ABAP Select data from SAP table ACRS_PH_VAT_ISL_CSV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACRS_PH_VAT_ISL_CSV
*  INTO TABLE @DATA(IT_ACRS_PH_VAT_ISL_CSV2).
*--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_ACRS_PH_VAT_ISL_CSV INDEX 1 INTO DATA(WA_ACRS_PH_VAT_ISL_CSV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACRS_PH_VAT_ISL_CSV>-HEADER = 1.
<ACRS_PH_VAT_ISL_CSV>-COMPANY_LABEL = 1.
<ACRS_PH_VAT_ISL_CSV>-COMPANYNAME = 1.
<ACRS_PH_VAT_ISL_CSV>-ADDRESS_LABEL = 1.
<ACRS_PH_VAT_ISL_CSV>-ADDRESS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACRS_PH_VAT_ISL_CSV-TINNUMBER_LABEL, sy-vline,
  WA_ACRS_PH_VAT_ISL_CSV-TINNUMBER, sy-vline,
  WA_ACRS_PH_VAT_ISL_CSV-SOFTWAREVERSIONLABEL, sy-vline,
  WA_ACRS_PH_VAT_ISL_CSV-SOFTWARE_VERSION, sy-vline,
  WA_ACRS_PH_VAT_ISL_CSV-REP_PERIOD_LABEL, sy-vline,
  WA_ACRS_PH_VAT_ISL_CSV-REP_PERIOD_START, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACRS_PH_VAT_ISL_CSV 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_ACRS_PH_VAT_ISL_CSV 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_ACRS_PH_VAT_ISL_CSV INTO WA_ACRS_PH_VAT_ISL_CSV.


*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_ACRS_PH_VAT_ISL_CSV_STR, 
HEADER TYPE STRING,
COMPANY_LABEL TYPE STRING,
COMPANYNAME TYPE STRING,
ADDRESS_LABEL TYPE STRING,
ADDRESS TYPE STRING,
TINNUMBER_LABEL TYPE STRING,
TINNUMBER TYPE STRING,
SOFTWAREVERSIONLABEL TYPE STRING,
SOFTWARE_VERSION TYPE STRING,
REP_PERIOD_LABEL TYPE STRING,
REP_PERIOD_START TYPE STRING,
REP_PERIOD_END TYPE STRING,
PERMITNUMBER_L TYPE STRING,
PERMIT_NUMBER TYPE STRING,
REP_TIME_LABEL TYPE STRING,
REP_TIME TYPE STRING,
LABEL TYPE STRING,
PH_INDICATOR TYPE STRING,
IMPORTENTRY TYPE STRING,
ASSESSMENTDATE TYPE STRING,
SUPPLIERNAME TYPE STRING,
IMPORTATIONDATE TYPE STRING,
IMPORTATIONCOUNTRY TYPE STRING,
DUTIABLEVALUE TYPE STRING,
CHARGES TYPE STRING,
EXEMPTAMOUNT TYPE STRING,
TAXABLEGOODS TYPE STRING,
VATPAYABLE TYPE STRING,
ORNUMBER TYPE STRING,
PAYMENTDATE TYPE STRING,
TINOFOWNER TYPE STRING,
TAXABLEMOUNTH TYPE STRING,
DATEOFPOSTING TYPE STRING,
FISCALYEAR TYPE STRING,
RDOCODE TYPE STRING,
SUPPLIERADDRESS1 TYPE STRING,
SUPPLIERADDRESS2 TYPE STRING,
SUPPLIERCITYANDCOUNTRY TYPE STRING,
SUPPLIERTIN TYPE STRING,
LANDEDCOSTAMOUNT TYPE STRING,
FISCALYEARENDING TYPE STRING,
VATRATE TYPE STRING,
TABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACRS_PH_VAT_ISL_CSV_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_ACRS_PH_VAT_ISL_CSV_STR-HEADER sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-COMPANY_LABEL sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-COMPANYNAME sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-ADDRESS_LABEL sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-ADDRESS sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-TINNUMBER_LABEL sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-TINNUMBER sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-SOFTWAREVERSIONLABEL sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-SOFTWARE_VERSION sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-REP_PERIOD_LABEL sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-REP_PERIOD_START sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-REP_PERIOD_END sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-PERMITNUMBER_L sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-PERMIT_NUMBER sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-REP_TIME_LABEL sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-REP_TIME sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-LABEL sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-PH_INDICATOR sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-IMPORTENTRY sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-ASSESSMENTDATE sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-SUPPLIERNAME sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-IMPORTATIONDATE sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-IMPORTATIONCOUNTRY sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-DUTIABLEVALUE sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-CHARGES sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-EXEMPTAMOUNT sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-TAXABLEGOODS sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-VATPAYABLE sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-ORNUMBER sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-PAYMENTDATE sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-TINOFOWNER sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-TAXABLEMOUNTH sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-DATEOFPOSTING sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-FISCALYEAR sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-RDOCODE sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-SUPPLIERADDRESS1 sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-SUPPLIERADDRESS2 sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-SUPPLIERCITYANDCOUNTRY sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-SUPPLIERTIN sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-LANDEDCOSTAMOUNT sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-FISCALYEARENDING sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-VATRATE sy-vline 
WA_ACRS_PH_VAT_ISL_CSV_STR-TABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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