ABAP Select data from SAP table /SCMTMS/D_SCHDPL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMTMS/D_SCHDPL 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 /SCMTMS/D_SCHDPL. 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 /SCMTMS/D_SCHDPL 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_/SCMTMS/D_SCHDPL TYPE STANDARD TABLE OF /SCMTMS/D_SCHDPL,
      WA_/SCMTMS/D_SCHDPL TYPE /SCMTMS/D_SCHDPL,
      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: </SCMTMS/D_SCHDPL> TYPE /SCMTMS/D_SCHDPL.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMTMS/D_SCHDPL
  INTO TABLE IT_/SCMTMS/D_SCHDPL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/D_SCHDPL
*  INTO TABLE @DATA(IT_/SCMTMS/D_SCHDPL2).
*--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_/SCMTMS/D_SCHDPL INDEX 1 INTO DATA(WA_/SCMTMS/D_SCHDPL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMTMS/D_SCHDPL ASSIGNING </SCMTMS/D_SCHDPL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/D_SCHDPL>-MANDT = 1.
</SCMTMS/D_SCHDPL>-DB_KEY = 1.
</SCMTMS/D_SCHDPL>-ROOT_KEY = 1.
</SCMTMS/D_SCHDPL>-PARENT_KEY = 1.
</SCMTMS/D_SCHDPL>-LOC_SEQ = 1.

ENDLOOP.

LOOP AT IT_/SCMTMS/D_SCHDPL INTO WA_/SCMTMS/D_SCHDPL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/D_SCHDPL-LOC_UUID, sy-vline,
  WA_/SCMTMS/D_SCHDPL-LOC_ROLE, sy-vline,
  WA_/SCMTMS/D_SCHDPL-LOG_LOCIATA, sy-vline,
  WA_/SCMTMS/D_SCHDPL-STAGE_TYPE, sy-vline,
  WA_/SCMTMS/D_SCHDPL-TSP, sy-vline,
  WA_/SCMTMS/D_SCHDPL-TSP_SCAC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/D_SCHDPL 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_/SCMTMS/D_SCHDPL 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_/SCMTMS/D_SCHDPL INTO WA_/SCMTMS/D_SCHDPL.


*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 ID004, internal->external for field LOC_UUID
CALL FUNCTION 'CONVERSION_EXIT_ID004_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_SCHDPL-LOC_UUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_SCHDPL-LOC_UUID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ID001, internal->external for field TSP
CALL FUNCTION 'CONVERSION_EXIT_ID001_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_SCHDPL-TSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_SCHDPL-TSP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field DEPARTURE_UTC
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_SCHDPL-DEPARTURE_UTC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_SCHDPL-DEPARTURE_UTC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field ARRIVAL_UTC
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_SCHDPL-ARRIVAL_UTC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_SCHDPL-ARRIVAL_UTC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field TRANSIT
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_SCHDPL-TRANSIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_SCHDPL-TRANSIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ID001, internal->external for field CARRIER_EXE
CALL FUNCTION 'CONVERSION_EXIT_ID001_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_SCHDPL-CARRIER_EXE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_SCHDPL-CARRIER_EXE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ID001, internal->external for field CARRIER_INV
CALL FUNCTION 'CONVERSION_EXIT_ID001_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_SCHDPL-CARRIER_INV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_SCHDPL-CARRIER_INV.
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_/SCMTMS/D_SCHDPL_STR, 
MANDT TYPE STRING,
DB_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
PARENT_KEY TYPE STRING,
LOC_SEQ TYPE STRING,
LOC_UUID TYPE STRING,
LOC_ROLE TYPE STRING,
LOG_LOCIATA TYPE STRING,
STAGE_TYPE TYPE STRING,
TSP TYPE STRING,
TSP_SCAC TYPE STRING,
OPERATING_CARRIER TYPE STRING,
VESSEL TYPE STRING,
IMO_ID TYPE STRING,
AIRCRAFT_TC TYPE STRING,
TSP_AIRLC TYPE STRING,
FLIGHT_NO TYPE STRING,
SERVICE_STOP_INDICATOR TYPE STRING,
DEPARTURE_UTC TYPE STRING,
ARRIVAL_UTC TYPE STRING,
DOC_CUTOFF_UTC TYPE STRING,
CUTOFF_UTC TYPE STRING,
DGDOC_CUTOFF_UTC TYPE STRING,
AVAILABILITY_UTC TYPE STRING,
DISTANCE_KM TYPE STRING,
PRECISION TYPE STRING,
TRANSIT TYPE STRING,
CARRIER_EXE TYPE STRING,
CARRIER_INV TYPE STRING,
ENTRY_PORT TYPE STRING,
EXIT_PORT TYPE STRING,
SCH_REF TYPE STRING,
DEP_LOC_REF TYPE STRING,
PRED_DEP_LOC_REF TYPE STRING,
REF_DATA_STATUS TYPE STRING,
MANUAL_ENTRY TYPE STRING,
EXT_STAGE_ID TYPE STRING,
DEL_FLAG TYPE STRING,
LOC_POS TYPE STRING,
EEW_SCH_DEP_LOC TYPE STRING,
_DATAAGING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/D_SCHDPL_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_/SCMTMS/D_SCHDPL_STR-MANDT sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-DB_KEY sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-ROOT_KEY sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-PARENT_KEY sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-LOC_SEQ sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-LOC_UUID sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-LOC_ROLE sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-LOG_LOCIATA sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-STAGE_TYPE sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-TSP sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-TSP_SCAC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-OPERATING_CARRIER sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-VESSEL sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-IMO_ID sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-AIRCRAFT_TC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-TSP_AIRLC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-FLIGHT_NO sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-SERVICE_STOP_INDICATOR sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-DEPARTURE_UTC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-ARRIVAL_UTC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-DOC_CUTOFF_UTC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-CUTOFF_UTC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-DGDOC_CUTOFF_UTC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-AVAILABILITY_UTC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-DISTANCE_KM sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-PRECISION sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-TRANSIT sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-CARRIER_EXE sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-CARRIER_INV sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-ENTRY_PORT sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-EXIT_PORT sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-SCH_REF sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-DEP_LOC_REF sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-PRED_DEP_LOC_REF sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-REF_DATA_STATUS sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-MANUAL_ENTRY sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-EXT_STAGE_ID sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-DEL_FLAG sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-LOC_POS sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-EEW_SCH_DEP_LOC sy-vline 
WA_/SCMTMS/D_SCHDPL_STR-_DATAAGING sy-vline      INTO ld_text SEPARATED BY SPACE.

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