ABAP Select data from SAP table CTE_D_FGM_PT_DOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CTE_D_FGM_PT_DOC
*  INTO TABLE @DATA(IT_CTE_D_FGM_PT_DOC2).
*--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_CTE_D_FGM_PT_DOC INDEX 1 INTO DATA(WA_CTE_D_FGM_PT_DOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CTE_D_FGM_PT_DOC>-CLIENT = 1.
<CTE_D_FGM_PT_DOC>-SYSTEM_KEY = 1.
<CTE_D_FGM_PT_DOC>-DOCUMENT_TYPE = 1.
<CTE_D_FGM_PT_DOC>-DOCUMENT_ID = 1.
<CTE_D_FGM_PT_DOC>-REVISION_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CTE_D_FGM_PT_DOC-DOCUMENT_KEY, sy-vline,
  WA_CTE_D_FGM_PT_DOC-HASH_KEY, sy-vline,
  WA_CTE_D_FGM_PT_DOC-STATUS, sy-vline,
  WA_CTE_D_FGM_PT_DOC-ACKNOWLEDGED_IND, sy-vline,
  WA_CTE_D_FGM_PT_DOC-CONFIRMED_IND, sy-vline,
  WA_CTE_D_FGM_PT_DOC-PAID_IND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CTE_D_FGM_PT_DOC 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_CTE_D_FGM_PT_DOC 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_CTE_D_FGM_PT_DOC INTO WA_CTE_D_FGM_PT_DOC.


*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 TSTMP, internal->external for field CREATION_TIMSTP
CALL FUNCTION 'CONVERSION_EXIT_TSTMP_OUTPUT'
  EXPORTING
    input =                      WA_CTE_D_FGM_PT_DOC-CREATION_TIMSTP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTE_D_FGM_PT_DOC-CREATION_TIMSTP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTMP, internal->external for field UPDATE_TIMSTP
CALL FUNCTION 'CONVERSION_EXIT_TSTMP_OUTPUT'
  EXPORTING
    input =                      WA_CTE_D_FGM_PT_DOC-UPDATE_TIMSTP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTE_D_FGM_PT_DOC-UPDATE_TIMSTP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESS_PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CTE_D_FGM_PT_DOC-BUSINESS_PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTE_D_FGM_PT_DOC-BUSINESS_PARTNER.
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_CTE_D_FGM_PT_DOC_STR, 
CLIENT TYPE STRING,
SYSTEM_KEY TYPE STRING,
DOCUMENT_TYPE TYPE STRING,
DOCUMENT_ID TYPE STRING,
REVISION_ID TYPE STRING,
DOCUMENT_KEY TYPE STRING,
HASH_KEY TYPE STRING,
STATUS TYPE STRING,
ACKNOWLEDGED_IND TYPE STRING,
CONFIRMED_IND TYPE STRING,
PAID_IND TYPE STRING,
MODIFIED_IND TYPE STRING,
DOCUMENT_NAME TYPE STRING,
CONCUR_PAYEE_ID TYPE STRING,
CREATION_TIMSTP TYPE STRING,
UPDATE_TIMSTP TYPE STRING,
LOGNUMBER TYPE STRING,
FIN_SRV_DOC_ID TYPE STRING,
API_VERSION_ID TYPE STRING,
LOG_TRACE_UUID TYPE STRING,
DOC_REF_KEY TYPE STRING,
EXT_DATA_IND TYPE STRING,
ATTACHMENT_IND TYPE STRING,
PAYMENT_STATUS TYPE STRING,
COMPANY_CODE TYPE STRING,
BUSINESS_PARTNER TYPE STRING,
RETENTION_DATE TYPE STRING,
SDM_VERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CTE_D_FGM_PT_DOC_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_CTE_D_FGM_PT_DOC_STR-CLIENT sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-SYSTEM_KEY sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-DOCUMENT_TYPE sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-DOCUMENT_ID sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-REVISION_ID sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-DOCUMENT_KEY sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-HASH_KEY sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-STATUS sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-ACKNOWLEDGED_IND sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-CONFIRMED_IND sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-PAID_IND sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-MODIFIED_IND sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-DOCUMENT_NAME sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-CONCUR_PAYEE_ID sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-CREATION_TIMSTP sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-UPDATE_TIMSTP sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-LOGNUMBER sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-FIN_SRV_DOC_ID sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-API_VERSION_ID sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-LOG_TRACE_UUID sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-DOC_REF_KEY sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-EXT_DATA_IND sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-ATTACHMENT_IND sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-PAYMENT_STATUS sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-COMPANY_CODE sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-BUSINESS_PARTNER sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-RETENTION_DATE sy-vline 
WA_CTE_D_FGM_PT_DOC_STR-SDM_VERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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