ABAP Select data from SAP table CCMSBI_SWNCGLSUBVMC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCMSBI_SWNCGLSUBVMC
*  INTO TABLE @DATA(IT_CCMSBI_SWNCGLSUBVMC2).
*--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_CCMSBI_SWNCGLSUBVMC INDEX 1 INTO DATA(WA_CCMSBI_SWNCGLSUBVMC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCMSBI_SWNCGLSUBVMC>-VM_HANDLE = 1.
<CCMSBI_SWNCGLSUBVMC>-VM_TYPE = 1.
<CCMSBI_SWNCGLSUBVMC>-REQUEST_TYPE = 1.
<CCMSBI_SWNCGLSUBVMC>-CALL_COUNT = 1.
<CCMSBI_SWNCGLSUBVMC>-COUNT_ATTACH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCMSBI_SWNCGLSUBVMC-COUNT_DETACH, sy-vline,
  WA_CCMSBI_SWNCGLSUBVMC-COUNT_GC_EXP_LCL, sy-vline,
  WA_CCMSBI_SWNCGLSUBVMC-COUNT_GC_EXP_SHD, sy-vline,
  WA_CCMSBI_SWNCGLSUBVMC-COUNT_GC_OLD, sy-vline,
  WA_CCMSBI_SWNCGLSUBVMC-COUNT_GC_SHARED, sy-vline,
  WA_CCMSBI_SWNCGLSUBVMC-COUNT_GC_YOUNG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCMSBI_SWNCGLSUBVMC 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_CCMSBI_SWNCGLSUBVMC 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_CCMSBI_SWNCGLSUBVMC INTO WA_CCMSBI_SWNCGLSUBVMC.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CCMSBI_SWNCGLSUBVMC_STR, 
VM_HANDLE TYPE STRING,
VM_TYPE TYPE STRING,
REQUEST_TYPE TYPE STRING,
CALL_COUNT TYPE STRING,
COUNT_ATTACH TYPE STRING,
COUNT_DETACH TYPE STRING,
COUNT_GC_EXP_LCL TYPE STRING,
COUNT_GC_EXP_SHD TYPE STRING,
COUNT_GC_OLD TYPE STRING,
COUNT_GC_SHARED TYPE STRING,
COUNT_GC_YOUNG TYPE STRING,
COUNT_JIT_DECOMP TYPE STRING,
COUNT_JIT_RETRY TYPE STRING,
COUNT_JIT_SUCC TYPE STRING,
COUNT_JIT_TRIAL TYPE STRING,
COUNT_LD_CL_CONF TYPE STRING,
COUNT_LD_CL_LCL TYPE STRING,
COUNT_LD_CL_SHRD TYPE STRING,
COUNT_NBYTE_SW TYPE STRING,
COUNT_THREAD_SW TYPE STRING,
COUNT_CLONE TYPE STRING,
MEM_ALLOC_LOCAL TYPE STRING,
MEM_ALLOC_SHRD TYPE STRING,
MEM_CL_AL_LOCAL TYPE STRING,
MEM_CL_AL_SHARE TYPE STRING,
MEM_CL_FR_LOCAL TYPE STRING,
MEM_CL_FR_SHRD TYPE STRING,
MEM_CH_AL_LOCAL TYPE STRING,
MEM_CH_AL_SHARE TYPE STRING,
MEM_CH_FR_LOCAL TYPE STRING,
MEM_CH_FR_SHRD TYPE STRING,
MEM_CH_MAX_WMEM TYPE STRING,
MEM_CH_USED_LOC TYPE STRING,
MEM_CH_USED_SHRD TYPE STRING,
MEM_CH_WRG_PRED TYPE STRING,
MEM_IO_FILE_READ TYPE STRING,
MEM_IO_FILE_WRTE TYPE STRING,
MEM_IO_NET_RECV TYPE STRING,
MEM_IO_NET_SEND TYPE STRING,
MEM_MISC_AL_SHRD TYPE STRING,
MEM_MISC_FR_LCL TYPE STRING,
MEM_MISC_FR_SHRD TYPE STRING,
MEM_MISC_LOCAL TYPE STRING,
MEM_MISC_PROFNG TYPE STRING,
MEM_OBJS_AL_OLD TYPE STRING,
MEM_OBJS_AL_SHRD TYPE STRING,
MEM_OBJS_AL_YOUN TYPE STRING,
MEM_OBJS_FR_OLD TYPE STRING,
MEM_OBJS_FR_SHRD TYPE STRING,
MEM_OBJS_FR_YOUN TYPE STRING,
MEM_OBJS_PROM TYPE STRING,
MAX_THREAD_RUNTI TYPE STRING,
TIME_ATTACH TYPE STRING,
TIME_DETACH TYPE STRING,
TIME_GC_OLD TYPE STRING,
TIME_GC_OLD_CPU TYPE STRING,
TIME_GC_SHRD TYPE STRING,
TIME_GC_SHRD_CPU TYPE STRING,
TIME_GC_YOUNG TYPE STRING,
TIME_GC_YOUN_CPU TYPE STRING,
TIME_GEN_BYTE TYPE STRING,
TIME_GEN_JAVA TYPE STRING,
TIME_GEN_NATIVE TYPE STRING,
VM_CPU_TIME TYPE STRING,
VM_ELAPSED_TIME TYPE STRING,
TIME_CLONE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCMSBI_SWNCGLSUBVMC_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_CCMSBI_SWNCGLSUBVMC_STR-VM_HANDLE sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-VM_TYPE sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-REQUEST_TYPE sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-CALL_COUNT sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_ATTACH sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_DETACH sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_GC_EXP_LCL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_GC_EXP_SHD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_GC_OLD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_GC_SHARED sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_GC_YOUNG sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_JIT_DECOMP sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_JIT_RETRY sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_JIT_SUCC sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_JIT_TRIAL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_LD_CL_CONF sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_LD_CL_LCL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_LD_CL_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_NBYTE_SW sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_THREAD_SW sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-COUNT_CLONE sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_ALLOC_LOCAL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_ALLOC_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CL_AL_LOCAL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CL_AL_SHARE sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CL_FR_LOCAL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CL_FR_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CH_AL_LOCAL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CH_AL_SHARE sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CH_FR_LOCAL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CH_FR_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CH_MAX_WMEM sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CH_USED_LOC sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CH_USED_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_CH_WRG_PRED sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_IO_FILE_READ sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_IO_FILE_WRTE sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_IO_NET_RECV sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_IO_NET_SEND sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_MISC_AL_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_MISC_FR_LCL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_MISC_FR_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_MISC_LOCAL sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_MISC_PROFNG sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_OBJS_AL_OLD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_OBJS_AL_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_OBJS_AL_YOUN sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_OBJS_FR_OLD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_OBJS_FR_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_OBJS_FR_YOUN sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MEM_OBJS_PROM sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-MAX_THREAD_RUNTI sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_ATTACH sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_DETACH sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_GC_OLD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_GC_OLD_CPU sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_GC_SHRD sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_GC_SHRD_CPU sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_GC_YOUNG sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_GC_YOUN_CPU sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_GEN_BYTE sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_GEN_JAVA sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_GEN_NATIVE sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-VM_CPU_TIME sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-VM_ELAPSED_TIME sy-vline 
WA_CCMSBI_SWNCGLSUBVMC_STR-TIME_CLONE sy-vline      INTO ld_text SEPARATED BY SPACE.

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