ABAP Select data from SAP table T807H into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T807H 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 T807H. 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 T807H 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_T807H TYPE STANDARD TABLE OF T807H,
      WA_T807H TYPE T807H,
      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: <T807H> TYPE T807H.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T807H.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T807H
  INTO TABLE IT_T807H.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T807H
*  INTO TABLE @DATA(IT_T807H2).
*--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_T807H INDEX 1 INTO DATA(WA_T807H2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T807H ASSIGNING <T807H>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T807H>-MANDT = 1.
<T807H>-ROLLUP = 1.
<T807H>-STAB = 1.
<T807H>-ROLSET = 1.
<T807H>-SUMDIM = 1.

ENDLOOP.

LOOP AT IT_T807H INTO WA_T807H.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T807H-RTAB, sy-vline,
  WA_T807H-RESSET, sy-vline,
  WA_T807H-RESETRULE, sy-vline,
  WA_T807H-GLSIP, sy-vline,
  WA_T807H-ACCUM, sy-vline,
  WA_T807H-BINELIM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T807H 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_T807H 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_T807H INTO WA_T807H.


*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_T807H_STR, 
MANDT TYPE STRING,
ROLLUP TYPE STRING,
STAB TYPE STRING,
ROLSET TYPE STRING,
SUMDIM TYPE STRING,
RTAB TYPE STRING,
RESSET TYPE STRING,
RESETRULE TYPE STRING,
GLSIP TYPE STRING,
ACCUM TYPE STRING,
BINELIM TYPE STRING,
ZERO TYPE STRING,
BRGRU TYPE STRING,
CNAM TYPE STRING,
CDAT TYPE STRING,
UNAM TYPE STRING,
UDAT TYPE STRING,
SNAM TYPE STRING,
SDAT TYPE STRING,
FIRSTEXIT TYPE STRING,
HIERSET TYPE STRING,
ROLL_PART TYPE STRING,
RFC_ROLL TYPE STRING,
NO_CLEAR_CURR TYPE STRING,
HINT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T807H_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_T807H_STR-MANDT sy-vline 
WA_T807H_STR-ROLLUP sy-vline 
WA_T807H_STR-STAB sy-vline 
WA_T807H_STR-ROLSET sy-vline 
WA_T807H_STR-SUMDIM sy-vline 
WA_T807H_STR-RTAB sy-vline 
WA_T807H_STR-RESSET sy-vline 
WA_T807H_STR-RESETRULE sy-vline 
WA_T807H_STR-GLSIP sy-vline 
WA_T807H_STR-ACCUM sy-vline 
WA_T807H_STR-BINELIM sy-vline 
WA_T807H_STR-ZERO sy-vline 
WA_T807H_STR-BRGRU sy-vline 
WA_T807H_STR-CNAM sy-vline 
WA_T807H_STR-CDAT sy-vline 
WA_T807H_STR-UNAM sy-vline 
WA_T807H_STR-UDAT sy-vline 
WA_T807H_STR-SNAM sy-vline 
WA_T807H_STR-SDAT sy-vline 
WA_T807H_STR-FIRSTEXIT sy-vline 
WA_T807H_STR-HIERSET sy-vline 
WA_T807H_STR-ROLL_PART sy-vline 
WA_T807H_STR-RFC_ROLL sy-vline 
WA_T807H_STR-NO_CLEAR_CURR sy-vline 
WA_T807H_STR-HINT sy-vline      INTO ld_text SEPARATED BY SPACE.

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