ABAP Select data from SAP table CWLFSMTPROCFLOW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CWLFSMTPROCFLOW
*  INTO TABLE @DATA(IT_CWLFSMTPROCFLOW2).
*--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_CWLFSMTPROCFLOW INDEX 1 INTO DATA(WA_CWLFSMTPROCFLOW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CWLFSMTPROCFLOW>-MANDT = 1.
<CWLFSMTPROCFLOW>-SETTLMTMGMTDOCRELSHPUUID = 1.
<CWLFSMTPROCFLOW>-SETTLMTPRECDGDOCFLOWNUMBER = 1.
<CWLFSMTPROCFLOW>-SETTLMTSUBSQNTDOCFLOWNUMBER = 1.
<CWLFSMTPROCFLOW>-SETTLMTPRECDGDOCFLOWITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CWLFSMTPROCFLOW-SETTLMTPRECDGDOCCAT, sy-vline,
  WA_CWLFSMTPROCFLOW-SETTLMTPRECDGDOCCATNAME, sy-vline,
  WA_CWLFSMTPROCFLOW-SETTLMTPRECDGPROCESSCAT, sy-vline,
  WA_CWLFSMTPROCFLOW-SETTLMTPRECDGBUSPROCCAT, sy-vline,
  WA_CWLFSMTPROCFLOW-SETTLMTPRECDGACTLSETTLMTDATE, sy-vline,
  WA_CWLFSMTPROCFLOW-SETTLMTPRECDGSETTLMTDTECAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CWLFSMTPROCFLOW 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_CWLFSMTPROCFLOW 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_CWLFSMTPROCFLOW INTO WA_CWLFSMTPROCFLOW.


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

*Conversion exit ALPHA, internal->external for field SETTLMTSUBSQNTDOCFLOWNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CWLFSMTPROCFLOW-SETTLMTSUBSQNTDOCFLOWNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CWLFSMTPROCFLOW-SETTLMTSUBSQNTDOCFLOWNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SETTLMTPRECDGPERSCOSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CWLFSMTPROCFLOW-SETTLMTPRECDGPERSCOSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CWLFSMTPROCFLOW-SETTLMTPRECDGPERSCOSTCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SETTLMTSUBSQNTPERSCOSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CWLFSMTPROCFLOW-SETTLMTSUBSQNTPERSCOSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CWLFSMTPROCFLOW-SETTLMTSUBSQNTPERSCOSTCENTER.
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_CWLFSMTPROCFLOW_STR, 
MANDT TYPE STRING,
SETTLMTMGMTDOCRELSHPUUID TYPE STRING,
SETTLMTPRECDGDOCFLOWNUMBER TYPE STRING,
SETTLMTSUBSQNTDOCFLOWNUMBER TYPE STRING,
SETTLMTPRECDGDOCFLOWITEM TYPE STRING,
SETTLMTPRECDGDOCCAT TYPE STRING,
SETTLMTPRECDGDOCCATNAME TYPE STRING,
SETTLMTPRECDGPROCESSCAT TYPE STRING,
SETTLMTPRECDGBUSPROCCAT TYPE STRING,
SETTLMTPRECDGACTLSETTLMTDATE TYPE STRING,
SETTLMTPRECDGSETTLMTDTECAT TYPE STRING,
SETTLMTPRECDGSALESORG TYPE STRING,
SETTLMTPRECDGDISTRCHANNEL TYPE STRING,
SETTLMTPRECDGDIVISION TYPE STRING,
SETTLMTPRECDGPURGORGANIZATION TYPE STRING,
SETTLMTPRECDGPURGGROUP TYPE STRING,
SETTLMTPRECDGCOMPANYCODE TYPE STRING,
SETTLMTPRECDGSETLMGMTDOCCAT TYPE STRING,
SETTLMTPRECDGSETTLMTDOCTYPE TYPE STRING,
SETTLMTPRECDGPERSCOSTCENTER TYPE STRING,
SETTLMTPRECDGCNDNCONTRTYPE TYPE STRING,
SETTLMTSUBSQNTDOCFLOWITEM TYPE STRING,
SETTLMTSUBSQNTDOCCAT TYPE STRING,
SETTLMTSUBSQNTDOCCATNAME TYPE STRING,
SETTLMTSUBSQNTPROCESSCAT TYPE STRING,
SETTLMTSUBSQNTBUSPROCCAT TYPE STRING,
SETTLMTSUBSQNTACTLSETTLMTDATE TYPE STRING,
SETTLMTSUBSQNTSETTLMTDTECAT TYPE STRING,
SETTLMTSUBSQNTSALESORG TYPE STRING,
SETTLMTSUBSQNTDISTRCHANNEL TYPE STRING,
SETTLMTSUBSQNTDIVISION TYPE STRING,
SETTLMTSUBSQNTPURGORGANIZATION TYPE STRING,
SETTLMTSUBSQNTPURGGROUP TYPE STRING,
SETTLMTSUBSQNTCOMPANYCODE TYPE STRING,
SETTLMTSUBSQNTSETLMGMTDOCCAT TYPE STRING,
SETTLMTSUBSQNTSETTLMTDOCTYPE TYPE STRING,
SETTLMTSUBSQNTPERSCOSTCENTER TYPE STRING,
SETTLMTSUBSQNTCNDNCONTRTYPE TYPE STRING,
SETTLMTDOCFLOWDATASOURCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CWLFSMTPROCFLOW_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_CWLFSMTPROCFLOW_STR-MANDT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTMGMTDOCRELSHPUUID sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGDOCFLOWNUMBER sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTDOCFLOWNUMBER sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGDOCFLOWITEM sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGDOCCAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGDOCCATNAME sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGPROCESSCAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGBUSPROCCAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGACTLSETTLMTDATE sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGSETTLMTDTECAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGSALESORG sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGDISTRCHANNEL sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGDIVISION sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGPURGORGANIZATION sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGPURGGROUP sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGCOMPANYCODE sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGSETLMGMTDOCCAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGSETTLMTDOCTYPE sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGPERSCOSTCENTER sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTPRECDGCNDNCONTRTYPE sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTDOCFLOWITEM sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTDOCCAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTDOCCATNAME sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTPROCESSCAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTBUSPROCCAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTACTLSETTLMTDATE sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTSETTLMTDTECAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTSALESORG sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTDISTRCHANNEL sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTDIVISION sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTPURGORGANIZATION sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTPURGGROUP sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTCOMPANYCODE sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTSETLMGMTDOCCAT sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTSETTLMTDOCTYPE sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTPERSCOSTCENTER sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTSUBSQNTCNDNCONTRTYPE sy-vline 
WA_CWLFSMTPROCFLOW_STR-SETTLMTDOCFLOWDATASOURCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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