ABAP Select data from SAP table /SCMB/CIF_RESTMHEADX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMB/CIF_RESTMHEADX
*  INTO TABLE @DATA(IT_/SCMB/CIF_RESTMHEADX2).
*--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_/SCMB/CIF_RESTMHEADX INDEX 1 INTO DATA(WA_/SCMB/CIF_RESTMHEADX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMB/CIF_RESTMHEADX>-RESOURCE = 1.
</SCMB/CIF_RESTMHEADX>-EXT_CAT = 1.
</SCMB/CIF_RESTMHEADX>-EXT_LOCNO = 1.
</SCMB/CIF_RESTMHEADX>-LOCTYPE = 1.
</SCMB/CIF_RESTMHEADX>-VALIDDFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMB/CIF_RESTMHEADX-VALIDDTO, sy-vline,
  WA_/SCMB/CIF_RESTMHEADX-COMPANY_CODE, sy-vline,
  WA_/SCMB/CIF_RESTMHEADX-INSERVICEDATE, sy-vline,
  WA_/SCMB/CIF_RESTMHEADX-BUILDDATE, sy-vline,
  WA_/SCMB/CIF_RESTMHEADX-PLATENUMBER, sy-vline,
  WA_/SCMB/CIF_RESTMHEADX-MAX_GROSS_WEIGHT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMB/CIF_RESTMHEADX 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_/SCMB/CIF_RESTMHEADX 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_/SCMB/CIF_RESTMHEADX INTO WA_/SCMB/CIF_RESTMHEADX.


*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_/SCMB/CIF_RESTMHEADX_STR, 
RESOURCE TYPE STRING,
EXT_CAT TYPE STRING,
EXT_LOCNO TYPE STRING,
LOCTYPE TYPE STRING,
VALIDDFROM TYPE STRING,
VALIDDTO TYPE STRING,
COMPANY_CODE TYPE STRING,
INSERVICEDATE TYPE STRING,
BUILDDATE TYPE STRING,
PLATENUMBER TYPE STRING,
MAX_GROSS_WEIGHT TYPE STRING,
MAX_GROSS_WEIGHT_UOM TYPE STRING,
TARE_WEIGHT TYPE STRING,
TARE_WEIGHT_UOM TYPE STRING,
MAX_LENGTH TYPE STRING,
MAX_WIDTH TYPE STRING,
MAX_HEIGHT TYPE STRING,
MAX_LWH_UOM TYPE STRING,
AXLE_COUNT TYPE STRING,
CUBIC_CAPACITY TYPE STRING,
CUBIC_CAPA_UOM TYPE STRING,
PAYLOAD_WEIGHT TYPE STRING,
PAYLOAD_WGHT_UOM TYPE STRING,
INTERNAL_LENGTH TYPE STRING,
INTERNAL_WIDTH TYPE STRING,
INTERNAL_HEIGHT TYPE STRING,
INTERNAL_LWH_UOM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMB/CIF_RESTMHEADX_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_/SCMB/CIF_RESTMHEADX_STR-RESOURCE sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-EXT_CAT sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-EXT_LOCNO sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-LOCTYPE sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-VALIDDFROM sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-VALIDDTO sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-COMPANY_CODE sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-INSERVICEDATE sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-BUILDDATE sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-PLATENUMBER sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-MAX_GROSS_WEIGHT sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-MAX_GROSS_WEIGHT_UOM sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-TARE_WEIGHT sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-TARE_WEIGHT_UOM sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-MAX_LENGTH sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-MAX_WIDTH sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-MAX_HEIGHT sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-MAX_LWH_UOM sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-AXLE_COUNT sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-CUBIC_CAPACITY sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-CUBIC_CAPA_UOM sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-PAYLOAD_WEIGHT sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-PAYLOAD_WGHT_UOM sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-INTERNAL_LENGTH sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-INTERNAL_WIDTH sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-INTERNAL_HEIGHT sy-vline 
WA_/SCMB/CIF_RESTMHEADX_STR-INTERNAL_LWH_UOM sy-vline      INTO ld_text SEPARATED BY SPACE.

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