ABAP Select data from SAP table CPS_TASK_LIST_MAINT_PRT_X into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPS_TASK_LIST_MAINT_PRT_X
*  INTO TABLE @DATA(IT_CPS_TASK_LIST_MAINT_PRT_X2).
*--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_CPS_TASK_LIST_MAINT_PRT_X INDEX 1 INTO DATA(WA_CPS_TASK_LIST_MAINT_PRT_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPS_TASK_LIST_MAINT_PRT_X>-OBJECT_TYPE_CIM_RESOURCE = 1.
<CPS_TASK_LIST_MAINT_PRT_X>-OBJECT_ID_CIM_RESOURCE = 1.
<CPS_TASK_LIST_MAINT_PRT_X>-OBJECT_OF_TASK_LIST = 1.
<CPS_TASK_LIST_MAINT_PRT_X>-ITEM_NO_OF_PROD_RESOURCE = 1.
<CPS_TASK_LIST_MAINT_PRT_X>-CTRL_KEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPS_TASK_LIST_MAINT_PRT_X-CREATE_LOAD_RECS, sy-vline,
  WA_CPS_TASK_LIST_MAINT_PRT_X-START_REF_DATE, sy-vline,
  WA_CPS_TASK_LIST_MAINT_PRT_X-START_OFFSET, sy-vline,
  WA_CPS_TASK_LIST_MAINT_PRT_X-START_OFFSET_UNIT, sy-vline,
  WA_CPS_TASK_LIST_MAINT_PRT_X-START_OFFSET_UNIT_ISO, sy-vline,
  WA_CPS_TASK_LIST_MAINT_PRT_X-END_REF_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPS_TASK_LIST_MAINT_PRT_X 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_CPS_TASK_LIST_MAINT_PRT_X 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_CPS_TASK_LIST_MAINT_PRT_X INTO WA_CPS_TASK_LIST_MAINT_PRT_X.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CPS_TASK_LIST_MAINT_PRT_X_STR, 
OBJECT_TYPE_CIM_RESOURCE TYPE STRING,
OBJECT_ID_CIM_RESOURCE TYPE STRING,
OBJECT_OF_TASK_LIST TYPE STRING,
ITEM_NO_OF_PROD_RESOURCE TYPE STRING,
CTRL_KEY TYPE STRING,
CREATE_LOAD_RECS TYPE STRING,
START_REF_DATE TYPE STRING,
START_OFFSET TYPE STRING,
START_OFFSET_UNIT TYPE STRING,
START_OFFSET_UNIT_ISO TYPE STRING,
END_REF_DATE TYPE STRING,
END_OFFSET TYPE STRING,
END_OFFSET_UNIT TYPE STRING,
END_OFFSET_UNIT_ISO TYPE STRING,
PRT_MEASURE_UNIT TYPE STRING,
PRT_MEASURE_UNIT_ISO TYPE STRING,
STD_VALUE_FOR_PRT_QTY TYPE STRING,
FORMULA_TOT_QTY TYPE STRING,
PRT_USAGE_VALUE_UNIT TYPE STRING,
PRT_USAGE_VALUE_UNIT_ISO TYPE STRING,
STD_USAGE_VALUE_FOR_PRT TYPE STRING,
FORMULA_TOT_USAGE TYPE STRING,
STD_TEXT_KEY TYPE STRING,
DESCRIPTION TYPE STRING,
PRT_CATEGORY TYPE STRING,
PRT_NUMBER TYPE STRING,
PRT_PLANT TYPE STRING,
MATERIAL TYPE STRING,
MISCELLANEOUS TYPE STRING,
DOCUMENT_TYPE TYPE STRING,
DOCUMENT_NUMBER TYPE STRING,
DOCUMENT_PART TYPE STRING,
DOCUMENT_VERSION TYPE STRING,
EQUIPMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPS_TASK_LIST_MAINT_PRT_X_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_CPS_TASK_LIST_MAINT_PRT_X_STR-OBJECT_TYPE_CIM_RESOURCE sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-OBJECT_ID_CIM_RESOURCE sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-OBJECT_OF_TASK_LIST sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-ITEM_NO_OF_PROD_RESOURCE sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-CTRL_KEY sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-CREATE_LOAD_RECS sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-START_REF_DATE sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-START_OFFSET sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-START_OFFSET_UNIT sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-START_OFFSET_UNIT_ISO sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-END_REF_DATE sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-END_OFFSET sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-END_OFFSET_UNIT sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-END_OFFSET_UNIT_ISO sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-PRT_MEASURE_UNIT sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-PRT_MEASURE_UNIT_ISO sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-STD_VALUE_FOR_PRT_QTY sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-FORMULA_TOT_QTY sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-PRT_USAGE_VALUE_UNIT sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-PRT_USAGE_VALUE_UNIT_ISO sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-STD_USAGE_VALUE_FOR_PRT sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-FORMULA_TOT_USAGE sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-STD_TEXT_KEY sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-DESCRIPTION sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-PRT_CATEGORY sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-PRT_NUMBER sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-PRT_PLANT sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-MATERIAL sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-MISCELLANEOUS sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-DOCUMENT_TYPE sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-DOCUMENT_NUMBER sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-DOCUMENT_PART sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-DOCUMENT_VERSION sy-vline 
WA_CPS_TASK_LIST_MAINT_PRT_X_STR-EQUIPMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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