ABAP Select data from SAP table PRMILESTONESTRUC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRMILESTONESTRUC
*  INTO TABLE @DATA(IT_PRMILESTONESTRUC2).
*--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_PRMILESTONESTRUC INDEX 1 INTO DATA(WA_PRMILESTONESTRUC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRMILESTONESTRUC>-PROJECT_ID = 1.
<PRMILESTONESTRUC>-MILESTONE = 1.
<PRMILESTONESTRUC>-STAT_REF = 1.
<PRMILESTONESTRUC>-MILESTONE_TEXT = 1.
<PRMILESTONESTRUC>-PLANSTART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRMILESTONESTRUC-PLANEND, sy-vline,
  WA_PRMILESTONESTRUC-PLANDUR, sy-vline,
  WA_PRMILESTONESTRUC-ACTULSTART, sy-vline,
  WA_PRMILESTONESTRUC-ACTULEND, sy-vline,
  WA_PRMILESTONESTRUC-ACTULDUR, sy-vline,
  WA_PRMILESTONESTRUC-RESTWORK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRMILESTONESTRUC 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_PRMILESTONESTRUC 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_PRMILESTONESTRUC INTO WA_PRMILESTONESTRUC.


*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 PROJECT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRMILESTONESTRUC-PROJECT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRMILESTONESTRUC-PROJECT_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_PRMILESTONESTRUC_STR, 
PROJECT_ID TYPE STRING,
MILESTONE TYPE STRING,
STAT_REF TYPE STRING,
MILESTONE_TEXT TYPE STRING,
PLANSTART TYPE STRING,
PLANEND TYPE STRING,
PLANDUR TYPE STRING,
ACTULSTART TYPE STRING,
ACTULEND TYPE STRING,
ACTULDUR TYPE STRING,
RESTWORK TYPE STRING,
DONE TYPE STRING,
PRIORITY TYPE STRING,
ISP_PLAN TYPE STRING,
ISP_ELEM TYPE STRING,
ISP_CODE TYPE STRING,
STAT_REL TYPE STRING,
ISP_CODE2 TYPE STRING,
ISP_CODE3 TYPE STRING,
FDATE TYPE STRING,
FUSER TYPE STRING,
LDATE TYPE STRING,
LUSER TYPE STRING,
FTIME TYPE STRING,
LTIME TYPE STRING,
ROADMAP TYPE STRING,
STATUS_ID TYPE STRING,
FILTER TYPE STRING,
ROADMAP_ID TYPE STRING,
ROADMAP_TEXT TYPE STRING,
IS_GT_1_RM TYPE STRING,
QGATE TYPE STRING,
TEMPLATE_AVAILABLE TYPE STRING,
PHASE_ASSIGNMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRMILESTONESTRUC_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_PRMILESTONESTRUC_STR-PROJECT_ID sy-vline 
WA_PRMILESTONESTRUC_STR-MILESTONE sy-vline 
WA_PRMILESTONESTRUC_STR-STAT_REF sy-vline 
WA_PRMILESTONESTRUC_STR-MILESTONE_TEXT sy-vline 
WA_PRMILESTONESTRUC_STR-PLANSTART sy-vline 
WA_PRMILESTONESTRUC_STR-PLANEND sy-vline 
WA_PRMILESTONESTRUC_STR-PLANDUR sy-vline 
WA_PRMILESTONESTRUC_STR-ACTULSTART sy-vline 
WA_PRMILESTONESTRUC_STR-ACTULEND sy-vline 
WA_PRMILESTONESTRUC_STR-ACTULDUR sy-vline 
WA_PRMILESTONESTRUC_STR-RESTWORK sy-vline 
WA_PRMILESTONESTRUC_STR-DONE sy-vline 
WA_PRMILESTONESTRUC_STR-PRIORITY sy-vline 
WA_PRMILESTONESTRUC_STR-ISP_PLAN sy-vline 
WA_PRMILESTONESTRUC_STR-ISP_ELEM sy-vline 
WA_PRMILESTONESTRUC_STR-ISP_CODE sy-vline 
WA_PRMILESTONESTRUC_STR-STAT_REL sy-vline 
WA_PRMILESTONESTRUC_STR-ISP_CODE2 sy-vline 
WA_PRMILESTONESTRUC_STR-ISP_CODE3 sy-vline 
WA_PRMILESTONESTRUC_STR-FDATE sy-vline 
WA_PRMILESTONESTRUC_STR-FUSER sy-vline 
WA_PRMILESTONESTRUC_STR-LDATE sy-vline 
WA_PRMILESTONESTRUC_STR-LUSER sy-vline 
WA_PRMILESTONESTRUC_STR-FTIME sy-vline 
WA_PRMILESTONESTRUC_STR-LTIME sy-vline 
WA_PRMILESTONESTRUC_STR-ROADMAP sy-vline 
WA_PRMILESTONESTRUC_STR-STATUS_ID sy-vline 
WA_PRMILESTONESTRUC_STR-FILTER sy-vline 
WA_PRMILESTONESTRUC_STR-ROADMAP_ID sy-vline 
WA_PRMILESTONESTRUC_STR-ROADMAP_TEXT sy-vline 
WA_PRMILESTONESTRUC_STR-IS_GT_1_RM sy-vline 
WA_PRMILESTONESTRUC_STR-QGATE sy-vline 
WA_PRMILESTONESTRUC_STR-TEMPLATE_AVAILABLE sy-vline 
WA_PRMILESTONESTRUC_STR-PHASE_ASSIGNMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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