ABAP Select data from SAP table PZASTRPTXBOX2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PZASTRPTXBOX2 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 PZASTRPTXBOX2. 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 PZASTRPTXBOX2 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_PZASTRPTXBOX2 TYPE STANDARD TABLE OF PZASTRPTXBOX2,
      WA_PZASTRPTXBOX2 TYPE PZASTRPTXBOX2,
      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: <PZASTRPTXBOX2> TYPE PZASTRPTXBOX2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PZASTRPTXBOX2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PZASTRPTXBOX2
  INTO TABLE IT_PZASTRPTXBOX2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PZASTRPTXBOX2
*  INTO TABLE @DATA(IT_PZASTRPTXBOX22).
*--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_PZASTRPTXBOX2 INDEX 1 INTO DATA(WA_PZASTRPTXBOX22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PZASTRPTXBOX2 ASSIGNING <PZASTRPTXBOX2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PZASTRPTXBOX2>-MANDT = 1.
<PZASTRPTXBOX2>-COMPANYCODE = 1.
<PZASTRPTXBOX2>-STATRYRPTGENTITY = 1.
<PZASTRPTXBOX2>-STATRYRPTCATEGORY = 1.
<PZASTRPTXBOX2>-STATRYRPTRUNID = 1.

ENDLOOP.

LOOP AT IT_PZASTRPTXBOX2 INTO WA_PZASTRPTXBOX2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PZASTRPTXBOX2-TAXDECLNAMOUNTTYPE, sy-vline,
  WA_PZASTRPTXBOX2-TAXITEMGROUPINGVERSION, sy-vline,
  WA_PZASTRPTXBOX2-TAXBOXSTRUCTURE, sy-vline,
  WA_PZASTRPTXBOX2-TAXBOX, sy-vline,
  WA_PZASTRPTXBOX2-TOTALGROSSAMOUNTINRPTGCRCY01, sy-vline,
  WA_PZASTRPTXBOX2-TOTALGROSSAMOUNTINRPTGCRCY02, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PZASTRPTXBOX2 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_PZASTRPTXBOX2 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_PZASTRPTXBOX2 INTO WA_PZASTRPTXBOX2.


*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 AC172, internal->external for field TAXAMOUNT15
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_PZASTRPTXBOX2-TAXAMOUNT15
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PZASTRPTXBOX2-TAXAMOUNT15.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field TAXAMOUNT23
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_PZASTRPTXBOX2-TAXAMOUNT23
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PZASTRPTXBOX2-TAXAMOUNT23.
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_PZASTRPTXBOX2_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
TAXDECLNAMOUNTTYPE TYPE STRING,
TAXITEMGROUPINGVERSION TYPE STRING,
TAXBOXSTRUCTURE TYPE STRING,
TAXBOX TYPE STRING,
TOTALGROSSAMOUNTINRPTGCRCY01 TYPE STRING,
TOTALGROSSAMOUNTINRPTGCRCY02 TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY03 TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY04 TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY05 TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
TAXAMOUNTINRPTGCRCY TYPE STRING,
TAXAMOUNT01 TYPE STRING,
TAXAMOUNT02 TYPE STRING,
TAXBASEAMOUNT08 TYPE STRING,
TAXBASEAMOUNT60 TYPE STRING,
TAXBASEAMOUNT10 TYPE STRING,
TAXAMOUNT13 TYPE STRING,
TAXBASEAMOUNT13 TYPE STRING,
TAXAMOUNT15 TYPE STRING,
TAXAMOUNT17 TYPE STRING,
TAXAMOUNT18 TYPE STRING,
TAXAMOUNT19 TYPE STRING,
TAXAMOUNT20 TYPE STRING,
TAXAMOUNT21 TYPE STRING,
TAXAMOUNT22 TYPE STRING,
TAXAMOUNT23 TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
TOTALSUPPLYOFACCOMMODATION TYPE STRING,
TAXRATE08 TYPE STRING,
TOTALINPUTTAX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PZASTRPTXBOX2_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_PZASTRPTXBOX2_STR-MANDT sy-vline 
WA_PZASTRPTXBOX2_STR-COMPANYCODE sy-vline 
WA_PZASTRPTXBOX2_STR-STATRYRPTGENTITY sy-vline 
WA_PZASTRPTXBOX2_STR-STATRYRPTCATEGORY sy-vline 
WA_PZASTRPTXBOX2_STR-STATRYRPTRUNID sy-vline 
WA_PZASTRPTXBOX2_STR-TAXDECLNAMOUNTTYPE sy-vline 
WA_PZASTRPTXBOX2_STR-TAXITEMGROUPINGVERSION sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBOXSTRUCTURE sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBOX sy-vline 
WA_PZASTRPTXBOX2_STR-TOTALGROSSAMOUNTINRPTGCRCY01 sy-vline 
WA_PZASTRPTXBOX2_STR-TOTALGROSSAMOUNTINRPTGCRCY02 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBASEAMOUNTINRPTGCRCY03 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBASEAMOUNTINRPTGCRCY04 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBASEAMOUNTINRPTGCRCY05 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNTINRPTGCRCY sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT01 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT02 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBASEAMOUNT08 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBASEAMOUNT60 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBASEAMOUNT10 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT13 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXBASEAMOUNT13 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT15 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT17 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT18 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT19 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT20 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT21 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT22 sy-vline 
WA_PZASTRPTXBOX2_STR-TAXAMOUNT23 sy-vline 
WA_PZASTRPTXBOX2_STR-REPORTINGCURRENCY sy-vline 
WA_PZASTRPTXBOX2_STR-TOTALSUPPLYOFACCOMMODATION sy-vline 
WA_PZASTRPTXBOX2_STR-TAXRATE08 sy-vline 
WA_PZASTRPTXBOX2_STR-TOTALINPUTTAX sy-vline      INTO ld_text SEPARATED BY SPACE.

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