ABAP Select data from SAP table PTM_MARK15_FIELD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PTM_MARK15_FIELD 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 PTM_MARK15_FIELD. 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 PTM_MARK15_FIELD 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_PTM_MARK15_FIELD TYPE STANDARD TABLE OF PTM_MARK15_FIELD,
      WA_PTM_MARK15_FIELD TYPE PTM_MARK15_FIELD,
      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: <PTM_MARK15_FIELD> TYPE PTM_MARK15_FIELD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PTM_MARK15_FIELD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PTM_MARK15_FIELD
  INTO TABLE IT_PTM_MARK15_FIELD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTM_MARK15_FIELD
*  INTO TABLE @DATA(IT_PTM_MARK15_FIELD2).
*--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_PTM_MARK15_FIELD INDEX 1 INTO DATA(WA_PTM_MARK15_FIELD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PTM_MARK15_FIELD ASSIGNING <PTM_MARK15_FIELD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTM_MARK15_FIELD>-MODIF = 1.
<PTM_MARK15_FIELD>-SUBRU = 1.
<PTM_MARK15_FIELD>-DAYAB = 1.
<PTM_MARK15_FIELD>-DAYEV = 1.
<PTM_MARK15_FIELD>-KLBE1 = 1.

ENDLOOP.

LOOP AT IT_PTM_MARK15_FIELD INTO WA_PTM_MARK15_FIELD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTM_MARK15_FIELD-KLBE2, sy-vline,
  WA_PTM_MARK15_FIELD-GRASI, sy-vline,
  WA_PTM_MARK15_FIELD-GRAER, sy-vline,
  WA_PTM_MARK15_FIELD-PROLE, sy-vline,
  WA_PTM_MARK15_FIELD-LNGTH, sy-vline,
  WA_PTM_MARK15_FIELD-DOUBL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTM_MARK15_FIELD 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_PTM_MARK15_FIELD 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_PTM_MARK15_FIELD INTO WA_PTM_MARK15_FIELD.


*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_PTM_MARK15_FIELD_STR, 
MODIF TYPE STRING,
SUBRU TYPE STRING,
DAYAB TYPE STRING,
DAYEV TYPE STRING,
KLBE1 TYPE STRING,
KLBE2 TYPE STRING,
GRASI TYPE STRING,
GRAER TYPE STRING,
PROLE TYPE STRING,
LNGTH TYPE STRING,
DOUBL TYPE STRING,
BONUS TYPE STRING,
MOABW TYPE STRING,
TPEVE TYPE STRING,
OKEN1 TYPE STRING,
OKEN2 TYPE STRING,
ABZNR TYPE STRING,
RESTP TYPE STRING,
OBJPS TYPE STRING,
TFIRE TYPE STRING,
DYFRC TYPE STRING,
OTHER TYPE STRING,
CUSTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTM_MARK15_FIELD_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_PTM_MARK15_FIELD_STR-MODIF sy-vline 
WA_PTM_MARK15_FIELD_STR-SUBRU sy-vline 
WA_PTM_MARK15_FIELD_STR-DAYAB sy-vline 
WA_PTM_MARK15_FIELD_STR-DAYEV sy-vline 
WA_PTM_MARK15_FIELD_STR-KLBE1 sy-vline 
WA_PTM_MARK15_FIELD_STR-KLBE2 sy-vline 
WA_PTM_MARK15_FIELD_STR-GRASI sy-vline 
WA_PTM_MARK15_FIELD_STR-GRAER sy-vline 
WA_PTM_MARK15_FIELD_STR-PROLE sy-vline 
WA_PTM_MARK15_FIELD_STR-LNGTH sy-vline 
WA_PTM_MARK15_FIELD_STR-DOUBL sy-vline 
WA_PTM_MARK15_FIELD_STR-BONUS sy-vline 
WA_PTM_MARK15_FIELD_STR-MOABW sy-vline 
WA_PTM_MARK15_FIELD_STR-TPEVE sy-vline 
WA_PTM_MARK15_FIELD_STR-OKEN1 sy-vline 
WA_PTM_MARK15_FIELD_STR-OKEN2 sy-vline 
WA_PTM_MARK15_FIELD_STR-ABZNR sy-vline 
WA_PTM_MARK15_FIELD_STR-RESTP sy-vline 
WA_PTM_MARK15_FIELD_STR-OBJPS sy-vline 
WA_PTM_MARK15_FIELD_STR-TFIRE sy-vline 
WA_PTM_MARK15_FIELD_STR-DYFRC sy-vline 
WA_PTM_MARK15_FIELD_STR-OTHER sy-vline 
WA_PTM_MARK15_FIELD_STR-CUSTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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