE STRING,
STAT_ORDERNO TYPE STRING,
STAT_PARA TYPE STRING,
STAT_USER_LINE TYPE STRING,
LAST_DISPOSAL_ACTION TYPE STRING,
LAST_DISPOSAL_TIME TYPE STRING,
NEXT_DISPOSAL_ACTION TYPE STRING,
NEXT_DISPOSAL_DATE TYPE STRING,
CONTENT TYPE STRING,
HIERARCHY TYPE STRING,
EXT_ID_PARENT TYPE STRING,
EXT_ID_CHILDREN TYPE STRING,
RELATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMPSS_TRF_PRX_CASE_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_RMPSS_TRF_PRX_CASE_STR-CONTEXT sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-POID_STRING sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMS_ID sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-SPS_ID sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-EXT_ID sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-ATTRIBUTE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-CASE_GUID sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-CASE_TYPE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-CHANGE_TIME sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-CHANGED_BY sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-CLOSED_BY sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-CLOSING_TIME sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-CREATE_TIME sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-CREATED_BY sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-PS_ACTIVE_TEND sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-PS_ACTIVE_TSTART sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-PS_REFERENCE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-PS_WHERE_TYPE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-PS_WHEREABOUTS sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPS_CUT_CONFRM sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_ACL_DL sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_ACL_US sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_ACL_VIRT_DL sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_ACL_VIRT_US sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_AGGREGAT sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_DESCRIPT sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_DESCRIPTOR sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_DP_CUTDATE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_DP_DUEDATE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_DP_HOLD sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_DP_HOLDCOM sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_DP_ID sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_FPLID sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_OVERRIDDEN sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_PARENT_FPLID sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_PARENT_OBJ sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSP_TITLE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSPU_DP_AUTH sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSU_VITAL_DAT sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSU_VITAL_IND sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RMPSU_VITAL_PER sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-SECURE_LEVEL sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-SRM_PD_LOCATION sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-STAT_LINE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-STAT_ORDERNO sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-STAT_PARA sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-STAT_USER_LINE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-LAST_DISPOSAL_ACTION sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-LAST_DISPOSAL_TIME sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-NEXT_DISPOSAL_ACTION sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-NEXT_DISPOSAL_DATE sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-CONTENT sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-HIERARCHY sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-EXT_ID_PARENT sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-EXT_ID_CHILDREN sy-vline 
WA_RMPSS_TRF_PRX_CASE_STR-RELATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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