ABAP Select data from SAP table FAGL_YS_LOG_INFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_YS_LOG_INFO
*  INTO TABLE @DATA(IT_FAGL_YS_LOG_INFO2).
*--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_FAGL_YS_LOG_INFO INDEX 1 INTO DATA(WA_FAGL_YS_LOG_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGL_YS_LOG_INFO>-APPL = 1.
<FAGL_YS_LOG_INFO>-SUBAPPL = 1.
<FAGL_YS_LOG_INFO>-TCODE = 1.
<FAGL_YS_LOG_INFO>-SLSET = 1.
<FAGL_YS_LOG_INFO>-UNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_YS_LOG_INFO-TEST, sy-vline,
  WA_FAGL_YS_LOG_INFO-BATCH, sy-vline,
  WA_FAGL_YS_LOG_INFO-JOBNAME, sy-vline,
  WA_FAGL_YS_LOG_INFO-SEVERITY, sy-vline,
  WA_FAGL_YS_LOG_INFO-DOCNR, sy-vline,
  WA_FAGL_YS_LOG_INFO-SOURCE_TAB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_YS_LOG_INFO 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_FAGL_YS_LOG_INFO 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_FAGL_YS_LOG_INFO INTO WA_FAGL_YS_LOG_INFO.


*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 ALPHA, internal->external for field DOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_YS_LOG_INFO-DOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_YS_LOG_INFO-DOCNR.
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_FAGL_YS_LOG_INFO_STR, 
APPL TYPE STRING,
SUBAPPL TYPE STRING,
TCODE TYPE STRING,
SLSET TYPE STRING,
UNAME TYPE STRING,
TEST TYPE STRING,
BATCH TYPE STRING,
JOBNAME TYPE STRING,
SEVERITY TYPE STRING,
DOCNR TYPE STRING,
SOURCE_TAB TYPE STRING,
TARGET_TAB TYPE STRING,
NU_RECORDS_READ TYPE STRING,
NU_RECORDS_POST TYPE STRING,
START_DATE TYPE STRING,
START_TIME TYPE STRING,
END_DATE TYPE STRING,
END_TIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_YS_LOG_INFO_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_FAGL_YS_LOG_INFO_STR-APPL sy-vline 
WA_FAGL_YS_LOG_INFO_STR-SUBAPPL sy-vline 
WA_FAGL_YS_LOG_INFO_STR-TCODE sy-vline 
WA_FAGL_YS_LOG_INFO_STR-SLSET sy-vline 
WA_FAGL_YS_LOG_INFO_STR-UNAME sy-vline 
WA_FAGL_YS_LOG_INFO_STR-TEST sy-vline 
WA_FAGL_YS_LOG_INFO_STR-BATCH sy-vline 
WA_FAGL_YS_LOG_INFO_STR-JOBNAME sy-vline 
WA_FAGL_YS_LOG_INFO_STR-SEVERITY sy-vline 
WA_FAGL_YS_LOG_INFO_STR-DOCNR sy-vline 
WA_FAGL_YS_LOG_INFO_STR-SOURCE_TAB sy-vline 
WA_FAGL_YS_LOG_INFO_STR-TARGET_TAB sy-vline 
WA_FAGL_YS_LOG_INFO_STR-NU_RECORDS_READ sy-vline 
WA_FAGL_YS_LOG_INFO_STR-NU_RECORDS_POST sy-vline 
WA_FAGL_YS_LOG_INFO_STR-START_DATE sy-vline 
WA_FAGL_YS_LOG_INFO_STR-START_TIME sy-vline 
WA_FAGL_YS_LOG_INFO_STR-END_DATE sy-vline 
WA_FAGL_YS_LOG_INFO_STR-END_TIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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