ABAP Select data from SAP table M_TICL161_PM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP M_TICL161_PM 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 M_TICL161_PM. 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 M_TICL161_PM 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_M_TICL161_PM TYPE STANDARD TABLE OF M_TICL161_PM,
      WA_M_TICL161_PM TYPE M_TICL161_PM,
      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: <M_TICL161_PM> TYPE M_TICL161_PM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_M_TICL161_PM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM M_TICL161_PM
  INTO TABLE IT_M_TICL161_PM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM M_TICL161_PM
*  INTO TABLE @DATA(IT_M_TICL161_PM2).
*--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_M_TICL161_PM INDEX 1 INTO DATA(WA_M_TICL161_PM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_M_TICL161_PM ASSIGNING <M_TICL161_PM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<M_TICL161_PM>-CLIENT = 1.
<M_TICL161_PM>-BENTREE = 1.
<M_TICL161_PM>-GENERATION = 1.
<M_TICL161_PM>-VERSION = 1.
<M_TICL161_PM>-VERSION_DESCR = 1.

ENDLOOP.

LOOP AT IT_M_TICL161_PM INTO WA_M_TICL161_PM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_M_TICL161_PM-ACTIVE, sy-vline,
  WA_M_TICL161_PM-EFFFROMTIME, sy-vline,
  WA_M_TICL161_PM-EFFTOTIME, sy-vline,
  WA_M_TICL161_PM-AWAITPERREJR, sy-vline,
  WA_M_TICL161_PM-BWAITPERREJR, sy-vline,
  WA_M_TICL161_PM-AWAITPER_DESCR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_M_TICL161_PM 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_M_TICL161_PM 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_M_TICL161_PM INTO WA_M_TICL161_PM.


*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 TSTAM, internal->external for field EFFFROMTIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_M_TICL161_PM-EFFFROMTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_M_TICL161_PM-EFFFROMTIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field EFFTOTIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_M_TICL161_PM-EFFTOTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_M_TICL161_PM-EFFTOTIME.
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_M_TICL161_PM_STR, 
CLIENT TYPE STRING,
BENTREE TYPE STRING,
GENERATION TYPE STRING,
VERSION TYPE STRING,
VERSION_DESCR TYPE STRING,
ACTIVE TYPE STRING,
EFFFROMTIME TYPE STRING,
EFFTOTIME TYPE STRING,
AWAITPERREJR TYPE STRING,
BWAITPERREJR TYPE STRING,
AWAITPER_DESCR TYPE STRING,
BWAITPER_DESCR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_M_TICL161_PM_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_M_TICL161_PM_STR-CLIENT sy-vline 
WA_M_TICL161_PM_STR-BENTREE sy-vline 
WA_M_TICL161_PM_STR-GENERATION sy-vline 
WA_M_TICL161_PM_STR-VERSION sy-vline 
WA_M_TICL161_PM_STR-VERSION_DESCR sy-vline 
WA_M_TICL161_PM_STR-ACTIVE sy-vline 
WA_M_TICL161_PM_STR-EFFFROMTIME sy-vline 
WA_M_TICL161_PM_STR-EFFTOTIME sy-vline 
WA_M_TICL161_PM_STR-AWAITPERREJR sy-vline 
WA_M_TICL161_PM_STR-BWAITPERREJR sy-vline 
WA_M_TICL161_PM_STR-AWAITPER_DESCR sy-vline 
WA_M_TICL161_PM_STR-BWAITPER_DESCR sy-vline      INTO ld_text SEPARATED BY SPACE.

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