ABAP Select data from SAP table CRMS_SRQM_PROCESS_LOG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS_SRQM_PROCESS_LOG
*  INTO TABLE @DATA(IT_CRMS_SRQM_PROCESS_LOG2).
*--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_CRMS_SRQM_PROCESS_LOG INDEX 1 INTO DATA(WA_CRMS_SRQM_PROCESS_LOG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS_SRQM_PROCESS_LOG>-LOG_TYPE = 1.
<CRMS_SRQM_PROCESS_LOG>-LOG_TYPE_DESC = 1.
<CRMS_SRQM_PROCESS_LOG>-LOG_ACTION = 1.
<CRMS_SRQM_PROCESS_LOG>-PROCESS_TYPE = 1.
<CRMS_SRQM_PROCESS_LOG>-REF_GUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS_SRQM_PROCESS_LOG-REF_DATA, sy-vline,
  WA_CRMS_SRQM_PROCESS_LOG-UTCDATETIME, sy-vline,
  WA_CRMS_SRQM_PROCESS_LOG-OBJECTID, sy-vline,
  WA_CRMS_SRQM_PROCESS_LOG-CHANGENR, sy-vline,
  WA_CRMS_SRQM_PROCESS_LOG-USERNAME, sy-vline,
  WA_CRMS_SRQM_PROCESS_LOG-UDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS_SRQM_PROCESS_LOG 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_CRMS_SRQM_PROCESS_LOG 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_CRMS_SRQM_PROCESS_LOG INTO WA_CRMS_SRQM_PROCESS_LOG.


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

*Conversion exit ISOLA, internal->external for field SPRACHE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS_SRQM_PROCESS_LOG-SPRACHE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS_SRQM_PROCESS_LOG-SPRACHE.
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_CRMS_SRQM_PROCESS_LOG_STR, 
LOG_TYPE TYPE STRING,
LOG_TYPE_DESC TYPE STRING,
LOG_ACTION TYPE STRING,
PROCESS_TYPE TYPE STRING,
REF_GUID TYPE STRING,
REF_DATA TYPE STRING,
UTCDATETIME TYPE STRING,
OBJECTID TYPE STRING,
CHANGENR TYPE STRING,
USERNAME TYPE STRING,
UDATE TYPE STRING,
UTIME TYPE STRING,
TCODE TYPE STRING,
TABNAME TYPE STRING,
TABKEY TYPE STRING,
KEYLEN TYPE STRING,
CHNGIND TYPE STRING,
FNAME TYPE STRING,
FTEXT TYPE STRING,
TEXTART TYPE STRING,
SPRACHE TYPE STRING,
TEXT_CASE TYPE STRING,
OUTLEN TYPE STRING,
F_OLD TYPE STRING,
F_NEW TYPE STRING,
KEYGUID TYPE STRING,
TABKEY254 TYPE STRING,
EXT_KEYLEN TYPE STRING,
KEYGUID_STR TYPE STRING,
VERSION TYPE STRING,
NUMBER_INT TYPE STRING,
GUID_I TYPE STRING,
EVENT_TYPE_APPL TYPE STRING,
EVENT_TYPE TYPE STRING,
PARTNER_FCT_DESCRIPTION TYPE STRING,
INDTEXT TYPE STRING,
LEVELTXT TYPE STRING,
TABTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS_SRQM_PROCESS_LOG_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_CRMS_SRQM_PROCESS_LOG_STR-LOG_TYPE sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-LOG_TYPE_DESC sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-LOG_ACTION sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-PROCESS_TYPE sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-REF_GUID sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-REF_DATA sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-UTCDATETIME sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-OBJECTID sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-CHANGENR sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-USERNAME sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-UDATE sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-UTIME sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-TCODE sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-TABNAME sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-TABKEY sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-KEYLEN sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-CHNGIND sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-FNAME sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-FTEXT sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-TEXTART sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-SPRACHE sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-TEXT_CASE sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-OUTLEN sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-F_OLD sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-F_NEW sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-KEYGUID sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-TABKEY254 sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-EXT_KEYLEN sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-KEYGUID_STR sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-VERSION sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-NUMBER_INT sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-GUID_I sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-EVENT_TYPE_APPL sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-EVENT_TYPE sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-PARTNER_FCT_DESCRIPTION sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-INDTEXT sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-LEVELTXT sy-vline 
WA_CRMS_SRQM_PROCESS_LOG_STR-TABTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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