ABAP Select data from SAP table CCIHS_MJBUF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCIHS_MJBUF
*  INTO TABLE @DATA(IT_CCIHS_MJBUF2).
*--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_CCIHS_MJBUF INDEX 1 INTO DATA(WA_CCIHS_MJBUF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCIHS_MJBUF>-VALFLG = 1.
<CCIHS_MJBUF>-CHCOFLG = 1.
<CCIHS_MJBUF>-LOCKMOD = 1.
<CCIHS_MJBUF>-LOGLOCKMOD = 1.
<CCIHS_MJBUF>-SAVEMOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCIHS_MJBUF-SPLIT, sy-vline,
  WA_CCIHS_MJBUF-BUF_ORIG_INDEX, sy-vline,
  WA_CCIHS_MJBUF-CHANGENO, sy-vline,
  WA_CCIHS_MJBUF-KEYDATE, sy-vline,
  WA_CCIHS_MJBUF-MANDT, sy-vline,
  WA_CCIHS_MJBUF-RECN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCIHS_MJBUF 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_CCIHS_MJBUF 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_CCIHS_MJBUF INTO WA_CCIHS_MJBUF.


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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field FLOWUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_MJBUF-FLOWUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_MJBUF-FLOWUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MSRTEMPUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_MJBUF-MSRTEMPUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_MJBUF-MSRTEMPUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field AIRHUMUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_MJBUF-AIRHUMUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_MJBUF-AIRHUMUNIT.
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_CCIHS_MJBUF_STR, 
VALFLG TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
LOGLOCKMOD TYPE STRING,
SAVEMOD TYPE STRING,
SPLIT TYPE STRING,
BUF_ORIG_INDEX TYPE STRING,
CHANGENO TYPE STRING,
KEYDATE TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
OBJNR TYPE STRING,
MJID TYPE STRING,
MJCAT TYPE STRING,
MJSTAT TYPE STRING,
EPTYPE TYPE STRING,
EPID TYPE STRING,
RECNTMPWA TYPE STRING,
MJVALFR TYPE STRING,
MJVALTO TYPE STRING,
MSRBGNDATE TYPE STRING,
MSRBGNTIME TYPE STRING,
MSRENDDATE TYPE STRING,
MSRENDTIME TYPE STRING,
MDURATION TYPE STRING,
MPLDURATION TYPE STRING,
MEXCHANGE TYPE STRING,
MSOURCEID TYPE STRING,
MSOURCENOTE TYPE STRING,
FIXLOCFLG TYPE STRING,
MPERIOD TYPE STRING,
FLOW TYPE STRING,
FLOWUNIT TYPE STRING,
DVNR TYPE STRING,
MDEVTYPE TYPE STRING,
METHOD TYPE STRING,
MPERSON TYPE STRING,
MPERSONGRP TYPE STRING,
MPERSONNAME TYPE STRING,
MJNOTE1 TYPE STRING,
MJNOTEFLG1 TYPE STRING,
MJNOTE2 TYPE STRING,
MJNOTEFLG2 TYPE STRING,
RESPIRATOR TYPE STRING,
SAMPLENR TYPE STRING,
MJCOSTAC TYPE STRING,
MJCTRAREA TYPE STRING,
RECNTMJ TYPE STRING,
LIMEXCEEDFLG TYPE STRING,
STMFLG TYPE STRING,
METCOASTS TYPE STRING,
METCUKY TYPE STRING,
VOLUME TYPE STRING,
VOLDECIMALS TYPE STRING,
MJCOCODE TYPE STRING,
FLGEXPLOCK TYPE STRING,
OPCOND TYPE STRING,
PLBEGDATE TYPE STRING,
PLENDDATE TYPE STRING,
MSRTEMP TYPE STRING,
MSRTEMPUNIT TYPE STRING,
AIRHUM TYPE STRING,
AIRHUMUNIT TYPE STRING,
AIRCOND TYPE STRING,
AIRCHNGRATE TYPE STRING,
PROTEQUI TYPE STRING,
FLG_NIGHT TYPE STRING,
PLBEGTIME TYPE STRING,
PLENDTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCIHS_MJBUF_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_CCIHS_MJBUF_STR-VALFLG sy-vline 
WA_CCIHS_MJBUF_STR-CHCOFLG sy-vline 
WA_CCIHS_MJBUF_STR-LOCKMOD sy-vline 
WA_CCIHS_MJBUF_STR-LOGLOCKMOD sy-vline 
WA_CCIHS_MJBUF_STR-SAVEMOD sy-vline 
WA_CCIHS_MJBUF_STR-SPLIT sy-vline 
WA_CCIHS_MJBUF_STR-BUF_ORIG_INDEX sy-vline 
WA_CCIHS_MJBUF_STR-CHANGENO sy-vline 
WA_CCIHS_MJBUF_STR-KEYDATE sy-vline 
WA_CCIHS_MJBUF_STR-MANDT sy-vline 
WA_CCIHS_MJBUF_STR-RECN sy-vline 
WA_CCIHS_MJBUF_STR-ACTN sy-vline 
WA_CCIHS_MJBUF_STR-VALFR sy-vline 
WA_CCIHS_MJBUF_STR-VALTO sy-vline 
WA_CCIHS_MJBUF_STR-AENNR sy-vline 
WA_CCIHS_MJBUF_STR-DELFLG sy-vline 
WA_CCIHS_MJBUF_STR-PARKFLG sy-vline 
WA_CCIHS_MJBUF_STR-CRDAT sy-vline 
WA_CCIHS_MJBUF_STR-CRNAM sy-vline 
WA_CCIHS_MJBUF_STR-UPDDAT sy-vline 
WA_CCIHS_MJBUF_STR-UPDNAM sy-vline 
WA_CCIHS_MJBUF_STR-SRSID sy-vline 
WA_CCIHS_MJBUF_STR-OWNID sy-vline 
WA_CCIHS_MJBUF_STR-RECNROOT sy-vline 
WA_CCIHS_MJBUF_STR-OBJNR sy-vline 
WA_CCIHS_MJBUF_STR-MJID sy-vline 
WA_CCIHS_MJBUF_STR-MJCAT sy-vline 
WA_CCIHS_MJBUF_STR-MJSTAT sy-vline 
WA_CCIHS_MJBUF_STR-EPTYPE sy-vline 
WA_CCIHS_MJBUF_STR-EPID sy-vline 
WA_CCIHS_MJBUF_STR-RECNTMPWA sy-vline 
WA_CCIHS_MJBUF_STR-MJVALFR sy-vline 
WA_CCIHS_MJBUF_STR-MJVALTO sy-vline 
WA_CCIHS_MJBUF_STR-MSRBGNDATE sy-vline 
WA_CCIHS_MJBUF_STR-MSRBGNTIME sy-vline 
WA_CCIHS_MJBUF_STR-MSRENDDATE sy-vline 
WA_CCIHS_MJBUF_STR-MSRENDTIME sy-vline 
WA_CCIHS_MJBUF_STR-MDURATION sy-vline 
WA_CCIHS_MJBUF_STR-MPLDURATION sy-vline 
WA_CCIHS_MJBUF_STR-MEXCHANGE sy-vline 
WA_CCIHS_MJBUF_STR-MSOURCEID sy-vline 
WA_CCIHS_MJBUF_STR-MSOURCENOTE sy-vline 
WA_CCIHS_MJBUF_STR-FIXLOCFLG sy-vline 
WA_CCIHS_MJBUF_STR-MPERIOD sy-vline 
WA_CCIHS_MJBUF_STR-FLOW sy-vline 
WA_CCIHS_MJBUF_STR-FLOWUNIT sy-vline 
WA_CCIHS_MJBUF_STR-DVNR sy-vline 
WA_CCIHS_MJBUF_STR-MDEVTYPE sy-vline 
WA_CCIHS_MJBUF_STR-METHOD sy-vline 
WA_CCIHS_MJBUF_STR-MPERSON sy-vline 
WA_CCIHS_MJBUF_STR-MPERSONGRP sy-vline 
WA_CCIHS_MJBUF_STR-MPERSONNAME sy-vline 
WA_CCIHS_MJBUF_STR-MJNOTE1 sy-vline 
WA_CCIHS_MJBUF_STR-MJNOTEFLG1 sy-vline 
WA_CCIHS_MJBUF_STR-MJNOTE2 sy-vline 
WA_CCIHS_MJBUF_STR-MJNOTEFLG2 sy-vline 
WA_CCIHS_MJBUF_STR-RESPIRATOR sy-vline 
WA_CCIHS_MJBUF_STR-SAMPLENR sy-vline 
WA_CCIHS_MJBUF_STR-MJCOSTAC sy-vline 
WA_CCIHS_MJBUF_STR-MJCTRAREA sy-vline 
WA_CCIHS_MJBUF_STR-RECNTMJ sy-vline 
WA_CCIHS_MJBUF_STR-LIMEXCEEDFLG sy-vline 
WA_CCIHS_MJBUF_STR-STMFLG sy-vline 
WA_CCIHS_MJBUF_STR-METCOASTS sy-vline 
WA_CCIHS_MJBUF_STR-METCUKY sy-vline 
WA_CCIHS_MJBUF_STR-VOLUME sy-vline 
WA_CCIHS_MJBUF_STR-VOLDECIMALS sy-vline 
WA_CCIHS_MJBUF_STR-MJCOCODE sy-vline 
WA_CCIHS_MJBUF_STR-FLGEXPLOCK sy-vline 
WA_CCIHS_MJBUF_STR-OPCOND sy-vline 
WA_CCIHS_MJBUF_STR-PLBEGDATE sy-vline 
WA_CCIHS_MJBUF_STR-PLENDDATE sy-vline 
WA_CCIHS_MJBUF_STR-MSRTEMP sy-vline 
WA_CCIHS_MJBUF_STR-MSRTEMPUNIT sy-vline 
WA_CCIHS_MJBUF_STR-AIRHUM sy-vline 
WA_CCIHS_MJBUF_STR-AIRHUMUNIT sy-vline 
WA_CCIHS_MJBUF_STR-AIRCOND sy-vline 
WA_CCIHS_MJBUF_STR-AIRCHNGRATE sy-vline 
WA_CCIHS_MJBUF_STR-PROTEQUI sy-vline 
WA_CCIHS_MJBUF_STR-FLG_NIGHT sy-vline 
WA_CCIHS_MJBUF_STR-PLBEGTIME sy-vline 
WA_CCIHS_MJBUF_STR-PLENDTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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