ABAP Select data from SAP table REYC_OBJREL_PGBE_L into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REYC_OBJREL_PGBE_L
*  INTO TABLE @DATA(IT_REYC_OBJREL_PGBE_L2).
*--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_REYC_OBJREL_PGBE_L INDEX 1 INTO DATA(WA_REYC_OBJREL_PGBE_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REYC_OBJREL_PGBE_L>-MANDT01 = 1.
<REYC_OBJREL_PGBE_L>-INTRENO01 = 1.
<REYC_OBJREL_PGBE_L>-BUKRS01 = 1.
<REYC_OBJREL_PGBE_L>-SWENR01 = 1.
<REYC_OBJREL_PGBE_L>-PGID01 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REYC_OBJREL_PGBE_L-XPG01, sy-vline,
  WA_REYC_OBJREL_PGBE_L-VALIDFROM01, sy-vline,
  WA_REYC_OBJREL_PGBE_L-VALIDTO01, sy-vline,
  WA_REYC_OBJREL_PGBE_L-OBJNR01, sy-vline,
  WA_REYC_OBJREL_PGBE_L-RESPONSIBLE01, sy-vline,
  WA_REYC_OBJREL_PGBE_L-USEREXCLUSIVE01, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REYC_OBJREL_PGBE_L 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_REYC_OBJREL_PGBE_L 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_REYC_OBJREL_PGBE_L INTO WA_REYC_OBJREL_PGBE_L.


*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 SWENR, internal->external for field SWENR01
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_REYC_OBJREL_PGBE_L-SWENR01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYC_OBJREL_PGBE_L-SWENR01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PGID01
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REYC_OBJREL_PGBE_L-PGID01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYC_OBJREL_PGBE_L-PGID01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REDAT, internal->external for field VALIDTO01
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REYC_OBJREL_PGBE_L-VALIDTO01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYC_OBJREL_PGBE_L-VALIDTO01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field SWENR02
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_REYC_OBJREL_PGBE_L-SWENR02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYC_OBJREL_PGBE_L-SWENR02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field SGENR02
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_REYC_OBJREL_PGBE_L-SGENR02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYC_OBJREL_PGBE_L-SGENR02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGRNR, internal->external for field SGRNR02
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_REYC_OBJREL_PGBE_L-SGRNR02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYC_OBJREL_PGBE_L-SGRNR02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PGID02
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REYC_OBJREL_PGBE_L-PGID02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYC_OBJREL_PGBE_L-PGID02.
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_REYC_OBJREL_PGBE_L_STR, 
MANDT01 TYPE STRING,
INTRENO01 TYPE STRING,
BUKRS01 TYPE STRING,
SWENR01 TYPE STRING,
PGID01 TYPE STRING,
XPG01 TYPE STRING,
VALIDFROM01 TYPE STRING,
VALIDTO01 TYPE STRING,
OBJNR01 TYPE STRING,
RESPONSIBLE01 TYPE STRING,
USEREXCLUSIVE01 TYPE STRING,
AUTHGRP01 TYPE STRING,
CREATIONTYPE01 TYPE STRING,
RERF01 TYPE STRING,
DERF01 TYPE STRING,
TERF01 TYPE STRING,
REHER01 TYPE STRING,
RBEAR01 TYPE STRING,
DBEAR01 TYPE STRING,
TBEAR01 TYPE STRING,
RBHER01 TYPE STRING,
PGCROSSOVERCC01 TYPE STRING,
BUTXT01 TYPE STRING,
XWETEXT01 TYPE STRING,
VALIDITY01 TYPE STRING,
XAUTHGRP01 TYPE STRING,
MANDT02 TYPE STRING,
BUKRS02 TYPE STRING,
SWENR02 TYPE STRING,
SGENR02 TYPE STRING,
SGRNR02 TYPE STRING,
PGID02 TYPE STRING,
OBJNR03 TYPE STRING,
OBJINFO03 TYPE STRING,
OBJTYPE03 TYPE STRING,
XOBJTYPE03 TYPE STRING,
XLOBJTYPE03 TYPE STRING,
OBJID03 TYPE STRING,
CELLTAB TYPE STRING,
COLORTAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REYC_OBJREL_PGBE_L_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_REYC_OBJREL_PGBE_L_STR-MANDT01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-INTRENO01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-BUKRS01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-SWENR01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-PGID01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-XPG01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-VALIDFROM01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-VALIDTO01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-OBJNR01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-RESPONSIBLE01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-USEREXCLUSIVE01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-AUTHGRP01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-CREATIONTYPE01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-RERF01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-DERF01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-TERF01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-REHER01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-RBEAR01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-DBEAR01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-TBEAR01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-RBHER01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-PGCROSSOVERCC01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-BUTXT01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-XWETEXT01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-VALIDITY01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-XAUTHGRP01 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-MANDT02 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-BUKRS02 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-SWENR02 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-SGENR02 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-SGRNR02 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-PGID02 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-OBJNR03 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-OBJINFO03 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-OBJTYPE03 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-XOBJTYPE03 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-XLOBJTYPE03 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-OBJID03 sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-CELLTAB sy-vline 
WA_REYC_OBJREL_PGBE_L_STR-COLORTAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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