ABAP Select data from SAP table /SCMTMS/S_TCRATE_RATE_1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMTMS/S_TCRATE_RATE_1 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/S_TCRATE_RATE_1. 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/S_TCRATE_RATE_1 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/S_TCRATE_RATE_1 TYPE STANDARD TABLE OF /SCMTMS/S_TCRATE_RATE_1,
      WA_/SCMTMS/S_TCRATE_RATE_1 TYPE /SCMTMS/S_TCRATE_RATE_1,
      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/S_TCRATE_RATE_1> TYPE /SCMTMS/S_TCRATE_RATE_1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SCMTMS/S_TCRATE_RATE_1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMTMS/S_TCRATE_RATE_1
  INTO TABLE IT_/SCMTMS/S_TCRATE_RATE_1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/S_TCRATE_RATE_1
*  INTO TABLE @DATA(IT_/SCMTMS/S_TCRATE_RATE_12).
*--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/S_TCRATE_RATE_1 INDEX 1 INTO DATA(WA_/SCMTMS/S_TCRATE_RATE_12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMTMS/S_TCRATE_RATE_1 ASSIGNING </SCMTMS/S_TCRATE_RATE_1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/S_TCRATE_RATE_1>-SCALE_ITEM_KEY01 = 1.
</SCMTMS/S_TCRATE_RATE_1>-RATE = 1.
</SCMTMS/S_TCRATE_RATE_1>-RATE_CURR = 1.
</SCMTMS/S_TCRATE_RATE_1>-TARGET_RATE = 1.
</SCMTMS/S_TCRATE_RATE_1>-TOLERANCE = 1.

ENDLOOP.

LOOP AT IT_/SCMTMS/S_TCRATE_RATE_1 INTO WA_/SCMTMS/S_TCRATE_RATE_1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/S_TCRATE_RATE_1-ZERO_RATE, sy-vline,
  WA_/SCMTMS/S_TCRATE_RATE_1-SOL_SPEND_AMOUNT, sy-vline,
  WA_/SCMTMS/S_TCRATE_RATE_1-SOL_SPEND_CURR, sy-vline,
  WA_/SCMTMS/S_TCRATE_RATE_1-RATE_REQUESTED, sy-vline,
  WA_/SCMTMS/S_TCRATE_RATE_1-VALID_START_DT, sy-vline,
  WA_/SCMTMS/S_TCRATE_RATE_1-VALID_END_DT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/S_TCRATE_RATE_1 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/S_TCRATE_RATE_1 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/S_TCRATE_RATE_1 INTO WA_/SCMTMS/S_TCRATE_RATE_1.


*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 TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_TCRATE_RATE_1-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TCRATE_RATE_1-CREATED_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_TCRATE_RATE_1-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TCRATE_RATE_1-CHANGED_ON.
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/S_TCRATE_RATE_1_STR, 
SCALE_ITEM_KEY01 TYPE STRING,
RATE TYPE STRING,
RATE_CURR TYPE STRING,
TARGET_RATE TYPE STRING,
TOLERANCE TYPE STRING,
ZERO_RATE TYPE STRING,
SOL_SPEND_AMOUNT TYPE STRING,
SOL_SPEND_CURR TYPE STRING,
RATE_REQUESTED TYPE STRING,
VALID_START_DT TYPE STRING,
VALID_END_DT TYPE STRING,
RATE_DATE_FROM_TS TYPE STRING,
RATE_DATE_TO_TS TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
EEW_TCRATE_1DMRT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/S_TCRATE_RATE_1_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/S_TCRATE_RATE_1_STR-SCALE_ITEM_KEY01 sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-RATE sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-RATE_CURR sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-TARGET_RATE sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-TOLERANCE sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-ZERO_RATE sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-SOL_SPEND_AMOUNT sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-SOL_SPEND_CURR sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-RATE_REQUESTED sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-VALID_START_DT sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-VALID_END_DT sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-RATE_DATE_FROM_TS sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-RATE_DATE_TO_TS sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-CREATED_BY sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-CREATED_ON sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-CHANGED_BY sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-CHANGED_ON sy-vline 
WA_/SCMTMS/S_TCRATE_RATE_1_STR-EEW_TCRATE_1DMRT sy-vline      INTO ld_text SEPARATED BY SPACE.

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