ABAP Select data from SAP table HRCUSCL_GARNISHMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRCUSCL_GARNISHMENT
*  INTO TABLE @DATA(IT_HRCUSCL_GARNISHMENT2).
*--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_HRCUSCL_GARNISHMENT INDEX 1 INTO DATA(WA_HRCUSCL_GARNISHMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRCUSCL_GARNISHMENT>-CONTROLLER = 1.
<HRCUSCL_GARNISHMENT>-ADDITIONAL_EXEMPT_AMOUNT = 1.
<HRCUSCL_GARNISHMENT>-ADDITIONAL_STANDARD_DEDUCTION = 1.
<HRCUSCL_GARNISHMENT>-ANNUAL_SALARY = 1.
<HRCUSCL_GARNISHMENT>-AUTHORITY_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRCUSCL_GARNISHMENT-BSI_VARIANT, sy-vline,
  WA_HRCUSCL_GARNISHMENT-CRSVD0, sy-vline,
  WA_HRCUSCL_GARNISHMENT-CRSVD1, sy-vline,
  WA_HRCUSCL_GARNISHMENT-CALCULATED_AMOUNT, sy-vline,
  WA_HRCUSCL_GARNISHMENT-CASE_ID, sy-vline,
  WA_HRCUSCL_GARNISHMENT-CONSENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRCUSCL_GARNISHMENT 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_HRCUSCL_GARNISHMENT 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_HRCUSCL_GARNISHMENT INTO WA_HRCUSCL_GARNISHMENT.


*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_HRCUSCL_GARNISHMENT_STR, 
CONTROLLER TYPE STRING,
ADDITIONAL_EXEMPT_AMOUNT TYPE STRING,
ADDITIONAL_STANDARD_DEDUCTION TYPE STRING,
ANNUAL_SALARY TYPE STRING,
AUTHORITY_CODE TYPE STRING,
BSI_VARIANT TYPE STRING,
CRSVD0 TYPE STRING,
CRSVD1 TYPE STRING,
CALCULATED_AMOUNT TYPE STRING,
CASE_ID TYPE STRING,
CONSENT TYPE STRING,
DRSVD0 TYPE STRING,
DRSVD1 TYPE STRING,
DATE_OF_ARREARS_YYYYMMDD TYPE STRING,
DISPOSABLE_EARNINGS TYPE STRING,
EXEMPT_AMOUNT TYPE STRING,
FILING_STATUS TYPE STRING,
FORMULA_NUMBER TYPE STRING,
GARNISHMENT_CAP TYPE STRING,
GARNISHMENT_DURATION TYPE STRING,
GARNISHMENT_END_DATE_YYYYMMDD TYPE STRING,
GARNISHMENT_EXEMPTION TYPE STRING,
GARNISHMENT_LIMIT_IND TYPE STRING,
GARNISHMENT_METHOD TYPE STRING,
GARNISHMENT_RECEIVED_DATE_YYYY TYPE STRING,
GARNISHMENT_START_DATE_YYYYMMD TYPE STRING,
GARNISHMENT_STATUS TYPE STRING,
HRSVD0 TYPE STRING,
HRSVD1 TYPE STRING,
HAS_SOE TYPE STRING,
HEAD_OF_FAMILY TYPE STRING,
IS_DELINQUENT TYPE STRING,
LUMP_SUM_IND TYPE STRING,
MTD_DISPOSABLE_EARNINGS TYPE STRING,
MTD_GARNISHMENT TYPE STRING,
MTD_WAGES TYPE STRING,
NUMBER_OF_DEPENDENT_CHILDREN TYPE STRING,
NUMBER_OF_DEPENDENTS TYPE STRING,
NUMBER_OF_EXEMPTIONS TYPE STRING,
NUMBER_OF_PERIODS_FOR_PAYMENT TYPE STRING,
ORDERED_AMOUNT_FLAG TYPE STRING,
ORDERED_DOLLAR_AMOUNT TYPE STRING,
ORDERED_PERCENTAGE TYPE STRING,
PAYMENT_NUMBER TYPE STRING,
PERCENT_TO_WITHHOLD TYPE STRING,
PPT_DGARNISHMENT TYPE STRING,
PRIOR_AMOUNT TYPE STRING,
PRIORITY_OVERRIDE TYPE STRING,
QTD_GARNISHMENT TYPE STRING,
RRSVD0 TYPE STRING,
RRSVD1 TYPE STRING,
ROUNDING_INDICATOR TYPE STRING,
SRSVD0 TYPE STRING,
SRSVD1 TYPE STRING,
SECOND_FAMILY TYPE STRING,
STATE_OF_ISSUE TYPE STRING,
TAX_TYPE TYPE STRING,
TYPE_OF_DEBT TYPE STRING,
USE_FEDERAL_LIMIT TYPE STRING,
USER_TAX_TYPE TYPE STRING,
VOCATION TYPE STRING,
YTD_DISPOSABLE_EARNINGS TYPE STRING,
YTD_GARNISHMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRCUSCL_GARNISHMENT_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_HRCUSCL_GARNISHMENT_STR-CONTROLLER sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-ADDITIONAL_EXEMPT_AMOUNT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-ADDITIONAL_STANDARD_DEDUCTION sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-ANNUAL_SALARY sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-AUTHORITY_CODE sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-BSI_VARIANT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-CRSVD0 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-CRSVD1 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-CALCULATED_AMOUNT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-CASE_ID sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-CONSENT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-DRSVD0 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-DRSVD1 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-DATE_OF_ARREARS_YYYYMMDD sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-DISPOSABLE_EARNINGS sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-EXEMPT_AMOUNT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-FILING_STATUS sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-FORMULA_NUMBER sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-GARNISHMENT_CAP sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-GARNISHMENT_DURATION sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-GARNISHMENT_END_DATE_YYYYMMDD sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-GARNISHMENT_EXEMPTION sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-GARNISHMENT_LIMIT_IND sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-GARNISHMENT_METHOD sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-GARNISHMENT_RECEIVED_DATE_YYYY sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-GARNISHMENT_START_DATE_YYYYMMD sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-GARNISHMENT_STATUS sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-HRSVD0 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-HRSVD1 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-HAS_SOE sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-HEAD_OF_FAMILY sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-IS_DELINQUENT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-LUMP_SUM_IND sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-MTD_DISPOSABLE_EARNINGS sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-MTD_GARNISHMENT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-MTD_WAGES sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-NUMBER_OF_DEPENDENT_CHILDREN sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-NUMBER_OF_DEPENDENTS sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-NUMBER_OF_EXEMPTIONS sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-NUMBER_OF_PERIODS_FOR_PAYMENT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-ORDERED_AMOUNT_FLAG sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-ORDERED_DOLLAR_AMOUNT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-ORDERED_PERCENTAGE sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-PAYMENT_NUMBER sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-PERCENT_TO_WITHHOLD sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-PPT_DGARNISHMENT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-PRIOR_AMOUNT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-PRIORITY_OVERRIDE sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-QTD_GARNISHMENT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-RRSVD0 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-RRSVD1 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-ROUNDING_INDICATOR sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-SRSVD0 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-SRSVD1 sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-SECOND_FAMILY sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-STATE_OF_ISSUE sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-TAX_TYPE sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-TYPE_OF_DEBT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-USE_FEDERAL_LIMIT sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-USER_TAX_TYPE sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-VOCATION sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-YTD_DISPOSABLE_EARNINGS sy-vline 
WA_HRCUSCL_GARNISHMENT_STR-YTD_GARNISHMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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