ABAP Select data from SAP table PUAIX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PUAIX
*  INTO TABLE @DATA(IT_PUAIX2).
*--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_PUAIX INDEX 1 INTO DATA(WA_PUAIX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PUAIX>-PERNR = 1.
<PUAIX>-APZNR = 1.
<PUAIX>-BEGDA = 1.
<PUAIX>-ENDDA = 1.
<PUAIX>-MASSN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PUAIX-MASSG, sy-vline,
  WA_PUAIX-STAT1, sy-vline,
  WA_PUAIX-STAT2, sy-vline,
  WA_PUAIX-STAT3, sy-vline,
  WA_PUAIX-AKTIVJN, sy-vline,
  WA_PUAIX-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PUAIX 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_PUAIX 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_PUAIX INTO WA_PUAIX.


*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 ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PUAIX-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PUAIX-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PUAIX-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PUAIX-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SGMNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PUAIX-SGMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PUAIX-SGMNT.
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_PUAIX_STR, 
PERNR TYPE STRING,
APZNR TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
MASSN TYPE STRING,
MASSG TYPE STRING,
STAT1 TYPE STRING,
STAT2 TYPE STRING,
STAT3 TYPE STRING,
AKTIVJN TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
KOSTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
ABART TYPE STRING,
PLANS TYPE STRING,
GSBER TYPE STRING,
VDSK1 TYPE STRING,
ANSVH TYPE STRING,
ORGEH TYPE STRING,
STELL TYPE STRING,
ZTERF TYPE STRING,
SCHKZ TYPE STRING,
EMPCT TYPE STRING,
KSOLL TYPE STRING,
ASOLL TYPE STRING,
SSOLL TYPE STRING,
KDIVI TYPE STRING,
ADIVI TYPE STRING,
SDIVI TYPE STRING,
DIVGV TYPE STRING,
BSGRD TYPE STRING,
TRFAR TYPE STRING,
TRFGB TYPE STRING,
TRFGR TYPE STRING,
TRFST TYPE STRING,
KOSTVJN TYPE STRING,
DYSCH TYPE STRING,
ARBST TYPE STRING,
WKWDY TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
SGMNT TYPE STRING,
BUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PUAIX_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_PUAIX_STR-PERNR sy-vline 
WA_PUAIX_STR-APZNR sy-vline 
WA_PUAIX_STR-BEGDA sy-vline 
WA_PUAIX_STR-ENDDA sy-vline 
WA_PUAIX_STR-MASSN sy-vline 
WA_PUAIX_STR-MASSG sy-vline 
WA_PUAIX_STR-STAT1 sy-vline 
WA_PUAIX_STR-STAT2 sy-vline 
WA_PUAIX_STR-STAT3 sy-vline 
WA_PUAIX_STR-AKTIVJN sy-vline 
WA_PUAIX_STR-BUKRS sy-vline 
WA_PUAIX_STR-WERKS sy-vline 
WA_PUAIX_STR-BTRTL sy-vline 
WA_PUAIX_STR-KOSTL sy-vline 
WA_PUAIX_STR-PERSG sy-vline 
WA_PUAIX_STR-PERSK sy-vline 
WA_PUAIX_STR-ABART sy-vline 
WA_PUAIX_STR-PLANS sy-vline 
WA_PUAIX_STR-GSBER sy-vline 
WA_PUAIX_STR-VDSK1 sy-vline 
WA_PUAIX_STR-ANSVH sy-vline 
WA_PUAIX_STR-ORGEH sy-vline 
WA_PUAIX_STR-STELL sy-vline 
WA_PUAIX_STR-ZTERF sy-vline 
WA_PUAIX_STR-SCHKZ sy-vline 
WA_PUAIX_STR-EMPCT sy-vline 
WA_PUAIX_STR-KSOLL sy-vline 
WA_PUAIX_STR-ASOLL sy-vline 
WA_PUAIX_STR-SSOLL sy-vline 
WA_PUAIX_STR-KDIVI sy-vline 
WA_PUAIX_STR-ADIVI sy-vline 
WA_PUAIX_STR-SDIVI sy-vline 
WA_PUAIX_STR-DIVGV sy-vline 
WA_PUAIX_STR-BSGRD sy-vline 
WA_PUAIX_STR-TRFAR sy-vline 
WA_PUAIX_STR-TRFGB sy-vline 
WA_PUAIX_STR-TRFGR sy-vline 
WA_PUAIX_STR-TRFST sy-vline 
WA_PUAIX_STR-KOSTVJN sy-vline 
WA_PUAIX_STR-DYSCH sy-vline 
WA_PUAIX_STR-ARBST sy-vline 
WA_PUAIX_STR-WKWDY sy-vline 
WA_PUAIX_STR-FISTL sy-vline 
WA_PUAIX_STR-GEBER sy-vline 
WA_PUAIX_STR-FKBER sy-vline 
WA_PUAIX_STR-GRANT_NBR sy-vline 
WA_PUAIX_STR-SGMNT sy-vline 
WA_PUAIX_STR-BUDGET_PD sy-vline      INTO ld_text SEPARATED BY SPACE.

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