ABAP Select data from SAP table CTE_S_FND_POST_LOCK_FAILED into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CTE_S_FND_POST_LOCK_FAILED 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_S_FND_POST_LOCK_FAILED. 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_S_FND_POST_LOCK_FAILED 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_S_FND_POST_LOCK_FAILED TYPE STANDARD TABLE OF CTE_S_FND_POST_LOCK_FAILED,
      WA_CTE_S_FND_POST_LOCK_FAILED TYPE CTE_S_FND_POST_LOCK_FAILED,
      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_S_FND_POST_LOCK_FAILED> TYPE CTE_S_FND_POST_LOCK_FAILED.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CTE_S_FND_POST_LOCK_FAILED
*  INTO TABLE @DATA(IT_CTE_S_FND_POST_LOCK_FAILED2).
*--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_S_FND_POST_LOCK_FAILED INDEX 1 INTO DATA(WA_CTE_S_FND_POST_LOCK_FAILED2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CTE_S_FND_POST_LOCK_FAILED-SYSTEM_FAILURE, sy-vline,
  WA_CTE_S_FND_POST_LOCK_FAILED-MSGTY, sy-vline,
  WA_CTE_S_FND_POST_LOCK_FAILED-MSGID, sy-vline,
  WA_CTE_S_FND_POST_LOCK_FAILED-MSGNO, sy-vline,
  WA_CTE_S_FND_POST_LOCK_FAILED-MSGV1, sy-vline,
  WA_CTE_S_FND_POST_LOCK_FAILED-MSGV2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CTE_S_FND_POST_LOCK_FAILED 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_S_FND_POST_LOCK_FAILED 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_S_FND_POST_LOCK_FAILED INTO WA_CTE_S_FND_POST_LOCK_FAILED.


*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_CTE_S_FND_POST_LOCK_FAILED_STR, 
SYSTEM_KEY TYPE STRING,
DOCUMENT_TYPE TYPE STRING,
DOCUMENT_ID TYPE STRING,
REVISION_ID TYPE STRING,
ALREADY_LOCKED TYPE STRING,
SYSTEM_FAILURE TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
MSGTEXT TYPE STRING,
XML_STRING TYPE STRING,
MESSAGE_CONTEXT TYPE STRING,
SYSTEM_KEY TYPE STRING,
RFC_CONNECTION TYPE STRING,
CONCUR_MESSAGE_CODE TYPE STRING,
DETLEVEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CTE_S_FND_POST_LOCK_FAILED_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_S_FND_POST_LOCK_FAILED_STR-SYSTEM_KEY sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-DOCUMENT_TYPE sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-DOCUMENT_ID sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-REVISION_ID sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-ALREADY_LOCKED sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-SYSTEM_FAILURE sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-MSGTY sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-MSGID sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-MSGNO sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-MSGV1 sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-MSGV2 sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-MSGV3 sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-MSGV4 sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-OTYPE sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-OBJID sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-MSGTEXT sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-XML_STRING sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-MESSAGE_CONTEXT sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-SYSTEM_KEY sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-RFC_CONNECTION sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-CONCUR_MESSAGE_CODE sy-vline 
WA_CTE_S_FND_POST_LOCK_FAILED_STR-DETLEVEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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