ABAP Select data from SAP table PBSI_TAX_90 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PBSI_TAX_90 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 PBSI_TAX_90. 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 PBSI_TAX_90 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_PBSI_TAX_90 TYPE STANDARD TABLE OF PBSI_TAX_90,
      WA_PBSI_TAX_90 TYPE PBSI_TAX_90,
      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: <PBSI_TAX_90> TYPE PBSI_TAX_90.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PBSI_TAX_90.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PBSI_TAX_90
  INTO TABLE IT_PBSI_TAX_90.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PBSI_TAX_90
*  INTO TABLE @DATA(IT_PBSI_TAX_902).
*--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_PBSI_TAX_90 INDEX 1 INTO DATA(WA_PBSI_TAX_902).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PBSI_TAX_90 ASSIGNING <PBSI_TAX_90>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PBSI_TAX_90>-HRS_WORKED = 1.
<PBSI_TAX_90>-PAY_PER_WA = 1.
<PBSI_TAX_90>-YTD_WAGES = 1.
<PBSI_TAX_90>-YTD_TAX = 1.
<PBSI_TAX_90>-REG_EXE_AM = 1.

ENDLOOP.

LOOP AT IT_PBSI_TAX_90 INTO WA_PBSI_TAX_90.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PBSI_TAX_90-ADD_EX_AM, sy-vline,
  WA_PBSI_TAX_90-BASE_WAGES, sy-vline,
  WA_PBSI_TAX_90-ADD_TAX_RT, sy-vline,
  WA_PBSI_TAX_90-ADD_AMOUNT, sy-vline,
  WA_PBSI_TAX_90-PAY_PER_TX, sy-vline,
  WA_PBSI_TAX_90-MTD_WAGES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PBSI_TAX_90 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_PBSI_TAX_90 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_PBSI_TAX_90 INTO WA_PBSI_TAX_90.


*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_PBSI_TAX_90_STR, 
HRS_WORKED TYPE STRING,
PAY_PER_WA TYPE STRING,
YTD_WAGES TYPE STRING,
YTD_TAX TYPE STRING,
REG_EXE_AM TYPE STRING,
ADD_EX_AM TYPE STRING,
BASE_WAGES TYPE STRING,
ADD_TAX_RT TYPE STRING,
ADD_AMOUNT TYPE STRING,
PAY_PER_TX TYPE STRING,
MTD_WAGES TYPE STRING,
MTD_TAX TYPE STRING,
PERC_WORKD TYPE STRING,
R_TX_CR_AM TYPE STRING,
EXPERIE_RT TYPE STRING,
MAX_WG_OVR TYPE STRING,
CALCED_TAX TYPE STRING,
TAXBLE_WAG TYPE STRING,
TAXBLE_HRS TYPE STRING,
TAX_RATE TYPE STRING,
TAX_EXEMP TYPE STRING,
I_T_TX_EAR TYPE STRING,
I_T_NTXEMC TYPE STRING,
I_T_TXEMC TYPE STRING,
O_T_TX_EAR TYPE STRING,
O_T_NTXEMC TYPE STRING,
O_T_TXEMC TYPE STRING,
ALT_AGR_LI TYPE STRING,
TO_TAX_WAG TYPE STRING,
NO_TAX_WAG TYPE STRING,
RESID_CODE TYPE STRING,
ROUND_IND TYPE STRING,
MAR_STA_IN TYPE STRING,
SUPPL_CODE TYPE STRING,
ADD_TAX_CO TYPE STRING,
EIC_STATUS TYPE STRING,
SE_ADJ_TAX TYPE STRING,
CALC_STA TYPE STRING,
AGR_IND TYPE STRING,
RECIP_FORM TYPE STRING,
FORMULA_NO TYPE STRING,
TAX_EX_IND TYPE STRING,
RECI_PARTI TYPE STRING,
CERT_CODE TYPE STRING,
REG_EXEMP TYPE STRING,
PERS_EXEMP TYPE STRING,
DEPE_EXEMP TYPE STRING,
ADD_EXEMP TYPE STRING,
NU_PAY_ENT TYPE STRING,
AUTH_CODE TYPE STRING,
TAX_TYPE TYPE STRING,
PRIOR_COMM TYPE STRING,
ELE_ST_IND TYPE STRING,
QTD_WAGES TYPE STRING,
QTD_TAX TYPE STRING,
YTD_GROSS TYPE STRING,
YTD_SUPP TYPE STRING,
PRIOR_WRKST TYPE STRING,
USERTAXTYPE TYPE STRING,
OPTPRIOR_WRKST TYPE STRING,
SUBJECT_WAGES TYPE STRING,
YTD_SUBJECT_WAGES TYPE STRING,
REPORTABLE_WAGES TYPE STRING,
REPORTABLE_TAX TYPE STRING,
NX_INDICATOR TYPE STRING,
SRSVD0 TYPE STRING,
SRSVD1 TYPE STRING,
DRSVD0 TYPE STRING,
DRSVD1 TYPE STRING,
CRSVD0 TYPE STRING,
CRSVD1 TYPE STRING,
HRSVD0 TYPE STRING,
HRSVD1 TYPE STRING,
RRSVD0 TYPE STRING,
RRSVD1 TYPE STRING,
FILLER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PBSI_TAX_90_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_PBSI_TAX_90_STR-HRS_WORKED sy-vline 
WA_PBSI_TAX_90_STR-PAY_PER_WA sy-vline 
WA_PBSI_TAX_90_STR-YTD_WAGES sy-vline 
WA_PBSI_TAX_90_STR-YTD_TAX sy-vline 
WA_PBSI_TAX_90_STR-REG_EXE_AM sy-vline 
WA_PBSI_TAX_90_STR-ADD_EX_AM sy-vline 
WA_PBSI_TAX_90_STR-BASE_WAGES sy-vline 
WA_PBSI_TAX_90_STR-ADD_TAX_RT sy-vline 
WA_PBSI_TAX_90_STR-ADD_AMOUNT sy-vline 
WA_PBSI_TAX_90_STR-PAY_PER_TX sy-vline 
WA_PBSI_TAX_90_STR-MTD_WAGES sy-vline 
WA_PBSI_TAX_90_STR-MTD_TAX sy-vline 
WA_PBSI_TAX_90_STR-PERC_WORKD sy-vline 
WA_PBSI_TAX_90_STR-R_TX_CR_AM sy-vline 
WA_PBSI_TAX_90_STR-EXPERIE_RT sy-vline 
WA_PBSI_TAX_90_STR-MAX_WG_OVR sy-vline 
WA_PBSI_TAX_90_STR-CALCED_TAX sy-vline 
WA_PBSI_TAX_90_STR-TAXBLE_WAG sy-vline 
WA_PBSI_TAX_90_STR-TAXBLE_HRS sy-vline 
WA_PBSI_TAX_90_STR-TAX_RATE sy-vline 
WA_PBSI_TAX_90_STR-TAX_EXEMP sy-vline 
WA_PBSI_TAX_90_STR-I_T_TX_EAR sy-vline 
WA_PBSI_TAX_90_STR-I_T_NTXEMC sy-vline 
WA_PBSI_TAX_90_STR-I_T_TXEMC sy-vline 
WA_PBSI_TAX_90_STR-O_T_TX_EAR sy-vline 
WA_PBSI_TAX_90_STR-O_T_NTXEMC sy-vline 
WA_PBSI_TAX_90_STR-O_T_TXEMC sy-vline 
WA_PBSI_TAX_90_STR-ALT_AGR_LI sy-vline 
WA_PBSI_TAX_90_STR-TO_TAX_WAG sy-vline 
WA_PBSI_TAX_90_STR-NO_TAX_WAG sy-vline 
WA_PBSI_TAX_90_STR-RESID_CODE sy-vline 
WA_PBSI_TAX_90_STR-ROUND_IND sy-vline 
WA_PBSI_TAX_90_STR-MAR_STA_IN sy-vline 
WA_PBSI_TAX_90_STR-SUPPL_CODE sy-vline 
WA_PBSI_TAX_90_STR-ADD_TAX_CO sy-vline 
WA_PBSI_TAX_90_STR-EIC_STATUS sy-vline 
WA_PBSI_TAX_90_STR-SE_ADJ_TAX sy-vline 
WA_PBSI_TAX_90_STR-CALC_STA sy-vline 
WA_PBSI_TAX_90_STR-AGR_IND sy-vline 
WA_PBSI_TAX_90_STR-RECIP_FORM sy-vline 
WA_PBSI_TAX_90_STR-FORMULA_NO sy-vline 
WA_PBSI_TAX_90_STR-TAX_EX_IND sy-vline 
WA_PBSI_TAX_90_STR-RECI_PARTI sy-vline 
WA_PBSI_TAX_90_STR-CERT_CODE sy-vline 
WA_PBSI_TAX_90_STR-REG_EXEMP sy-vline 
WA_PBSI_TAX_90_STR-PERS_EXEMP sy-vline 
WA_PBSI_TAX_90_STR-DEPE_EXEMP sy-vline 
WA_PBSI_TAX_90_STR-ADD_EXEMP sy-vline 
WA_PBSI_TAX_90_STR-NU_PAY_ENT sy-vline 
WA_PBSI_TAX_90_STR-AUTH_CODE sy-vline 
WA_PBSI_TAX_90_STR-TAX_TYPE sy-vline 
WA_PBSI_TAX_90_STR-PRIOR_COMM sy-vline 
WA_PBSI_TAX_90_STR-ELE_ST_IND sy-vline 
WA_PBSI_TAX_90_STR-QTD_WAGES sy-vline 
WA_PBSI_TAX_90_STR-QTD_TAX sy-vline 
WA_PBSI_TAX_90_STR-YTD_GROSS sy-vline 
WA_PBSI_TAX_90_STR-YTD_SUPP sy-vline 
WA_PBSI_TAX_90_STR-PRIOR_WRKST sy-vline 
WA_PBSI_TAX_90_STR-USERTAXTYPE sy-vline 
WA_PBSI_TAX_90_STR-OPTPRIOR_WRKST sy-vline 
WA_PBSI_TAX_90_STR-SUBJECT_WAGES sy-vline 
WA_PBSI_TAX_90_STR-YTD_SUBJECT_WAGES sy-vline 
WA_PBSI_TAX_90_STR-REPORTABLE_WAGES sy-vline 
WA_PBSI_TAX_90_STR-REPORTABLE_TAX sy-vline 
WA_PBSI_TAX_90_STR-NX_INDICATOR sy-vline 
WA_PBSI_TAX_90_STR-SRSVD0 sy-vline 
WA_PBSI_TAX_90_STR-SRSVD1 sy-vline 
WA_PBSI_TAX_90_STR-DRSVD0 sy-vline 
WA_PBSI_TAX_90_STR-DRSVD1 sy-vline 
WA_PBSI_TAX_90_STR-CRSVD0 sy-vline 
WA_PBSI_TAX_90_STR-CRSVD1 sy-vline 
WA_PBSI_TAX_90_STR-HRSVD0 sy-vline 
WA_PBSI_TAX_90_STR-HRSVD1 sy-vline 
WA_PBSI_TAX_90_STR-RRSVD0 sy-vline 
WA_PBSI_TAX_90_STR-RRSVD1 sy-vline 
WA_PBSI_TAX_90_STR-FILLER sy-vline      INTO ld_text SEPARATED BY SPACE.

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