ABAP Select data from SAP table T706H into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T706H 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 T706H. 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 T706H 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_T706H TYPE STANDARD TABLE OF T706H,
      WA_T706H TYPE T706H,
      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: <T706H> TYPE T706H.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T706H.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T706H
  INTO TABLE IT_T706H.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T706H
*  INTO TABLE @DATA(IT_T706H2).
*--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_T706H INDEX 1 INTO DATA(WA_T706H2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T706H ASSIGNING <T706H>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T706H>-MANDT = 1.
<T706H>-MOREI = 1.
<T706H>-KZPAH = 1.
<T706H>-KZREA = 1.
<T706H>-KZTKT = 1.

ENDLOOP.

LOOP AT IT_T706H INTO WA_T706H.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T706H-LNDGR, sy-vline,
  WA_T706H-RGION, sy-vline,
  WA_T706H-BEREI, sy-vline,
  WA_T706H-ERKLA, sy-vline,
  WA_T706H-ERGRU, sy-vline,
  WA_T706H-ANZTA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T706H 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_T706H 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_T706H INTO WA_T706H.


*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_T706H_STR, 
MANDT TYPE STRING,
MOREI TYPE STRING,
KZPAH TYPE STRING,
KZREA TYPE STRING,
KZTKT TYPE STRING,
LNDGR TYPE STRING,
RGION TYPE STRING,
BEREI TYPE STRING,
ERKLA TYPE STRING,
ERGRU TYPE STRING,
ANZTA TYPE STRING,
BEGUZ TYPE STRING,
ENDUZ TYPE STRING,
ENDDA TYPE STRING,
WAERS TYPE STRING,
BEGDA TYPE STRING,
BETFZ TYPE STRING,
BETFA TYPE STRING,
BETKU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T706H_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_T706H_STR-MANDT sy-vline 
WA_T706H_STR-MOREI sy-vline 
WA_T706H_STR-KZPAH sy-vline 
WA_T706H_STR-KZREA sy-vline 
WA_T706H_STR-KZTKT sy-vline 
WA_T706H_STR-LNDGR sy-vline 
WA_T706H_STR-RGION sy-vline 
WA_T706H_STR-BEREI sy-vline 
WA_T706H_STR-ERKLA sy-vline 
WA_T706H_STR-ERGRU sy-vline 
WA_T706H_STR-ANZTA sy-vline 
WA_T706H_STR-BEGUZ sy-vline 
WA_T706H_STR-ENDUZ sy-vline 
WA_T706H_STR-ENDDA sy-vline 
WA_T706H_STR-WAERS sy-vline 
WA_T706H_STR-BEGDA sy-vline 
WA_T706H_STR-BETFZ sy-vline 
WA_T706H_STR-BETFA sy-vline 
WA_T706H_STR-BETKU sy-vline      INTO ld_text SEPARATED BY SPACE.

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