ABAP Select data from SAP table /UI2/PB_C_TMM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /UI2/PB_C_TMM 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 /UI2/PB_C_TMM. 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 /UI2/PB_C_TMM 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_/UI2/PB_C_TMM TYPE STANDARD TABLE OF /UI2/PB_C_TMM,
      WA_/UI2/PB_C_TMM TYPE /UI2/PB_C_TMM,
      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: </UI2/PB_C_TMM> TYPE /UI2/PB_C_TMM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/UI2/PB_C_TMM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /UI2/PB_C_TMM
  INTO TABLE IT_/UI2/PB_C_TMM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /UI2/PB_C_TMM
*  INTO TABLE @DATA(IT_/UI2/PB_C_TMM2).
*--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_/UI2/PB_C_TMM INDEX 1 INTO DATA(WA_/UI2/PB_C_TMM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/UI2/PB_C_TMM ASSIGNING </UI2/PB_C_TMM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</UI2/PB_C_TMM>-MANDT = 1.
</UI2/PB_C_TMM>-ID = 1.
</UI2/PB_C_TMM>-PARENTID = 1.
</UI2/PB_C_TMM>-DOMAINID = 1.
</UI2/PB_C_TMM>-REFERENCECHIPID = 1.

ENDLOOP.

LOOP AT IT_/UI2/PB_C_TMM INTO WA_/UI2/PB_C_TMM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/UI2/PB_C_TMM-URL, sy-vline,
  WA_/UI2/PB_C_TMM-SEM_OBJ, sy-vline,
  WA_/UI2/PB_C_TMM-SEM_ACT, sy-vline,
  WA_/UI2/PB_C_TMM-APP_TYPE, sy-vline,
  WA_/UI2/PB_C_TMM-WD_APPL_ID, sy-vline,
  WA_/UI2/PB_C_TMM-WD_CONF_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/UI2/PB_C_TMM 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_/UI2/PB_C_TMM 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_/UI2/PB_C_TMM INTO WA_/UI2/PB_C_TMM.


*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_/UI2/PB_C_TMM_STR, 
MANDT TYPE STRING,
ID TYPE STRING,
PARENTID TYPE STRING,
DOMAINID TYPE STRING,
REFERENCECHIPID TYPE STRING,
URL TYPE STRING,
SEM_OBJ TYPE STRING,
SEM_ACT TYPE STRING,
APP_TYPE TYPE STRING,
WD_APPL_ID TYPE STRING,
WD_CONF_ID TYPE STRING,
WD_COMPABILITY_MODE TYPE STRING,
UI5_COMPONENT_ID TYPE STRING,
TCODE TYPE STRING,
WCF_TARGET_ID TYPE STRING,
FORM_FACTOR_DESKTOP TYPE STRING,
FORM_FACTOR_TABLET TYPE STRING,
FORM_FACTOR_PHONE TYPE STRING,
PARAMETERS TYPE STRING,
ADD_PARAMS_ALLOWED TYPE STRING,
SYSTEM_ALIAS TYPE STRING,
INFORMATION TYPE STRING,
CONF_TEXT TYPE STRING,
REFERENCEPARENTID TYPE STRING,
SHORT_GUID TYPE STRING,
URLT_ID TYPE STRING,
URLT_PARAMETERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/UI2/PB_C_TMM_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_/UI2/PB_C_TMM_STR-MANDT sy-vline 
WA_/UI2/PB_C_TMM_STR-ID sy-vline 
WA_/UI2/PB_C_TMM_STR-PARENTID sy-vline 
WA_/UI2/PB_C_TMM_STR-DOMAINID sy-vline 
WA_/UI2/PB_C_TMM_STR-REFERENCECHIPID sy-vline 
WA_/UI2/PB_C_TMM_STR-URL sy-vline 
WA_/UI2/PB_C_TMM_STR-SEM_OBJ sy-vline 
WA_/UI2/PB_C_TMM_STR-SEM_ACT sy-vline 
WA_/UI2/PB_C_TMM_STR-APP_TYPE sy-vline 
WA_/UI2/PB_C_TMM_STR-WD_APPL_ID sy-vline 
WA_/UI2/PB_C_TMM_STR-WD_CONF_ID sy-vline 
WA_/UI2/PB_C_TMM_STR-WD_COMPABILITY_MODE sy-vline 
WA_/UI2/PB_C_TMM_STR-UI5_COMPONENT_ID sy-vline 
WA_/UI2/PB_C_TMM_STR-TCODE sy-vline 
WA_/UI2/PB_C_TMM_STR-WCF_TARGET_ID sy-vline 
WA_/UI2/PB_C_TMM_STR-FORM_FACTOR_DESKTOP sy-vline 
WA_/UI2/PB_C_TMM_STR-FORM_FACTOR_TABLET sy-vline 
WA_/UI2/PB_C_TMM_STR-FORM_FACTOR_PHONE sy-vline 
WA_/UI2/PB_C_TMM_STR-PARAMETERS sy-vline 
WA_/UI2/PB_C_TMM_STR-ADD_PARAMS_ALLOWED sy-vline 
WA_/UI2/PB_C_TMM_STR-SYSTEM_ALIAS sy-vline 
WA_/UI2/PB_C_TMM_STR-INFORMATION sy-vline 
WA_/UI2/PB_C_TMM_STR-CONF_TEXT sy-vline 
WA_/UI2/PB_C_TMM_STR-REFERENCEPARENTID sy-vline 
WA_/UI2/PB_C_TMM_STR-SHORT_GUID sy-vline 
WA_/UI2/PB_C_TMM_STR-URLT_ID sy-vline 
WA_/UI2/PB_C_TMM_STR-URLT_PARAMETERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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