ABAP Select data from SAP table ROIUX3_TX_TAXTXN_NONKEY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUX3_TX_TAXTXN_NONKEY 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 ROIUX3_TX_TAXTXN_NONKEY. 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 ROIUX3_TX_TAXTXN_NONKEY 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_ROIUX3_TX_TAXTXN_NONKEY TYPE STANDARD TABLE OF ROIUX3_TX_TAXTXN_NONKEY,
      WA_ROIUX3_TX_TAXTXN_NONKEY TYPE ROIUX3_TX_TAXTXN_NONKEY,
      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: <ROIUX3_TX_TAXTXN_NONKEY> TYPE ROIUX3_TX_TAXTXN_NONKEY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUX3_TX_TAXTXN_NONKEY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUX3_TX_TAXTXN_NONKEY
  INTO TABLE IT_ROIUX3_TX_TAXTXN_NONKEY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUX3_TX_TAXTXN_NONKEY
*  INTO TABLE @DATA(IT_ROIUX3_TX_TAXTXN_NONKEY2).
*--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_ROIUX3_TX_TAXTXN_NONKEY INDEX 1 INTO DATA(WA_ROIUX3_TX_TAXTXN_NONKEY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUX3_TX_TAXTXN_NONKEY ASSIGNING <ROIUX3_TX_TAXTXN_NONKEY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUX3_TX_TAXTXN_NONKEY>-PROD_PURC_IND = 1.
<ROIUX3_TX_TAXTXN_NONKEY>-UNIT_VNAME = 1.
<ROIUX3_TX_TAXTXN_NONKEY>-PAY_FL = 1.
<ROIUX3_TX_TAXTXN_NONKEY>-RPT_FL = 1.
<ROIUX3_TX_TAXTXN_NONKEY>-UOM = 1.

ENDLOOP.

LOOP AT IT_ROIUX3_TX_TAXTXN_NONKEY INTO WA_ROIUX3_TX_TAXTXN_NONKEY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUX3_TX_TAXTXN_NONKEY-LEASE_GROSS_VOL, sy-vline,
  WA_ROIUX3_TX_TAXTXN_NONKEY-GROSS_VOL, sy-vline,
  WA_ROIUX3_TX_TAXTXN_NONKEY-GROSS_VAL, sy-vline,
  WA_ROIUX3_TX_TAXTXN_NONKEY-TAX_VOL, sy-vline,
  WA_ROIUX3_TX_TAXTXN_NONKEY-TAX_VAL, sy-vline,
  WA_ROIUX3_TX_TAXTXN_NONKEY-EXEMPT_VOL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUX3_TX_TAXTXN_NONKEY 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_ROIUX3_TX_TAXTXN_NONKEY 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_ROIUX3_TX_TAXTXN_NONKEY INTO WA_ROIUX3_TX_TAXTXN_NONKEY.


*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 ALPHA, internal->external for field UNIT_VNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUX3_TX_TAXTXN_NONKEY-UNIT_VNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUX3_TX_TAXTXN_NONKEY-UNIT_VNAME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ROIUX3_TX_TAXTXN_NONKEY-UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUX3_TX_TAXTXN_NONKEY-UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OTHER_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUX3_TX_TAXTXN_NONKEY-OTHER_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUX3_TX_TAXTXN_NONKEY-OTHER_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OTHER_SEQ_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUX3_TX_TAXTXN_NONKEY-OTHER_SEQ_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUX3_TX_TAXTXN_NONKEY-OTHER_SEQ_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OTHER_PARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUX3_TX_TAXTXN_NONKEY-OTHER_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUX3_TX_TAXTXN_NONKEY-OTHER_PARTY.
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_ROIUX3_TX_TAXTXN_NONKEY_STR, 
PROD_PURC_IND TYPE STRING,
UNIT_VNAME TYPE STRING,
PAY_FL TYPE STRING,
RPT_FL TYPE STRING,
UOM TYPE STRING,
LEASE_GROSS_VOL TYPE STRING,
GROSS_VOL TYPE STRING,
GROSS_VAL TYPE STRING,
TAX_VOL TYPE STRING,
TAX_VAL TYPE STRING,
EXEMPT_VOL TYPE STRING,
EXEMPT_VAL TYPE STRING,
MKT_COST TYPE STRING,
MKT_COST_REIMB TYPE STRING,
TAX_AMT TYPE STRING,
TAX_REIMB TYPE STRING,
TAX_RATE_VOL TYPE STRING,
TAX_RATE_VAL TYPE STRING,
GRAVITY TYPE STRING,
API_WELL_NUMBER TYPE STRING,
COUNTY TYPE STRING,
LEASE_NUMBER TYPE STRING,
OFF_LEASE_CD TYPE STRING,
EOR_PROJECT TYPE STRING,
STATEWIDE TYPE STRING,
MASTER_LEVEL TYPE STRING,
OTHER_NO TYPE STRING,
OTHER_SEQ_NO TYPE STRING,
OTHER_PARTY_NO TYPE STRING,
OTHER_PARTY TYPE STRING,
COMMODITY_TYPE TYPE STRING,
EXEMPTION_TYPE TYPE STRING,
TAXPAYER_NUMBER TYPE STRING,
TAXPAYER_NAME TYPE STRING,
OPTION1 TYPE STRING,
OPTION2 TYPE STRING,
OPTION3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUX3_TX_TAXTXN_NONKEY_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_ROIUX3_TX_TAXTXN_NONKEY_STR-PROD_PURC_IND sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-UNIT_VNAME sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-PAY_FL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-RPT_FL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-UOM sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-LEASE_GROSS_VOL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-GROSS_VOL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-GROSS_VAL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-TAX_VOL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-TAX_VAL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-EXEMPT_VOL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-EXEMPT_VAL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-MKT_COST sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-MKT_COST_REIMB sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-TAX_AMT sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-TAX_REIMB sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-TAX_RATE_VOL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-TAX_RATE_VAL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-GRAVITY sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-API_WELL_NUMBER sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-COUNTY sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-LEASE_NUMBER sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-OFF_LEASE_CD sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-EOR_PROJECT sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-STATEWIDE sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-MASTER_LEVEL sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-OTHER_NO sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-OTHER_SEQ_NO sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-OTHER_PARTY_NO sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-OTHER_PARTY sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-COMMODITY_TYPE sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-EXEMPTION_TYPE sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-TAXPAYER_NUMBER sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-TAXPAYER_NAME sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-OPTION1 sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-OPTION2 sy-vline 
WA_ROIUX3_TX_TAXTXN_NONKEY_STR-OPTION3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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