ABAP Select data from SAP table CON_FIN_MAT_01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CON_FIN_MAT_01 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 CON_FIN_MAT_01. 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 CON_FIN_MAT_01 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_CON_FIN_MAT_01 TYPE STANDARD TABLE OF CON_FIN_MAT_01,
      WA_CON_FIN_MAT_01 TYPE CON_FIN_MAT_01,
      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: <CON_FIN_MAT_01> TYPE CON_FIN_MAT_01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CON_FIN_MAT_01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CON_FIN_MAT_01
  INTO TABLE IT_CON_FIN_MAT_01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CON_FIN_MAT_01
*  INTO TABLE @DATA(IT_CON_FIN_MAT_012).
*--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_CON_FIN_MAT_01 INDEX 1 INTO DATA(WA_CON_FIN_MAT_012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CON_FIN_MAT_01 ASSIGNING <CON_FIN_MAT_01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CON_FIN_MAT_01>-FIN_COMPANY = 1.
<CON_FIN_MAT_01>-FIN_LOCATION = 1.
<CON_FIN_MAT_01>-FIN_PRODUCT = 1.
<CON_FIN_MAT_01>-FIN_BATCH = 1.
<CON_FIN_MAT_01>-FIN_VALCLASS = 1.

ENDLOOP.

LOOP AT IT_CON_FIN_MAT_01 INTO WA_CON_FIN_MAT_01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CON_FIN_MAT_01-FIN_VALPROC, sy-vline,
  WA_CON_FIN_MAT_01-PRICE_CTRL, sy-vline,
  WA_CON_FIN_MAT_01-CURTYPE, sy-vline,
  WA_CON_FIN_MAT_01-VALUATION, sy-vline,
  WA_CON_FIN_MAT_01-FIN_FISCYEARVAR, sy-vline,
  WA_CON_FIN_MAT_01-FIN_FISCYEARPER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CON_FIN_MAT_01 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_CON_FIN_MAT_01 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_CON_FIN_MAT_01 INTO WA_CON_FIN_MAT_01.


*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 ALPHA, internal->external for field FIN_VALPROC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CON_FIN_MAT_01-FIN_VALPROC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CON_FIN_MAT_01-FIN_VALPROC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field FIN_FISCYEARPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_CON_FIN_MAT_01-FIN_FISCYEARPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CON_FIN_MAT_01-FIN_FISCYEARPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field FIN_UOMVAL
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CON_FIN_MAT_01-FIN_UOMVAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CON_FIN_MAT_01-FIN_UOMVAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FIN_ACCDOCNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CON_FIN_MAT_01-FIN_ACCDOCNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CON_FIN_MAT_01-FIN_ACCDOCNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FIN_BTATYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CON_FIN_MAT_01-FIN_BTATYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CON_FIN_MAT_01-FIN_BTATYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FIN_DOCTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CON_FIN_MAT_01-FIN_DOCTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CON_FIN_MAT_01-FIN_DOCTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FIN_GLACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CON_FIN_MAT_01-FIN_GLACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CON_FIN_MAT_01-FIN_GLACCT.
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_CON_FIN_MAT_01_STR, 
FIN_COMPANY TYPE STRING,
FIN_LOCATION TYPE STRING,
FIN_PRODUCT TYPE STRING,
FIN_BATCH TYPE STRING,
FIN_VALCLASS TYPE STRING,
FIN_VALPROC TYPE STRING,
PRICE_CTRL TYPE STRING,
CURTYPE TYPE STRING,
VALUATION TYPE STRING,
FIN_FISCYEARVAR TYPE STRING,
FIN_FISCYEARPER TYPE STRING,
FIN_CURRENCY TYPE STRING,
FIN_UOMVAL TYPE STRING,
FIN_QTYVAL TYPE STRING,
FIN_AMOUNT TYPE STRING,
ACC_SYSTEM TYPE STRING,
FIN_ACCDOCNO TYPE STRING,
FIN_BTATYPE TYPE STRING,
UNAME TYPE STRING,
FIN_DOCDAT TYPE STRING,
FIN_DOCTYPE TYPE STRING,
FIN_GLACCT TYPE STRING,
FIN_POSTDAT TYPE STRING,
FIN_PROFITCTR TYPE STRING,
FIN_PROFITCTR_P TYPE STRING,
FIN_REVTYPE TYPE STRING,
SND_BLNR TYPE STRING,
SND_JAHR TYPE STRING,
SND_ZEILE TYPE STRING,
SND_SYSTEM TYPE STRING,
SND_APPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CON_FIN_MAT_01_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_CON_FIN_MAT_01_STR-FIN_COMPANY sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_LOCATION sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_PRODUCT sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_BATCH sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_VALCLASS sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_VALPROC sy-vline 
WA_CON_FIN_MAT_01_STR-PRICE_CTRL sy-vline 
WA_CON_FIN_MAT_01_STR-CURTYPE sy-vline 
WA_CON_FIN_MAT_01_STR-VALUATION sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_FISCYEARVAR sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_FISCYEARPER sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_CURRENCY sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_UOMVAL sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_QTYVAL sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_AMOUNT sy-vline 
WA_CON_FIN_MAT_01_STR-ACC_SYSTEM sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_ACCDOCNO sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_BTATYPE sy-vline 
WA_CON_FIN_MAT_01_STR-UNAME sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_DOCDAT sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_DOCTYPE sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_GLACCT sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_POSTDAT sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_PROFITCTR sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_PROFITCTR_P sy-vline 
WA_CON_FIN_MAT_01_STR-FIN_REVTYPE sy-vline 
WA_CON_FIN_MAT_01_STR-SND_BLNR sy-vline 
WA_CON_FIN_MAT_01_STR-SND_JAHR sy-vline 
WA_CON_FIN_MAT_01_STR-SND_ZEILE sy-vline 
WA_CON_FIN_MAT_01_STR-SND_SYSTEM sy-vline 
WA_CON_FIN_MAT_01_STR-SND_APPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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