ABAP Select data from SAP table PSHLP_ACTY_ALV_ST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSHLP_ACTY_ALV_ST
*  INTO TABLE @DATA(IT_PSHLP_ACTY_ALV_ST2).
*--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_PSHLP_ACTY_ALV_ST INDEX 1 INTO DATA(WA_PSHLP_ACTY_ALV_ST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSHLP_ACTY_ALV_ST>-OBJNR = 1.
<PSHLP_ACTY_ALV_ST>-VORNR = 1.
<PSHLP_ACTY_ALV_ST>-IND_INT = 1.
<PSHLP_ACTY_ALV_ST>-IND_EXT = 1.
<PSHLP_ACTY_ALV_ST>-IND_SERVICE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSHLP_ACTY_ALV_ST-IND_COST, sy-vline,
  WA_PSHLP_ACTY_ALV_ST-LTXA1, sy-vline,
  WA_PSHLP_ACTY_ALV_ST-PROJN, sy-vline,
  WA_PSHLP_ACTY_ALV_ST-CLASF, sy-vline,
  WA_PSHLP_ACTY_ALV_ST-NPRIO, sy-vline,
  WA_PSHLP_ACTY_ALV_ST-FRSP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSHLP_ACTY_ALV_ST 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_PSHLP_ACTY_ALV_ST 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_PSHLP_ACTY_ALV_ST INTO WA_PSHLP_ACTY_ALV_ST.


*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 NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PSHLP_ACTY_ALV_ST-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSHLP_ACTY_ALV_ST-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROJN
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_PSHLP_ACTY_ALV_ST-PROJN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSHLP_ACTY_ALV_ST-PROJN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BEAZE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSHLP_ACTY_ALV_ST-BEAZE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSHLP_ACTY_ALV_ST-BEAZE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ARBEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSHLP_ACTY_ALV_ST-ARBEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSHLP_ACTY_ALV_ST-ARBEH.
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_PSHLP_ACTY_ALV_ST_STR, 
OBJNR TYPE STRING,
VORNR TYPE STRING,
IND_INT TYPE STRING,
IND_EXT TYPE STRING,
IND_SERVICE TYPE STRING,
IND_COST TYPE STRING,
LTXA1 TYPE STRING,
PROJN TYPE STRING,
CLASF TYPE STRING,
NPRIO TYPE STRING,
FRSP TYPE STRING,
DDEHN TYPE STRING,
ISMNW TYPE STRING,
DABEA TYPE STRING,
BEAZE TYPE STRING,
ARBEI TYPE STRING,
ARBEH TYPE STRING,
PUFGS TYPE STRING,
PUFFR TYPE STRING,
KALID TYPE STRING,
RFPNT TYPE STRING,
CELLTAB TYPE STRING,
COLOR_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSHLP_ACTY_ALV_ST_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_PSHLP_ACTY_ALV_ST_STR-OBJNR sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-VORNR sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-IND_INT sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-IND_EXT sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-IND_SERVICE sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-IND_COST sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-LTXA1 sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-PROJN sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-CLASF sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-NPRIO sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-FRSP sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-DDEHN sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-ISMNW sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-DABEA sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-BEAZE sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-ARBEI sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-ARBEH sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-PUFGS sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-PUFFR sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-KALID sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-RFPNT sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-CELLTAB sy-vline 
WA_PSHLP_ACTY_ALV_ST_STR-COLOR_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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