ABAP Select data from SAP table RPALCHK_CNSMPN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPALCHK_CNSMPN
*  INTO TABLE @DATA(IT_RPALCHK_CNSMPN2).
*--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_RPALCHK_CNSMPN INDEX 1 INTO DATA(WA_RPALCHK_CNSMPN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPALCHK_CNSMPN>-CLIENT = 1.
<RPALCHK_CNSMPN>-REVPRODALLOCCHKCNSMPNUUID = 1.
<RPALCHK_CNSMPN>-REVPRODALLOCCHKCSTRTRSLTUUID = 1.
<RPALCHK_CNSMPN>-ATPCHECKUUID = 1.
<RPALCHK_CNSMPN>-PRODALLOCCHKDATASNAPSHOTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPALCHK_CNSMPN-PRODALLOCCHKPERIODCNSMPNTYPE, sy-vline,
  WA_RPALCHK_CNSMPN-PRODALLOCPERDSTARTUTCDATETIME, sy-vline,
  WA_RPALCHK_CNSMPN-PRODALLOCPERIODSTARTTIMEZONE, sy-vline,
  WA_RPALCHK_CNSMPN-PRODALLOCCHKORDERVALUE, sy-vline,
  WA_RPALCHK_CNSMPN-PRODALLOCPLANNEDQUANTITY, sy-vline,
  WA_RPALCHK_CNSMPN-PRODALLOCPLNDQTYINALLOCUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPALCHK_CNSMPN 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_RPALCHK_CNSMPN 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_RPALCHK_CNSMPN INTO WA_RPALCHK_CNSMPN.


*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 CUNIT, internal->external for field PRODALLOCREQUESTEDQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RPALCHK_CNSMPN-PRODALLOCREQUESTEDQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPALCHK_CNSMPN-PRODALLOCREQUESTEDQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PRODUCTALLOCATIONQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RPALCHK_CNSMPN-PRODUCTALLOCATIONQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPALCHK_CNSMPN-PRODUCTALLOCATIONQUANTITYUNIT.
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_RPALCHK_CNSMPN_STR, 
CLIENT TYPE STRING,
REVPRODALLOCCHKCNSMPNUUID TYPE STRING,
REVPRODALLOCCHKCSTRTRSLTUUID TYPE STRING,
ATPCHECKUUID TYPE STRING,
PRODALLOCCHKDATASNAPSHOTTYPE TYPE STRING,
PRODALLOCCHKPERIODCNSMPNTYPE TYPE STRING,
PRODALLOCPERDSTARTUTCDATETIME TYPE STRING,
PRODALLOCPERIODSTARTTIMEZONE TYPE STRING,
PRODALLOCCHKORDERVALUE TYPE STRING,
PRODALLOCPLANNEDQUANTITY TYPE STRING,
PRODALLOCPLNDQTYINALLOCUNIT TYPE STRING,
PRODALLOCCNSMDBYOTHORDQTY TYPE STRING,
CNSMDBYOTHORDQTYINALLOCUNIT TYPE STRING,
PRODALLOCCNSMDBYOTHCSTRTQTY TYPE STRING,
CNSMDBYOTHCSTRTQTYINALLOCUNIT TYPE STRING,
PRODALLOCOWNCNSMPNQTY TYPE STRING,
OWNCNSMPNQTYINALLOCUNIT TYPE STRING,
PRODALLOCDLVRDQTY TYPE STRING,
PRODALLOCDLVRDQTYINALLOCUNIT TYPE STRING,
PRODALLOCSUPASSGDQTY TYPE STRING,
ALLOCSUPASSGDQTYINALLOCUNIT TYPE STRING,
PRODALLOCCNSMDBYOTHERSQTY TYPE STRING,
CNSMDBYOTHERSQTYINALLOCUNIT TYPE STRING,
PRODALLOCAVAILABLEQUANTITY TYPE STRING,
PRODALLOCAVAILQTYINALLOCUNIT TYPE STRING,
PRODALLOCREQUESTEDQUANTITYUNIT TYPE STRING,
PRODUCTALLOCATIONQUANTITYUNIT TYPE STRING,
CHARCVALUECOMBINATIONUUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPALCHK_CNSMPN_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_RPALCHK_CNSMPN_STR-CLIENT sy-vline 
WA_RPALCHK_CNSMPN_STR-REVPRODALLOCCHKCNSMPNUUID sy-vline 
WA_RPALCHK_CNSMPN_STR-REVPRODALLOCCHKCSTRTRSLTUUID sy-vline 
WA_RPALCHK_CNSMPN_STR-ATPCHECKUUID sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCCHKDATASNAPSHOTTYPE sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCCHKPERIODCNSMPNTYPE sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCPERDSTARTUTCDATETIME sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCPERIODSTARTTIMEZONE sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCCHKORDERVALUE sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCPLANNEDQUANTITY sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCPLNDQTYINALLOCUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCCNSMDBYOTHORDQTY sy-vline 
WA_RPALCHK_CNSMPN_STR-CNSMDBYOTHORDQTYINALLOCUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCCNSMDBYOTHCSTRTQTY sy-vline 
WA_RPALCHK_CNSMPN_STR-CNSMDBYOTHCSTRTQTYINALLOCUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCOWNCNSMPNQTY sy-vline 
WA_RPALCHK_CNSMPN_STR-OWNCNSMPNQTYINALLOCUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCDLVRDQTY sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCDLVRDQTYINALLOCUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCSUPASSGDQTY sy-vline 
WA_RPALCHK_CNSMPN_STR-ALLOCSUPASSGDQTYINALLOCUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCCNSMDBYOTHERSQTY sy-vline 
WA_RPALCHK_CNSMPN_STR-CNSMDBYOTHERSQTYINALLOCUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCAVAILABLEQUANTITY sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCAVAILQTYINALLOCUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODALLOCREQUESTEDQUANTITYUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-PRODUCTALLOCATIONQUANTITYUNIT sy-vline 
WA_RPALCHK_CNSMPN_STR-CHARCVALUECOMBINATIONUUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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