ABAP Select data from SAP table MPE_MJRASSMBLY_ISSUES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MPE_MJRASSMBLY_ISSUES
*  INTO TABLE @DATA(IT_MPE_MJRASSMBLY_ISSUES2).
*--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_MPE_MJRASSMBLY_ISSUES INDEX 1 INTO DATA(WA_MPE_MJRASSMBLY_ISSUES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MPE_MJRASSMBLY_ISSUES>-MANDT = 1.
<MPE_MJRASSMBLY_ISSUES>-OBJECT = 1.
<MPE_MJRASSMBLY_ISSUES>-GUID = 1.
<MPE_MJRASSMBLY_ISSUES>-PSPID = 1.
<MPE_MJRASSMBLY_ISSUES>-AUFNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MPE_MJRASSMBLY_ISSUES-PSPEL, sy-vline,
  WA_MPE_MJRASSMBLY_ISSUES-VORNR, sy-vline,
  WA_MPE_MJRASSMBLY_ISSUES-LTXA1, sy-vline,
  WA_MPE_MJRASSMBLY_ISSUES-RFPNT, sy-vline,
  WA_MPE_MJRASSMBLY_ISSUES-IDNRK, sy-vline,
  WA_MPE_MJRASSMBLY_ISSUES-STLNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MPE_MJRASSMBLY_ISSUES 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_MPE_MJRASSMBLY_ISSUES 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_MPE_MJRASSMBLY_ISSUES INTO WA_MPE_MJRASSMBLY_ISSUES.


*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 ABPSN, internal->external for field PSPID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_MPE_MJRASSMBLY_ISSUES-PSPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_MJRASSMBLY_ISSUES-PSPID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSP, internal->external for field PSPEL
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_MPE_MJRASSMBLY_ISSUES-PSPEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_MJRASSMBLY_ISSUES-PSPEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_MPE_MJRASSMBLY_ISSUES-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_MJRASSMBLY_ISSUES-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field IDNRK
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MPE_MJRASSMBLY_ISSUES-IDNRK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_MJRASSMBLY_ISSUES-IDNRK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_MPE_MJRASSMBLY_ISSUES-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_MJRASSMBLY_ISSUES-STLNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field MAJOR_ASSEMBLY
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MPE_MJRASSMBLY_ISSUES-MAJOR_ASSEMBLY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_MJRASSMBLY_ISSUES-MAJOR_ASSEMBLY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_MPE_MJRASSMBLY_ISSUES-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_MJRASSMBLY_ISSUES-POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CCMAT, internal->external for field MATNR_LO
CALL FUNCTION 'CONVERSION_EXIT_CCMAT_OUTPUT'
  EXPORTING
    input =                      WA_MPE_MJRASSMBLY_ISSUES-MATNR_LO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_MJRASSMBLY_ISSUES-MATNR_LO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field STARTUP_LO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MPE_MJRASSMBLY_ISSUES-STARTUP_LO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_MJRASSMBLY_ISSUES-STARTUP_LO.
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_MPE_MJRASSMBLY_ISSUES_STR, 
MANDT TYPE STRING,
OBJECT TYPE STRING,
GUID TYPE STRING,
PSPID TYPE STRING,
AUFNR TYPE STRING,
PSPEL TYPE STRING,
VORNR TYPE STRING,
LTXA1 TYPE STRING,
RFPNT TYPE STRING,
IDNRK TYPE STRING,
STLNR TYPE STRING,
STLAL TYPE STRING,
BOM_VERSN TYPE STRING,
LASTEST_VERSN TYPE STRING,
ISSUE TYPE STRING,
DRILLINTOBOM TYPE STRING,
DRILLINTOPROJ TYPE STRING,
DRILLINTOEXPLOSN TYPE STRING,
DRILLINTOUPDPROJ TYPE STRING,
CREATE_ACTIVITY TYPE STRING,
DELETE_ACTIVITY TYPE STRING,
ASSIGNBOMANDNETWORK TYPE STRING,
SEQUENCE TYPE STRING,
ERROR_TEXT TYPE STRING,
MSGNR TYPE STRING,
MAKTX TYPE STRING,
NAME1 TYPE STRING,
ARTXT TYPE STRING,
KSCHL TYPE STRING,
RSPOS TYPE STRING,
STLAN TYPE STRING,
AENNR TYPE STRING,
TECHS TYPE STRING,
STLTY TYPE STRING,
PARAMETER_EFFECTIVITY TYPE STRING,
MTART TYPE STRING,
MAJOR_ASSEMBLY TYPE STRING,
FIX TYPE STRING,
ISSUE_TYPE TYPE STRING,
DIAGNOSIS TYPE STRING,
ISSUE_TYPE_DESP TYPE STRING,
PLANT_PROJ TYPE STRING,
IKIT_DESC TYPE STRING,
MASS_DESC TYPE STRING,
POSID TYPE STRING,
BOM_FLAG TYPE STRING,
DISPO TYPE STRING,
FEVOR TYPE STRING,
SFI_ID TYPE STRING,
DATE_LO TYPE STRING,
DATE_HI TYPE STRING,
DATE_OI TYPE STRING,
MATNR_LO TYPE STRING,
SERNR_LO TYPE STRING,
SERNR_HI TYPE STRING,
PRODUCT_LO TYPE STRING,
CLASS_LO TYPE STRING,
CLASSTY_LO TYPE STRING,
PLANT_LO TYPE STRING,
STARTUP_LO TYPE STRING,
LOCNO_LO TYPE STRING,
SERNR_OI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MPE_MJRASSMBLY_ISSUES_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_MPE_MJRASSMBLY_ISSUES_STR-MANDT sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-OBJECT sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-GUID sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-PSPID sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-AUFNR sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-PSPEL sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-VORNR sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-LTXA1 sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-RFPNT sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-IDNRK sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-STLNR sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-STLAL sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-BOM_VERSN sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-LASTEST_VERSN sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-ISSUE sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DRILLINTOBOM sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DRILLINTOPROJ sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DRILLINTOEXPLOSN sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DRILLINTOUPDPROJ sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-CREATE_ACTIVITY sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DELETE_ACTIVITY sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-ASSIGNBOMANDNETWORK sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-SEQUENCE sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-ERROR_TEXT sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-MSGNR sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-MAKTX sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-NAME1 sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-ARTXT sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-KSCHL sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-RSPOS sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-STLAN sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-AENNR sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-TECHS sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-STLTY sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-PARAMETER_EFFECTIVITY sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-MTART sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-MAJOR_ASSEMBLY sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-FIX sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-ISSUE_TYPE sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DIAGNOSIS sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-ISSUE_TYPE_DESP sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-PLANT_PROJ sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-IKIT_DESC sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-MASS_DESC sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-POSID sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-BOM_FLAG sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DISPO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-FEVOR sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-SFI_ID sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DATE_LO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DATE_HI sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-DATE_OI sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-MATNR_LO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-SERNR_LO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-SERNR_HI sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-PRODUCT_LO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-CLASS_LO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-CLASSTY_LO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-PLANT_LO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-STARTUP_LO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-LOCNO_LO sy-vline 
WA_MPE_MJRASSMBLY_ISSUES_STR-SERNR_OI sy-vline      INTO ld_text SEPARATED BY SPACE.

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