ABAP Select data from SAP table BAPICMS_STR_CAG_BASIC_CRT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPICMS_STR_CAG_BASIC_CRT
*  INTO TABLE @DATA(IT_BAPICMS_STR_CAG_BASIC_CRT2).
*--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_BAPICMS_STR_CAG_BASIC_CRT INDEX 1 INTO DATA(WA_BAPICMS_STR_CAG_BASIC_CRT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPICMS_STR_CAG_BASIC_CRT>-NOMINAL_VALUE = 1.
<BAPICMS_STR_CAG_BASIC_CRT>-NOMINAL_VALUE_CURRENCY = 1.
<BAPICMS_STR_CAG_BASIC_CRT>-NOMINAL_VALUE_CURRENCY_ISO = 1.
<BAPICMS_STR_CAG_BASIC_CRT>-ASSESSMENT_AMOUNT = 1.
<BAPICMS_STR_CAG_BASIC_CRT>-ASSESSMENT_CURRENCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPICMS_STR_CAG_BASIC_CRT-ASSESSMENT_CURRENCY_ISO, sy-vline,
  WA_BAPICMS_STR_CAG_BASIC_CRT-ASSESSMENT_DATE, sy-vline,
  WA_BAPICMS_STR_CAG_BASIC_CRT-COLLATERAL_AGREEMENT_DATE, sy-vline,
  WA_BAPICMS_STR_CAG_BASIC_CRT-AGREEMENT_VALID_FROM, sy-vline,
  WA_BAPICMS_STR_CAG_BASIC_CRT-AGREEMENT_VALID_TO, sy-vline,
  WA_BAPICMS_STR_CAG_BASIC_CRT-COUNTRY_KEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPICMS_STR_CAG_BASIC_CRT 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_BAPICMS_STR_CAG_BASIC_CRT 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_BAPICMS_STR_CAG_BASIC_CRT INTO WA_BAPICMS_STR_CAG_BASIC_CRT.


*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_BAPICMS_STR_CAG_BASIC_CRT_STR, 
NOMINAL_VALUE TYPE STRING,
NOMINAL_VALUE_CURRENCY TYPE STRING,
NOMINAL_VALUE_CURRENCY_ISO TYPE STRING,
ASSESSMENT_AMOUNT TYPE STRING,
ASSESSMENT_CURRENCY TYPE STRING,
ASSESSMENT_CURRENCY_ISO TYPE STRING,
ASSESSMENT_DATE TYPE STRING,
COLLATERAL_AGREEMENT_DATE TYPE STRING,
AGREEMENT_VALID_FROM TYPE STRING,
AGREEMENT_VALID_TO TYPE STRING,
COUNTRY_KEY TYPE STRING,
COUNTRY_KEY_ISO TYPE STRING,
IS_GLOBAL_COLLATERAL_AGREEMENT TYPE STRING,
PERCENTAGE_ASSET_VALUE TYPE STRING,
GUARANTEE_RATE TYPE STRING,
SPECIAL_MARKDOWN_PERCENT TYPE STRING,
SPECIAL_MARKDOWN_AMOUNT TYPE STRING,
SPECIAL_MARKDOWN_CURRENCY_ISO TYPE STRING,
COLLATERAL_AGMT_DESCRIPTION TYPE STRING,
RELEASE_FREQUENCY_UNIT TYPE STRING,
RELEASE_FREQUENCY_PERIOD TYPE STRING,
OLD_COLLATERAL_AGREEMENT_ID TYPE STRING,
MIN_QUALITATIVE_EXCEPTION_TYPE TYPE STRING,
TERM_REASON TYPE STRING,
MIN_QUALITATIVE_RQMT_FULFILLED TYPE STRING,
MIN_QUALITATIVE_CRITERION TYPE STRING,
TERM_RIGHT_TYP TYPE STRING,
TERMINATION_FREQUENCY_UNIT TYPE STRING,
TERMINATION_FREQUENCY_PERIOD TYPE STRING,
NOTICE_PERIOD_UNIT TYPE STRING,
REQUIRED_NOTICE_PERIOD TYPE STRING,
FIRST_TERMINATION_DATE TYPE STRING,
GUARANTEED_TERMINATION_AMOUNT TYPE STRING,
TERMINATION_AMOUNT_CURRENCY TYPE STRING,
TERMINATION_AMOUNT_CURRENCY_IS TYPE STRING,
MINIMUM_STOCK_AMOUNT TYPE STRING,
MINIMUM_STOCK_CURRENCY TYPE STRING,
CURRENCY_ISO TYPE STRING,
ADDITIONAL_RECEIVABLE_ALLOWED TYPE STRING,
ADDITIONAL_RECEIVABLE_DATE TYPE STRING,
SCOPE_OF_INSURANCE_COVER TYPE STRING,
POOL_LIQUIDATION_MODE TYPE STRING,
RELEASE_THRESHOLD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPICMS_STR_CAG_BASIC_CRT_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_BAPICMS_STR_CAG_BASIC_CRT_STR-NOMINAL_VALUE sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-NOMINAL_VALUE_CURRENCY sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-NOMINAL_VALUE_CURRENCY_ISO sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-ASSESSMENT_AMOUNT sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-ASSESSMENT_CURRENCY sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-ASSESSMENT_CURRENCY_ISO sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-ASSESSMENT_DATE sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-COLLATERAL_AGREEMENT_DATE sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-AGREEMENT_VALID_FROM sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-AGREEMENT_VALID_TO sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-COUNTRY_KEY sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-COUNTRY_KEY_ISO sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-IS_GLOBAL_COLLATERAL_AGREEMENT sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-PERCENTAGE_ASSET_VALUE sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-GUARANTEE_RATE sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-SPECIAL_MARKDOWN_PERCENT sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-SPECIAL_MARKDOWN_AMOUNT sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-SPECIAL_MARKDOWN_CURRENCY_ISO sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-COLLATERAL_AGMT_DESCRIPTION sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-RELEASE_FREQUENCY_UNIT sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-RELEASE_FREQUENCY_PERIOD sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-OLD_COLLATERAL_AGREEMENT_ID sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-MIN_QUALITATIVE_EXCEPTION_TYPE sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-TERM_REASON sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-MIN_QUALITATIVE_RQMT_FULFILLED sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-MIN_QUALITATIVE_CRITERION sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-TERM_RIGHT_TYP sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-TERMINATION_FREQUENCY_UNIT sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-TERMINATION_FREQUENCY_PERIOD sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-NOTICE_PERIOD_UNIT sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-REQUIRED_NOTICE_PERIOD sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-FIRST_TERMINATION_DATE sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-GUARANTEED_TERMINATION_AMOUNT sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-TERMINATION_AMOUNT_CURRENCY sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-TERMINATION_AMOUNT_CURRENCY_IS sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-MINIMUM_STOCK_AMOUNT sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-MINIMUM_STOCK_CURRENCY sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-CURRENCY_ISO sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-ADDITIONAL_RECEIVABLE_ALLOWED sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-ADDITIONAL_RECEIVABLE_DATE sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-SCOPE_OF_INSURANCE_COVER sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-POOL_LIQUIDATION_MODE sy-vline 
WA_BAPICMS_STR_CAG_BASIC_CRT_STR-RELEASE_THRESHOLD sy-vline      INTO ld_text SEPARATED BY SPACE.

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