ABAP Select data from SAP table CRMT_ISU_CM_I into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_ISU_CM_I
*  INTO TABLE @DATA(IT_CRMT_ISU_CM_I2).
*--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_CRMT_ISU_CM_I INDEX 1 INTO DATA(WA_CRMT_ISU_CM_I2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_ISU_CM_I>-CLIENT = 1.
<CRMT_ISU_CM_I>-CHECK_RUN_GUID = 1.
<CRMT_ISU_CM_I>-CHECK_RUN_HEADER = 1.
<CRMT_ISU_CM_I>-JOBNAME = 1.
<CRMT_ISU_CM_I>-JOBCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_ISU_CM_I-STEPCOUNT, sy-vline,
  WA_CRMT_ISU_CM_I-CHECK_CLASS, sy-vline,
  WA_CRMT_ISU_CM_I-STARTED_AT, sy-vline,
  WA_CRMT_ISU_CM_I-EXECUTED_AT, sy-vline,
  WA_CRMT_ISU_CM_I-COMPLETED_AT, sy-vline,
  WA_CRMT_ISU_CM_I-WARNINGS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_ISU_CM_I 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_CRMT_ISU_CM_I 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_CRMT_ISU_CM_I INTO WA_CRMT_ISU_CM_I.


*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 TSTLC, internal->external for field STARTED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_ISU_CM_I-STARTED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_ISU_CM_I-STARTED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field EXECUTED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_ISU_CM_I-EXECUTED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_ISU_CM_I-EXECUTED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field COMPLETED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_ISU_CM_I-COMPLETED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_ISU_CM_I-COMPLETED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field RETESTED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_ISU_CM_I-RETESTED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_ISU_CM_I-RETESTED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field NEXT_CHECK_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_ISU_CM_I-NEXT_CHECK_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_ISU_CM_I-NEXT_CHECK_AT.
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_CRMT_ISU_CM_I_STR, 
CLIENT TYPE STRING,
CHECK_RUN_GUID TYPE STRING,
CHECK_RUN_HEADER TYPE STRING,
JOBNAME TYPE STRING,
JOBCOUNT TYPE STRING,
STEPCOUNT TYPE STRING,
CHECK_CLASS TYPE STRING,
STARTED_AT TYPE STRING,
EXECUTED_AT TYPE STRING,
COMPLETED_AT TYPE STRING,
WARNINGS TYPE STRING,
ERRORS TYPE STRING,
RETESTED_AT TYPE STRING,
PARTITIAL_CHECK TYPE STRING,
OUTDATED TYPE STRING,
ISSUES TYPE STRING,
OPEN_ISSUES TYPE STRING,
SOLVED_ISSUES TYPE STRING,
DELETED TYPE STRING,
IN_PROCESS_QRFC TYPE STRING,
IN_PROCESS_CORR TYPE STRING,
IN_PROCESS_JOB TYPE STRING,
ABORTED TYPE STRING,
NOT_EXECUTED TYPE STRING,
REF_CHECK_GUID TYPE STRING,
PERSISTED TYPE STRING,
READ_ONLY TYPE STRING,
BATCH_MODE TYPE STRING,
CHANGED TYPE STRING,
LOCKED TYPE STRING,
SELECTED TYPE STRING,
STATUS_ICON TYPE STRING,
STATUS_ICON_TOOLTIP TYPE STRING,
ABORTED_TMP TYPE STRING,
PERIODIC TYPE STRING,
NEXT_CHECK_AT TYPE STRING,
CORRECTION_SUPPORTED TYPE STRING,
RUNNING_JOBNAME TYPE STRING,
RUNNING_JOBCOUNT TYPE STRING,
RUNNING_STEPCOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_ISU_CM_I_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_CRMT_ISU_CM_I_STR-CLIENT sy-vline 
WA_CRMT_ISU_CM_I_STR-CHECK_RUN_GUID sy-vline 
WA_CRMT_ISU_CM_I_STR-CHECK_RUN_HEADER sy-vline 
WA_CRMT_ISU_CM_I_STR-JOBNAME sy-vline 
WA_CRMT_ISU_CM_I_STR-JOBCOUNT sy-vline 
WA_CRMT_ISU_CM_I_STR-STEPCOUNT sy-vline 
WA_CRMT_ISU_CM_I_STR-CHECK_CLASS sy-vline 
WA_CRMT_ISU_CM_I_STR-STARTED_AT sy-vline 
WA_CRMT_ISU_CM_I_STR-EXECUTED_AT sy-vline 
WA_CRMT_ISU_CM_I_STR-COMPLETED_AT sy-vline 
WA_CRMT_ISU_CM_I_STR-WARNINGS sy-vline 
WA_CRMT_ISU_CM_I_STR-ERRORS sy-vline 
WA_CRMT_ISU_CM_I_STR-RETESTED_AT sy-vline 
WA_CRMT_ISU_CM_I_STR-PARTITIAL_CHECK sy-vline 
WA_CRMT_ISU_CM_I_STR-OUTDATED sy-vline 
WA_CRMT_ISU_CM_I_STR-ISSUES sy-vline 
WA_CRMT_ISU_CM_I_STR-OPEN_ISSUES sy-vline 
WA_CRMT_ISU_CM_I_STR-SOLVED_ISSUES sy-vline 
WA_CRMT_ISU_CM_I_STR-DELETED sy-vline 
WA_CRMT_ISU_CM_I_STR-IN_PROCESS_QRFC sy-vline 
WA_CRMT_ISU_CM_I_STR-IN_PROCESS_CORR sy-vline 
WA_CRMT_ISU_CM_I_STR-IN_PROCESS_JOB sy-vline 
WA_CRMT_ISU_CM_I_STR-ABORTED sy-vline 
WA_CRMT_ISU_CM_I_STR-NOT_EXECUTED sy-vline 
WA_CRMT_ISU_CM_I_STR-REF_CHECK_GUID sy-vline 
WA_CRMT_ISU_CM_I_STR-PERSISTED sy-vline 
WA_CRMT_ISU_CM_I_STR-READ_ONLY sy-vline 
WA_CRMT_ISU_CM_I_STR-BATCH_MODE sy-vline 
WA_CRMT_ISU_CM_I_STR-CHANGED sy-vline 
WA_CRMT_ISU_CM_I_STR-LOCKED sy-vline 
WA_CRMT_ISU_CM_I_STR-SELECTED sy-vline 
WA_CRMT_ISU_CM_I_STR-STATUS_ICON sy-vline 
WA_CRMT_ISU_CM_I_STR-STATUS_ICON_TOOLTIP sy-vline 
WA_CRMT_ISU_CM_I_STR-ABORTED_TMP sy-vline 
WA_CRMT_ISU_CM_I_STR-PERIODIC sy-vline 
WA_CRMT_ISU_CM_I_STR-NEXT_CHECK_AT sy-vline 
WA_CRMT_ISU_CM_I_STR-CORRECTION_SUPPORTED sy-vline 
WA_CRMT_ISU_CM_I_STR-RUNNING_JOBNAME sy-vline 
WA_CRMT_ISU_CM_I_STR-RUNNING_JOBCOUNT sy-vline 
WA_CRMT_ISU_CM_I_STR-RUNNING_STEPCOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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