ABAP Select data from SAP table PROJCATSATBYPO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PROJCATSATBYPO
*  INTO TABLE @DATA(IT_PROJCATSATBYPO2).
*--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_PROJCATSATBYPO INDEX 1 INTO DATA(WA_PROJCATSATBYPO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PROJCATSATBYPO>-MANDT = 1.
<PROJCATSATBYPO>-TIMESHEETRECORD = 1.
<PROJCATSATBYPO>-EMPLOYMENTINTERNALID = 1.
<PROJCATSATBYPO>-CALENDARDATE = 1.
<PROJCATSATBYPO>-TASKTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PROJCATSATBYPO-WORKPACKAGE, sy-vline,
  WA_PROJCATSATBYPO-WORKPACKAGESTARTDATE, sy-vline,
  WA_PROJCATSATBYPO-WORKPACKAGEENDDATE, sy-vline,
  WA_PROJCATSATBYPO-ENGAGEMENTPROJECTRESOURCE, sy-vline,
  WA_PROJCATSATBYPO-WORKITEM, sy-vline,
  WA_PROJCATSATBYPO-RECORDEDHOURS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PROJCATSATBYPO 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_PROJCATSATBYPO 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_PROJCATSATBYPO INTO WA_PROJCATSATBYPO.


*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 MATN1, internal->external for field ENGAGEMENTPROJECTRESOURCE
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PROJCATSATBYPO-ENGAGEMENTPROJECTRESOURCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PROJCATSATBYPO-ENGAGEMENTPROJECTRESOURCE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PROJCATSATBYPO-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PROJCATSATBYPO-PURCHASEORDER.
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_PROJCATSATBYPO_STR, 
MANDT TYPE STRING,
TIMESHEETRECORD TYPE STRING,
EMPLOYMENTINTERNALID TYPE STRING,
CALENDARDATE TYPE STRING,
TASKTYPE TYPE STRING,
WORKPACKAGE TYPE STRING,
WORKPACKAGESTARTDATE TYPE STRING,
WORKPACKAGEENDDATE TYPE STRING,
ENGAGEMENTPROJECTRESOURCE TYPE STRING,
WORKITEM TYPE STRING,
RECORDEDHOURS TYPE STRING,
UNITOFMEASURE TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
STATUS TYPE STRING,
CALENDARYEAR TYPE STRING,
CALENDARMONTH TYPE STRING,
TASKCATEGORY TYPE STRING,
ENGAGEMENTPROJFINPLANUUID TYPE STRING,
ACCOUNTINGINDICATORCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PROJCATSATBYPO_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_PROJCATSATBYPO_STR-MANDT sy-vline 
WA_PROJCATSATBYPO_STR-TIMESHEETRECORD sy-vline 
WA_PROJCATSATBYPO_STR-EMPLOYMENTINTERNALID sy-vline 
WA_PROJCATSATBYPO_STR-CALENDARDATE sy-vline 
WA_PROJCATSATBYPO_STR-TASKTYPE sy-vline 
WA_PROJCATSATBYPO_STR-WORKPACKAGE sy-vline 
WA_PROJCATSATBYPO_STR-WORKPACKAGESTARTDATE sy-vline 
WA_PROJCATSATBYPO_STR-WORKPACKAGEENDDATE sy-vline 
WA_PROJCATSATBYPO_STR-ENGAGEMENTPROJECTRESOURCE sy-vline 
WA_PROJCATSATBYPO_STR-WORKITEM sy-vline 
WA_PROJCATSATBYPO_STR-RECORDEDHOURS sy-vline 
WA_PROJCATSATBYPO_STR-UNITOFMEASURE sy-vline 
WA_PROJCATSATBYPO_STR-PURCHASEORDER sy-vline 
WA_PROJCATSATBYPO_STR-PURCHASEORDERITEM sy-vline 
WA_PROJCATSATBYPO_STR-STATUS sy-vline 
WA_PROJCATSATBYPO_STR-CALENDARYEAR sy-vline 
WA_PROJCATSATBYPO_STR-CALENDARMONTH sy-vline 
WA_PROJCATSATBYPO_STR-TASKCATEGORY sy-vline 
WA_PROJCATSATBYPO_STR-ENGAGEMENTPROJFINPLANUUID sy-vline 
WA_PROJCATSATBYPO_STR-ACCOUNTINGINDICATORCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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