ABAP Select data from SAP table ENT7595 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ENT7595 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 ENT7595. 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 ENT7595 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_ENT7595 TYPE STANDARD TABLE OF ENT7595,
      WA_ENT7595 TYPE ENT7595,
      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: <ENT7595> TYPE ENT7595.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ENT7595.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ENT7595
  INTO TABLE IT_ENT7595.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ENT7595
*  INTO TABLE @DATA(IT_ENT75952).
*--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_ENT7595 INDEX 1 INTO DATA(WA_ENT75952).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ENT7595 ASSIGNING <ENT7595>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ENT7595>-MANDT = 1.
<ENT7595>-BELNR = 1.
<ENT7595>-KSTYP = 1.
<ENT7595>-KSART = 1.
<ENT7595>-KSTYI = 1.

ENDLOOP.

LOOP AT IT_ENT7595 INTO WA_ENT7595.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ENT7595-EINRI, sy-vline,
  WA_ENT7595-FALNR, sy-vline,
  WA_ENT7595-KOSTR, sy-vline,
  WA_ENT7595-LFDNR, sy-vline,
  WA_ENT7595-BEGDT, sy-vline,
  WA_ENT7595-ENDDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ENT7595 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_ENT7595 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_ENT7595 INTO WA_ENT7595.


*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 ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT7595-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT7595-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTYP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT7595-KSTYP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT7595-KSTYP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT7595-KSART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT7595-KSART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTYI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT7595-KSTYI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT7595-KSTYI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EINRI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT7595-EINRI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT7595-EINRI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FALNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT7595-FALNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT7595-FALNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT7595-KOSTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT7595-KOSTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORGAB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT7595-ORGAB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT7595-ORGAB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORGSP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT7595-ORGSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT7595-ORGSP.
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_ENT7595_STR, 
MANDT TYPE STRING,
BELNR TYPE STRING,
KSTYP TYPE STRING,
KSART TYPE STRING,
KSTYI TYPE STRING,
EINRI TYPE STRING,
FALNR TYPE STRING,
KOSTR TYPE STRING,
LFDNR TYPE STRING,
BEGDT TYPE STRING,
ENDDT TYPE STRING,
UEBAB TYPE STRING,
ERSDT TYPE STRING,
KTEXT TYPE STRING,
LGTXT TYPE STRING,
ERDAT TYPE STRING,
ERUSR TYPE STRING,
STORN TYPE STRING,
STUSR TYPE STRING,
STDAT TYPE STRING,
UPDAT TYPE STRING,
UPUSR TYPE STRING,
KTXTP TYPE STRING,
LGTXP TYPE STRING,
ORGAB TYPE STRING,
ORGSP TYPE STRING,
BEHST TYPE STRING,
DRUKZ TYPE STRING,
DRUDT TYPE STRING,
BEARB TYPE STRING,
TCODE TYPE STRING,
BMVKZ TYPE STRING,
MVDAT TYPE STRING,
ENTBT TYPE STRING,
BFEKZ TYPE STRING,
FEDAT TYPE STRING,
AUNKZ TYPE STRING,
SUNKZ TYPE STRING,
VSLKZ TYPE STRING,
GLTVK TYPE STRING,
VORLD TYPE STRING,
ASTDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ENT7595_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_ENT7595_STR-MANDT sy-vline 
WA_ENT7595_STR-BELNR sy-vline 
WA_ENT7595_STR-KSTYP sy-vline 
WA_ENT7595_STR-KSART sy-vline 
WA_ENT7595_STR-KSTYI sy-vline 
WA_ENT7595_STR-EINRI sy-vline 
WA_ENT7595_STR-FALNR sy-vline 
WA_ENT7595_STR-KOSTR sy-vline 
WA_ENT7595_STR-LFDNR sy-vline 
WA_ENT7595_STR-BEGDT sy-vline 
WA_ENT7595_STR-ENDDT sy-vline 
WA_ENT7595_STR-UEBAB sy-vline 
WA_ENT7595_STR-ERSDT sy-vline 
WA_ENT7595_STR-KTEXT sy-vline 
WA_ENT7595_STR-LGTXT sy-vline 
WA_ENT7595_STR-ERDAT sy-vline 
WA_ENT7595_STR-ERUSR sy-vline 
WA_ENT7595_STR-STORN sy-vline 
WA_ENT7595_STR-STUSR sy-vline 
WA_ENT7595_STR-STDAT sy-vline 
WA_ENT7595_STR-UPDAT sy-vline 
WA_ENT7595_STR-UPUSR sy-vline 
WA_ENT7595_STR-KTXTP sy-vline 
WA_ENT7595_STR-LGTXP sy-vline 
WA_ENT7595_STR-ORGAB sy-vline 
WA_ENT7595_STR-ORGSP sy-vline 
WA_ENT7595_STR-BEHST sy-vline 
WA_ENT7595_STR-DRUKZ sy-vline 
WA_ENT7595_STR-DRUDT sy-vline 
WA_ENT7595_STR-BEARB sy-vline 
WA_ENT7595_STR-TCODE sy-vline 
WA_ENT7595_STR-BMVKZ sy-vline 
WA_ENT7595_STR-MVDAT sy-vline 
WA_ENT7595_STR-ENTBT sy-vline 
WA_ENT7595_STR-BFEKZ sy-vline 
WA_ENT7595_STR-FEDAT sy-vline 
WA_ENT7595_STR-AUNKZ sy-vline 
WA_ENT7595_STR-SUNKZ sy-vline 
WA_ENT7595_STR-VSLKZ sy-vline 
WA_ENT7595_STR-GLTVK sy-vline 
WA_ENT7595_STR-VORLD sy-vline 
WA_ENT7595_STR-ASTDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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