ABAP Select data from SAP table BAPI10400ORDER_HEAD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI10400ORDER_HEAD 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 BAPI10400ORDER_HEAD. 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 BAPI10400ORDER_HEAD 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_BAPI10400ORDER_HEAD TYPE STANDARD TABLE OF BAPI10400ORDER_HEAD,
      WA_BAPI10400ORDER_HEAD TYPE BAPI10400ORDER_HEAD,
      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: <BAPI10400ORDER_HEAD> TYPE BAPI10400ORDER_HEAD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPI10400ORDER_HEAD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPI10400ORDER_HEAD
  INTO TABLE IT_BAPI10400ORDER_HEAD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI10400ORDER_HEAD
*  INTO TABLE @DATA(IT_BAPI10400ORDER_HEAD2).
*--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_BAPI10400ORDER_HEAD INDEX 1 INTO DATA(WA_BAPI10400ORDER_HEAD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPI10400ORDER_HEAD ASSIGNING <BAPI10400ORDER_HEAD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI10400ORDER_HEAD>-EXT_ORDER_NUMBER = 1.
<BAPI10400ORDER_HEAD>-OBJECT_NUMBER = 1.
<BAPI10400ORDER_HEAD>-INTERNAL_ORDER_NUMBER = 1.
<BAPI10400ORDER_HEAD>-SIM_VERSION_EXT = 1.
<BAPI10400ORDER_HEAD>-METHOD = 1.

ENDLOOP.

LOOP AT IT_BAPI10400ORDER_HEAD INTO WA_BAPI10400ORDER_HEAD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI10400ORDER_HEAD-RES_NUMBER, sy-vline,
  WA_BAPI10400ORDER_HEAD-LOCATION, sy-vline,
  WA_BAPI10400ORDER_HEAD-PROD_VERSION, sy-vline,
  WA_BAPI10400ORDER_HEAD-PLANED_ORDER_CONV_IND, sy-vline,
  WA_BAPI10400ORDER_HEAD-NO_FINAL_ASSEMBLY, sy-vline,
  WA_BAPI10400ORDER_HEAD-INPUT_FIX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI10400ORDER_HEAD 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_BAPI10400ORDER_HEAD 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_BAPI10400ORDER_HEAD INTO WA_BAPI10400ORDER_HEAD.


*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 TSTPS, internal->external for field EXPANSION_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BAPI10400ORDER_HEAD-EXPANSION_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI10400ORDER_HEAD-EXPANSION_DATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field ORD_START_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BAPI10400ORDER_HEAD-ORD_START_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI10400ORDER_HEAD-ORD_START_DATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field ORD_END_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BAPI10400ORDER_HEAD-ORD_END_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI10400ORDER_HEAD-ORD_END_DATE.
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_BAPI10400ORDER_HEAD_STR, 
EXT_ORDER_NUMBER TYPE STRING,
OBJECT_NUMBER TYPE STRING,
INTERNAL_ORDER_NUMBER TYPE STRING,
SIM_VERSION_EXT TYPE STRING,
METHOD TYPE STRING,
RES_NUMBER TYPE STRING,
LOCATION TYPE STRING,
PROD_VERSION TYPE STRING,
PLANED_ORDER_CONV_IND TYPE STRING,
NO_FINAL_ASSEMBLY TYPE STRING,
INPUT_FIX TYPE STRING,
OUTPUT_FIX TYPE STRING,
DATE_FIX TYPE STRING,
EXPANSION_DATE TYPE STRING,
ORD_START_DATE TYPE STRING,
ORD_END_DATE TYPE STRING,
PROCUREMENT_TYPE TYPE STRING,
VENDOR TYPE STRING,
INT_CONFIG_NUM TYPE STRING,
ORDER_PRIORITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI10400ORDER_HEAD_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_BAPI10400ORDER_HEAD_STR-EXT_ORDER_NUMBER sy-vline 
WA_BAPI10400ORDER_HEAD_STR-OBJECT_NUMBER sy-vline 
WA_BAPI10400ORDER_HEAD_STR-INTERNAL_ORDER_NUMBER sy-vline 
WA_BAPI10400ORDER_HEAD_STR-SIM_VERSION_EXT sy-vline 
WA_BAPI10400ORDER_HEAD_STR-METHOD sy-vline 
WA_BAPI10400ORDER_HEAD_STR-RES_NUMBER sy-vline 
WA_BAPI10400ORDER_HEAD_STR-LOCATION sy-vline 
WA_BAPI10400ORDER_HEAD_STR-PROD_VERSION sy-vline 
WA_BAPI10400ORDER_HEAD_STR-PLANED_ORDER_CONV_IND sy-vline 
WA_BAPI10400ORDER_HEAD_STR-NO_FINAL_ASSEMBLY sy-vline 
WA_BAPI10400ORDER_HEAD_STR-INPUT_FIX sy-vline 
WA_BAPI10400ORDER_HEAD_STR-OUTPUT_FIX sy-vline 
WA_BAPI10400ORDER_HEAD_STR-DATE_FIX sy-vline 
WA_BAPI10400ORDER_HEAD_STR-EXPANSION_DATE sy-vline 
WA_BAPI10400ORDER_HEAD_STR-ORD_START_DATE sy-vline 
WA_BAPI10400ORDER_HEAD_STR-ORD_END_DATE sy-vline 
WA_BAPI10400ORDER_HEAD_STR-PROCUREMENT_TYPE sy-vline 
WA_BAPI10400ORDER_HEAD_STR-VENDOR sy-vline 
WA_BAPI10400ORDER_HEAD_STR-INT_CONFIG_NUM sy-vline 
WA_BAPI10400ORDER_HEAD_STR-ORDER_PRIORITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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