ABAP Select data from SAP table PHIN_S_MP_SCHEDU into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PHIN_S_MP_SCHEDU
*  INTO TABLE @DATA(IT_PHIN_S_MP_SCHEDU2).
*--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_PHIN_S_MP_SCHEDU INDEX 1 INTO DATA(WA_PHIN_S_MP_SCHEDU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PHIN_S_MP_SCHEDU>-MANDT = 1.
<PHIN_S_MP_SCHEDU>-FILENAME = 1.
<PHIN_S_MP_SCHEDU>-TL_KEY = 1.
<PHIN_S_MP_SCHEDU>-WPTXT = 1.
<PHIN_S_MP_SCHEDU>-WARPL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PHIN_S_MP_SCHEDU-MPTYP, sy-vline,
  WA_PHIN_S_MP_SCHEDU-STICH_TEXT, sy-vline,
  WA_PHIN_S_MP_SCHEDU-START_DATE, sy-vline,
  WA_PHIN_S_MP_SCHEDU-START_COUNTER_READING, sy-vline,
  WA_PHIN_S_MP_SCHEDU-START_COUNTER_UNIT, sy-vline,
  WA_PHIN_S_MP_SCHEDU-START_DATE_MCP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PHIN_S_MP_SCHEDU 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_PHIN_S_MP_SCHEDU 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_PHIN_S_MP_SCHEDU INTO WA_PHIN_S_MP_SCHEDU.


*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 WARPL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PHIN_S_MP_SCHEDU-WARPL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PHIN_S_MP_SCHEDU-WARPL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field START_COUNTER_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PHIN_S_MP_SCHEDU-START_COUNTER_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PHIN_S_MP_SCHEDU-START_COUNTER_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PHIN_S_MP_SCHEDU-DOKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PHIN_S_MP_SCHEDU-DOKNR.
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_PHIN_S_MP_SCHEDU_STR, 
MANDT TYPE STRING,
FILENAME TYPE STRING,
TL_KEY TYPE STRING,
WPTXT TYPE STRING,
WARPL TYPE STRING,
MPTYP TYPE STRING,
STICH_TEXT TYPE STRING,
START_DATE TYPE STRING,
START_COUNTER_READING TYPE STRING,
START_COUNTER_UNIT TYPE STRING,
START_DATE_MCP TYPE STRING,
START_TIME_MCP TYPE STRING,
MP_CHANGE_MAN TYPE STRING,
MP_SCHED_MAN TYPE STRING,
MP_LOG TYPE STRING,
MP_OK_NOK TYPE STRING,
MP_STATUS TYPE STRING,
MP_AKT TYPE STRING,
MP_AKT_TTIP TYPE STRING,
MP_INCONSISTENT TYPE STRING,
MP_SCHED TYPE STRING,
MP_SCHED_TTIP TYPE STRING,
DOKNR TYPE STRING,
DOKAR TYPE STRING,
DOKTLD TYPE STRING,
DOKVR TYPE STRING,
DKTXT TYPE STRING,
READ_ONLY_STDATE TYPE STRING,
READ_ONLY_ST_C_R TYPE STRING,
READ_ONLY_ST_C_U TYPE STRING,
READ_ONLY_STDATEMCP TYPE STRING,
READ_ONLY_STTIMEMCP TYPE STRING,
VISIBILITY_STTIMEMCP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PHIN_S_MP_SCHEDU_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_PHIN_S_MP_SCHEDU_STR-MANDT sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-FILENAME sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-TL_KEY sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-WPTXT sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-WARPL sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MPTYP sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-STICH_TEXT sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-START_DATE sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-START_COUNTER_READING sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-START_COUNTER_UNIT sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-START_DATE_MCP sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-START_TIME_MCP sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_CHANGE_MAN sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_SCHED_MAN sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_LOG sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_OK_NOK sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_STATUS sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_AKT sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_AKT_TTIP sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_INCONSISTENT sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_SCHED sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-MP_SCHED_TTIP sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-DOKNR sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-DOKAR sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-DOKTLD sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-DOKVR sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-DKTXT sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-READ_ONLY_STDATE sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-READ_ONLY_ST_C_R sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-READ_ONLY_ST_C_U sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-READ_ONLY_STDATEMCP sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-READ_ONLY_STTIMEMCP sy-vline 
WA_PHIN_S_MP_SCHEDU_STR-VISIBILITY_STTIMEMCP sy-vline      INTO ld_text SEPARATED BY SPACE.

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