ABAP Select data from SAP table PPOICALCDFT into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PPOICALCDFT 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 PPOICALCDFT. 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 PPOICALCDFT 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_PPOICALCDFT TYPE STANDARD TABLE OF PPOICALCDFT,
      WA_PPOICALCDFT TYPE PPOICALCDFT,
      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: <PPOICALCDFT> TYPE PPOICALCDFT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPOICALCDFT
*  INTO TABLE @DATA(IT_PPOICALCDFT2).
*--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_PPOICALCDFT INDEX 1 INTO DATA(WA_PPOICALCDFT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPOICALCDFT>-MANDT = 1.
<PPOICALCDFT>-PURCHASEORDER = 1.
<PPOICALCDFT>-PURCHASEORDERITEM = 1.
<PPOICALCDFT>-SCHEDULELINE = 1.
<PPOICALCDFT>-PURCHASEORDERDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPOICALCDFT-SUPPLIER, sy-vline,
  WA_PPOICALCDFT-PLANT, sy-vline,
  WA_PPOICALCDFT-SUPPLIERPLANT, sy-vline,
  WA_PPOICALCDFT-GOODSRECEIPTMATERIALDOCYEAR, sy-vline,
  WA_PPOICALCDFT-YEARWEEK, sy-vline,
  WA_PPOICALCDFT-YEARMONTH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPOICALCDFT 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_PPOICALCDFT 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_PPOICALCDFT INTO WA_PPOICALCDFT.


*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 PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOICALCDFT-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOICALCDFT-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOICALCDFT-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOICALCDFT-SUPPLIER.
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_PPOICALCDFT_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
SCHEDULELINE TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
SUPPLIER TYPE STRING,
PLANT TYPE STRING,
SUPPLIERPLANT TYPE STRING,
GOODSRECEIPTMATERIALDOCYEAR TYPE STRING,
YEARWEEK TYPE STRING,
YEARMONTH TYPE STRING,
RUNNING_W_COUNT TYPE STRING,
RUNNING_QUANT_W_SUM TYPE STRING,
RUNNING_QUANT_W_MIN TYPE STRING,
RUNNING_QUANT_W_AVG TYPE STRING,
RUNNING_QUANT_W_MAX TYPE STRING,
RUNNING_DIFF1_W_MIN TYPE STRING,
RUNNING_DIFF1_W_AVG TYPE STRING,
RUNNING_DIFF1_W_MAX TYPE STRING,
RUNNING_DIFF2_W_MIN TYPE STRING,
RUNNING_DIFF2_W_AVG TYPE STRING,
RUNNING_DIFF2_W_MAX TYPE STRING,
RUNNING_M_COUNT TYPE STRING,
RUNNING_QUANT_M_SUM TYPE STRING,
RUNNING_QUANT_M_MIN TYPE STRING,
RUNNING_QUANT_M_AVG TYPE STRING,
RUNNING_QUANT_M_MAX TYPE STRING,
RUNNING_DIFF1_M_MIN TYPE STRING,
RUNNING_DIFF1_M_AVG TYPE STRING,
RUNNING_DIFF1_M_MAX TYPE STRING,
RUNNING_DIFF2_M_MIN TYPE STRING,
RUNNING_DIFF2_M_AVG TYPE STRING,
RUNNING_DIFF2_M_MAX TYPE STRING,
PREVIOUSYEARWEEK TYPE STRING,
PREV_W_COUNT TYPE STRING,
PREV_QUANT_W_SUM TYPE STRING,
PREV_QUANT_W_MIN TYPE STRING,
PREV_QUANT_W_AVG TYPE STRING,
PREV_QUANT_W_MAX TYPE STRING,
PREV_DIFF1_W_SUM TYPE STRING,
PREV_DIFF1_W_MAX TYPE STRING,
PREV_DIFF1_W_MIN TYPE STRING,
PREV_DIFF1_W_AVG TYPE STRING,
PREV_DIFF2_W_SUM TYPE STRING,
PREV_DIFF2_W_MAX TYPE STRING,
PREV_DIFF2_W_MIN TYPE STRING,
PREV_DIFF_W_AVG TYPE STRING,
PREVIOUSYEARMONTH TYPE STRING,
PREV_M_COUNT TYPE STRING,
PREV_QUANT_M_SUM TYPE STRING,
PREV_QUANT_M_MIN TYPE STRING,
PREV_QUANT_M_AVG TYPE STRING,
PREV_QUANT_M_MAX TYPE STRING,
PREV_DIFF1_M_SUM TYPE STRING,
PREV_DIFF1_M_MAX TYPE STRING,
PREV_DIFF1_M_MIN TYPE STRING,
PREV_DIFF1_M_AVG TYPE STRING,
PREV_DIFF2_M_SUM TYPE STRING,
PREV_DIFF2_M_MAX TYPE STRING,
PREV_DIFF2_M_MIN TYPE STRING,
PREV_DIFF2_M_AVG TYPE STRING,
DIFF_W_COUNT TYPE STRING,
DIFF_W_SUM_QUANT TYPE STRING,
DIFF_W_MIN_QUANT TYPE STRING,
DIFF_W_AVG_QUANT TYPE STRING,
DIFF_W_MAX_QUANT TYPE STRING,
RUNNING_DIFF1_W_SUM TYPE STRING,
DIFF_W_MAX_DIFF1 TYPE STRING,
DIFF_W_MIN_DIFF1 TYPE STRING,
DIFF_W_AVG_DIFF1 TYPE STRING,
RUNNING_DIFF2_W_SUM TYPE STRING,
DIFF_W_MAX_DIFF2 TYPE STRING,
DIFF_W_MIN_DIFF2 TYPE STRING,
DIFF_W_AVG_DIFF2 TYPE STRING,
DIFF_M_COUNT TYPE STRING,
DIFF_M_SUM_QUANT TYPE STRING,
DIFF_M_MIN_QUANT TYPE STRING,
DIFF_M_AVG_QUANT TYPE STRING,
DIFF_M_MAX_QUANT TYPE STRING,
RUNNING_DIFF1_M_SUM TYPE STRING,
DIFF_M_MAX_DIFF1 TYPE STRING,
DIFF_M_MIN_DIFF1 TYPE STRING,
DIFF_M_AVG_DIFF1 TYPE STRING,
RUNNING_DIFF2_M_SUM TYPE STRING,
DIFF_M_MAX_DIFF2 TYPE STRING,
DIFF_M_MIN_DIFF2 TYPE STRING,
DIFF_M_AVG_DIFF2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPOICALCDFT_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_PPOICALCDFT_STR-MANDT sy-vline 
WA_PPOICALCDFT_STR-PURCHASEORDER sy-vline 
WA_PPOICALCDFT_STR-PURCHASEORDERITEM sy-vline 
WA_PPOICALCDFT_STR-SCHEDULELINE sy-vline 
WA_PPOICALCDFT_STR-PURCHASEORDERDATE sy-vline 
WA_PPOICALCDFT_STR-SUPPLIER sy-vline 
WA_PPOICALCDFT_STR-PLANT sy-vline 
WA_PPOICALCDFT_STR-SUPPLIERPLANT sy-vline 
WA_PPOICALCDFT_STR-GOODSRECEIPTMATERIALDOCYEAR sy-vline 
WA_PPOICALCDFT_STR-YEARWEEK sy-vline 
WA_PPOICALCDFT_STR-YEARMONTH sy-vline 
WA_PPOICALCDFT_STR-RUNNING_W_COUNT sy-vline 
WA_PPOICALCDFT_STR-RUNNING_QUANT_W_SUM sy-vline 
WA_PPOICALCDFT_STR-RUNNING_QUANT_W_MIN sy-vline 
WA_PPOICALCDFT_STR-RUNNING_QUANT_W_AVG sy-vline 
WA_PPOICALCDFT_STR-RUNNING_QUANT_W_MAX sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF1_W_MIN sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF1_W_AVG sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF1_W_MAX sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF2_W_MIN sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF2_W_AVG sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF2_W_MAX sy-vline 
WA_PPOICALCDFT_STR-RUNNING_M_COUNT sy-vline 
WA_PPOICALCDFT_STR-RUNNING_QUANT_M_SUM sy-vline 
WA_PPOICALCDFT_STR-RUNNING_QUANT_M_MIN sy-vline 
WA_PPOICALCDFT_STR-RUNNING_QUANT_M_AVG sy-vline 
WA_PPOICALCDFT_STR-RUNNING_QUANT_M_MAX sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF1_M_MIN sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF1_M_AVG sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF1_M_MAX sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF2_M_MIN sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF2_M_AVG sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF2_M_MAX sy-vline 
WA_PPOICALCDFT_STR-PREVIOUSYEARWEEK sy-vline 
WA_PPOICALCDFT_STR-PREV_W_COUNT sy-vline 
WA_PPOICALCDFT_STR-PREV_QUANT_W_SUM sy-vline 
WA_PPOICALCDFT_STR-PREV_QUANT_W_MIN sy-vline 
WA_PPOICALCDFT_STR-PREV_QUANT_W_AVG sy-vline 
WA_PPOICALCDFT_STR-PREV_QUANT_W_MAX sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF1_W_SUM sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF1_W_MAX sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF1_W_MIN sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF1_W_AVG sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF2_W_SUM sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF2_W_MAX sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF2_W_MIN sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF_W_AVG sy-vline 
WA_PPOICALCDFT_STR-PREVIOUSYEARMONTH sy-vline 
WA_PPOICALCDFT_STR-PREV_M_COUNT sy-vline 
WA_PPOICALCDFT_STR-PREV_QUANT_M_SUM sy-vline 
WA_PPOICALCDFT_STR-PREV_QUANT_M_MIN sy-vline 
WA_PPOICALCDFT_STR-PREV_QUANT_M_AVG sy-vline 
WA_PPOICALCDFT_STR-PREV_QUANT_M_MAX sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF1_M_SUM sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF1_M_MAX sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF1_M_MIN sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF1_M_AVG sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF2_M_SUM sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF2_M_MAX sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF2_M_MIN sy-vline 
WA_PPOICALCDFT_STR-PREV_DIFF2_M_AVG sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_COUNT sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_SUM_QUANT sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_MIN_QUANT sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_AVG_QUANT sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_MAX_QUANT sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF1_W_SUM sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_MAX_DIFF1 sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_MIN_DIFF1 sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_AVG_DIFF1 sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF2_W_SUM sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_MAX_DIFF2 sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_MIN_DIFF2 sy-vline 
WA_PPOICALCDFT_STR-DIFF_W_AVG_DIFF2 sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_COUNT sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_SUM_QUANT sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_MIN_QUANT sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_AVG_QUANT sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_MAX_QUANT sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF1_M_SUM sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_MAX_DIFF1 sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_MIN_DIFF1 sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_AVG_DIFF1 sy-vline 
WA_PPOICALCDFT_STR-RUNNING_DIFF2_M_SUM sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_MAX_DIFF2 sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_MIN_DIFF2 sy-vline 
WA_PPOICALCDFT_STR-DIFF_M_AVG_DIFF2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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