ABAP Select data from SAP table P12DMUP_T_NATPER_UPTO2005Q3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P12DMUP_T_NATPER_UPTO2005Q3 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 P12DMUP_T_NATPER_UPTO2005Q3. 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 P12DMUP_T_NATPER_UPTO2005Q3 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_P12DMUP_T_NATPER_UPTO2005Q3 TYPE STANDARD TABLE OF P12DMUP_T_NATPER_UPTO2005Q3,
      WA_P12DMUP_T_NATPER_UPTO2005Q3 TYPE P12DMUP_T_NATPER_UPTO2005Q3,
      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: <P12DMUP_T_NATPER_UPTO2005Q3> TYPE P12DMUP_T_NATPER_UPTO2005Q3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P12DMUP_T_NATPER_UPTO2005Q3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P12DMUP_T_NATPER_UPTO2005Q3
  INTO TABLE IT_P12DMUP_T_NATPER_UPTO2005Q3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P12DMUP_T_NATPER_UPTO2005Q3
*  INTO TABLE @DATA(IT_P12DMUP_T_NATPER_UPTO2005Q32).
*--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_P12DMUP_T_NATPER_UPTO2005Q3 INDEX 1 INTO DATA(WA_P12DMUP_T_NATPER_UPTO2005Q32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P12DMUP_T_NATPER_UPTO2005Q3 ASSIGNING <P12DMUP_T_NATPER_UPTO2005Q3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P12DMUP_T_NATPER_UPTO2005Q3>-SECTN = 1.
<P12DMUP_T_NATPER_UPTO2005Q3>-SEQNR = 1.
<P12DMUP_T_NATPER_UPTO2005Q3>-RSZRR = 1.
<P12DMUP_T_NATPER_UPTO2005Q3>-DISIS = 1.
<P12DMUP_T_NATPER_UPTO2005Q3>-NPNAM = 1.

ENDLOOP.

LOOP AT IT_P12DMUP_T_NATPER_UPTO2005Q3 INTO WA_P12DMUP_T_NATPER_UPTO2005Q3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P12DMUP_T_NATPER_UPTO2005Q3-NPFIR, sy-vline,
  WA_P12DMUP_T_NATPER_UPTO2005Q3-NPINI, sy-vline,
  WA_P12DMUP_T_NATPER_UPTO2005Q3-NPBDT, sy-vline,
  WA_P12DMUP_T_NATPER_UPTO2005Q3-NPBPL, sy-vline,
  WA_P12DMUP_T_NATPER_UPTO2005Q3-NPBCN, sy-vline,
  WA_P12DMUP_T_NATPER_UPTO2005Q3-NPSEX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P12DMUP_T_NATPER_UPTO2005Q3 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_P12DMUP_T_NATPER_UPTO2005Q3 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_P12DMUP_T_NATPER_UPTO2005Q3 INTO WA_P12DMUP_T_NATPER_UPTO2005Q3.


*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_P12DMUP_T_NATPER_UPTO2005Q3_STR, 
SECTN TYPE STRING,
SEQNR TYPE STRING,
RSZRR TYPE STRING,
DISIS TYPE STRING,
NPNAM TYPE STRING,
NPFIR TYPE STRING,
NPINI TYPE STRING,
NPBDT TYPE STRING,
NPBPL TYPE STRING,
NPBCN TYPE STRING,
NPSEX TYPE STRING,
NPSTR TYPE STRING,
NPHNR TYPE STRING,
NPBOX TYPE STRING,
NPZIP TYPE STRING,
NPCIT TYPE STRING,
NPCNT TYPE STRING,
NPNAT TYPE STRING,
PERNR TYPE STRING,
NPURF TYPE STRING,
NPPID TYPE STRING,
DNPID TYPE STRING,
DNVNU TYPE STRING,
NPJUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P12DMUP_T_NATPER_UPTO2005Q3_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_P12DMUP_T_NATPER_UPTO2005Q3_STR-SECTN sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-SEQNR sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-RSZRR sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-DISIS sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPNAM sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPFIR sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPINI sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPBDT sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPBPL sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPBCN sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPSEX sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPSTR sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPHNR sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPBOX sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPZIP sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPCIT sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPCNT sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPNAT sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-PERNR sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPURF sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPPID sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-DNPID sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-DNVNU sy-vline 
WA_P12DMUP_T_NATPER_UPTO2005Q3_STR-NPJUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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