ABAP Select data from SAP table PTR_F_WEEKBAL_SALDO_TAB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTR_F_WEEKBAL_SALDO_TAB
*  INTO TABLE @DATA(IT_PTR_F_WEEKBAL_SALDO_TAB2).
*--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_PTR_F_WEEKBAL_SALDO_TAB INDEX 1 INTO DATA(WA_PTR_F_WEEKBAL_SALDO_TAB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTR_F_WEEKBAL_SALDO_TAB>-ZTART01 = 1.
<PTR_F_WEEKBAL_SALDO_TAB>-LGTXT01 = 1.
<PTR_F_WEEKBAL_SALDO_TAB>-KZTXT01 = 1.
<PTR_F_WEEKBAL_SALDO_TAB>-DUR01 = 1.
<PTR_F_WEEKBAL_SALDO_TAB>-ZTART02 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTR_F_WEEKBAL_SALDO_TAB-LGTXT02, sy-vline,
  WA_PTR_F_WEEKBAL_SALDO_TAB-KZTXT02, sy-vline,
  WA_PTR_F_WEEKBAL_SALDO_TAB-DUR02, sy-vline,
  WA_PTR_F_WEEKBAL_SALDO_TAB-ZTART03, sy-vline,
  WA_PTR_F_WEEKBAL_SALDO_TAB-LGTXT03, sy-vline,
  WA_PTR_F_WEEKBAL_SALDO_TAB-KZTXT03, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTR_F_WEEKBAL_SALDO_TAB 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_PTR_F_WEEKBAL_SALDO_TAB 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_PTR_F_WEEKBAL_SALDO_TAB INTO WA_PTR_F_WEEKBAL_SALDO_TAB.


*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_PTR_F_WEEKBAL_SALDO_TAB_STR, 
ZTART01 TYPE STRING,
LGTXT01 TYPE STRING,
KZTXT01 TYPE STRING,
DUR01 TYPE STRING,
ZTART02 TYPE STRING,
LGTXT02 TYPE STRING,
KZTXT02 TYPE STRING,
DUR02 TYPE STRING,
ZTART03 TYPE STRING,
LGTXT03 TYPE STRING,
KZTXT03 TYPE STRING,
DUR03 TYPE STRING,
ZTART04 TYPE STRING,
LGTXT04 TYPE STRING,
KZTXT04 TYPE STRING,
DUR04 TYPE STRING,
ZTART05 TYPE STRING,
LGTXT05 TYPE STRING,
KZTXT05 TYPE STRING,
DUR05 TYPE STRING,
ZTART06 TYPE STRING,
LGTXT06 TYPE STRING,
KZTXT06 TYPE STRING,
DUR06 TYPE STRING,
ZTART07 TYPE STRING,
LGTXT07 TYPE STRING,
KZTXT07 TYPE STRING,
DUR07 TYPE STRING,
ZTART08 TYPE STRING,
LGTXT08 TYPE STRING,
KZTXT08 TYPE STRING,
DUR08 TYPE STRING,
ZTART09 TYPE STRING,
LGTXT09 TYPE STRING,
KZTXT09 TYPE STRING,
DUR09 TYPE STRING,
ZTART10 TYPE STRING,
LGTXT10 TYPE STRING,
KZTXT10 TYPE STRING,
DUR10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTR_F_WEEKBAL_SALDO_TAB_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_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART01 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT01 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT01 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR01 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART02 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT02 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT02 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR02 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART03 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT03 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT03 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR03 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART04 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT04 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT04 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR04 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART05 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT05 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT05 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR05 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART06 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT06 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT06 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR06 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART07 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT07 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT07 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR07 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART08 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT08 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT08 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR08 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART09 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT09 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT09 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR09 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-ZTART10 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-LGTXT10 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-KZTXT10 sy-vline 
WA_PTR_F_WEEKBAL_SALDO_TAB_STR-DUR10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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