ABAP Select data from SAP table J_1BNFE_S_RFC_TAX_ICMS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_1BNFE_S_RFC_TAX_ICMS 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 J_1BNFE_S_RFC_TAX_ICMS. 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 J_1BNFE_S_RFC_TAX_ICMS 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_J_1BNFE_S_RFC_TAX_ICMS TYPE STANDARD TABLE OF J_1BNFE_S_RFC_TAX_ICMS,
      WA_J_1BNFE_S_RFC_TAX_ICMS TYPE J_1BNFE_S_RFC_TAX_ICMS,
      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: <J_1BNFE_S_RFC_TAX_ICMS> TYPE J_1BNFE_S_RFC_TAX_ICMS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1BNFE_S_RFC_TAX_ICMS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1BNFE_S_RFC_TAX_ICMS
  INTO TABLE IT_J_1BNFE_S_RFC_TAX_ICMS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1BNFE_S_RFC_TAX_ICMS
*  INTO TABLE @DATA(IT_J_1BNFE_S_RFC_TAX_ICMS2).
*--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_J_1BNFE_S_RFC_TAX_ICMS INDEX 1 INTO DATA(WA_J_1BNFE_S_RFC_TAX_ICMS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1BNFE_S_RFC_TAX_ICMS ASSIGNING <J_1BNFE_S_RFC_TAX_ICMS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1BNFE_S_RFC_TAX_ICMS>-ID = 1.
<J_1BNFE_S_RFC_TAX_ICMS>-ORIG = 1.
<J_1BNFE_S_RFC_TAX_ICMS>-CST = 1.
<J_1BNFE_S_RFC_TAX_ICMS>-MOD_BC = 1.
<J_1BNFE_S_RFC_TAX_ICMS>-V_BC = 1.

ENDLOOP.

LOOP AT IT_J_1BNFE_S_RFC_TAX_ICMS INTO WA_J_1BNFE_S_RFC_TAX_ICMS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1BNFE_S_RFC_TAX_ICMS-P_ICMS, sy-vline,
  WA_J_1BNFE_S_RFC_TAX_ICMS-V_ICMS, sy-vline,
  WA_J_1BNFE_S_RFC_TAX_ICMS-MOD_BCST, sy-vline,
  WA_J_1BNFE_S_RFC_TAX_ICMS-P_MVAST, sy-vline,
  WA_J_1BNFE_S_RFC_TAX_ICMS-P_RED_BCST, sy-vline,
  WA_J_1BNFE_S_RFC_TAX_ICMS-V_BCST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1BNFE_S_RFC_TAX_ICMS 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_J_1BNFE_S_RFC_TAX_ICMS 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_J_1BNFE_S_RFC_TAX_ICMS INTO WA_J_1BNFE_S_RFC_TAX_ICMS.


*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_J_1BNFE_S_RFC_TAX_ICMS_STR, 
ID TYPE STRING,
ORIG TYPE STRING,
CST TYPE STRING,
MOD_BC TYPE STRING,
V_BC TYPE STRING,
P_ICMS TYPE STRING,
V_ICMS TYPE STRING,
MOD_BCST TYPE STRING,
P_MVAST TYPE STRING,
P_RED_BCST TYPE STRING,
V_BCST TYPE STRING,
P_ICMSST TYPE STRING,
V_ICMSST TYPE STRING,
P_RED_BC TYPE STRING,
V_ICMSDESON TYPE STRING,
MOT_DES_ICMS TYPE STRING,
V_ICMSOP TYPE STRING,
P_DIF TYPE STRING,
V_ICMSDIF TYPE STRING,
V_BCSTRET TYPE STRING,
V_ICMSSTRET TYPE STRING,
P_BCOP TYPE STRING,
UFST TYPE STRING,
V_BCSTDEST TYPE STRING,
V_ICMSSTDEST TYPE STRING,
CSOSN TYPE STRING,
P_CRED_SN TYPE STRING,
V_CRED_ICMSSN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1BNFE_S_RFC_TAX_ICMS_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_J_1BNFE_S_RFC_TAX_ICMS_STR-ID sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-ORIG sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-CST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-MOD_BC sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_BC sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-P_ICMS sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_ICMS sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-MOD_BCST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-P_MVAST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-P_RED_BCST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_BCST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-P_ICMSST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_ICMSST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-P_RED_BC sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_ICMSDESON sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-MOT_DES_ICMS sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_ICMSOP sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-P_DIF sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_ICMSDIF sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_BCSTRET sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_ICMSSTRET sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-P_BCOP sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-UFST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_BCSTDEST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_ICMSSTDEST sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-CSOSN sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-P_CRED_SN sy-vline 
WA_J_1BNFE_S_RFC_TAX_ICMS_STR-V_CRED_ICMSSN sy-vline      INTO ld_text SEPARATED BY SPACE.

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