ABAP Select data from SAP table IMSTRRECPHDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMSTRRECPHDR
*  INTO TABLE @DATA(IT_IMSTRRECPHDR2).
*--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_IMSTRRECPHDR INDEX 1 INTO DATA(WA_IMSTRRECPHDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMSTRRECPHDR>-MANDT = 1.
<IMSTRRECPHDR>-BILLOFOPERATIONSTYPE = 1.
<IMSTRRECPHDR>-BILLOFOPERATIONSGROUP = 1.
<IMSTRRECPHDR>-BILLOFOPERATIONSVARIANT = 1.
<IMSTRRECPHDR>-BOOINTERNALVERSIONCOUNTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMSTRRECPHDR-VALIDITYSTARTDATE, sy-vline,
  WA_IMSTRRECPHDR-VALIDITYENDDATE, sy-vline,
  WA_IMSTRRECPHDR-CHANGENUMBER, sy-vline,
  WA_IMSTRRECPHDR-ISMARKEDFORDELETION, sy-vline,
  WA_IMSTRRECPHDR-ISDELETED, sy-vline,
  WA_IMSTRRECPHDR-ISIMPLICITLYDELETED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMSTRRECPHDR 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_IMSTRRECPHDR 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_IMSTRRECPHDR INTO WA_IMSTRRECPHDR.


*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 BILLOFOPERATIONSGROUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMSTRRECPHDR-BILLOFOPERATIONSGROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMSTRRECPHDR-BILLOFOPERATIONSGROUP.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field LONGTEXTLANGUAGECODE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_IMSTRRECPHDR-LONGTEXTLANGUAGECODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMSTRRECPHDR-LONGTEXTLANGUAGECODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BILLOFOPERATIONSUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IMSTRRECPHDR-BILLOFOPERATIONSUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMSTRRECPHDR-BILLOFOPERATIONSUNIT.
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_IMSTRRECPHDR_STR, 
MANDT TYPE STRING,
BILLOFOPERATIONSTYPE TYPE STRING,
BILLOFOPERATIONSGROUP TYPE STRING,
BILLOFOPERATIONSVARIANT TYPE STRING,
BOOINTERNALVERSIONCOUNTER TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
CHANGENUMBER TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
ISDELETED TYPE STRING,
ISIMPLICITLYDELETED TYPE STRING,
BILLOFOPERATIONSDESC TYPE STRING,
LONGTEXTLANGUAGECODE TYPE STRING,
PLANT TYPE STRING,
BILLOFOPERATIONSUSAGE TYPE STRING,
BILLOFOPERATIONSSTATUS TYPE STRING,
RESPONSIBLEPLANNERGROUP TYPE STRING,
BILLOFOPERATIONSPROFILE TYPE STRING,
MINIMUMLOTSIZEQUANTITY TYPE STRING,
MAXIMUMLOTSIZEQUANTITY TYPE STRING,
BILLOFOPERATIONSUNIT TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CHANGEDDATETIME TYPE STRING,
PLAINLONGTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMSTRRECPHDR_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_IMSTRRECPHDR_STR-MANDT sy-vline 
WA_IMSTRRECPHDR_STR-BILLOFOPERATIONSTYPE sy-vline 
WA_IMSTRRECPHDR_STR-BILLOFOPERATIONSGROUP sy-vline 
WA_IMSTRRECPHDR_STR-BILLOFOPERATIONSVARIANT sy-vline 
WA_IMSTRRECPHDR_STR-BOOINTERNALVERSIONCOUNTER sy-vline 
WA_IMSTRRECPHDR_STR-VALIDITYSTARTDATE sy-vline 
WA_IMSTRRECPHDR_STR-VALIDITYENDDATE sy-vline 
WA_IMSTRRECPHDR_STR-CHANGENUMBER sy-vline 
WA_IMSTRRECPHDR_STR-ISMARKEDFORDELETION sy-vline 
WA_IMSTRRECPHDR_STR-ISDELETED sy-vline 
WA_IMSTRRECPHDR_STR-ISIMPLICITLYDELETED sy-vline 
WA_IMSTRRECPHDR_STR-BILLOFOPERATIONSDESC sy-vline 
WA_IMSTRRECPHDR_STR-LONGTEXTLANGUAGECODE sy-vline 
WA_IMSTRRECPHDR_STR-PLANT sy-vline 
WA_IMSTRRECPHDR_STR-BILLOFOPERATIONSUSAGE sy-vline 
WA_IMSTRRECPHDR_STR-BILLOFOPERATIONSSTATUS sy-vline 
WA_IMSTRRECPHDR_STR-RESPONSIBLEPLANNERGROUP sy-vline 
WA_IMSTRRECPHDR_STR-BILLOFOPERATIONSPROFILE sy-vline 
WA_IMSTRRECPHDR_STR-MINIMUMLOTSIZEQUANTITY sy-vline 
WA_IMSTRRECPHDR_STR-MAXIMUMLOTSIZEQUANTITY sy-vline 
WA_IMSTRRECPHDR_STR-BILLOFOPERATIONSUNIT sy-vline 
WA_IMSTRRECPHDR_STR-CREATIONDATE sy-vline 
WA_IMSTRRECPHDR_STR-CREATEDBYUSER sy-vline 
WA_IMSTRRECPHDR_STR-LASTCHANGEDATE sy-vline 
WA_IMSTRRECPHDR_STR-LASTCHANGEDBYUSER sy-vline 
WA_IMSTRRECPHDR_STR-CHANGEDDATETIME sy-vline 
WA_IMSTRRECPHDR_STR-PLAINLONGTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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