ABAP Select data from SAP table CCIHS_MJ into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

Below is a number of ABAP code snippets to demonstrate how to select data from SAP CCIHS_MJ 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_MJ. 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_MJ 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_MJ TYPE STANDARD TABLE OF CCIHS_MJ,
      WA_CCIHS_MJ TYPE CCIHS_MJ,
      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_MJ> TYPE CCIHS_MJ.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCIHS_MJ
*  INTO TABLE @DATA(IT_CCIHS_MJ2).
*--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_MJ INDEX 1 INTO DATA(WA_CCIHS_MJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCIHS_MJ>-OBJNR = 1.
<CCIHS_MJ>-MJID = 1.
<CCIHS_MJ>-MJCAT = 1.
<CCIHS_MJ>-MJSTAT = 1.
<CCIHS_MJ>-EPTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCIHS_MJ-EPID, sy-vline,
  WA_CCIHS_MJ-RECNTMPWA, sy-vline,
  WA_CCIHS_MJ-MJVALFR, sy-vline,
  WA_CCIHS_MJ-MJVALTO, sy-vline,
  WA_CCIHS_MJ-MSRBGNDATE, sy-vline,
  WA_CCIHS_MJ-MSRBGNTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCIHS_MJ 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_MJ 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_MJ INTO WA_CCIHS_MJ.


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

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

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

*Conversion exit ALPHA, internal->external for field RECNTMJ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_MJ-RECNTMJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_MJ-RECNTMJ.
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_MJ_STR, 
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,END OF T_EKKO_STR.
DATA: WA_CCIHS_MJ_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_MJ_STR-OBJNR sy-vline 
WA_CCIHS_MJ_STR-MJID sy-vline 
WA_CCIHS_MJ_STR-MJCAT sy-vline 
WA_CCIHS_MJ_STR-MJSTAT sy-vline 
WA_CCIHS_MJ_STR-EPTYPE sy-vline 
WA_CCIHS_MJ_STR-EPID sy-vline 
WA_CCIHS_MJ_STR-RECNTMPWA sy-vline 
WA_CCIHS_MJ_STR-MJVALFR sy-vline 
WA_CCIHS_MJ_STR-MJVALTO sy-vline 
WA_CCIHS_MJ_STR-MSRBGNDATE sy-vline 
WA_CCIHS_MJ_STR-MSRBGNTIME sy-vline 
WA_CCIHS_MJ_STR-MSRENDDATE sy-vline 
WA_CCIHS_MJ_STR-MSRENDTIME sy-vline 
WA_CCIHS_MJ_STR-MDURATION sy-vline 
WA_CCIHS_MJ_STR-MPLDURATION sy-vline 
WA_CCIHS_MJ_STR-MEXCHANGE sy-vline 
WA_CCIHS_MJ_STR-MSOURCEID sy-vline 
WA_CCIHS_MJ_STR-MSOURCENOTE sy-vline 
WA_CCIHS_MJ_STR-FIXLOCFLG sy-vline 
WA_CCIHS_MJ_STR-MPERIOD sy-vline 
WA_CCIHS_MJ_STR-FLOW sy-vline 
WA_CCIHS_MJ_STR-FLOWUNIT sy-vline 
WA_CCIHS_MJ_STR-DVNR sy-vline 
WA_CCIHS_MJ_STR-MDEVTYPE sy-vline 
WA_CCIHS_MJ_STR-METHOD sy-vline 
WA_CCIHS_MJ_STR-MPERSON sy-vline 
WA_CCIHS_MJ_STR-MPERSONGRP sy-vline 
WA_CCIHS_MJ_STR-MPERSONNAME sy-vline 
WA_CCIHS_MJ_STR-MJNOTE1 sy-vline 
WA_CCIHS_MJ_STR-MJNOTEFLG1 sy-vline 
WA_CCIHS_MJ_STR-MJNOTE2 sy-vline 
WA_CCIHS_MJ_STR-MJNOTEFLG2 sy-vline 
WA_CCIHS_MJ_STR-RESPIRATOR sy-vline 
WA_CCIHS_MJ_STR-SAMPLENR sy-vline 
WA_CCIHS_MJ_STR-MJCOSTAC sy-vline 
WA_CCIHS_MJ_STR-MJCTRAREA sy-vline 
WA_CCIHS_MJ_STR-RECNTMJ sy-vline 
WA_CCIHS_MJ_STR-LIMEXCEEDFLG sy-vline 
WA_CCIHS_MJ_STR-STMFLG sy-vline 
WA_CCIHS_MJ_STR-METCOASTS sy-vline 
WA_CCIHS_MJ_STR-METCUKY sy-vline 
WA_CCIHS_MJ_STR-VOLUME sy-vline 
WA_CCIHS_MJ_STR-VOLDECIMALS sy-vline 
WA_CCIHS_MJ_STR-MJCOCODE sy-vline 
WA_CCIHS_MJ_STR-FLGEXPLOCK sy-vline 
WA_CCIHS_MJ_STR-OPCOND sy-vline      INTO ld_text SEPARATED BY SPACE.

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