ABAP Select data from SAP table /PMG/GE_FCS_MP_REALOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PMG/GE_FCS_MP_REALOC
*  INTO TABLE @DATA(IT_/PMG/GE_FCS_MP_REALOC2).
*--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_/PMG/GE_FCS_MP_REALOC INDEX 1 INTO DATA(WA_/PMG/GE_FCS_MP_REALOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PMG/GE_FCS_MP_REALOC>-WA_REALOC = 1.
</PMG/GE_FCS_MP_REALOC>-COMMENT_ID = 1.
</PMG/GE_FCS_MP_REALOC>-COMPLETE_DT = 1.
</PMG/GE_FCS_MP_REALOC>-CREATOR_TT = 1.
</PMG/GE_FCS_MP_REALOC>-DCURRENCY_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PMG/GE_FCS_MP_REALOC-DCURRENCY_TT, sy-vline,
  WA_/PMG/GE_FCS_MP_REALOC-DELETE_FG, sy-vline,
  WA_/PMG/GE_FCS_MP_REALOC-EXEC_DT, sy-vline,
  WA_/PMG/GE_FCS_MP_REALOC-FCURRENCY_ID, sy-vline,
  WA_/PMG/GE_FCS_MP_REALOC-FCURRENCY_TT, sy-vline,
  WA_/PMG/GE_FCS_MP_REALOC-FNDPRCDSOURCE_VL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PMG/GE_FCS_MP_REALOC 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_/PMG/GE_FCS_MP_REALOC 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_/PMG/GE_FCS_MP_REALOC INTO WA_/PMG/GE_FCS_MP_REALOC.


*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 FUNDAPPL_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PMG/GE_FCS_MP_REALOC-FUNDAPPL_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PMG/GE_FCS_MP_REALOC-FUNDAPPL_ID.
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_/PMG/GE_FCS_MP_REALOC_STR, 
WA_REALOC TYPE STRING,
COMMENT_ID TYPE STRING,
COMPLETE_DT TYPE STRING,
CREATOR_TT TYPE STRING,
DCURRENCY_ID TYPE STRING,
DCURRENCY_TT TYPE STRING,
DELETE_FG TYPE STRING,
EXEC_DT TYPE STRING,
FCURRENCY_ID TYPE STRING,
FCURRENCY_TT TYPE STRING,
FNDPRCDSOURCE_VL TYPE STRING,
FNDPRCDTARGET_VL TYPE STRING,
FNDPRCFSOURCE_VL TYPE STRING,
FNDPRCFTARGET_VL TYPE STRING,
FUNDAPPL_ID TYPE STRING,
FUND_TT TYPE STRING,
INTNAME_TT TYPE STRING,
INTVALIDAT_DT TYPE STRING,
MAXSHAREFUND_VL TYPE STRING,
MESSAGE_FG TYPE STRING,
MINSHAREFUND_VL TYPE STRING,
PALETTE_TT TYPE STRING,
PM_ID TYPE STRING,
REALLOCATION_DT TYPE STRING,
SOURCE_VL TYPE STRING,
TARGETFUND_ID TYPE STRING,
TARGETPALETTE_ID TYPE STRING,
TARGET_VL TYPE STRING,
CUSTOMER_TC_CI TYPE STRING,
BO_ID TYPE STRING,
POLICY_ID TYPE STRING,
PPDPAC_ID TYPE STRING,
POLICYPRODUCT_ID TYPE STRING,
COVPAC_ID TYPE STRING,
COVERAGE_ID TYPE STRING,
COVCP_ID TYPE STRING,
FUNDALL_ID TYPE STRING,
FUND_ID TYPE STRING,
REALOC_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PMG/GE_FCS_MP_REALOC_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_/PMG/GE_FCS_MP_REALOC_STR-WA_REALOC sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-COMMENT_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-COMPLETE_DT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-CREATOR_TT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-DCURRENCY_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-DCURRENCY_TT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-DELETE_FG sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-EXEC_DT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FCURRENCY_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FCURRENCY_TT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FNDPRCDSOURCE_VL sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FNDPRCDTARGET_VL sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FNDPRCFSOURCE_VL sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FNDPRCFTARGET_VL sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FUNDAPPL_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FUND_TT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-INTNAME_TT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-INTVALIDAT_DT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-MAXSHAREFUND_VL sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-MESSAGE_FG sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-MINSHAREFUND_VL sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-PALETTE_TT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-PM_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-REALLOCATION_DT sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-SOURCE_VL sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-TARGETFUND_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-TARGETPALETTE_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-TARGET_VL sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-CUSTOMER_TC_CI sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-BO_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-POLICY_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-PPDPAC_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-POLICYPRODUCT_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-COVPAC_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-COVERAGE_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-COVCP_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FUNDALL_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-FUND_ID sy-vline 
WA_/PMG/GE_FCS_MP_REALOC_STR-REALOC_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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