ABAP Select data from SAP table /BA1/BAPIF4_STR_FX_MAPIPA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BA1/BAPIF4_STR_FX_MAPIPA 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 /BA1/BAPIF4_STR_FX_MAPIPA. 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 /BA1/BAPIF4_STR_FX_MAPIPA 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_/BA1/BAPIF4_STR_FX_MAPIPA TYPE STANDARD TABLE OF /BA1/BAPIF4_STR_FX_MAPIPA,
      WA_/BA1/BAPIF4_STR_FX_MAPIPA TYPE /BA1/BAPIF4_STR_FX_MAPIPA,
      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: </BA1/BAPIF4_STR_FX_MAPIPA> TYPE /BA1/BAPIF4_STR_FX_MAPIPA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BA1/BAPIF4_STR_FX_MAPIPA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BA1/BAPIF4_STR_FX_MAPIPA
  INTO TABLE IT_/BA1/BAPIF4_STR_FX_MAPIPA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BA1/BAPIF4_STR_FX_MAPIPA
*  INTO TABLE @DATA(IT_/BA1/BAPIF4_STR_FX_MAPIPA2).
*--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_/BA1/BAPIF4_STR_FX_MAPIPA INDEX 1 INTO DATA(WA_/BA1/BAPIF4_STR_FX_MAPIPA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BA1/BAPIF4_STR_FX_MAPIPA ASSIGNING </BA1/BAPIF4_STR_FX_MAPIPA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BA1/BAPIF4_STR_FX_MAPIPA>-MDCODE = 1.
</BA1/BAPIF4_STR_FX_MAPIPA>-RATETYPE = 1.
</BA1/BAPIF4_STR_FX_MAPIPA>-FROMFACTOR = 1.
</BA1/BAPIF4_STR_FX_MAPIPA>-FROMCCY = 1.
</BA1/BAPIF4_STR_FX_MAPIPA>-TOFACTOR = 1.

ENDLOOP.

LOOP AT IT_/BA1/BAPIF4_STR_FX_MAPIPA INTO WA_/BA1/BAPIF4_STR_FX_MAPIPA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BA1/BAPIF4_STR_FX_MAPIPA-TOCCY, sy-vline,
  WA_/BA1/BAPIF4_STR_FX_MAPIPA-CONVTYPE, sy-vline,
  WA_/BA1/BAPIF4_STR_FX_MAPIPA-VALIDDATE, sy-vline,
  WA_/BA1/BAPIF4_STR_FX_MAPIPA-VALIDFROM, sy-vline,
  WA_/BA1/BAPIF4_STR_FX_MAPIPA-VALIDTO, sy-vline,
  WA_/BA1/BAPIF4_STR_FX_MAPIPA-SYSTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BA1/BAPIF4_STR_FX_MAPIPA 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_/BA1/BAPIF4_STR_FX_MAPIPA 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_/BA1/BAPIF4_STR_FX_MAPIPA INTO WA_/BA1/BAPIF4_STR_FX_MAPIPA.


*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_/BA1/BAPIF4_STR_FX_MAPIPA_STR, 
MDCODE TYPE STRING,
RATETYPE TYPE STRING,
FROMFACTOR TYPE STRING,
FROMCCY TYPE STRING,
TOFACTOR TYPE STRING,
TOCCY TYPE STRING,
CONVTYPE TYPE STRING,
VALIDDATE TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
SYSTIME TYPE STRING,
NOTATION TYPE STRING,
FXRATE TYPE STRING,
STATUS TYPE STRING,
TESTRUN TYPE STRING,
CORRECTIONSERVERACTIV TYPE STRING,
FROMCCY_ISO TYPE STRING,
TOCCY_ISO TYPE STRING,
EXTENDEDFXRATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BA1/BAPIF4_STR_FX_MAPIPA_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_/BA1/BAPIF4_STR_FX_MAPIPA_STR-MDCODE sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-RATETYPE sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-FROMFACTOR sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-FROMCCY sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-TOFACTOR sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-TOCCY sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-CONVTYPE sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-VALIDDATE sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-VALIDFROM sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-VALIDTO sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-SYSTIME sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-NOTATION sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-FXRATE sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-STATUS sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-TESTRUN sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-CORRECTIONSERVERACTIV sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-FROMCCY_ISO sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-TOCCY_ISO sy-vline 
WA_/BA1/BAPIF4_STR_FX_MAPIPA_STR-EXTENDEDFXRATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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