ABAP Select data from SAP table CEWMWOQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CEWMWOQ
*  INTO TABLE @DATA(IT_CEWMWOQ2).
*--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_CEWMWOQ INDEX 1 INTO DATA(WA_CEWMWOQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CEWMWOQ>-MANDT = 1.
<CEWMWOQ>-WAREHOUSE = 1.
<CEWMWOQ>-WAREHOUSEORDER = 1.
<CEWMWOQ>-WAREHOUSEORDERCREATIONRULE = 1.
<CEWMWOQ>-WHSEPROCESSTYPEDOCUMENTHDR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CEWMWOQ-WAREHOUSEORDERSTATUS, sy-vline,
  WA_CEWMWOQ-WAREHOUSEORDERSTATUSNAME, sy-vline,
  WA_CEWMWOQ-WAVE, sy-vline,
  WA_CEWMWOQ-PLNDLOADCOMPLETIONUTCDATETIME, sy-vline,
  WA_CEWMWOQ-PLNDPACKCOMPLETIONUTCDATETIME, sy-vline,
  WA_CEWMWOQ-PLNDPICKCOMPLTNUTCDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CEWMWOQ 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_CEWMWOQ 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_CEWMWOQ INTO WA_CEWMWOQ.


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

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

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

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

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

*Conversion exit CUNIT, internal->external for field WHSEORDERPLANDURATIONTIMEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CEWMWOQ-WHSEORDERPLANDURATIONTIMEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEWMWOQ-WHSEORDERPLANDURATIONTIMEUNIT.
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_CEWMWOQ_STR, 
MANDT TYPE STRING,
WAREHOUSE TYPE STRING,
WAREHOUSEORDER TYPE STRING,
WAREHOUSEORDERCREATIONRULE TYPE STRING,
WHSEPROCESSTYPEDOCUMENTHDR TYPE STRING,
WAREHOUSEORDERSTATUS TYPE STRING,
WAREHOUSEORDERSTATUSNAME TYPE STRING,
WAVE TYPE STRING,
PLNDLOADCOMPLETIONUTCDATETIME TYPE STRING,
PLNDPACKCOMPLETIONUTCDATETIME TYPE STRING,
PLNDPICKCOMPLTNUTCDATETIME TYPE STRING,
PLNDSTAGINGCOMPLTNUTCDATETIME TYPE STRING,
WAVEACTLRELEASEDUTCDATETIME TYPE STRING,
WAVECUTOFFWHSETMZNDATETIME TYPE STRING,
WAVEPLNDRELWHSETMZNDATETIME TYPE STRING,
PLNDPICKCMPLTWHSETMZNDATETIME TYPE STRING,
PLNDPACKCMPLTWHSETMZNDATETIME TYPE STRING,
PLNDSTGGCMPLTWHSETMZNDATETIME TYPE STRING,
WAVECOMPLETIONWHSETMZNDATETIME TYPE STRING,
WAVEACTUALRELDWHSETMZNDATETIME TYPE STRING,
WAVEACTUALRELDWHSETMZNYEAR TYPE STRING,
WAVEACTUALRELDWHSETMZNMONTH TYPE STRING,
WAVEACTUALRELDWHSETMZNDATE TYPE STRING,
WAVEACTUALRELDWHSETMZNHOUR TYPE STRING,
WAVEACTUALRELDWHSETMZNTIME TYPE STRING,
WAVETEMPLATE TYPE STRING,
WAVETEMPLATENAME TYPE STRING,
LATESTSTARTUTCDATETIME TYPE STRING,
WHSEORDEROVERDUEHOURS TYPE STRING,
WHSEORDERLASTCHGUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
WAREHOUSEORDERISSPLIT TYPE STRING,
WHSEORDERHIGHERLEVELWHSEORDER TYPE STRING,
WHSEORDERSUBSEQUENTWHSEORDER TYPE STRING,
WHSEORDERHASSUBSQNTWHSEORDER TYPE STRING,
WAREHOUSEORDERHASWHSETASK TYPE STRING,
WAREHOUSEORDERHASPHYSINVTRYDOC TYPE STRING,
HZDSSUBSTANCEISRLVTFORSTORAGE TYPE STRING,
WHSEORDERCRTNWHSETMZNDATETIME TYPE STRING,
WHSEORDERCRTNWHSETMZNYEAR TYPE STRING,
WHSEORDERCRTNWHSETMZNMONTH TYPE STRING,
WHSEORDERCRTNWHSETMZNDATE TYPE STRING,
WHSEORDERCRTNWHSETMZNHOUR TYPE STRING,
WHSEORDERCRTNWHSETMZNTIME TYPE STRING,
WHSEORDERCRTNRNDDTO10MINSTIME TYPE STRING,
WHSEORDLTSTSTRTWHSETMZNDTETME TYPE STRING,
WHSEORDLTSTSTRTWHSETMZNYEAR TYPE STRING,
WHSEORDLTSTSTRTWHSETMZNMONTH TYPE STRING,
WHSEORDLTSTSTRTWHSETMZNDATE TYPE STRING,
WHSEORDLTSTSTRTWHSETMZNHOUR TYPE STRING,
WHSEORDLTSTSTRTWHSETMZNTIME TYPE STRING,
WHSEORDLTSTSTRTRNDDTO10MINSTME TYPE STRING,
WHSEORDERCONFWHSETMZNDATETIME TYPE STRING,
WHSEORDERCONFWHSETMZNYEAR TYPE STRING,
WHSEORDERCONFWHSETMZNMONTH TYPE STRING,
WHSEORDERCONFWHSETMZNDATE TYPE STRING,
WHSEORDERCONFWHSETMZNHOUR TYPE STRING,
WHSEORDERCONFWHSETMZNTIME TYPE STRING,
WHSEORDERCONFRNDDTO10MINSTIME TYPE STRING,
WRHSORDSTRTUTCDATETIME TYPE STRING,
WHSEORDERCONFUTCDATETIME TYPE STRING,
WAREHOUSEORDERCONFIRMEDBY TYPE STRING,
PROCESSOR TYPE STRING,
WAREHOUSEORDERQUEUE TYPE STRING,
WAREHOUSEORDERQUEUENAME TYPE STRING,
ACTIVITYAREA TYPE STRING,
ACTIVITYAREANAME TYPE STRING,
WRHSORDCRTNUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
WAREHOUSEORDERPLANNEDDURATION TYPE STRING,
WHSEORDERPLANDURATIONTIMEUNIT TYPE STRING,
NUMBEROFWAREHOUSEORDERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CEWMWOQ_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_CEWMWOQ_STR-MANDT sy-vline 
WA_CEWMWOQ_STR-WAREHOUSE sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDER sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERCREATIONRULE sy-vline 
WA_CEWMWOQ_STR-WHSEPROCESSTYPEDOCUMENTHDR sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERSTATUS sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERSTATUSNAME sy-vline 
WA_CEWMWOQ_STR-WAVE sy-vline 
WA_CEWMWOQ_STR-PLNDLOADCOMPLETIONUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-PLNDPACKCOMPLETIONUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-PLNDPICKCOMPLTNUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-PLNDSTAGINGCOMPLTNUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-WAVEACTLRELEASEDUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-WAVECUTOFFWHSETMZNDATETIME sy-vline 
WA_CEWMWOQ_STR-WAVEPLNDRELWHSETMZNDATETIME sy-vline 
WA_CEWMWOQ_STR-PLNDPICKCMPLTWHSETMZNDATETIME sy-vline 
WA_CEWMWOQ_STR-PLNDPACKCMPLTWHSETMZNDATETIME sy-vline 
WA_CEWMWOQ_STR-PLNDSTGGCMPLTWHSETMZNDATETIME sy-vline 
WA_CEWMWOQ_STR-WAVECOMPLETIONWHSETMZNDATETIME sy-vline 
WA_CEWMWOQ_STR-WAVEACTUALRELDWHSETMZNDATETIME sy-vline 
WA_CEWMWOQ_STR-WAVEACTUALRELDWHSETMZNYEAR sy-vline 
WA_CEWMWOQ_STR-WAVEACTUALRELDWHSETMZNMONTH sy-vline 
WA_CEWMWOQ_STR-WAVEACTUALRELDWHSETMZNDATE sy-vline 
WA_CEWMWOQ_STR-WAVEACTUALRELDWHSETMZNHOUR sy-vline 
WA_CEWMWOQ_STR-WAVEACTUALRELDWHSETMZNTIME sy-vline 
WA_CEWMWOQ_STR-WAVETEMPLATE sy-vline 
WA_CEWMWOQ_STR-WAVETEMPLATENAME sy-vline 
WA_CEWMWOQ_STR-LATESTSTARTUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-WHSEORDEROVERDUEHOURS sy-vline 
WA_CEWMWOQ_STR-WHSEORDERLASTCHGUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-LASTCHANGEDBYUSER sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERISSPLIT sy-vline 
WA_CEWMWOQ_STR-WHSEORDERHIGHERLEVELWHSEORDER sy-vline 
WA_CEWMWOQ_STR-WHSEORDERSUBSEQUENTWHSEORDER sy-vline 
WA_CEWMWOQ_STR-WHSEORDERHASSUBSQNTWHSEORDER sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERHASWHSETASK sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERHASPHYSINVTRYDOC sy-vline 
WA_CEWMWOQ_STR-HZDSSUBSTANCEISRLVTFORSTORAGE sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCRTNWHSETMZNDATETIME sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCRTNWHSETMZNYEAR sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCRTNWHSETMZNMONTH sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCRTNWHSETMZNDATE sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCRTNWHSETMZNHOUR sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCRTNWHSETMZNTIME sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCRTNRNDDTO10MINSTIME sy-vline 
WA_CEWMWOQ_STR-WHSEORDLTSTSTRTWHSETMZNDTETME sy-vline 
WA_CEWMWOQ_STR-WHSEORDLTSTSTRTWHSETMZNYEAR sy-vline 
WA_CEWMWOQ_STR-WHSEORDLTSTSTRTWHSETMZNMONTH sy-vline 
WA_CEWMWOQ_STR-WHSEORDLTSTSTRTWHSETMZNDATE sy-vline 
WA_CEWMWOQ_STR-WHSEORDLTSTSTRTWHSETMZNHOUR sy-vline 
WA_CEWMWOQ_STR-WHSEORDLTSTSTRTWHSETMZNTIME sy-vline 
WA_CEWMWOQ_STR-WHSEORDLTSTSTRTRNDDTO10MINSTME sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCONFWHSETMZNDATETIME sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCONFWHSETMZNYEAR sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCONFWHSETMZNMONTH sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCONFWHSETMZNDATE sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCONFWHSETMZNHOUR sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCONFWHSETMZNTIME sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCONFRNDDTO10MINSTIME sy-vline 
WA_CEWMWOQ_STR-WRHSORDSTRTUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-WHSEORDERCONFUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERCONFIRMEDBY sy-vline 
WA_CEWMWOQ_STR-PROCESSOR sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERQUEUE sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERQUEUENAME sy-vline 
WA_CEWMWOQ_STR-ACTIVITYAREA sy-vline 
WA_CEWMWOQ_STR-ACTIVITYAREANAME sy-vline 
WA_CEWMWOQ_STR-WRHSORDCRTNUTCDATETIME sy-vline 
WA_CEWMWOQ_STR-CREATEDBYUSER sy-vline 
WA_CEWMWOQ_STR-WAREHOUSEORDERPLANNEDDURATION sy-vline 
WA_CEWMWOQ_STR-WHSEORDERPLANDURATIONTIMEUNIT sy-vline 
WA_CEWMWOQ_STR-NUMBEROFWAREHOUSEORDERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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