ABAP Select data from SAP table V_T811I into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T811I 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_T811I. 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_T811I 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_T811I TYPE STANDARD TABLE OF V_T811I,
      WA_V_T811I TYPE V_T811I,
      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_T811I> TYPE V_T811I.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T811I.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T811I
  INTO TABLE IT_V_T811I.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T811I
*  INTO TABLE @DATA(IT_V_T811I2).
*--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_T811I INDEX 1 INTO DATA(WA_V_T811I2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T811I ASSIGNING <V_T811I>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T811I>-MANDT = 1.
<V_T811I>-TAB = 1.
<V_T811I>-ALART = 1.
<V_T811I>-IPKNZ = 1.
<V_T811I>-FIELD = 1.

ENDLOOP.

LOOP AT IT_V_T811I INTO WA_V_T811I.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T811I-FIELDTYPE, sy-vline,
  WA_V_T811I-MAGR1, sy-vline,
  WA_V_T811I-MAGR2, sy-vline,
  WA_V_T811I-CACT, sy-vline,
  WA_V_T811I-SCACT, sy-vline,
  WA_V_T811I-SACT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T811I 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_T811I 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_T811I INTO WA_V_T811I.


*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_V_T811I_STR, 
MANDT TYPE STRING,
TAB TYPE STRING,
ALART TYPE STRING,
IPKNZ TYPE STRING,
FIELD TYPE STRING,
FIELDTYPE TYPE STRING,
MAGR1 TYPE STRING,
MAGR2 TYPE STRING,
CACT TYPE STRING,
SCACT TYPE STRING,
SACT TYPE STRING,
RACT TYPE STRING,
RCACT TYPE STRING,
CSET TYPE STRING,
SCSET TYPE STRING,
SSET TYPE STRING,
RSET TYPE STRING,
RCSET TYPE STRING,
CSING TYPE STRING,
SCSING TYPE STRING,
SSING TYPE STRING,
RSING TYPE STRING,
RCSING TYPE STRING,
CINT TYPE STRING,
SCINT TYPE STRING,
SINT TYPE STRING,
RINT TYPE STRING,
RCINT TYPE STRING,
FILLR TYPE STRING,
CCOBJ TYPE STRING,
CCFLD TYPE STRING,
MASGR TYPE STRING,
NVFLG TYPE STRING,
SVFLD TYPE STRING,
FSFLG TYPE STRING,
ANZPOS TYPE STRING,
ANZFLG TYPE STRING,
INHER TYPE STRING,
RREPL TYPE STRING,
CMAINTN TYPE STRING,
SCMAINTN TYPE STRING,
SMAINTN TYPE STRING,
RMAINTN TYPE STRING,
RCMAINTN TYPE STRING,
SMFLG TYPE STRING,
RMFLG TYPE STRING,
SENDERINH TYPE STRING,
HDFLD TYPE STRING,
DEP_GROUP TYPE STRING,
DEP_HIER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T811I_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_T811I_STR-MANDT sy-vline 
WA_V_T811I_STR-TAB sy-vline 
WA_V_T811I_STR-ALART sy-vline 
WA_V_T811I_STR-IPKNZ sy-vline 
WA_V_T811I_STR-FIELD sy-vline 
WA_V_T811I_STR-FIELDTYPE sy-vline 
WA_V_T811I_STR-MAGR1 sy-vline 
WA_V_T811I_STR-MAGR2 sy-vline 
WA_V_T811I_STR-CACT sy-vline 
WA_V_T811I_STR-SCACT sy-vline 
WA_V_T811I_STR-SACT sy-vline 
WA_V_T811I_STR-RACT sy-vline 
WA_V_T811I_STR-RCACT sy-vline 
WA_V_T811I_STR-CSET sy-vline 
WA_V_T811I_STR-SCSET sy-vline 
WA_V_T811I_STR-SSET sy-vline 
WA_V_T811I_STR-RSET sy-vline 
WA_V_T811I_STR-RCSET sy-vline 
WA_V_T811I_STR-CSING sy-vline 
WA_V_T811I_STR-SCSING sy-vline 
WA_V_T811I_STR-SSING sy-vline 
WA_V_T811I_STR-RSING sy-vline 
WA_V_T811I_STR-RCSING sy-vline 
WA_V_T811I_STR-CINT sy-vline 
WA_V_T811I_STR-SCINT sy-vline 
WA_V_T811I_STR-SINT sy-vline 
WA_V_T811I_STR-RINT sy-vline 
WA_V_T811I_STR-RCINT sy-vline 
WA_V_T811I_STR-FILLR sy-vline 
WA_V_T811I_STR-CCOBJ sy-vline 
WA_V_T811I_STR-CCFLD sy-vline 
WA_V_T811I_STR-MASGR sy-vline 
WA_V_T811I_STR-NVFLG sy-vline 
WA_V_T811I_STR-SVFLD sy-vline 
WA_V_T811I_STR-FSFLG sy-vline 
WA_V_T811I_STR-ANZPOS sy-vline 
WA_V_T811I_STR-ANZFLG sy-vline 
WA_V_T811I_STR-INHER sy-vline 
WA_V_T811I_STR-RREPL sy-vline 
WA_V_T811I_STR-CMAINTN sy-vline 
WA_V_T811I_STR-SCMAINTN sy-vline 
WA_V_T811I_STR-SMAINTN sy-vline 
WA_V_T811I_STR-RMAINTN sy-vline 
WA_V_T811I_STR-RCMAINTN sy-vline 
WA_V_T811I_STR-SMFLG sy-vline 
WA_V_T811I_STR-RMFLG sy-vline 
WA_V_T811I_STR-SENDERINH sy-vline 
WA_V_T811I_STR-HDFLD sy-vline 
WA_V_T811I_STR-DEP_GROUP sy-vline 
WA_V_T811I_STR-DEP_HIER sy-vline      INTO ld_text SEPARATED BY SPACE.

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