ABAP Select data from SAP table PINP_ROSTER_CHANGES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PINP_ROSTER_CHANGES
*  INTO TABLE @DATA(IT_PINP_ROSTER_CHANGES2).
*--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_PINP_ROSTER_CHANGES INDEX 1 INTO DATA(WA_PINP_ROSTER_CHANGES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PINP_ROSTER_CHANGES>-BUKRS = 1.
<PINP_ROSTER_CHANGES>-BUTXT = 1.
<PINP_ROSTER_CHANGES>-ORGUNIT = 1.
<PINP_ROSTER_CHANGES>-ORGUNITT = 1.
<PINP_ROSTER_CHANGES>-ROSTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PINP_ROSTER_CHANGES-ROSTERT, sy-vline,
  WA_PINP_ROSTER_CHANGES-ROSTERPT, sy-vline,
  WA_PINP_ROSTER_CHANGES-EMPLOYEE, sy-vline,
  WA_PINP_ROSTER_CHANGES-RECTY, sy-vline,
  WA_PINP_ROSTER_CHANGES-RSDEP, sy-vline,
  WA_PINP_ROSTER_CHANGES-REGION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PINP_ROSTER_CHANGES 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_PINP_ROSTER_CHANGES 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_PINP_ROSTER_CHANGES INTO WA_PINP_ROSTER_CHANGES.


*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_PINP_ROSTER_CHANGES_STR, 
BUKRS TYPE STRING,
BUTXT TYPE STRING,
ORGUNIT TYPE STRING,
ORGUNITT TYPE STRING,
ROSTER TYPE STRING,
ROSTERT TYPE STRING,
ROSTERPT TYPE STRING,
EMPLOYEE TYPE STRING,
RECTY TYPE STRING,
RSDEP TYPE STRING,
REGION TYPE STRING,
GROUPS TYPE STRING,
PSCALE TYPE STRING,
PERSC TYPE STRING,
PERST TYPE STRING,
PEROBC TYPE STRING,
PERVH TYPE STRING,
PEROH TYPE STRING,
PERHH TYPE STRING,
TOTRP_FR TYPE STRING,
TOTORP_FR TYPE STRING,
VRPF_SC TYPE STRING,
VRPF_ST TYPE STRING,
VRPF_OBC TYPE STRING,
VRPF_UR TYPE STRING,
VRPF_VH TYPE STRING,
VRPF_OH TYPE STRING,
VRPF_HH TYPE STRING,
ETFR_SC TYPE STRING,
ETFR_ST TYPE STRING,
ETFR_OBC TYPE STRING,
ETFR_UR TYPE STRING,
ETFR_VH TYPE STRING,
ETFR_OH TYPE STRING,
ETFR_HH TYPE STRING,
EXSSF_SC TYPE STRING,
EXSSF_ST TYPE STRING,
EXSSF_OBC TYPE STRING,
EXSSF_UR TYPE STRING,
EXSSF_VH TYPE STRING,
EXSSF_OH TYPE STRING,
EXSSF_HH TYPE STRING,
SEP_SC TYPE STRING,
SEP_ST TYPE STRING,
SEP_OBC TYPE STRING,
SEP_UR TYPE STRING,
SEP_VH TYPE STRING,
SEP_OH TYPE STRING,
SEP_HH TYPE STRING,
TOTSEP TYPE STRING,
IND_SC TYPE STRING,
IND_ST TYPE STRING,
IND_OBC TYPE STRING,
IND_UR TYPE STRING,
IND_VH TYPE STRING,
IND_OH TYPE STRING,
IND_HH TYPE STRING,
TOTIND TYPE STRING,
TOTRP_TO TYPE STRING,
TOTORP_TO TYPE STRING,
VRPT_SC TYPE STRING,
VRPT_ST TYPE STRING,
VRPT_OBC TYPE STRING,
VRPT_UR TYPE STRING,
VRPT_VH TYPE STRING,
VRPT_OH TYPE STRING,
VRPT_HH TYPE STRING,
ETTO_SC TYPE STRING,
ETTO_ST TYPE STRING,
ETTO_OBC TYPE STRING,
ETTO_UR TYPE STRING,
ETTO_VH TYPE STRING,
ETTO_OH TYPE STRING,
ETTO_HH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PINP_ROSTER_CHANGES_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_PINP_ROSTER_CHANGES_STR-BUKRS sy-vline 
WA_PINP_ROSTER_CHANGES_STR-BUTXT sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ORGUNIT sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ORGUNITT sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ROSTER sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ROSTERT sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ROSTERPT sy-vline 
WA_PINP_ROSTER_CHANGES_STR-EMPLOYEE sy-vline 
WA_PINP_ROSTER_CHANGES_STR-RECTY sy-vline 
WA_PINP_ROSTER_CHANGES_STR-RSDEP sy-vline 
WA_PINP_ROSTER_CHANGES_STR-REGION sy-vline 
WA_PINP_ROSTER_CHANGES_STR-GROUPS sy-vline 
WA_PINP_ROSTER_CHANGES_STR-PSCALE sy-vline 
WA_PINP_ROSTER_CHANGES_STR-PERSC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-PERST sy-vline 
WA_PINP_ROSTER_CHANGES_STR-PEROBC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-PERVH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-PEROH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-PERHH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-TOTRP_FR sy-vline 
WA_PINP_ROSTER_CHANGES_STR-TOTORP_FR sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPF_SC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPF_ST sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPF_OBC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPF_UR sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPF_VH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPF_OH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPF_HH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETFR_SC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETFR_ST sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETFR_OBC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETFR_UR sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETFR_VH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETFR_OH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETFR_HH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-EXSSF_SC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-EXSSF_ST sy-vline 
WA_PINP_ROSTER_CHANGES_STR-EXSSF_OBC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-EXSSF_UR sy-vline 
WA_PINP_ROSTER_CHANGES_STR-EXSSF_VH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-EXSSF_OH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-EXSSF_HH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-SEP_SC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-SEP_ST sy-vline 
WA_PINP_ROSTER_CHANGES_STR-SEP_OBC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-SEP_UR sy-vline 
WA_PINP_ROSTER_CHANGES_STR-SEP_VH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-SEP_OH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-SEP_HH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-TOTSEP sy-vline 
WA_PINP_ROSTER_CHANGES_STR-IND_SC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-IND_ST sy-vline 
WA_PINP_ROSTER_CHANGES_STR-IND_OBC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-IND_UR sy-vline 
WA_PINP_ROSTER_CHANGES_STR-IND_VH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-IND_OH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-IND_HH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-TOTIND sy-vline 
WA_PINP_ROSTER_CHANGES_STR-TOTRP_TO sy-vline 
WA_PINP_ROSTER_CHANGES_STR-TOTORP_TO sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPT_SC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPT_ST sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPT_OBC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPT_UR sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPT_VH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPT_OH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-VRPT_HH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETTO_SC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETTO_ST sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETTO_OBC sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETTO_UR sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETTO_VH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETTO_OH sy-vline 
WA_PINP_ROSTER_CHANGES_STR-ETTO_HH sy-vline      INTO ld_text SEPARATED BY SPACE.

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