ABAP Select data from SAP table PA0746 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PA0746 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 PA0746. 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 PA0746 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_PA0746 TYPE STANDARD TABLE OF PA0746,
      WA_PA0746 TYPE PA0746,
      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: <PA0746> TYPE PA0746.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PA0746.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PA0746
  INTO TABLE IT_PA0746.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PA0746
*  INTO TABLE @DATA(IT_PA07462).
*--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_PA0746 INDEX 1 INTO DATA(WA_PA07462).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PA0746 ASSIGNING <PA0746>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PA0746>-MANDT = 1.
<PA0746>-PERNR = 1.
<PA0746>-SUBTY = 1.
<PA0746>-OBJPS = 1.
<PA0746>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PA0746 INTO WA_PA0746.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PA0746-ENDDA, sy-vline,
  WA_PA0746-BEGDA, sy-vline,
  WA_PA0746-SEQNR, sy-vline,
  WA_PA0746-AEDTM, sy-vline,
  WA_PA0746-UNAME, sy-vline,
  WA_PA0746-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PA0746 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_PA0746 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_PA0746 INTO WA_PA0746.


*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 PDATE, internal->external for field GBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PA0746-GBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PA0746-GBDAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PDATE, internal->external for field FGBDT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PA0746-FGBDT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PA0746-FGBDT.
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_PA0746_STR, 
MANDT TYPE STRING,
PERNR TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
AVFMA TYPE STRING,
ZBRCH TYPE STRING,
FZAMT TYPE STRING,
STRNR TYPE STRING,
ZUNRA TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
NAME2 TYPE STRING,
GBDAT TYPE STRING,
GBORT TYPE STRING,
STRAS TYPE STRING,
HSNMR TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
LAND1 TYPE STRING,
ZUNRE TYPE STRING,
FANAM TYPE STRING,
FAVOR TYPE STRING,
FGBNA TYPE STRING,
FGBDT TYPE STRING,
FGBOT TYPE STRING,
ZULAA TYPE STRING,
BEAMT TYPE STRING,
KNZLF TYPE STRING,
EINLF TYPE STRING,
WAELF TYPE STRING,
KIZUA TYPE STRING,
GESCH TYPE STRING,
NATIO TYPE STRING,
TITEL TYPE STRING,
VORSW TYPE STRING,
NAMZU TYPE STRING,
ANTDA TYPE STRING,
EINDA TYPE STRING,
FASEX TYPE STRING,
FANAT TYPE STRING,
FRVSW TYPE STRING,
FNMZU TYPE STRING,
FTITL TYPE STRING,
TELNR TYPE STRING,
SIDNR TYPE STRING,
FSDNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PA0746_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_PA0746_STR-MANDT sy-vline 
WA_PA0746_STR-PERNR sy-vline 
WA_PA0746_STR-SUBTY sy-vline 
WA_PA0746_STR-OBJPS sy-vline 
WA_PA0746_STR-SPRPS sy-vline 
WA_PA0746_STR-ENDDA sy-vline 
WA_PA0746_STR-BEGDA sy-vline 
WA_PA0746_STR-SEQNR sy-vline 
WA_PA0746_STR-AEDTM sy-vline 
WA_PA0746_STR-UNAME sy-vline 
WA_PA0746_STR-HISTO sy-vline 
WA_PA0746_STR-ITXEX sy-vline 
WA_PA0746_STR-REFEX sy-vline 
WA_PA0746_STR-ORDEX sy-vline 
WA_PA0746_STR-ITBLD sy-vline 
WA_PA0746_STR-PREAS sy-vline 
WA_PA0746_STR-FLAG1 sy-vline 
WA_PA0746_STR-FLAG2 sy-vline 
WA_PA0746_STR-FLAG3 sy-vline 
WA_PA0746_STR-FLAG4 sy-vline 
WA_PA0746_STR-RESE1 sy-vline 
WA_PA0746_STR-RESE2 sy-vline 
WA_PA0746_STR-GRPVL sy-vline 
WA_PA0746_STR-AVFMA sy-vline 
WA_PA0746_STR-ZBRCH sy-vline 
WA_PA0746_STR-FZAMT sy-vline 
WA_PA0746_STR-STRNR sy-vline 
WA_PA0746_STR-ZUNRA sy-vline 
WA_PA0746_STR-NACHN sy-vline 
WA_PA0746_STR-VORNA sy-vline 
WA_PA0746_STR-NAME2 sy-vline 
WA_PA0746_STR-GBDAT sy-vline 
WA_PA0746_STR-GBORT sy-vline 
WA_PA0746_STR-STRAS sy-vline 
WA_PA0746_STR-HSNMR sy-vline 
WA_PA0746_STR-PSTLZ sy-vline 
WA_PA0746_STR-ORT01 sy-vline 
WA_PA0746_STR-LAND1 sy-vline 
WA_PA0746_STR-ZUNRE sy-vline 
WA_PA0746_STR-FANAM sy-vline 
WA_PA0746_STR-FAVOR sy-vline 
WA_PA0746_STR-FGBNA sy-vline 
WA_PA0746_STR-FGBDT sy-vline 
WA_PA0746_STR-FGBOT sy-vline 
WA_PA0746_STR-ZULAA sy-vline 
WA_PA0746_STR-BEAMT sy-vline 
WA_PA0746_STR-KNZLF sy-vline 
WA_PA0746_STR-EINLF sy-vline 
WA_PA0746_STR-WAELF sy-vline 
WA_PA0746_STR-KIZUA sy-vline 
WA_PA0746_STR-GESCH sy-vline 
WA_PA0746_STR-NATIO sy-vline 
WA_PA0746_STR-TITEL sy-vline 
WA_PA0746_STR-VORSW sy-vline 
WA_PA0746_STR-NAMZU sy-vline 
WA_PA0746_STR-ANTDA sy-vline 
WA_PA0746_STR-EINDA sy-vline 
WA_PA0746_STR-FASEX sy-vline 
WA_PA0746_STR-FANAT sy-vline 
WA_PA0746_STR-FRVSW sy-vline 
WA_PA0746_STR-FNMZU sy-vline 
WA_PA0746_STR-FTITL sy-vline 
WA_PA0746_STR-TELNR sy-vline 
WA_PA0746_STR-SIDNR sy-vline 
WA_PA0746_STR-FSDNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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