ABAP Select data from SAP table EAMS_S_SP_EAM_USER_MPLAN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAMS_S_SP_EAM_USER_MPLAN
*  INTO TABLE @DATA(IT_EAMS_S_SP_EAM_USER_MPLAN2).
*--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_EAMS_S_SP_EAM_USER_MPLAN INDEX 1 INTO DATA(WA_EAMS_S_SP_EAM_USER_MPLAN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAMS_S_SP_EAM_USER_MPLAN>-UNAME = 1.
<EAMS_S_SP_EAM_USER_MPLAN>-WARPL = 1.
<EAMS_S_SP_EAM_USER_MPLAN>-WPTXT = 1.
<EAMS_S_SP_EAM_USER_MPLAN>-FCODE = 1.
<EAMS_S_SP_EAM_USER_MPLAN>-MPLANREF_INACTIVE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAMS_S_SP_EAM_USER_MPLAN-MPLANREF_INIT_DT_AND_CNTR, sy-vline,
  WA_EAMS_S_SP_EAM_USER_MPLAN-MPLANREF_COPY_HEADER, sy-vline,
  WA_EAMS_S_SP_EAM_USER_MPLAN-MPLANREF_COPY_SCHED_PARAM, sy-vline,
  WA_EAMS_S_SP_EAM_USER_MPLAN-MPLANREF_COPY_MAINT_ITEMS, sy-vline,
  WA_EAMS_S_SP_EAM_USER_MPLAN-MPLANREF_COPY_OBJECT_LIST, sy-vline,
  WA_EAMS_S_SP_EAM_USER_MPLAN-MPLANREF_COPY_CUST_FIELDS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAMS_S_SP_EAM_USER_MPLAN 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_EAMS_S_SP_EAM_USER_MPLAN 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_EAMS_S_SP_EAM_USER_MPLAN INTO WA_EAMS_S_SP_EAM_USER_MPLAN.


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

*Conversion exit EAMQF, internal->external for field HORIZ_QUALIFIER
CALL FUNCTION 'CONVERSION_EXIT_EAMQF_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_SP_EAM_USER_MPLAN-HORIZ_QUALIFIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_SP_EAM_USER_MPLAN-HORIZ_QUALIFIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field HUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_SP_EAM_USER_MPLAN-HUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_SP_EAM_USER_MPLAN-HUNIT.
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_EAMS_S_SP_EAM_USER_MPLAN_STR, 
UNAME TYPE STRING,
WARPL TYPE STRING,
WPTXT TYPE STRING,
FCODE TYPE STRING,
MPLANREF_INACTIVE TYPE STRING,
MPLANREF_INIT_DT_AND_CNTR TYPE STRING,
MPLANREF_COPY_HEADER TYPE STRING,
MPLANREF_COPY_SCHED_PARAM TYPE STRING,
MPLANREF_COPY_MAINT_ITEMS TYPE STRING,
MPLANREF_COPY_OBJECT_LIST TYPE STRING,
MPLANREF_COPY_CUST_FIELDS TYPE STRING,
MPLANREF_COPY_CLFN TYPE STRING,
MPLANREF_COPY_COMPL TYPE STRING,
VSPOS TYPE STRING,
VSNEG TYPE STRING,
TOPOS TYPE STRING,
TONEG TYPE STRING,
FABKL TYPE STRING,
HORIZ TYPE STRING,
HORIZ_QUALIFIER TYPE STRING,
ABRHO TYPE STRING,
HUNIT TYPE STRING,
CALL_CONFIRM TYPE STRING,
ZEIT TYPE STRING,
STICH TYPE STRING,
KALENDER TYPE STRING,
OR_KNZ TYPE STRING,
AND_KNZ TYPE STRING,
SFAKT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAMS_S_SP_EAM_USER_MPLAN_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_EAMS_S_SP_EAM_USER_MPLAN_STR-UNAME sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-WARPL sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-WPTXT sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-FCODE sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-MPLANREF_INACTIVE sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-MPLANREF_INIT_DT_AND_CNTR sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-MPLANREF_COPY_HEADER sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-MPLANREF_COPY_SCHED_PARAM sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-MPLANREF_COPY_MAINT_ITEMS sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-MPLANREF_COPY_OBJECT_LIST sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-MPLANREF_COPY_CUST_FIELDS sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-MPLANREF_COPY_CLFN sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-MPLANREF_COPY_COMPL sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-VSPOS sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-VSNEG sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-TOPOS sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-TONEG sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-FABKL sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-HORIZ sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-HORIZ_QUALIFIER sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-ABRHO sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-HUNIT sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-CALL_CONFIRM sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-ZEIT sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-STICH sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-KALENDER sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-OR_KNZ sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-AND_KNZ sy-vline 
WA_EAMS_S_SP_EAM_USER_MPLAN_STR-SFAKT sy-vline      INTO ld_text SEPARATED BY SPACE.

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