ABAP Select data from SAP table COCF_S_SR_SIGN_LOG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COCF_S_SR_SIGN_LOG
*  INTO TABLE @DATA(IT_COCF_S_SR_SIGN_LOG2).
*--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_COCF_S_SR_SIGN_LOG INDEX 1 INTO DATA(WA_COCF_S_SR_SIGN_LOG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COCF_S_SR_SIGN_LOG>-SIGN_OBJECT = 1.
<COCF_S_SR_SIGN_LOG>-SIGNER = 1.
<COCF_S_SR_SIGN_LOG>-SIGN_REASON = 1.
<COCF_S_SR_SIGN_LOG>-SIGN_TSTAMP = 1.
<COCF_S_SR_SIGN_LOG>-METHOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COCF_S_SR_SIGN_LOG-SIGNSTRAT, sy-vline,
  WA_COCF_S_SR_SIGN_LOG-SIGNSTEP, sy-vline,
  WA_COCF_S_SR_SIGN_LOG-SIGNAUTH, sy-vline,
  WA_COCF_S_SR_SIGN_LOG-SIGN_STATE, sy-vline,
  WA_COCF_S_SR_SIGN_LOG-SR_ORIGIN, sy-vline,
  WA_COCF_S_SR_SIGN_LOG-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COCF_S_SR_SIGN_LOG 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_COCF_S_SR_SIGN_LOG 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_COCF_S_SR_SIGN_LOG INTO WA_COCF_S_SR_SIGN_LOG.


*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 TPLNR, internal->external for field FUNCT_LOC
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_COCF_S_SR_SIGN_LOG-FUNCT_LOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COCF_S_SR_SIGN_LOG-FUNCT_LOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUIPMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_COCF_S_SR_SIGN_LOG-EQUIPMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COCF_S_SR_SIGN_LOG-EQUIPMENT.
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_COCF_S_SR_SIGN_LOG_STR, 
SIGN_OBJECT TYPE STRING,
SIGNER TYPE STRING,
SIGN_REASON TYPE STRING,
SIGN_TSTAMP TYPE STRING,
METHOD TYPE STRING,
SIGNSTRAT TYPE STRING,
SIGNSTEP TYPE STRING,
SIGNAUTH TYPE STRING,
SIGN_STATE TYPE STRING,
SR_ORIGIN TYPE STRING,
PLANT TYPE STRING,
TYP TYPE STRING,
ARBHI TYPE STRING,
FUNCT_LOC TYPE STRING,
EQUIPMENT TYPE STRING,
COUNTER TYPE STRING,
START_DATE TYPE STRING,
START_TIME TYPE STRING,
END_DATE TYPE STRING,
END_TIME TYPE STRING,
STATUS TYPE STRING,
TIME_ZONE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COCF_S_SR_SIGN_LOG_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_COCF_S_SR_SIGN_LOG_STR-SIGN_OBJECT sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-SIGNER sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-SIGN_REASON sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-SIGN_TSTAMP sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-METHOD sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-SIGNSTRAT sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-SIGNSTEP sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-SIGNAUTH sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-SIGN_STATE sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-SR_ORIGIN sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-PLANT sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-TYP sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-ARBHI sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-FUNCT_LOC sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-EQUIPMENT sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-COUNTER sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-START_DATE sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-START_TIME sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-END_DATE sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-END_TIME sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-STATUS sy-vline 
WA_COCF_S_SR_SIGN_LOG_STR-TIME_ZONE sy-vline      INTO ld_text SEPARATED BY SPACE.

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