ABAP Select data from SAP table REAJ_ADJM_TASK_CAP_L into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REAJ_ADJM_TASK_CAP_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 REAJ_ADJM_TASK_CAP_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 REAJ_ADJM_TASK_CAP_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_REAJ_ADJM_TASK_CAP_L TYPE STANDARD TABLE OF REAJ_ADJM_TASK_CAP_L,
      WA_REAJ_ADJM_TASK_CAP_L TYPE REAJ_ADJM_TASK_CAP_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: <REAJ_ADJM_TASK_CAP_L> TYPE REAJ_ADJM_TASK_CAP_L.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REAJ_ADJM_TASK_CAP_L
*  INTO TABLE @DATA(IT_REAJ_ADJM_TASK_CAP_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_REAJ_ADJM_TASK_CAP_L INDEX 1 INTO DATA(WA_REAJ_ADJM_TASK_CAP_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REAJ_ADJM_TASK_CAP_L>-OBJNRADJM = 1.
<REAJ_ADJM_TASK_CAP_L>-IDENTADJM = 1.
<REAJ_ADJM_TASK_CAP_L>-UNITPRICE = 1.
<REAJ_ADJM_TASK_CAP_L>-CONDVALUE = 1.
<REAJ_ADJM_TASK_CAP_L>-MAXUNITPRICE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REAJ_ADJM_TASK_CAP_L-MAXCONDVALUE, sy-vline,
  WA_REAJ_ADJM_TASK_CAP_L-FULLWAIVER, sy-vline,
  WA_REAJ_ADJM_TASK_CAP_L-OBJNRADJMCN, sy-vline,
  WA_REAJ_ADJM_TASK_CAP_L-IDENTADJMCN, sy-vline,
  WA_REAJ_ADJM_TASK_CAP_L-UNITPRICECN, sy-vline,
  WA_REAJ_ADJM_TASK_CAP_L-CONDVALUECN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REAJ_ADJM_TASK_CAP_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_REAJ_ADJM_TASK_CAP_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_REAJ_ADJM_TASK_CAP_L INTO WA_REAJ_ADJM_TASK_CAP_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 RECUP, internal->external for field UNITPRICE
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_TASK_CAP_L-UNITPRICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_TASK_CAP_L-UNITPRICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field CONDVALUE
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_TASK_CAP_L-CONDVALUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_TASK_CAP_L-CONDVALUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAXUNITPRICE
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_TASK_CAP_L-MAXUNITPRICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_TASK_CAP_L-MAXUNITPRICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAXCONDVALUE
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_TASK_CAP_L-MAXCONDVALUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_TASK_CAP_L-MAXCONDVALUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field UNITPRICECN
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_TASK_CAP_L-UNITPRICECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_TASK_CAP_L-UNITPRICECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field CONDVALUECN
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_TASK_CAP_L-CONDVALUECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_TASK_CAP_L-CONDVALUECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAXUNITPRICECN
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_TASK_CAP_L-MAXUNITPRICECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_TASK_CAP_L-MAXUNITPRICECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAXCONDVALUECN
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_TASK_CAP_L-MAXCONDVALUECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_TASK_CAP_L-MAXCONDVALUECN.
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_REAJ_ADJM_TASK_CAP_L_STR, 
OBJNRADJM TYPE STRING,
IDENTADJM TYPE STRING,
UNITPRICE TYPE STRING,
CONDVALUE TYPE STRING,
MAXUNITPRICE TYPE STRING,
MAXCONDVALUE TYPE STRING,
FULLWAIVER TYPE STRING,
OBJNRADJMCN TYPE STRING,
IDENTADJMCN TYPE STRING,
UNITPRICECN TYPE STRING,
CONDVALUECN TYPE STRING,
MAXUNITPRICECN TYPE STRING,
MAXCONDVALUECN TYPE STRING,
FULLWAIVERCN TYPE STRING,
ATCURR TYPE STRING,
ERRORCAP TYPE STRING,
ERRORCAPCN TYPE STRING,
COLORTAB TYPE STRING,
STYLETAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REAJ_ADJM_TASK_CAP_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_REAJ_ADJM_TASK_CAP_L_STR-OBJNRADJM sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-IDENTADJM sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-UNITPRICE sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-CONDVALUE sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-MAXUNITPRICE sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-MAXCONDVALUE sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-FULLWAIVER sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-OBJNRADJMCN sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-IDENTADJMCN sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-UNITPRICECN sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-CONDVALUECN sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-MAXUNITPRICECN sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-MAXCONDVALUECN sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-FULLWAIVERCN sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-ATCURR sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-ERRORCAP sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-ERRORCAPCN sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-COLORTAB sy-vline 
WA_REAJ_ADJM_TASK_CAP_L_STR-STYLETAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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