ABAP Select data from SAP table PRSHOP1STSCHED into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRSHOP1STSCHED 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 PRSHOP1STSCHED. 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 PRSHOP1STSCHED 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_PRSHOP1STSCHED TYPE STANDARD TABLE OF PRSHOP1STSCHED,
      WA_PRSHOP1STSCHED TYPE PRSHOP1STSCHED,
      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: <PRSHOP1STSCHED> TYPE PRSHOP1STSCHED.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRSHOP1STSCHED.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRSHOP1STSCHED
  INTO TABLE IT_PRSHOP1STSCHED.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRSHOP1STSCHED
*  INTO TABLE @DATA(IT_PRSHOP1STSCHED2).
*--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_PRSHOP1STSCHED INDEX 1 INTO DATA(WA_PRSHOP1STSCHED2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRSHOP1STSCHED ASSIGNING <PRSHOP1STSCHED>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRSHOP1STSCHED>-MANDT = 1.
<PRSHOP1STSCHED>-MAINTORDERROUTINGNUMBER = 1.
<PRSHOP1STSCHED>-MAINTORDEROPERATIONCOUNTER = 1.
<PRSHOP1STSCHED>-NUMBEROFMAINTSCHEDSIMULATIONS = 1.
<PRSHOP1STSCHED>-MAINTSCHEDSIMLNUUID = 1.

ENDLOOP.

LOOP AT IT_PRSHOP1STSCHED INTO WA_PRSHOP1STSCHED.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRSHOP1STSCHED-MAINTSCHEDSIMLNDESCRIPTION, sy-vline,
  WA_PRSHOP1STSCHED-MAINTSCHEDSIMULATIONSTARTDATE, sy-vline,
  WA_PRSHOP1STSCHED-MAINTSCHEDSIMULATIONENDDATE, sy-vline,
  WA_PRSHOP1STSCHED-CREATIONDATETIME, sy-vline,
  WA_PRSHOP1STSCHED-SIMULATIONSESSIONSTATE, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_PRSHOP1STSCHED 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_PRSHOP1STSCHED 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_PRSHOP1STSCHED INTO WA_PRSHOP1STSCHED.


*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_PRSHOP1STSCHED_STR, 
MANDT TYPE STRING,
MAINTORDERROUTINGNUMBER TYPE STRING,
MAINTORDEROPERATIONCOUNTER TYPE STRING,
NUMBEROFMAINTSCHEDSIMULATIONS TYPE STRING,
MAINTSCHEDSIMLNUUID TYPE STRING,
MAINTSCHEDSIMLNDESCRIPTION TYPE STRING,
MAINTSCHEDSIMULATIONSTARTDATE TYPE STRING,
MAINTSCHEDSIMULATIONENDDATE TYPE STRING,
CREATIONDATETIME TYPE STRING,
SIMULATIONSESSIONSTATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRSHOP1STSCHED_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_PRSHOP1STSCHED_STR-MANDT sy-vline 
WA_PRSHOP1STSCHED_STR-MAINTORDERROUTINGNUMBER sy-vline 
WA_PRSHOP1STSCHED_STR-MAINTORDEROPERATIONCOUNTER sy-vline 
WA_PRSHOP1STSCHED_STR-NUMBEROFMAINTSCHEDSIMULATIONS sy-vline 
WA_PRSHOP1STSCHED_STR-MAINTSCHEDSIMLNUUID sy-vline 
WA_PRSHOP1STSCHED_STR-MAINTSCHEDSIMLNDESCRIPTION sy-vline 
WA_PRSHOP1STSCHED_STR-MAINTSCHEDSIMULATIONSTARTDATE sy-vline 
WA_PRSHOP1STSCHED_STR-MAINTSCHEDSIMULATIONENDDATE sy-vline 
WA_PRSHOP1STSCHED_STR-CREATIONDATETIME sy-vline 
WA_PRSHOP1STSCHED_STR-SIMULATIONSESSIONSTATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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