ABAP Select data from SAP table /SCWM/S_EWRKL_ARCH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_EWRKL_ARCH
*  INTO TABLE @DATA(IT_/SCWM/S_EWRKL_ARCH2).
*--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_/SCWM/S_EWRKL_ARCH INDEX 1 INTO DATA(WA_/SCWM/S_EWRKL_ARCH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_EWRKL_ARCH>-MANDT = 1.
</SCWM/S_EWRKL_ARCH>-GUID_WL = 1.
</SCWM/S_EWRKL_ARCH>-STATUS = 1.
</SCWM/S_EWRKL_ARCH>-TYPE = 1.
</SCWM/S_EWRKL_ARCH>-IN_PROCESS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_EWRKL_ARCH-SCUGUID, sy-vline,
  WA_/SCWM/S_EWRKL_ARCH-PROCS, sy-vline,
  WA_/SCWM/S_EWRKL_ARCH-LMAREA, sy-vline,
  WA_/SCWM/S_EWRKL_ARCH-LMOBJTY, sy-vline,
  WA_/SCWM/S_EWRKL_ARCH-GUID_REF, sy-vline,
  WA_/SCWM/S_EWRKL_ARCH-PC_ID_REF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_EWRKL_ARCH 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_/SCWM/S_EWRKL_ARCH 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_/SCWM/S_EWRKL_ARCH INTO WA_/SCWM/S_EWRKL_ARCH.


*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 CUNIT, internal->external for field UNIT_T
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_EWRKL_ARCH-UNIT_T
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_EWRKL_ARCH-UNIT_T.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CREATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_EWRKL_ARCH-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_EWRKL_ARCH-CREATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_EWRKL_ARCH-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_EWRKL_ARCH-CHANGED_AT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PRR_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_EWRKL_ARCH-PRR_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_EWRKL_ARCH-PRR_ID.
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_/SCWM/S_EWRKL_ARCH_STR, 
MANDT TYPE STRING,
GUID_WL TYPE STRING,
STATUS TYPE STRING,
TYPE TYPE STRING,
IN_PROCESS TYPE STRING,
SCUGUID TYPE STRING,
PROCS TYPE STRING,
LMAREA TYPE STRING,
LMOBJTY TYPE STRING,
GUID_REF TYPE STRING,
PC_ID_REF TYPE STRING,
ID_REF TYPE STRING,
DURA_PLAN TYPE STRING,
DURA_PLAN_ADJ TYPE STRING,
DURA_ACT TYPE STRING,
UNIT_T TYPE STRING,
START_ACT TYPE STRING,
FINISH_ACT TYPE STRING,
PRR_GUID TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
ALTERED_DIR TYPE STRING,
APD_CHANGED TYPE STRING,
AD_DECREASED TYPE STRING,
ENTITLED TYPE STRING,
WEIGHT TYPE STRING,
UNIT_W TYPE STRING,
VOLUM TYPE STRING,
UNIT_V TYPE STRING,
TRDIST TYPE STRING,
TRDIST_VERT TYPE STRING,
TRDIST_PLAN TYPE STRING,
TRDIST_VERT_PLAN TYPE STRING,
UNIT_D TYPE STRING,
TRTIME_ADJ TYPE STRING,
TRTIME_PLAN TYPE STRING,
QUANTITY TYPE STRING,
UNIT_Q TYPE STRING,
CAPA TYPE STRING,
NUMSO TYPE STRING,
LA_CODE TYPE STRING,
LA_CODE_PLAN TYPE STRING,
LA_GRP TYPE STRING,
EVAL_TYPE TYPE STRING,
PRR_GR TYPE STRING,
TEAM_LEAD TYPE STRING,
PRR_REPG TYPE STRING,
PRR_TYPE TYPE STRING,
WORKCAT TYPE STRING,
SRV_START_DATE TYPE STRING,
PFD_FACTOR TYPE STRING,
PFD_ALLOWANCE TYPE STRING,
SHIFT TYPE STRING,
SHIFT_SEQ TYPE STRING,
SHIFT_SEQ_DOFFSET TYPE STRING,
SHIFT_START_DAY TYPE STRING,
SHIFT_LEAD TYPE STRING,
GUID_REF2 TYPE STRING,
GUID_WL_ORIGINAL TYPE STRING,
DUMMY_EWL TYPE STRING,
SC_UNIT TYPE STRING,
PRR_ID TYPE STRING,
FINISH_DATE TYPE STRING,
FINISH_TIME TYPE STRING,
LGNUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_EWRKL_ARCH_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_/SCWM/S_EWRKL_ARCH_STR-MANDT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-GUID_WL sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-STATUS sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-TYPE sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-IN_PROCESS sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-SCUGUID sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-PROCS sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-LMAREA sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-LMOBJTY sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-GUID_REF sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-PC_ID_REF sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-ID_REF sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-DURA_PLAN sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-DURA_PLAN_ADJ sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-DURA_ACT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-UNIT_T sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-START_ACT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-FINISH_ACT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-PRR_GUID sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-CREATED_AT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-CREATED_BY sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-CHANGED_AT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-CHANGED_BY sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-ALTERED_DIR sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-APD_CHANGED sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-AD_DECREASED sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-ENTITLED sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-WEIGHT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-UNIT_W sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-VOLUM sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-UNIT_V sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-TRDIST sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-TRDIST_VERT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-TRDIST_PLAN sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-TRDIST_VERT_PLAN sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-UNIT_D sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-TRTIME_ADJ sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-TRTIME_PLAN sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-QUANTITY sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-UNIT_Q sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-CAPA sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-NUMSO sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-LA_CODE sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-LA_CODE_PLAN sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-LA_GRP sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-EVAL_TYPE sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-PRR_GR sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-TEAM_LEAD sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-PRR_REPG sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-PRR_TYPE sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-WORKCAT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-SRV_START_DATE sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-PFD_FACTOR sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-PFD_ALLOWANCE sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-SHIFT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-SHIFT_SEQ sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-SHIFT_SEQ_DOFFSET sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-SHIFT_START_DAY sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-SHIFT_LEAD sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-GUID_REF2 sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-GUID_WL_ORIGINAL sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-DUMMY_EWL sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-SC_UNIT sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-PRR_ID sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-FINISH_DATE sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-FINISH_TIME sy-vline 
WA_/SCWM/S_EWRKL_ARCH_STR-LGNUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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