ABAP Select data from SAP table PJPTAXPLNITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PJPTAXPLNITM
*  INTO TABLE @DATA(IT_PJPTAXPLNITM2).
*--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_PJPTAXPLNITM INDEX 1 INTO DATA(WA_PJPTAXPLNITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PJPTAXPLNITM>-MANDT = 1.
<PJPTAXPLNITM>-CUSTOMERPROJECT = 1.
<PJPTAXPLNITM>-SALESORDER = 1.
<PJPTAXPLNITM>-SALESORDERITEM = 1.
<PJPTAXPLNITM>-BILLINGPLAN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PJPTAXPLNITM-BILLINGPLANITEM, sy-vline,
  WA_PJPTAXPLNITM-BILLINGDOCUMENT, sy-vline,
  WA_PJPTAXPLNITM-BILLINGDOCUMENTITEM, sy-vline,
  WA_PJPTAXPLNITM-ITEMNETAMOUNT, sy-vline,
  WA_PJPTAXPLNITM-BILLDOCITEMTAXAMT, sy-vline,
  WA_PJPTAXPLNITM-OVERALLBILLINGSTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PJPTAXPLNITM 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_PJPTAXPLNITM 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_PJPTAXPLNITM INTO WA_PJPTAXPLNITM.


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

*Conversion exit ALPHA, internal->external for field BILLINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PJPTAXPLNITM-BILLINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJPTAXPLNITM-BILLINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CANCELLEDBILLINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PJPTAXPLNITM-CANCELLEDBILLINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJPTAXPLNITM-CANCELLEDBILLINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PJPTAXPLNITM-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJPTAXPLNITM-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field DEBITMEMOREQUEST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PJPTAXPLNITM-DEBITMEMOREQUEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJPTAXPLNITM-DEBITMEMOREQUEST.
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_PJPTAXPLNITM_STR, 
MANDT TYPE STRING,
CUSTOMERPROJECT TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
BILLINGPLAN TYPE STRING,
BILLINGPLANITEM TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
BILLINGDOCUMENTITEM TYPE STRING,
ITEMNETAMOUNT TYPE STRING,
BILLDOCITEMTAXAMT TYPE STRING,
OVERALLBILLINGSTATUS TYPE STRING,
BILLINGDOCUMENTDATE TYPE STRING,
CANCELLEDBILLINGDOCUMENT TYPE STRING,
BILLINGDOCUMENTISCANCELLED TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
TOTALTAXAMOUNT TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
BILLINGPLANUSAGECATEGORY TYPE STRING,
BILLINGPLANBILLINGDATE TYPE STRING,
BILLINGPLANRELATEDBILLGSTATUS TYPE STRING,
BILLINGPLANAMOUNT TYPE STRING,
OPTBILLINGAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
BILLINGPLANITEMDESCRIPTION TYPE STRING,
BILLINGPLANSERVICESTARTDATE TYPE STRING,
BILLINGPLANSERVICEENDDATE TYPE STRING,
SALESORGANIZATION TYPE STRING,
STARTYEARMONTH TYPE STRING,
ENDYEARMONTH TYPE STRING,
CURRENTDATE TYPE STRING,
DEBITMEMOREQUEST TYPE STRING,
DEBITMEMOREQUESTITEM TYPE STRING,
PROJECTBILLINGISUSED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PJPTAXPLNITM_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_PJPTAXPLNITM_STR-MANDT sy-vline 
WA_PJPTAXPLNITM_STR-CUSTOMERPROJECT sy-vline 
WA_PJPTAXPLNITM_STR-SALESORDER sy-vline 
WA_PJPTAXPLNITM_STR-SALESORDERITEM sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGPLAN sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGPLANITEM sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGDOCUMENT sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGDOCUMENTITEM sy-vline 
WA_PJPTAXPLNITM_STR-ITEMNETAMOUNT sy-vline 
WA_PJPTAXPLNITM_STR-BILLDOCITEMTAXAMT sy-vline 
WA_PJPTAXPLNITM_STR-OVERALLBILLINGSTATUS sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGDOCUMENTDATE sy-vline 
WA_PJPTAXPLNITM_STR-CANCELLEDBILLINGDOCUMENT sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGDOCUMENTISCANCELLED sy-vline 
WA_PJPTAXPLNITM_STR-TOTALNETAMOUNT sy-vline 
WA_PJPTAXPLNITM_STR-TOTALTAXAMOUNT sy-vline 
WA_PJPTAXPLNITM_STR-DOCUMENTREFERENCEID sy-vline 
WA_PJPTAXPLNITM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PJPTAXPLNITM_STR-COMPANYCODE sy-vline 
WA_PJPTAXPLNITM_STR-FISCALYEAR sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGPLANUSAGECATEGORY sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGPLANBILLINGDATE sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGPLANRELATEDBILLGSTATUS sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGPLANAMOUNT sy-vline 
WA_PJPTAXPLNITM_STR-OPTBILLINGAMOUNT sy-vline 
WA_PJPTAXPLNITM_STR-TRANSACTIONCURRENCY sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGPLANITEMDESCRIPTION sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGPLANSERVICESTARTDATE sy-vline 
WA_PJPTAXPLNITM_STR-BILLINGPLANSERVICEENDDATE sy-vline 
WA_PJPTAXPLNITM_STR-SALESORGANIZATION sy-vline 
WA_PJPTAXPLNITM_STR-STARTYEARMONTH sy-vline 
WA_PJPTAXPLNITM_STR-ENDYEARMONTH sy-vline 
WA_PJPTAXPLNITM_STR-CURRENTDATE sy-vline 
WA_PJPTAXPLNITM_STR-DEBITMEMOREQUEST sy-vline 
WA_PJPTAXPLNITM_STR-DEBITMEMOREQUESTITEM sy-vline 
WA_PJPTAXPLNITM_STR-PROJECTBILLINGISUSED sy-vline      INTO ld_text SEPARATED BY SPACE.

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