ABAP Select data from SAP table /PF1/IVANL_PBLEX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PF1/IVANL_PBLEX 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 /PF1/IVANL_PBLEX. 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 /PF1/IVANL_PBLEX 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_/PF1/IVANL_PBLEX TYPE STANDARD TABLE OF /PF1/IVANL_PBLEX,
      WA_/PF1/IVANL_PBLEX TYPE /PF1/IVANL_PBLEX,
      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: </PF1/IVANL_PBLEX> TYPE /PF1/IVANL_PBLEX.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PF1/IVANL_PBLEX.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PF1/IVANL_PBLEX
  INTO TABLE IT_/PF1/IVANL_PBLEX.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/IVANL_PBLEX
*  INTO TABLE @DATA(IT_/PF1/IVANL_PBLEX2).
*--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_/PF1/IVANL_PBLEX INDEX 1 INTO DATA(WA_/PF1/IVANL_PBLEX2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PF1/IVANL_PBLEX ASSIGNING </PF1/IVANL_PBLEX>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/IVANL_PBLEX>-MANDT = 1.
</PF1/IVANL_PBLEX>-SEGMENTATIONKEY = 1.
</PF1/IVANL_PBLEX>-TIMEPART = 1.
</PF1/IVANL_PBLEX>-GUID = 1.
</PF1/IVANL_PBLEX>-CLEARINGAREA = 1.

ENDLOOP.

LOOP AT IT_/PF1/IVANL_PBLEX INTO WA_/PF1/IVANL_PBLEX.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/IVANL_PBLEX-OBJECTCATEGORY, sy-vline,
  WA_/PF1/IVANL_PBLEX-OBJDATE, sy-vline,
  WA_/PF1/IVANL_PBLEX-OBJNO, sy-vline,
  WA_/PF1/IVANL_PBLEX-OBJEXT, sy-vline,
  WA_/PF1/IVANL_PBLEX-COUNTER, sy-vline,
  WA_/PF1/IVANL_PBLEX-PROCESSTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/IVANL_PBLEX 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_/PF1/IVANL_PBLEX 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_/PF1/IVANL_PBLEX INTO WA_/PF1/IVANL_PBLEX.


*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_/PF1/IVANL_PBLEX_STR, 
MANDT TYPE STRING,
SEGMENTATIONKEY TYPE STRING,
TIMEPART TYPE STRING,
GUID TYPE STRING,
CLEARINGAREA TYPE STRING,
OBJECTCATEGORY TYPE STRING,
OBJDATE TYPE STRING,
OBJNO TYPE STRING,
OBJEXT TYPE STRING,
COUNTER TYPE STRING,
PROCESSTYPE TYPE STRING,
PHASEID TYPE STRING,
CHECKID TYPE STRING,
REACTIONTYPE TYPE STRING,
CHECKSTATE TYPE STRING,
TRIGGERDATE TYPE STRING,
TRIGGERTIME TYPE STRING,
FLGIGNORE TYPE STRING,
PODATE TYPE STRING,
PONO TYPE STRING,
MSGTY TYPE STRING,
MSGNO TYPE STRING,
MSGID TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
REACTIONCAT TYPE STRING,
MESSAGETYPE TYPE STRING,
XMLTAG TYPE STRING,
TAGVALUE TYPE STRING,
VALIDATIONID TYPE STRING,
WBID TYPE STRING,
PPPRIORITY TYPE STRING,
STPABILITY TYPE STRING,
BLOCKCOUNTER TYPE STRING,
CRUSR TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
CHUSR TYPE STRING,
CHDAT TYPE STRING,
CHTIM TYPE STRING,
RLUSR TYPE STRING,
RLDAT TYPE STRING,
RLTIM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/IVANL_PBLEX_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_/PF1/IVANL_PBLEX_STR-MANDT sy-vline 
WA_/PF1/IVANL_PBLEX_STR-SEGMENTATIONKEY sy-vline 
WA_/PF1/IVANL_PBLEX_STR-TIMEPART sy-vline 
WA_/PF1/IVANL_PBLEX_STR-GUID sy-vline 
WA_/PF1/IVANL_PBLEX_STR-CLEARINGAREA sy-vline 
WA_/PF1/IVANL_PBLEX_STR-OBJECTCATEGORY sy-vline 
WA_/PF1/IVANL_PBLEX_STR-OBJDATE sy-vline 
WA_/PF1/IVANL_PBLEX_STR-OBJNO sy-vline 
WA_/PF1/IVANL_PBLEX_STR-OBJEXT sy-vline 
WA_/PF1/IVANL_PBLEX_STR-COUNTER sy-vline 
WA_/PF1/IVANL_PBLEX_STR-PROCESSTYPE sy-vline 
WA_/PF1/IVANL_PBLEX_STR-PHASEID sy-vline 
WA_/PF1/IVANL_PBLEX_STR-CHECKID sy-vline 
WA_/PF1/IVANL_PBLEX_STR-REACTIONTYPE sy-vline 
WA_/PF1/IVANL_PBLEX_STR-CHECKSTATE sy-vline 
WA_/PF1/IVANL_PBLEX_STR-TRIGGERDATE sy-vline 
WA_/PF1/IVANL_PBLEX_STR-TRIGGERTIME sy-vline 
WA_/PF1/IVANL_PBLEX_STR-FLGIGNORE sy-vline 
WA_/PF1/IVANL_PBLEX_STR-PODATE sy-vline 
WA_/PF1/IVANL_PBLEX_STR-PONO sy-vline 
WA_/PF1/IVANL_PBLEX_STR-MSGTY sy-vline 
WA_/PF1/IVANL_PBLEX_STR-MSGNO sy-vline 
WA_/PF1/IVANL_PBLEX_STR-MSGID sy-vline 
WA_/PF1/IVANL_PBLEX_STR-MSGV1 sy-vline 
WA_/PF1/IVANL_PBLEX_STR-MSGV2 sy-vline 
WA_/PF1/IVANL_PBLEX_STR-MSGV3 sy-vline 
WA_/PF1/IVANL_PBLEX_STR-MSGV4 sy-vline 
WA_/PF1/IVANL_PBLEX_STR-REACTIONCAT sy-vline 
WA_/PF1/IVANL_PBLEX_STR-MESSAGETYPE sy-vline 
WA_/PF1/IVANL_PBLEX_STR-XMLTAG sy-vline 
WA_/PF1/IVANL_PBLEX_STR-TAGVALUE sy-vline 
WA_/PF1/IVANL_PBLEX_STR-VALIDATIONID sy-vline 
WA_/PF1/IVANL_PBLEX_STR-WBID sy-vline 
WA_/PF1/IVANL_PBLEX_STR-PPPRIORITY sy-vline 
WA_/PF1/IVANL_PBLEX_STR-STPABILITY sy-vline 
WA_/PF1/IVANL_PBLEX_STR-BLOCKCOUNTER sy-vline 
WA_/PF1/IVANL_PBLEX_STR-CRUSR sy-vline 
WA_/PF1/IVANL_PBLEX_STR-CRDAT sy-vline 
WA_/PF1/IVANL_PBLEX_STR-CRTIM sy-vline 
WA_/PF1/IVANL_PBLEX_STR-CHUSR sy-vline 
WA_/PF1/IVANL_PBLEX_STR-CHDAT sy-vline 
WA_/PF1/IVANL_PBLEX_STR-CHTIM sy-vline 
WA_/PF1/IVANL_PBLEX_STR-RLUSR sy-vline 
WA_/PF1/IVANL_PBLEX_STR-RLDAT sy-vline 
WA_/PF1/IVANL_PBLEX_STR-RLTIM sy-vline      INTO ld_text SEPARATED BY SPACE.

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