ABAP Select data from SAP table M_TICL057 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP M_TICL057 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_TICL057. 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_TICL057 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_TICL057 TYPE STANDARD TABLE OF M_TICL057,
      WA_M_TICL057 TYPE M_TICL057,
      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_TICL057> TYPE M_TICL057.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_M_TICL057.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM M_TICL057
  INTO TABLE IT_M_TICL057.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM M_TICL057
*  INTO TABLE @DATA(IT_M_TICL0572).
*--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_TICL057 INDEX 1 INTO DATA(WA_M_TICL0572).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_M_TICL057 ASSIGNING <M_TICL057>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<M_TICL057>-CLIENT = 1.
<M_TICL057>-CLTYPE = 1.
<M_TICL057>-GENERAT = 1.
<M_TICL057>-VERSION = 1.
<M_TICL057>-SUBCLTYPE = 1.

ENDLOOP.

LOOP AT IT_M_TICL057 INTO WA_M_TICL057.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_M_TICL057-BENTYPE, sy-vline,
  WA_M_TICL057-COUNTRY, sy-vline,
  WA_M_TICL057-REGION, sy-vline,
  WA_M_TICL057-CLTYPEN, sy-vline,
  WA_M_TICL057-CLTYPEGN, sy-vline,
  WA_M_TICL057-CLTYPEVN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_M_TICL057 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_TICL057 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_TICL057 INTO WA_M_TICL057.


*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_M_TICL057_STR, 
CLIENT TYPE STRING,
CLTYPE TYPE STRING,
GENERAT TYPE STRING,
VERSION TYPE STRING,
SUBCLTYPE TYPE STRING,
BENTYPE TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
CLTYPEN TYPE STRING,
CLTYPEGN TYPE STRING,
CLTYPEVN TYPE STRING,
SUBCLTYPEN TYPE STRING,
BENTYPEN TYPE STRING,
LANDX TYPE STRING,
BEZEI TYPE STRING,
TREASONSET TYPE STRING,
TREASONSETN TYPE STRING,
TREASON TYPE STRING,
TREASONN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_M_TICL057_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_TICL057_STR-CLIENT sy-vline 
WA_M_TICL057_STR-CLTYPE sy-vline 
WA_M_TICL057_STR-GENERAT sy-vline 
WA_M_TICL057_STR-VERSION sy-vline 
WA_M_TICL057_STR-SUBCLTYPE sy-vline 
WA_M_TICL057_STR-BENTYPE sy-vline 
WA_M_TICL057_STR-COUNTRY sy-vline 
WA_M_TICL057_STR-REGION sy-vline 
WA_M_TICL057_STR-CLTYPEN sy-vline 
WA_M_TICL057_STR-CLTYPEGN sy-vline 
WA_M_TICL057_STR-CLTYPEVN sy-vline 
WA_M_TICL057_STR-SUBCLTYPEN sy-vline 
WA_M_TICL057_STR-BENTYPEN sy-vline 
WA_M_TICL057_STR-LANDX sy-vline 
WA_M_TICL057_STR-BEZEI sy-vline 
WA_M_TICL057_STR-TREASONSET sy-vline 
WA_M_TICL057_STR-TREASONSETN sy-vline 
WA_M_TICL057_STR-TREASON sy-vline 
WA_M_TICL057_STR-TREASONN sy-vline      INTO ld_text SEPARATED BY SPACE.

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