ABAP Select data from SAP table P05T_WCR_SIMU into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P05T_WCR_SIMU 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 P05T_WCR_SIMU. 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 P05T_WCR_SIMU 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_P05T_WCR_SIMU TYPE STANDARD TABLE OF P05T_WCR_SIMU,
      WA_P05T_WCR_SIMU TYPE P05T_WCR_SIMU,
      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: <P05T_WCR_SIMU> TYPE P05T_WCR_SIMU.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P05T_WCR_SIMU.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P05T_WCR_SIMU
  INTO TABLE IT_P05T_WCR_SIMU.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P05T_WCR_SIMU
*  INTO TABLE @DATA(IT_P05T_WCR_SIMU2).
*--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_P05T_WCR_SIMU INDEX 1 INTO DATA(WA_P05T_WCR_SIMU2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P05T_WCR_SIMU ASSIGNING <P05T_WCR_SIMU>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P05T_WCR_SIMU>-MANDT = 1.
<P05T_WCR_SIMU>-EMPL = 1.
<P05T_WCR_SIMU>-ANPRJ = 1.
<P05T_WCR_SIMU>-INPRJ = 1.
<P05T_WCR_SIMU>-INPRM = 1.

ENDLOOP.

LOOP AT IT_P05T_WCR_SIMU INTO WA_P05T_WCR_SIMU.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P05T_WCR_SIMU-SEQNO, sy-vline,
  WA_P05T_WCR_SIMU-CODE, sy-vline,
  WA_P05T_WCR_SIMU-PER01, sy-vline,
  WA_P05T_WCR_SIMU-WAERS01, sy-vline,
  WA_P05T_WCR_SIMU-PER02, sy-vline,
  WA_P05T_WCR_SIMU-WAERS02, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P05T_WCR_SIMU 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_P05T_WCR_SIMU 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_P05T_WCR_SIMU INTO WA_P05T_WCR_SIMU.


*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 GJAHR, internal->external for field ANPRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_P05T_WCR_SIMU-ANPRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P05T_WCR_SIMU-ANPRJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field INPRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_P05T_WCR_SIMU-INPRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P05T_WCR_SIMU-INPRJ.
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_P05T_WCR_SIMU_STR, 
MANDT TYPE STRING,
EMPL TYPE STRING,
ANPRJ TYPE STRING,
INPRJ TYPE STRING,
INPRM TYPE STRING,
SEQNO TYPE STRING,
CODE TYPE STRING,
PER01 TYPE STRING,
WAERS01 TYPE STRING,
PER02 TYPE STRING,
WAERS02 TYPE STRING,
PER03 TYPE STRING,
WAERS03 TYPE STRING,
PER04 TYPE STRING,
WAERS04 TYPE STRING,
PER05 TYPE STRING,
WAERS05 TYPE STRING,
PER06 TYPE STRING,
WAERS06 TYPE STRING,
PER07 TYPE STRING,
WAERS07 TYPE STRING,
PER08 TYPE STRING,
WAERS08 TYPE STRING,
PER09 TYPE STRING,
WAERS09 TYPE STRING,
PER10 TYPE STRING,
WAERS10 TYPE STRING,
PER11 TYPE STRING,
WAERS11 TYPE STRING,
PER12 TYPE STRING,
WAERS12 TYPE STRING,
PER13 TYPE STRING,
WAERS13 TYPE STRING,
TOTAL TYPE STRING,
TOTAL_WAERS TYPE STRING,
FINAL TYPE STRING,
FINAL_WAERS TYPE STRING,
REPORT TYPE STRING,
UNAME TYPE STRING,
GDATE TYPE STRING,
GTIME TYPE STRING,
NLWCR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P05T_WCR_SIMU_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_P05T_WCR_SIMU_STR-MANDT sy-vline 
WA_P05T_WCR_SIMU_STR-EMPL sy-vline 
WA_P05T_WCR_SIMU_STR-ANPRJ sy-vline 
WA_P05T_WCR_SIMU_STR-INPRJ sy-vline 
WA_P05T_WCR_SIMU_STR-INPRM sy-vline 
WA_P05T_WCR_SIMU_STR-SEQNO sy-vline 
WA_P05T_WCR_SIMU_STR-CODE sy-vline 
WA_P05T_WCR_SIMU_STR-PER01 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS01 sy-vline 
WA_P05T_WCR_SIMU_STR-PER02 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS02 sy-vline 
WA_P05T_WCR_SIMU_STR-PER03 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS03 sy-vline 
WA_P05T_WCR_SIMU_STR-PER04 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS04 sy-vline 
WA_P05T_WCR_SIMU_STR-PER05 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS05 sy-vline 
WA_P05T_WCR_SIMU_STR-PER06 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS06 sy-vline 
WA_P05T_WCR_SIMU_STR-PER07 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS07 sy-vline 
WA_P05T_WCR_SIMU_STR-PER08 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS08 sy-vline 
WA_P05T_WCR_SIMU_STR-PER09 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS09 sy-vline 
WA_P05T_WCR_SIMU_STR-PER10 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS10 sy-vline 
WA_P05T_WCR_SIMU_STR-PER11 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS11 sy-vline 
WA_P05T_WCR_SIMU_STR-PER12 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS12 sy-vline 
WA_P05T_WCR_SIMU_STR-PER13 sy-vline 
WA_P05T_WCR_SIMU_STR-WAERS13 sy-vline 
WA_P05T_WCR_SIMU_STR-TOTAL sy-vline 
WA_P05T_WCR_SIMU_STR-TOTAL_WAERS sy-vline 
WA_P05T_WCR_SIMU_STR-FINAL sy-vline 
WA_P05T_WCR_SIMU_STR-FINAL_WAERS sy-vline 
WA_P05T_WCR_SIMU_STR-REPORT sy-vline 
WA_P05T_WCR_SIMU_STR-UNAME sy-vline 
WA_P05T_WCR_SIMU_STR-GDATE sy-vline 
WA_P05T_WCR_SIMU_STR-GTIME sy-vline 
WA_P05T_WCR_SIMU_STR-NLWCR sy-vline      INTO ld_text SEPARATED BY SPACE.

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