ABAP Select data from SAP table /ACCGO/CAS_S_ER_MONITOR_COMMON into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/CAS_S_ER_MONITOR_COMMON 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 /ACCGO/CAS_S_ER_MONITOR_COMMON. 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 /ACCGO/CAS_S_ER_MONITOR_COMMON 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_/ACCGO/CAS_S_ER_MONITOR_COMMON TYPE STANDARD TABLE OF /ACCGO/CAS_S_ER_MONITOR_COMMON,
      WA_/ACCGO/CAS_S_ER_MONITOR_COMMON TYPE /ACCGO/CAS_S_ER_MONITOR_COMMON,
      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: </ACCGO/CAS_S_ER_MONITOR_COMMON> TYPE /ACCGO/CAS_S_ER_MONITOR_COMMON.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/CAS_S_ER_MONITOR_COMMON
  INTO TABLE IT_/ACCGO/CAS_S_ER_MONITOR_COMMON.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAS_S_ER_MONITOR_COMMON
*  INTO TABLE @DATA(IT_/ACCGO/CAS_S_ER_MONITOR_COMMON2).
*--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_/ACCGO/CAS_S_ER_MONITOR_COMMON INDEX 1 INTO DATA(WA_/ACCGO/CAS_S_ER_MONITOR_COMMON2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/CAS_S_ER_MONITOR_COMMON ASSIGNING </ACCGO/CAS_S_ER_MONITOR_COMMON>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAS_S_ER_MONITOR_COMMON>-LOCK = 1.
</ACCGO/CAS_S_ER_MONITOR_COMMON>-LOCK_ICON = 1.
</ACCGO/CAS_S_ER_MONITOR_COMMON>-RR_KEY = 1.
</ACCGO/CAS_S_ER_MONITOR_COMMON>-STL_HEADER_GUID = 1.
</ACCGO/CAS_S_ER_MONITOR_COMMON>-APPL_HDR_GUID = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/CAS_S_ER_MONITOR_COMMON INTO WA_/ACCGO/CAS_S_ER_MONITOR_COMMON.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-APPL_ITEM_GUID, sy-vline,
  WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-APPL_VERSION, sy-vline,
  WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-APPL_GUID, sy-vline,
  WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-APPL_SEQ_NO, sy-vline,
  WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-APPL_STATUS, sy-vline,
  WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-LINKDOCITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAS_S_ER_MONITOR_COMMON 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_/ACCGO/CAS_S_ER_MONITOR_COMMON 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_/ACCGO/CAS_S_ER_MONITOR_COMMON INTO WA_/ACCGO/CAS_S_ER_MONITOR_COMMON.


*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 APPL_SEQ_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-APPL_SEQ_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-APPL_SEQ_NO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field PEGID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-PEGID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAS_S_ER_MONITOR_COMMON-PEGID.
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_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR, 
LOCK TYPE STRING,
LOCK_ICON TYPE STRING,
RR_KEY TYPE STRING,
STL_HEADER_GUID TYPE STRING,
APPL_HDR_GUID TYPE STRING,
APPL_ITEM_GUID TYPE STRING,
APPL_VERSION TYPE STRING,
APPL_GUID TYPE STRING,
APPL_SEQ_NO TYPE STRING,
APPL_STATUS TYPE STRING,
LINKDOCITEM TYPE STRING,
LINKDOC_FAILED TYPE STRING,
LINKDOCNUM TYPE STRING,
UNIT_QUANTITY TYPE STRING,
UNIT_UOM TYPE STRING,
RR_STATUS TYPE STRING,
PR_STATUS TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
GM_INDI TYPE STRING,
ADTYP TYPE STRING,
PEGID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_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_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-LOCK sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-LOCK_ICON sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-RR_KEY sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-STL_HEADER_GUID sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-APPL_HDR_GUID sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-APPL_ITEM_GUID sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-APPL_VERSION sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-APPL_GUID sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-APPL_SEQ_NO sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-APPL_STATUS sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-LINKDOCITEM sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-LINKDOC_FAILED sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-LINKDOCNUM sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-UNIT_QUANTITY sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-UNIT_UOM sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-RR_STATUS sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-PR_STATUS sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-MATNR sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-WERKS sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-GM_INDI sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-ADTYP sy-vline 
WA_/ACCGO/CAS_S_ER_MONITOR_COMMON_STR-PEGID sy-vline      INTO ld_text SEPARATED BY SPACE.

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