ABAP Select data from SAP table /SAPDII/INC_BAPISCHDL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPDII/INC_BAPISCHDL 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 /SAPDII/INC_BAPISCHDL. 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 /SAPDII/INC_BAPISCHDL 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_/SAPDII/INC_BAPISCHDL TYPE STANDARD TABLE OF /SAPDII/INC_BAPISCHDL,
      WA_/SAPDII/INC_BAPISCHDL TYPE /SAPDII/INC_BAPISCHDL,
      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: </SAPDII/INC_BAPISCHDL> TYPE /SAPDII/INC_BAPISCHDL.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPDII/INC_BAPISCHDL
  INTO TABLE IT_/SAPDII/INC_BAPISCHDL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPDII/INC_BAPISCHDL
*  INTO TABLE @DATA(IT_/SAPDII/INC_BAPISCHDL2).
*--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_/SAPDII/INC_BAPISCHDL INDEX 1 INTO DATA(WA_/SAPDII/INC_BAPISCHDL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPDII/INC_BAPISCHDL ASSIGNING </SAPDII/INC_BAPISCHDL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPDII/INC_BAPISCHDL>-ITM_NUMBER = 1.
</SAPDII/INC_BAPISCHDL>-SCHED_LINE = 1.
</SAPDII/INC_BAPISCHDL>-REQ_DATE = 1.
</SAPDII/INC_BAPISCHDL>-DATE_TYPE = 1.
</SAPDII/INC_BAPISCHDL>-REQ_TIME = 1.

ENDLOOP.

LOOP AT IT_/SAPDII/INC_BAPISCHDL INTO WA_/SAPDII/INC_BAPISCHDL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPDII/INC_BAPISCHDL-REQ_QTY, sy-vline,
  WA_/SAPDII/INC_BAPISCHDL-REQ_DLV_BL, sy-vline,
  WA_/SAPDII/INC_BAPISCHDL-SCHED_TYPE, sy-vline,
  WA_/SAPDII/INC_BAPISCHDL-TP_DATE, sy-vline,
  WA_/SAPDII/INC_BAPISCHDL-MS_DATE, sy-vline,
  WA_/SAPDII/INC_BAPISCHDL-LOAD_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPDII/INC_BAPISCHDL 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_/SAPDII/INC_BAPISCHDL 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_/SAPDII/INC_BAPISCHDL INTO WA_/SAPDII/INC_BAPISCHDL.


*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_/SAPDII/INC_BAPISCHDL_STR, 
ITM_NUMBER TYPE STRING,
SCHED_LINE TYPE STRING,
REQ_DATE TYPE STRING,
DATE_TYPE TYPE STRING,
REQ_TIME TYPE STRING,
REQ_QTY TYPE STRING,
REQ_DLV_BL TYPE STRING,
SCHED_TYPE TYPE STRING,
TP_DATE TYPE STRING,
MS_DATE TYPE STRING,
LOAD_DATE TYPE STRING,
GI_DATE TYPE STRING,
TP_TIME TYPE STRING,
MS_TIME TYPE STRING,
LOAD_TIME TYPE STRING,
GI_TIME TYPE STRING,
REFOBJTYPE TYPE STRING,
REFOBJKEY TYPE STRING,
REFLOGSYS TYPE STRING,
DLV_DATE TYPE STRING,
DLV_TIME TYPE STRING,
REL_TYPE TYPE STRING,
PLAN_SCHED_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPDII/INC_BAPISCHDL_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_/SAPDII/INC_BAPISCHDL_STR-ITM_NUMBER sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-SCHED_LINE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-REQ_DATE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-DATE_TYPE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-REQ_TIME sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-REQ_QTY sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-REQ_DLV_BL sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-SCHED_TYPE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-TP_DATE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-MS_DATE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-LOAD_DATE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-GI_DATE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-TP_TIME sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-MS_TIME sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-LOAD_TIME sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-GI_TIME sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-REFOBJTYPE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-REFOBJKEY sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-REFLOGSYS sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-DLV_DATE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-DLV_TIME sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-REL_TYPE sy-vline 
WA_/SAPDII/INC_BAPISCHDL_STR-PLAN_SCHED_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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