ABAP Select data from SAP table CRMT_IST_BUAGS_EI_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_IST_BUAGS_EI_DATA
*  INTO TABLE @DATA(IT_CRMT_IST_BUAGS_EI_DATA2).
*--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_CRMT_IST_BUAGS_EI_DATA INDEX 1 INTO DATA(WA_CRMT_IST_BUAGS_EI_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_IST_BUAGS_EI_DATA>-GENERAL_DATA = 1.
<CRMT_IST_BUAGS_EI_DATA>-DATA = 1.
<CRMT_IST_BUAGS_EI_DATA>-BABR_TEXT = 1.
<CRMT_IST_BUAGS_EI_DATA>-METHOD_INC = 1.
<CRMT_IST_BUAGS_EI_DATA>-METHOD_OUTG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_IST_BUAGS_EI_DATA-SENDCONTROL_DR, sy-vline,
  WA_CRMT_IST_BUAGS_EI_DATA-TOFPAYM, sy-vline,
  WA_CRMT_IST_BUAGS_EI_DATA-SENDCONTROL_BR, sy-vline,
  WA_CRMT_IST_BUAGS_EI_DATA-CORRESP_VARIANT, sy-vline,
  WA_CRMT_IST_BUAGS_EI_DATA-SENDCONTROL_BP, sy-vline,
  WA_CRMT_IST_BUAGS_EI_DATA-DATA_X, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_IST_BUAGS_EI_DATA 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_CRMT_IST_BUAGS_EI_DATA 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_CRMT_IST_BUAGS_EI_DATA INTO WA_CRMT_IST_BUAGS_EI_DATA.


*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_CRMT_IST_BUAGS_EI_DATA_STR, 
GENERAL_DATA TYPE STRING,
DATA TYPE STRING,
BABR_TEXT TYPE STRING,
METHOD_INC TYPE STRING,
METHOD_OUTG TYPE STRING,
SENDCONTROL_DR TYPE STRING,
TOFPAYM TYPE STRING,
SENDCONTROL_BR TYPE STRING,
CORRESP_VARIANT TYPE STRING,
SENDCONTROL_BP TYPE STRING,
DATA_X TYPE STRING,
BABR_TEXT TYPE STRING,
METHOD_INC TYPE STRING,
METHOD_OUTG TYPE STRING,
SENDCONTROL_DR TYPE STRING,
TOFPAYM TYPE STRING,
SENDCONTROL_BR TYPE STRING,
CORRESP_VARIANT TYPE STRING,
SENDCONTROL_BP TYPE STRING,
SPECIAL_DATA TYPE STRING,
DATA TYPE STRING,
BUAG_TEXT TYPE STRING,
BUAG_DEFAULT TYPE STRING,
BUAG_CLASS TYPE STRING,
ADDR_CR_GUID TYPE STRING,
BANK_INC TYPE STRING,
BANK_OUTG TYPE STRING,
CREDIT_CARD_INC TYPE STRING,
CREDIT_CARD_OUTG TYPE STRING,
ADDR_DR_GUID TYPE STRING,
ADDR_PY_GUID TYPE STRING,
ADDR_PR_GUID TYPE STRING,
ADDR_IR_GUID TYPE STRING,
ADDR_TAX_GUID TYPE STRING,
PAYER_BUAG_GUID TYPE STRING,
TAX_CATEGORY TYPE STRING,
TAX_CODE TYPE STRING,
BUAG_ACTV_ACC TYPE STRING,
REF_NUMBER TYPE STRING,
DATA_X TYPE STRING,
BUAG_TEXT TYPE STRING,
BUAG_DEFAULT TYPE STRING,
BUAG_CLASS TYPE STRING,
ADDR_CR_GUID TYPE STRING,
BANK_INC TYPE STRING,
BANK_OUTG TYPE STRING,
CREDIT_CARD_INC TYPE STRING,
CREDIT_CARD_OUTG TYPE STRING,
ADDR_DR_GUID TYPE STRING,
ADDR_PY_GUID TYPE STRING,
ADDR_PR_GUID TYPE STRING,
ADDR_IR_GUID TYPE STRING,
ADDR_TAX_GUID TYPE STRING,
PAYER_BUAG_GUID TYPE STRING,
TAX_CATEGORY TYPE STRING,
TAX_CODE TYPE STRING,
BUAG_ACTV_ACC TYPE STRING,
REF_NUMBER TYPE STRING,
RELATIONS_DATA TYPE STRING,
CURRENT_STATE TYPE STRING,
RELATIONS TYPE STRING,
PREPAID_DATA TYPE STRING,
CURRENT_STATE TYPE STRING,
PREPAID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_IST_BUAGS_EI_DATA_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_CRMT_IST_BUAGS_EI_DATA_STR-GENERAL_DATA sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-DATA sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BABR_TEXT sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-METHOD_INC sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-METHOD_OUTG sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-SENDCONTROL_DR sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-TOFPAYM sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-SENDCONTROL_BR sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-CORRESP_VARIANT sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-SENDCONTROL_BP sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-DATA_X sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BABR_TEXT sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-METHOD_INC sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-METHOD_OUTG sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-SENDCONTROL_DR sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-TOFPAYM sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-SENDCONTROL_BR sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-CORRESP_VARIANT sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-SENDCONTROL_BP sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-SPECIAL_DATA sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-DATA sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BUAG_TEXT sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BUAG_DEFAULT sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BUAG_CLASS sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_CR_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BANK_INC sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BANK_OUTG sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-CREDIT_CARD_INC sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-CREDIT_CARD_OUTG sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_DR_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_PY_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_PR_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_IR_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_TAX_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-PAYER_BUAG_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-TAX_CATEGORY sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-TAX_CODE sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BUAG_ACTV_ACC sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-REF_NUMBER sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-DATA_X sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BUAG_TEXT sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BUAG_DEFAULT sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BUAG_CLASS sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_CR_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BANK_INC sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BANK_OUTG sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-CREDIT_CARD_INC sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-CREDIT_CARD_OUTG sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_DR_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_PY_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_PR_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_IR_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-ADDR_TAX_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-PAYER_BUAG_GUID sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-TAX_CATEGORY sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-TAX_CODE sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-BUAG_ACTV_ACC sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-REF_NUMBER sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-RELATIONS_DATA sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-CURRENT_STATE sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-RELATIONS sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-PREPAID_DATA sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-CURRENT_STATE sy-vline 
WA_CRMT_IST_BUAGS_EI_DATA_STR-PREPAID sy-vline      INTO ld_text SEPARATED BY SPACE.

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