ABAP Select data from SAP table ISCHRGPLNALLWNCPARAMETERTP_DR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISCHRGPLNALLWNCPARAMETERTP_DR
*  INTO TABLE @DATA(IT_ISCHRGPLNALLWNCPARAMETERTP_DR2).
*--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_ISCHRGPLNALLWNCPARAMETERTP_DR INDEX 1 INTO DATA(WA_ISCHRGPLNALLWNCPARAMETERTP_DR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISCHRGPLNALLWNCPARAMETERTP_DR>-CHARGEPLANPARAMETERUUID = 1.
<ISCHRGPLNALLWNCPARAMETERTP_DR>-CREATEDBYUSER = 1.
<ISCHRGPLNALLWNCPARAMETERTP_DR>-CREATIONDATETIME = 1.
<ISCHRGPLNALLWNCPARAMETERTP_DR>-LASTCHANGEDBYUSER = 1.
<ISCHRGPLNALLWNCPARAMETERTP_DR>-LASTCHANGEDATETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISCHRGPLNALLWNCPARAMETERTP_DR-CHARGEPLANASSIGNMENTUUID, sy-vline,
  WA_ISCHRGPLNALLWNCPARAMETERTP_DR-SUBSCRPNPRODSPECUUID, sy-vline,
  WA_ISCHRGPLNALLWNCPARAMETERTP_DR-CHARGEPLANPARAMETERID, sy-vline,
  WA_ISCHRGPLNALLWNCPARAMETERTP_DR-CHARGEPLANPARAMETERDESCRIPTION, sy-vline,
  WA_ISCHRGPLNALLWNCPARAMETERTP_DR-CHARGEPLANPARAMETERTYPE, sy-vline,
  WA_ISCHRGPLNALLWNCPARAMETERTP_DR-CHARGEPLANPARAMETERUSAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISCHRGPLNALLWNCPARAMETERTP_DR 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_ISCHRGPLNALLWNCPARAMETERTP_DR 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_ISCHRGPLNALLWNCPARAMETERTP_DR INTO WA_ISCHRGPLNALLWNCPARAMETERTP_DR.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ISCHRGPLNALLWNCPARAMETERTP_DR_STR, 
CHARGEPLANPARAMETERUUID TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
CHARGEPLANASSIGNMENTUUID TYPE STRING,
SUBSCRPNPRODSPECUUID TYPE STRING,
CHARGEPLANPARAMETERID TYPE STRING,
CHARGEPLANPARAMETERDESCRIPTION TYPE STRING,
CHARGEPLANPARAMETERTYPE TYPE STRING,
CHARGEPLANPARAMETERUSAGE TYPE STRING,
CHARGEPLANPARAMETERUSEVALUE TYPE STRING,
CHRGPLANPARAMETERNUMERICVALUE TYPE STRING,
CHRGPLNPARAMNMRCDEFAULTVALUE TYPE STRING,
CHARGEPLANPARAMETERSTRINGVALUE TYPE STRING,
CHRGPLNPARAMSTRINGDEFAULTVALUE TYPE STRING,
CHARGEPLANPARAMETERDATEVALUE TYPE STRING,
CHRGPLNPARAMDATEDEFAULTVALUE TYPE STRING,
BRFFUNCTIONUUID TYPE STRING,
CHARGEPLANPARAMETERISMANDATORY TYPE STRING,
CONVERGENTCHARGINGTABLECLASSID TYPE STRING,
CHARACTERISTIC TYPE STRING,
ALLOWANCEDEFINITIONGROUPUUID TYPE STRING,
ALLOWANCEDEFINITIONGROUPID TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISCHRGPLNALLWNCPARAMETERTP_DR_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_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANPARAMETERUUID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CREATEDBYUSER sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CREATIONDATETIME sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-LASTCHANGEDATETIME sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANASSIGNMENTUUID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-SUBSCRPNPRODSPECUUID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANPARAMETERID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANPARAMETERDESCRIPTION sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANPARAMETERTYPE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANPARAMETERUSAGE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANPARAMETERUSEVALUE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHRGPLANPARAMETERNUMERICVALUE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHRGPLNPARAMNMRCDEFAULTVALUE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANPARAMETERSTRINGVALUE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHRGPLNPARAMSTRINGDEFAULTVALUE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANPARAMETERDATEVALUE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHRGPLNPARAMDATEDEFAULTVALUE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-BRFFUNCTIONUUID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARGEPLANPARAMETERISMANDATORY sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CONVERGENTCHARGINGTABLECLASSID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-CHARACTERISTIC sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-ALLOWANCEDEFINITIONGROUPUUID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-ALLOWANCEDEFINITIONGROUPID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-ACTIVEUUID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-HASACTIVEENTITY sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISCHRGPLNALLWNCPARAMETERTP_DR_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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