ABAP Select data from SAP table PID_HIDCTAX1_FORM_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PID_HIDCTAX1_FORM_STR 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 PID_HIDCTAX1_FORM_STR. 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 PID_HIDCTAX1_FORM_STR 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_PID_HIDCTAX1_FORM_STR TYPE STANDARD TABLE OF PID_HIDCTAX1_FORM_STR,
      WA_PID_HIDCTAX1_FORM_STR TYPE PID_HIDCTAX1_FORM_STR,
      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: <PID_HIDCTAX1_FORM_STR> TYPE PID_HIDCTAX1_FORM_STR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PID_HIDCTAX1_FORM_STR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PID_HIDCTAX1_FORM_STR
  INTO TABLE IT_PID_HIDCTAX1_FORM_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PID_HIDCTAX1_FORM_STR
*  INTO TABLE @DATA(IT_PID_HIDCTAX1_FORM_STR2).
*--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_PID_HIDCTAX1_FORM_STR INDEX 1 INTO DATA(WA_PID_HIDCTAX1_FORM_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PID_HIDCTAX1_FORM_STR ASSIGNING <PID_HIDCTAX1_FORM_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PID_HIDCTAX1_FORM_STR>-HEADER = 1.
<PID_HIDCTAX1_FORM_STR>-YEAR1 = 1.
<PID_HIDCTAX1_FORM_STR>-SPEC_NO = 1.
<PID_HIDCTAX1_FORM_STR>-COMP_NAME = 1.
<PID_HIDCTAX1_FORM_STR>-COMP_TAXID = 1.

ENDLOOP.

LOOP AT IT_PID_HIDCTAX1_FORM_STR INTO WA_PID_HIDCTAX1_FORM_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PID_HIDCTAX1_FORM_STR-COMP_ADDRESS, sy-vline,
  WA_PID_HIDCTAX1_FORM_STR-COMP_ADDRESS1, sy-vline,
  WA_PID_HIDCTAX1_FORM_STR-CITY, sy-vline,
  WA_PID_HIDCTAX1_FORM_STR-EMP_NAME, sy-vline,
  WA_PID_HIDCTAX1_FORM_STR-EMP_TAXID, sy-vline,
  WA_PID_HIDCTAX1_FORM_STR-EMP_ADDRESS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PID_HIDCTAX1_FORM_STR 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_PID_HIDCTAX1_FORM_STR 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_PID_HIDCTAX1_FORM_STR INTO WA_PID_HIDCTAX1_FORM_STR.


*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_PID_HIDCTAX1_FORM_STR_STR, 
HEADER TYPE STRING,
YEAR1 TYPE STRING,
SPEC_NO TYPE STRING,
COMP_NAME TYPE STRING,
COMP_TAXID TYPE STRING,
COMP_ADDRESS TYPE STRING,
COMP_ADDRESS1 TYPE STRING,
CITY TYPE STRING,
EMP_NAME TYPE STRING,
EMP_TAXID TYPE STRING,
EMP_ADDRESS TYPE STRING,
EMP_ADDRESS1 TYPE STRING,
EMP_POSITION TYPE STRING,
MARRIED TYPE STRING,
UNMARRIED TYPE STRING,
MALE TYPE STRING,
FEMALE TYPE STRING,
DEPENDENTS TYPE STRING,
SALARY TYPE STRING,
IT_ALLOWANCE TYPE STRING,
OTHER_ALLOWANCES TYPE STRING,
FEES TYPE STRING,
ER_CONTRIBUTIONS TYPE STRING,
BENEFIT TYPE STRING,
TOTAL_1_6 TYPE STRING,
IRREG_INCOME TYPE STRING,
TOTAL_GROSS TYPE STRING,
FCOST_REG TYPE STRING,
FCOST_IRR TYPE STRING,
PRE_TAX_DED TYPE STRING,
TOTAL_DED TYPE STRING,
TOTAL_NET TYPE STRING,
PREV_NET TYPE STRING,
ANNUAL_NET TYPE STRING,
PTKP_INC TYPE STRING,
INC_ANN TYPE STRING,
INC_TAX TYPE STRING,
PREV_TAX TYPE STRING,
TAX_OWED TYPE STRING,
GOVT_SUBS TYPE STRING,
TAX_CUT TYPE STRING,
TAX_PAID TYPE STRING,
UNDER_DED TYPE STRING,
OVER_DED TYPE STRING,
PER_UNDER_DED TYPE STRING,
PER_OVER_DED TYPE STRING,
FOREIGNER TYPE STRING,
PERIOD TYPE STRING,
GDATE TYPE STRING,
DIRECTOR TYPE STRING,
TELE_NUM TYPE STRING,
TOTEMP TYPE STRING,
TAXOWED TYPE STRING,
TOTGROSS TYPE STRING,
TOTEMP3 TYPE STRING,
TAXOWED3 TYPE STRING,
TOTGROSS3 TYPE STRING,
GOV_SUB TYPE STRING,
TAXCUT TYPE STRING,
PERSTXID TYPE STRING,
PERSNOID TYPE STRING,
TOTAL TYPE STRING,
TOTALB TYPE STRING,
TOTCOLA TYPE STRING,
TOTCOLB TYPE STRING,
TOTGROS TYPE STRING,
ITCOLA TYPE STRING,
TOTGOV TYPE STRING,
DETAIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PID_HIDCTAX1_FORM_STR_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_PID_HIDCTAX1_FORM_STR_STR-HEADER sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-YEAR1 sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-SPEC_NO sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-COMP_NAME sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-COMP_TAXID sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-COMP_ADDRESS sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-COMP_ADDRESS1 sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-CITY sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-EMP_NAME sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-EMP_TAXID sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-EMP_ADDRESS sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-EMP_ADDRESS1 sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-EMP_POSITION sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-MARRIED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-UNMARRIED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-MALE sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-FEMALE sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-DEPENDENTS sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-SALARY sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-IT_ALLOWANCE sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-OTHER_ALLOWANCES sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-FEES sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-ER_CONTRIBUTIONS sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-BENEFIT sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTAL_1_6 sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-IRREG_INCOME sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTAL_GROSS sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-FCOST_REG sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-FCOST_IRR sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-PRE_TAX_DED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTAL_DED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTAL_NET sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-PREV_NET sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-ANNUAL_NET sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-PTKP_INC sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-INC_ANN sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-INC_TAX sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-PREV_TAX sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TAX_OWED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-GOVT_SUBS sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TAX_CUT sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TAX_PAID sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-UNDER_DED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-OVER_DED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-PER_UNDER_DED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-PER_OVER_DED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-FOREIGNER sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-PERIOD sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-GDATE sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-DIRECTOR sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TELE_NUM sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTEMP sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TAXOWED sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTGROSS sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTEMP3 sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TAXOWED3 sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTGROSS3 sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-GOV_SUB sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TAXCUT sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-PERSTXID sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-PERSNOID sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTAL sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTALB sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTCOLA sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTCOLB sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTGROS sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-ITCOLA sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-TOTGOV sy-vline 
WA_PID_HIDCTAX1_FORM_STR_STR-DETAIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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