ABAP Select data from SAP table V_T6B1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T6B1 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_T6B1. 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_T6B1 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_T6B1 TYPE STANDARD TABLE OF V_T6B1,
      WA_V_T6B1 TYPE V_T6B1,
      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_T6B1> TYPE V_T6B1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T6B1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T6B1
  INTO TABLE IT_V_T6B1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T6B1
*  INTO TABLE @DATA(IT_V_T6B12).
*--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_T6B1 INDEX 1 INTO DATA(WA_V_T6B12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T6B1 ASSIGNING <V_T6B1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T6B1>-MANDT = 1.
<V_T6B1>-BOART = 1.
<V_T6B1>-VTEXT = 1.
<V_T6B1>-KAPPL = 1.
<V_T6B1>-VTEXT_KA = 1.

ENDLOOP.

LOOP AT IT_V_T6B1 INTO WA_V_T6B1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T6B1-ABTYP, sy-vline,
  WA_V_T6B1-DTVOB, sy-vline,
  WA_V_T6B1-DATVO, sy-vline,
  WA_V_T6B1-ZLSCH, sy-vline,
  WA_V_T6B1-NUMKE, sy-vline,
  WA_V_T6B1-NUMKI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T6B1 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_T6B1 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_T6B1 INTO WA_V_T6B1.


*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 AUART, internal->external for field AUART_B1
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_V_T6B1-AUART_B1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T6B1-AUART_B1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field AUART_B2
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_V_T6B1-AUART_B2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T6B1-AUART_B2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field AUART_B3
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_V_T6B1-AUART_B3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T6B1-AUART_B3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field AUART_B4
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_V_T6B1-AUART_B4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T6B1-AUART_B4.
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_T6B1_STR, 
MANDT TYPE STRING,
BOART TYPE STRING,
VTEXT TYPE STRING,
KAPPL TYPE STRING,
VTEXT_KA TYPE STRING,
ABTYP TYPE STRING,
DTVOB TYPE STRING,
DATVO TYPE STRING,
ZLSCH TYPE STRING,
NUMKE TYPE STRING,
NUMKI TYPE STRING,
UEVOR_BO TYPE STRING,
ABSPZ TYPE STRING,
KOBOG TYPE STRING,
ABWDT TYPE STRING,
AUART_B1 TYPE STRING,
AUART_B2 TYPE STRING,
BOSTA TYPE STRING,
BOSTA_MIN TYPE STRING,
MAVER TYPE STRING,
MRAUF TYPE STRING,
MANRU TYPE STRING,
AUART_B3 TYPE STRING,
AUART_B4 TYPE STRING,
IDENT2 TYPE STRING,
IDENT3 TYPE STRING,
KFRST TYPE STRING,
TXTGR TYPE STRING,
TDID TYPE STRING,
VTEXT1 TYPE STRING,
TDTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T6B1_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_T6B1_STR-MANDT sy-vline 
WA_V_T6B1_STR-BOART sy-vline 
WA_V_T6B1_STR-VTEXT sy-vline 
WA_V_T6B1_STR-KAPPL sy-vline 
WA_V_T6B1_STR-VTEXT_KA sy-vline 
WA_V_T6B1_STR-ABTYP sy-vline 
WA_V_T6B1_STR-DTVOB sy-vline 
WA_V_T6B1_STR-DATVO sy-vline 
WA_V_T6B1_STR-ZLSCH sy-vline 
WA_V_T6B1_STR-NUMKE sy-vline 
WA_V_T6B1_STR-NUMKI sy-vline 
WA_V_T6B1_STR-UEVOR_BO sy-vline 
WA_V_T6B1_STR-ABSPZ sy-vline 
WA_V_T6B1_STR-KOBOG sy-vline 
WA_V_T6B1_STR-ABWDT sy-vline 
WA_V_T6B1_STR-AUART_B1 sy-vline 
WA_V_T6B1_STR-AUART_B2 sy-vline 
WA_V_T6B1_STR-BOSTA sy-vline 
WA_V_T6B1_STR-BOSTA_MIN sy-vline 
WA_V_T6B1_STR-MAVER sy-vline 
WA_V_T6B1_STR-MRAUF sy-vline 
WA_V_T6B1_STR-MANRU sy-vline 
WA_V_T6B1_STR-AUART_B3 sy-vline 
WA_V_T6B1_STR-AUART_B4 sy-vline 
WA_V_T6B1_STR-IDENT2 sy-vline 
WA_V_T6B1_STR-IDENT3 sy-vline 
WA_V_T6B1_STR-KFRST sy-vline 
WA_V_T6B1_STR-TXTGR sy-vline 
WA_V_T6B1_STR-TDID sy-vline 
WA_V_T6B1_STR-VTEXT1 sy-vline 
WA_V_T6B1_STR-TDTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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