ABAP Select data from SAP table PAR53 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PAR53 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 PAR53. 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 PAR53 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_PAR53 TYPE STANDARD TABLE OF PAR53,
      WA_PAR53 TYPE PAR53,
      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: <PAR53> TYPE PAR53.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PAR53.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PAR53
  INTO TABLE IT_PAR53.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAR53
*  INTO TABLE @DATA(IT_PAR532).
*--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_PAR53 INDEX 1 INTO DATA(WA_PAR532).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PAR53 ASSIGNING <PAR53>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAR53>-CCUIL = 1.
<PAR53>-NOMAP = 1.
<PAR53>-CONTF = 1.
<PAR53>-HIJOS = 1.
<PAR53>-SITUA = 1.

ENDLOOP.

LOOP AT IT_PAR53 INTO WA_PAR53.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAR53-CONDI, sy-vline,
  WA_PAR53-ACTSI, sy-vline,
  WA_PAR53-ZONDI, sy-vline,
  WA_PAR53-AADSS, sy-vline,
  WA_PAR53-TCSIJ, sy-vline,
  WA_PAR53-OBRAS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAR53 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_PAR53 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_PAR53 INTO WA_PAR53.


*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_PAR53_STR, 
CCUIL TYPE STRING,
NOMAP TYPE STRING,
CONTF TYPE STRING,
HIJOS TYPE STRING,
SITUA TYPE STRING,
CONDI TYPE STRING,
ACTSI TYPE STRING,
ZONDI TYPE STRING,
AADSS TYPE STRING,
TCSIJ TYPE STRING,
OBRAS TYPE STRING,
ADHER TYPE STRING,
RETOT TYPE STRING,
REAOS TYPE STRING,
ASFAM TYPE STRING,
APJVO TYPE STRING,
IADOS TYPE STRING,
EXASS TYPE STRING,
EXAOS TYPE STRING,
LOCTX TYPE STRING,
REICO TYPE STRING,
REIM3 TYPE STRING,
REIOS TYPE STRING,
SINSI TYPE STRING,
CORSI TYPE STRING,
CAPRE TYPE STRING,
TIPEM TYPE STRING,
APAOS TYPE STRING,
REJUB TYPE STRING,
SITU1 TYPE STRING,
SITD1 TYPE STRING,
SITU2 TYPE STRING,
SITD2 TYPE STRING,
SITU3 TYPE STRING,
SITD3 TYPE STRING,
SUESI TYPE STRING,
SACSI TYPE STRING,
HEXSI TYPE STRING,
ZDESI TYPE STRING,
VACSI TYPE STRING,
DTRSI TYPE STRING,
REIM5 TYPE STRING,
CNVSI TYPE STRING,
REIM6 TYPE STRING,
TIPOP TYPE STRING,
ADCNL TYPE STRING,
PREMS TYPE STRING,
R7885 TYPE STRING,
REIM7 TYPE STRING,
CAHEX TYPE STRING,
RNORE TYPE STRING,
REMAT TYPE STRING,
RRECT TYPE STRING,
REIM9 TYPE STRING,
PERDT TYPE STRING,
WKHRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAR53_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_PAR53_STR-CCUIL sy-vline 
WA_PAR53_STR-NOMAP sy-vline 
WA_PAR53_STR-CONTF sy-vline 
WA_PAR53_STR-HIJOS sy-vline 
WA_PAR53_STR-SITUA sy-vline 
WA_PAR53_STR-CONDI sy-vline 
WA_PAR53_STR-ACTSI sy-vline 
WA_PAR53_STR-ZONDI sy-vline 
WA_PAR53_STR-AADSS sy-vline 
WA_PAR53_STR-TCSIJ sy-vline 
WA_PAR53_STR-OBRAS sy-vline 
WA_PAR53_STR-ADHER sy-vline 
WA_PAR53_STR-RETOT sy-vline 
WA_PAR53_STR-REAOS sy-vline 
WA_PAR53_STR-ASFAM sy-vline 
WA_PAR53_STR-APJVO sy-vline 
WA_PAR53_STR-IADOS sy-vline 
WA_PAR53_STR-EXASS sy-vline 
WA_PAR53_STR-EXAOS sy-vline 
WA_PAR53_STR-LOCTX sy-vline 
WA_PAR53_STR-REICO sy-vline 
WA_PAR53_STR-REIM3 sy-vline 
WA_PAR53_STR-REIOS sy-vline 
WA_PAR53_STR-SINSI sy-vline 
WA_PAR53_STR-CORSI sy-vline 
WA_PAR53_STR-CAPRE sy-vline 
WA_PAR53_STR-TIPEM sy-vline 
WA_PAR53_STR-APAOS sy-vline 
WA_PAR53_STR-REJUB sy-vline 
WA_PAR53_STR-SITU1 sy-vline 
WA_PAR53_STR-SITD1 sy-vline 
WA_PAR53_STR-SITU2 sy-vline 
WA_PAR53_STR-SITD2 sy-vline 
WA_PAR53_STR-SITU3 sy-vline 
WA_PAR53_STR-SITD3 sy-vline 
WA_PAR53_STR-SUESI sy-vline 
WA_PAR53_STR-SACSI sy-vline 
WA_PAR53_STR-HEXSI sy-vline 
WA_PAR53_STR-ZDESI sy-vline 
WA_PAR53_STR-VACSI sy-vline 
WA_PAR53_STR-DTRSI sy-vline 
WA_PAR53_STR-REIM5 sy-vline 
WA_PAR53_STR-CNVSI sy-vline 
WA_PAR53_STR-REIM6 sy-vline 
WA_PAR53_STR-TIPOP sy-vline 
WA_PAR53_STR-ADCNL sy-vline 
WA_PAR53_STR-PREMS sy-vline 
WA_PAR53_STR-R7885 sy-vline 
WA_PAR53_STR-REIM7 sy-vline 
WA_PAR53_STR-CAHEX sy-vline 
WA_PAR53_STR-RNORE sy-vline 
WA_PAR53_STR-REMAT sy-vline 
WA_PAR53_STR-RRECT sy-vline 
WA_PAR53_STR-REIM9 sy-vline 
WA_PAR53_STR-PERDT sy-vline 
WA_PAR53_STR-WKHRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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