ABAP Select data from SAP table PUA_SIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PUA_SIL
*  INTO TABLE @DATA(IT_PUA_SIL2).
*--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_PUA_SIL INDEX 1 INTO DATA(WA_PUA_SIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PUA_SIL>-PERNR = 1.
<PUA_SIL>-P2001 = 1.
<PUA_SIL>-AWART = 1.
<PUA_SIL>-BEGDA = 1.
<PUA_SIL>-ENDDA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PUA_SIL-REASN, sy-vline,
  WA_PUA_SIL-ADDAT, sy-vline,
  WA_PUA_SIL-ADNUM, sy-vline,
  WA_PUA_SIL-OCCDT, sy-vline,
  WA_PUA_SIL-NWDAY, sy-vline,
  WA_PUA_SIL-WRBEG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PUA_SIL 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_PUA_SIL 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_PUA_SIL INTO WA_PUA_SIL.


*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_PUA_SIL_STR, 
PERNR TYPE STRING,
P2001 TYPE STRING,
AWART TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
REASN TYPE STRING,
ADDAT TYPE STRING,
ADNUM TYPE STRING,
OCCDT TYPE STRING,
NWDAY TYPE STRING,
WRBEG TYPE STRING,
EMFIO TYPE STRING,
ORGNM TYPE STRING,
DEPAR TYPE STRING,
POSIT TYPE STRING,
WRKT1 TYPE STRING,
WRKT2 TYPE STRING,
WRKT3 TYPE STRING,
TKFIO TYPE STRING,
DCDAT TYPE STRING,
IPREL TYPE STRING,
SENI1 TYPE STRING,
SENI2 TYPE STRING,
SENI3 TYPE STRING,
PDDOL TYPE STRING,
PDFIO TYPE STRING,
SIPRO TYPE STRING,
SIDNI TYPE STRING,
PRPRO TYPE STRING,
PRDNI TYPE STRING,
AUDOL TYPE STRING,
AUFIO TYPE STRING,
SALAR TYPE STRING,
DWRAT TYPE STRING,
TBSAL TYPE STRING,
TTSAL TYPE STRING,
DAYSY TYPE STRING,
SALAR TYPE STRING,
AVERS TYPE STRING,
REBEG TYPE STRING,
REEND TYPE STRING,
REDAY TYPE STRING,
RESAL TYPE STRING,
PAYOR TYPE STRING,
PYBEG TYPE STRING,
PYEND TYPE STRING,
PYDAY TYPE STRING,
PYPRO TYPE STRING,
PYSUM TYPE STRING,
PYTOT TYPE STRING,
PYTRE TYPE STRING,
PAYSI TYPE STRING,
PYBEG TYPE STRING,
PYEND TYPE STRING,
PYDAY TYPE STRING,
PYPRO TYPE STRING,
PYSUM TYPE STRING,
PYTOT TYPE STRING,
PYTRE TYPE STRING,
TOTIW TYPE STRING,
TOTIK TYPE STRING,
PSDAT TYPE STRING,
MGFIO TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PUA_SIL_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_PUA_SIL_STR-PERNR sy-vline 
WA_PUA_SIL_STR-P2001 sy-vline 
WA_PUA_SIL_STR-AWART sy-vline 
WA_PUA_SIL_STR-BEGDA sy-vline 
WA_PUA_SIL_STR-ENDDA sy-vline 
WA_PUA_SIL_STR-REASN sy-vline 
WA_PUA_SIL_STR-ADDAT sy-vline 
WA_PUA_SIL_STR-ADNUM sy-vline 
WA_PUA_SIL_STR-OCCDT sy-vline 
WA_PUA_SIL_STR-NWDAY sy-vline 
WA_PUA_SIL_STR-WRBEG sy-vline 
WA_PUA_SIL_STR-EMFIO sy-vline 
WA_PUA_SIL_STR-ORGNM sy-vline 
WA_PUA_SIL_STR-DEPAR sy-vline 
WA_PUA_SIL_STR-POSIT sy-vline 
WA_PUA_SIL_STR-WRKT1 sy-vline 
WA_PUA_SIL_STR-WRKT2 sy-vline 
WA_PUA_SIL_STR-WRKT3 sy-vline 
WA_PUA_SIL_STR-TKFIO sy-vline 
WA_PUA_SIL_STR-DCDAT sy-vline 
WA_PUA_SIL_STR-IPREL sy-vline 
WA_PUA_SIL_STR-SENI1 sy-vline 
WA_PUA_SIL_STR-SENI2 sy-vline 
WA_PUA_SIL_STR-SENI3 sy-vline 
WA_PUA_SIL_STR-PDDOL sy-vline 
WA_PUA_SIL_STR-PDFIO sy-vline 
WA_PUA_SIL_STR-SIPRO sy-vline 
WA_PUA_SIL_STR-SIDNI sy-vline 
WA_PUA_SIL_STR-PRPRO sy-vline 
WA_PUA_SIL_STR-PRDNI sy-vline 
WA_PUA_SIL_STR-AUDOL sy-vline 
WA_PUA_SIL_STR-AUFIO sy-vline 
WA_PUA_SIL_STR-SALAR sy-vline 
WA_PUA_SIL_STR-DWRAT sy-vline 
WA_PUA_SIL_STR-TBSAL sy-vline 
WA_PUA_SIL_STR-TTSAL sy-vline 
WA_PUA_SIL_STR-DAYSY sy-vline 
WA_PUA_SIL_STR-SALAR sy-vline 
WA_PUA_SIL_STR-AVERS sy-vline 
WA_PUA_SIL_STR-REBEG sy-vline 
WA_PUA_SIL_STR-REEND sy-vline 
WA_PUA_SIL_STR-REDAY sy-vline 
WA_PUA_SIL_STR-RESAL sy-vline 
WA_PUA_SIL_STR-PAYOR sy-vline 
WA_PUA_SIL_STR-PYBEG sy-vline 
WA_PUA_SIL_STR-PYEND sy-vline 
WA_PUA_SIL_STR-PYDAY sy-vline 
WA_PUA_SIL_STR-PYPRO sy-vline 
WA_PUA_SIL_STR-PYSUM sy-vline 
WA_PUA_SIL_STR-PYTOT sy-vline 
WA_PUA_SIL_STR-PYTRE sy-vline 
WA_PUA_SIL_STR-PAYSI sy-vline 
WA_PUA_SIL_STR-PYBEG sy-vline 
WA_PUA_SIL_STR-PYEND sy-vline 
WA_PUA_SIL_STR-PYDAY sy-vline 
WA_PUA_SIL_STR-PYPRO sy-vline 
WA_PUA_SIL_STR-PYSUM sy-vline 
WA_PUA_SIL_STR-PYTOT sy-vline 
WA_PUA_SIL_STR-PYTRE sy-vline 
WA_PUA_SIL_STR-TOTIW sy-vline 
WA_PUA_SIL_STR-TOTIK sy-vline 
WA_PUA_SIL_STR-PSDAT sy-vline 
WA_PUA_SIL_STR-MGFIO sy-vline 
WA_PUA_SIL_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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