ABAP Select data from SAP table GLE_MCA_STR_MI_RATES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GLE_MCA_STR_MI_RATES
*  INTO TABLE @DATA(IT_GLE_MCA_STR_MI_RATES2).
*--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_GLE_MCA_STR_MI_RATES INDEX 1 INTO DATA(WA_GLE_MCA_STR_MI_RATES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GLE_MCA_STR_MI_RATES>-BUKRS = 1.
<GLE_MCA_STR_MI_RATES>-GJAHR = 1.
<GLE_MCA_STR_MI_RATES>-BELNR = 1.
<GLE_MCA_STR_MI_RATES>-BUZEI = 1.
<GLE_MCA_STR_MI_RATES>-KURSF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GLE_MCA_STR_MI_RATES-KURS2, sy-vline,
  WA_GLE_MCA_STR_MI_RATES-KURS3, sy-vline,
  WA_GLE_MCA_STR_MI_RATES-KURSX, sy-vline,
  WA_GLE_MCA_STR_MI_RATES-KUR2X, sy-vline,
  WA_GLE_MCA_STR_MI_RATES-KUR3X, sy-vline,
  WA_GLE_MCA_STR_MI_RATES-KURSF_INT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GLE_MCA_STR_MI_RATES 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_GLE_MCA_STR_MI_RATES 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_GLE_MCA_STR_MI_RATES INTO WA_GLE_MCA_STR_MI_RATES.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURS2
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KURS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KURS2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURS3
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KURS3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KURS3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRX, internal->external for field KURSX
CALL FUNCTION 'CONVERSION_EXIT_EXCRX_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KURSX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KURSX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRX, internal->external for field KUR2X
CALL FUNCTION 'CONVERSION_EXIT_EXCRX_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KUR2X
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KUR2X.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRX, internal->external for field KUR3X
CALL FUNCTION 'CONVERSION_EXIT_EXCRX_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KUR3X
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KUR3X.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF_INT
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KURSF_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KURSF_INT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURS2_INT
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KURS2_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KURS2_INT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURS3_INT
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KURS3_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KURS3_INT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRX, internal->external for field KURSX_INT
CALL FUNCTION 'CONVERSION_EXIT_EXCRX_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KURSX_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KURSX_INT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRX, internal->external for field KUR2X_INT
CALL FUNCTION 'CONVERSION_EXIT_EXCRX_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KUR2X_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KUR2X_INT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRX, internal->external for field KUR3X_INT
CALL FUNCTION 'CONVERSION_EXIT_EXCRX_OUTPUT'
  EXPORTING
    input =                      WA_GLE_MCA_STR_MI_RATES-KUR3X_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_MCA_STR_MI_RATES-KUR3X_INT.
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_GLE_MCA_STR_MI_RATES_STR, 
BUKRS TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
KURSF TYPE STRING,
KURS2 TYPE STRING,
KURS3 TYPE STRING,
KURSX TYPE STRING,
KUR2X TYPE STRING,
KUR3X TYPE STRING,
KURSF_INT TYPE STRING,
KURS2_INT TYPE STRING,
KURS3_INT TYPE STRING,
KURSX_INT TYPE STRING,
KUR2X_INT TYPE STRING,
KUR3X_INT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GLE_MCA_STR_MI_RATES_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_GLE_MCA_STR_MI_RATES_STR-BUKRS sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-GJAHR sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-BELNR sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-BUZEI sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KURSF sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KURS2 sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KURS3 sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KURSX sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KUR2X sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KUR3X sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KURSF_INT sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KURS2_INT sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KURS3_INT sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KURSX_INT sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KUR2X_INT sy-vline 
WA_GLE_MCA_STR_MI_RATES_STR-KUR3X_INT sy-vline      INTO ld_text SEPARATED BY SPACE.

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