ABAP Select data from SAP table V_T8JZ into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T8JZ 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 V_T8JZ. 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 V_T8JZ 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_V_T8JZ TYPE STANDARD TABLE OF V_T8JZ,
      WA_V_T8JZ TYPE V_T8JZ,
      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: <V_T8JZ> TYPE V_T8JZ.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T8JZ.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T8JZ
  INTO TABLE IT_V_T8JZ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T8JZ
*  INTO TABLE @DATA(IT_V_T8JZ2).
*--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_V_T8JZ INDEX 1 INTO DATA(WA_V_T8JZ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T8JZ ASSIGNING <V_T8JZ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T8JZ>-MANDT = 1.
<V_T8JZ>-BUKRS = 1.
<V_T8JZ>-BUTXT = 1.
<V_T8JZ>-ITD = 1.
<V_T8JZ>-NETACCOPT = 1.

ENDLOOP.

LOOP AT IT_V_T8JZ INTO WA_V_T8JZ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T8JZ-INT_US, sy-vline,
  WA_V_T8JZ-OPACCNUMB, sy-vline,
  WA_V_T8JZ-BILLBASIS, sy-vline,
  WA_V_T8JZ-CORPVENT, sy-vline,
  WA_V_T8JZ-CORPEQGP, sy-vline,
  WA_V_T8JZ-CORPRECIND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T8JZ 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_V_T8JZ 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_V_T8JZ INTO WA_V_T8JZ.


*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 OPACCNUMB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-OPACCNUMB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-OPACCNUMB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORPVENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-CORPVENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-CORPVENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORPEQGP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-CORPEQGP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-CORPEQGP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORPRECIND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-CORPRECIND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-CORPRECIND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OFFCC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-OFFCC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-OFFCC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORPVBACRI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-CORPVBACRI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-CORPVBACRI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OFFPCOCC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-OFFPCOCC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-OFFPCOCC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field OFFPCOPROJ
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-OFFPCOPROJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-OFFPCOPROJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OFFPCOORNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-OFFPCOORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-OFFPCOORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOST_CORP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T8JZ-KOST_CORP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T8JZ-KOST_CORP.
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_V_T8JZ_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BUTXT TYPE STRING,
ITD TYPE STRING,
NETACCOPT TYPE STRING,
INT_US TYPE STRING,
OPACCNUMB TYPE STRING,
BILLBASIS TYPE STRING,
CORPVENT TYPE STRING,
CORPEQGP TYPE STRING,
CORPRECIND TYPE STRING,
BALANCVENT TYPE STRING,
VBANK TYPE STRING,
TAXIN TYPE STRING,
TAXOUT TYPE STRING,
TXJCD TYPE STRING,
BSTRUCT TYPE STRING,
XSETCON TYPE STRING,
XSETCAT TYPE STRING,
XPER1 TYPE STRING,
XPER2 TYPE STRING,
XSETCAP TYPE STRING,
OFFCC TYPE STRING,
TAXEXPDTL TYPE STRING,
TAXPER TYPE STRING,
EQGNUM TYPE STRING,
POMACT TYPE STRING,
GSTNO TYPE STRING,
AFABE_HAN TYPE STRING,
AFABE_NB TYPE STRING,
AFABE_BI TYPE STRING,
AFAPL TYPE STRING,
CRPCAL TYPE STRING,
AM_METH TYPE STRING,
WBIND TYPE STRING,
SELTAB TYPE STRING,
SELFLD TYPE STRING,
CORPVBACRI TYPE STRING,
KURST TYPE STRING,
OFFPCOCC TYPE STRING,
OFFPCOPROJ TYPE STRING,
OFFPCOORNR TYPE STRING,
POSTCORP TYPE STRING,
ASSTVENT TYPE STRING,
CI_GROSS TYPE STRING,
CI_FB01 TYPE STRING,
CB_TCURR TYPE STRING,
FSJVCT TYPE STRING,
FSJVOT TYPE STRING,
FSJVPT TYPE STRING,
CRPTAXCODE TYPE STRING,
BUDGETMESS TYPE STRING,
VIDIST TYPE STRING,
OP_AS_PART TYPE STRING,
KOST_CORP TYPE STRING,
PM_ACT TYPE STRING,
PM_EG TYPE STRING,
PM_ACT_YEAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T8JZ_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_V_T8JZ_STR-MANDT sy-vline 
WA_V_T8JZ_STR-BUKRS sy-vline 
WA_V_T8JZ_STR-BUTXT sy-vline 
WA_V_T8JZ_STR-ITD sy-vline 
WA_V_T8JZ_STR-NETACCOPT sy-vline 
WA_V_T8JZ_STR-INT_US sy-vline 
WA_V_T8JZ_STR-OPACCNUMB sy-vline 
WA_V_T8JZ_STR-BILLBASIS sy-vline 
WA_V_T8JZ_STR-CORPVENT sy-vline 
WA_V_T8JZ_STR-CORPEQGP sy-vline 
WA_V_T8JZ_STR-CORPRECIND sy-vline 
WA_V_T8JZ_STR-BALANCVENT sy-vline 
WA_V_T8JZ_STR-VBANK sy-vline 
WA_V_T8JZ_STR-TAXIN sy-vline 
WA_V_T8JZ_STR-TAXOUT sy-vline 
WA_V_T8JZ_STR-TXJCD sy-vline 
WA_V_T8JZ_STR-BSTRUCT sy-vline 
WA_V_T8JZ_STR-XSETCON sy-vline 
WA_V_T8JZ_STR-XSETCAT sy-vline 
WA_V_T8JZ_STR-XPER1 sy-vline 
WA_V_T8JZ_STR-XPER2 sy-vline 
WA_V_T8JZ_STR-XSETCAP sy-vline 
WA_V_T8JZ_STR-OFFCC sy-vline 
WA_V_T8JZ_STR-TAXEXPDTL sy-vline 
WA_V_T8JZ_STR-TAXPER sy-vline 
WA_V_T8JZ_STR-EQGNUM sy-vline 
WA_V_T8JZ_STR-POMACT sy-vline 
WA_V_T8JZ_STR-GSTNO sy-vline 
WA_V_T8JZ_STR-AFABE_HAN sy-vline 
WA_V_T8JZ_STR-AFABE_NB sy-vline 
WA_V_T8JZ_STR-AFABE_BI sy-vline 
WA_V_T8JZ_STR-AFAPL sy-vline 
WA_V_T8JZ_STR-CRPCAL sy-vline 
WA_V_T8JZ_STR-AM_METH sy-vline 
WA_V_T8JZ_STR-WBIND sy-vline 
WA_V_T8JZ_STR-SELTAB sy-vline 
WA_V_T8JZ_STR-SELFLD sy-vline 
WA_V_T8JZ_STR-CORPVBACRI sy-vline 
WA_V_T8JZ_STR-KURST sy-vline 
WA_V_T8JZ_STR-OFFPCOCC sy-vline 
WA_V_T8JZ_STR-OFFPCOPROJ sy-vline 
WA_V_T8JZ_STR-OFFPCOORNR sy-vline 
WA_V_T8JZ_STR-POSTCORP sy-vline 
WA_V_T8JZ_STR-ASSTVENT sy-vline 
WA_V_T8JZ_STR-CI_GROSS sy-vline 
WA_V_T8JZ_STR-CI_FB01 sy-vline 
WA_V_T8JZ_STR-CB_TCURR sy-vline 
WA_V_T8JZ_STR-FSJVCT sy-vline 
WA_V_T8JZ_STR-FSJVOT sy-vline 
WA_V_T8JZ_STR-FSJVPT sy-vline 
WA_V_T8JZ_STR-CRPTAXCODE sy-vline 
WA_V_T8JZ_STR-BUDGETMESS sy-vline 
WA_V_T8JZ_STR-VIDIST sy-vline 
WA_V_T8JZ_STR-OP_AS_PART sy-vline 
WA_V_T8JZ_STR-KOST_CORP sy-vline 
WA_V_T8JZ_STR-PM_ACT sy-vline 
WA_V_T8JZ_STR-PM_EG sy-vline 
WA_V_T8JZ_STR-PM_ACT_YEAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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