ABAP Select data from SAP table P05EIR_DISP_SI_TESTLOG_CONTEXT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P05EIR_DISP_SI_TESTLOG_CONTEXT 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 P05EIR_DISP_SI_TESTLOG_CONTEXT. 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 P05EIR_DISP_SI_TESTLOG_CONTEXT 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_P05EIR_DISP_SI_TESTLOG_CONTEXT TYPE STANDARD TABLE OF P05EIR_DISP_SI_TESTLOG_CONTEXT,
      WA_P05EIR_DISP_SI_TESTLOG_CONTEXT TYPE P05EIR_DISP_SI_TESTLOG_CONTEXT,
      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: <P05EIR_DISP_SI_TESTLOG_CONTEXT> TYPE P05EIR_DISP_SI_TESTLOG_CONTEXT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P05EIR_DISP_SI_TESTLOG_CONTEXT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P05EIR_DISP_SI_TESTLOG_CONTEXT
  INTO TABLE IT_P05EIR_DISP_SI_TESTLOG_CONTEXT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P05EIR_DISP_SI_TESTLOG_CONTEXT
*  INTO TABLE @DATA(IT_P05EIR_DISP_SI_TESTLOG_CONTEXT2).
*--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_P05EIR_DISP_SI_TESTLOG_CONTEXT INDEX 1 INTO DATA(WA_P05EIR_DISP_SI_TESTLOG_CONTEXT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P05EIR_DISP_SI_TESTLOG_CONTEXT ASSIGNING <P05EIR_DISP_SI_TESTLOG_CONTEXT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P05EIR_DISP_SI_TESTLOG_CONTEXT>-PERNRLOG = 1.
<P05EIR_DISP_SI_TESTLOG_CONTEXT>-ENAMELOG = 1.
<P05EIR_DISP_SI_TESTLOG_CONTEXT>-FYEARLOG = 1.
<P05EIR_DISP_SI_TESTLOG_CONTEXT>-MSGNOLOG = 1.
<P05EIR_DISP_SI_TESTLOG_CONTEXT>-MTYPELOG = 1.

ENDLOOP.

LOOP AT IT_P05EIR_DISP_SI_TESTLOG_CONTEXT INTO WA_P05EIR_DISP_SI_TESTLOG_CONTEXT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P05EIR_DISP_SI_TESTLOG_CONTEXT-MTPTXLOG, sy-vline,
  WA_P05EIR_DISP_SI_TESTLOG_CONTEXT-ITBEGLOG, sy-vline,
  WA_P05EIR_DISP_SI_TESTLOG_CONTEXT-ITENDLOG, sy-vline,
  WA_P05EIR_DISP_SI_TESTLOG_CONTEXT-INSTALOG, sy-vline,
  WA_P05EIR_DISP_SI_TESTLOG_CONTEXT-INSTXLOG, sy-vline,
  WA_P05EIR_DISP_SI_TESTLOG_CONTEXT-WERKSLOG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P05EIR_DISP_SI_TESTLOG_CONTEXT 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_P05EIR_DISP_SI_TESTLOG_CONTEXT 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_P05EIR_DISP_SI_TESTLOG_CONTEXT INTO WA_P05EIR_DISP_SI_TESTLOG_CONTEXT.


*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 GJAHR, internal->external for field FYEARLOG
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_P05EIR_DISP_SI_TESTLOG_CONTEXT-FYEARLOG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P05EIR_DISP_SI_TESTLOG_CONTEXT-FYEARLOG.
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_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR, 
PERNRLOG TYPE STRING,
ENAMELOG TYPE STRING,
FYEARLOG TYPE STRING,
MSGNOLOG TYPE STRING,
MTYPELOG TYPE STRING,
MTPTXLOG TYPE STRING,
ITBEGLOG TYPE STRING,
ITENDLOG TYPE STRING,
INSTALOG TYPE STRING,
INSTXLOG TYPE STRING,
WERKSLOG TYPE STRING,
PBTXTLOG TYPE STRING,
CHDATLOG TYPE STRING,
CHTIMLOG TYPE STRING,
UNAMELOG TYPE STRING,
STATUSLOG TYPE STRING,
STATXTLOG TYPE STRING,
NEW_STATUSLOG TYPE STRING,
NEW_STATXTLOG TYPE STRING,
PERSGLOG TYPE STRING,
PERSKLOG TYPE STRING,
VDSK1LOG TYPE STRING,
XGUIDLOG TYPE STRING,
PI_KENMERKLOG TYPE STRING,
FAULT_CODELOG TYPE STRING,
FAULT_DESCRIPTIONLOG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_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_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-PERNRLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-ENAMELOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-FYEARLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-MSGNOLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-MTYPELOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-MTPTXLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-ITBEGLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-ITENDLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-INSTALOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-INSTXLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-WERKSLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-PBTXTLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-CHDATLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-CHTIMLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-UNAMELOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-STATUSLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-STATXTLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-NEW_STATUSLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-NEW_STATXTLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-PERSGLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-PERSKLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-VDSK1LOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-XGUIDLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-PI_KENMERKLOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-FAULT_CODELOG sy-vline 
WA_P05EIR_DISP_SI_TESTLOG_CONTEXT_STR-FAULT_DESCRIPTIONLOG sy-vline      INTO ld_text SEPARATED BY SPACE.

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