ABAP Select data from SAP table T811VC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T811VC 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 T811VC. 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 T811VC 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_T811VC TYPE STANDARD TABLE OF T811VC,
      WA_T811VC TYPE T811VC,
      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: <T811VC> TYPE T811VC.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T811VC.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T811VC
  INTO TABLE IT_T811VC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T811VC
*  INTO TABLE @DATA(IT_T811VC2).
*--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_T811VC INDEX 1 INTO DATA(WA_T811VC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T811VC ASSIGNING <T811VC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T811VC>-MANDT = 1.
<T811VC>-ID = 1.
<T811VC>-TAB = 1.
<T811VC>-CYCLE = 1.
<T811VC>-SDATE = 1.

ENDLOOP.

LOOP AT IT_T811VC INTO WA_T811VC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T811VC-EDATE, sy-vline,
  WA_T811VC-RSTATUS, sy-vline,
  WA_T811VC-FREQ, sy-vline,
  WA_T811VC-CRDATE, sy-vline,
  WA_T811VC-PUSER, sy-vline,
  WA_T811VC-MODDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T811VC 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_T811VC 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_T811VC INTO WA_T811VC.


*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_T811VC_STR, 
MANDT TYPE STRING,
ID TYPE STRING,
TAB TYPE STRING,
CYCLE TYPE STRING,
SDATE TYPE STRING,
EDATE TYPE STRING,
RSTATUS TYPE STRING,
FREQ TYPE STRING,
CRDATE TYPE STRING,
PUSER TYPE STRING,
MODDATE TYPE STRING,
MODUSER TYPE STRING,
LASTEXEC TYPE STRING,
LEXECBY TYPE STRING,
TIMEEXEC TYPE STRING,
ITERFLAG TYPE STRING,
ASTATUS TYPE STRING,
CYCLESET TYPE STRING,
NEGTEST TYPE STRING,
ALART TYPE STRING,
IPKNZ TYPE STRING,
JOB TYPE STRING,
KUMUFLAG TYPE STRING,
XXKUMUFLAG TYPE STRING,
RCKUMUFLAG TYPE STRING,
PROC_GROUP TYPE STRING,
SUBSTID TYPE STRING,
RKE_SPLIT TYPE STRING,
FM_DERIVE TYPE STRING,
GL_XBILK TYPE STRING,
FM_DERIVE_FONDS TYPE STRING,
FM_DERIVE_FKBER TYPE STRING,
FM_DERIVE_GRANT TYPE STRING,
FM_DERIVE_BUDPD TYPE STRING,
GL_LDGRP TYPE STRING,
PERIOD_LAG TYPE STRING,
PERIOD_DELTA TYPE STRING,
KALC_PRODPER TYPE STRING,
VARIABEL TYPE STRING,
VALUTYP_ALLOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T811VC_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_T811VC_STR-MANDT sy-vline 
WA_T811VC_STR-ID sy-vline 
WA_T811VC_STR-TAB sy-vline 
WA_T811VC_STR-CYCLE sy-vline 
WA_T811VC_STR-SDATE sy-vline 
WA_T811VC_STR-EDATE sy-vline 
WA_T811VC_STR-RSTATUS sy-vline 
WA_T811VC_STR-FREQ sy-vline 
WA_T811VC_STR-CRDATE sy-vline 
WA_T811VC_STR-PUSER sy-vline 
WA_T811VC_STR-MODDATE sy-vline 
WA_T811VC_STR-MODUSER sy-vline 
WA_T811VC_STR-LASTEXEC sy-vline 
WA_T811VC_STR-LEXECBY sy-vline 
WA_T811VC_STR-TIMEEXEC sy-vline 
WA_T811VC_STR-ITERFLAG sy-vline 
WA_T811VC_STR-ASTATUS sy-vline 
WA_T811VC_STR-CYCLESET sy-vline 
WA_T811VC_STR-NEGTEST sy-vline 
WA_T811VC_STR-ALART sy-vline 
WA_T811VC_STR-IPKNZ sy-vline 
WA_T811VC_STR-JOB sy-vline 
WA_T811VC_STR-KUMUFLAG sy-vline 
WA_T811VC_STR-XXKUMUFLAG sy-vline 
WA_T811VC_STR-RCKUMUFLAG sy-vline 
WA_T811VC_STR-PROC_GROUP sy-vline 
WA_T811VC_STR-SUBSTID sy-vline 
WA_T811VC_STR-RKE_SPLIT sy-vline 
WA_T811VC_STR-FM_DERIVE sy-vline 
WA_T811VC_STR-GL_XBILK sy-vline 
WA_T811VC_STR-FM_DERIVE_FONDS sy-vline 
WA_T811VC_STR-FM_DERIVE_FKBER sy-vline 
WA_T811VC_STR-FM_DERIVE_GRANT sy-vline 
WA_T811VC_STR-FM_DERIVE_BUDPD sy-vline 
WA_T811VC_STR-GL_LDGRP sy-vline 
WA_T811VC_STR-PERIOD_LAG sy-vline 
WA_T811VC_STR-PERIOD_DELTA sy-vline 
WA_T811VC_STR-KALC_PRODPER sy-vline 
WA_T811VC_STR-VARIABEL sy-vline 
WA_T811VC_STR-VALUTYP_ALLOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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