ABAP Select data from SAP table ISLGLCNTNTMTEMPLATETP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISLGLCNTNTMTEMPLATETP
*  INTO TABLE @DATA(IT_ISLGLCNTNTMTEMPLATETP2).
*--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_ISLGLCNTNTMTEMPLATETP INDEX 1 INTO DATA(WA_ISLGLCNTNTMTEMPLATETP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISLGLCNTNTMTEMPLATETP>-KEY = 1.
<ISLGLCNTNTMTEMPLATETP>-PARENT_KEY = 1.
<ISLGLCNTNTMTEMPLATETP>-ROOT_KEY = 1.
<ISLGLCNTNTMTEMPLATETP>-LGLCNTNTMTMPLEXTUUID = 1.
<ISLGLCNTNTMTEMPLATETP>-LGLCNTNTMTMPLEXTVERSUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISLGLCNTNTMTEMPLATETP-LGLCNTNTMTMPLEXTREVISIONUUID, sy-vline,
  WA_ISLGLCNTNTMTEMPLATETP-LGLCNTNTMTMPLID, sy-vline,
  WA_ISLGLCNTNTMTEMPLATETP-LGLCNTNTMTMPLVERS, sy-vline,
  WA_ISLGLCNTNTMTEMPLATETP-LGLCNTNTMTMPLEXTREVISIONID, sy-vline,
  WA_ISLGLCNTNTMTEMPLATETP-LGLCNTNTMTMPLNAME, sy-vline,
  WA_ISLGLCNTNTMTEMPLATETP-LGLCNTNTMTMPLVALDFRM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISLGLCNTNTMTEMPLATETP 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_ISLGLCNTNTMTEMPLATETP 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_ISLGLCNTNTMTEMPLATETP INTO WA_ISLGLCNTNTMTEMPLATETP.


*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 ISOLA, internal->external for field LGLCNTNTMTMPLLANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISLGLCNTNTMTEMPLATETP-LGLCNTNTMTMPLLANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISLGLCNTNTMTEMPLATETP-LGLCNTNTMTMPLLANG.
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_ISLGLCNTNTMTEMPLATETP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
LGLCNTNTMTMPLEXTUUID TYPE STRING,
LGLCNTNTMTMPLEXTVERSUUID TYPE STRING,
LGLCNTNTMTMPLEXTREVISIONUUID TYPE STRING,
LGLCNTNTMTMPLID TYPE STRING,
LGLCNTNTMTMPLVERS TYPE STRING,
LGLCNTNTMTMPLEXTREVISIONID TYPE STRING,
LGLCNTNTMTMPLNAME TYPE STRING,
LGLCNTNTMTMPLVALDFRM TYPE STRING,
LGLCNTNTMTMPLVALDTO TYPE STRING,
LGLCNTNTMTMPLSTSKEY TYPE STRING,
LGLCNTNTMTMPLCNTNTTYPE TYPE STRING,
LGLCNTNTMTMPLLANG TYPE STRING,
LGLCNTNTMTMPLOWNR TYPE STRING,
LGLCNTNTMTMPLOWNREML TYPE STRING,
LGLCNTNTMCREATEDBYUSER TYPE STRING,
LGLCNTNTMCREATEDUTCDATETIME TYPE STRING,
LGLCNTNTMCHANGEDBYUSER TYPE STRING,
LGLCNTNTMCHANGEDUTCDATETIME TYPE STRING,
LGLCNTNTMCREATEDBYUSER2 TYPE STRING,
LGLCNTNTMTMPLIDEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISLGLCNTNTMTEMPLATETP_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_ISLGLCNTNTMTEMPLATETP_STR-KEY sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-PARENT_KEY sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-ROOT_KEY sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLEXTUUID sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLEXTVERSUUID sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLEXTREVISIONUUID sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLID sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLVERS sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLEXTREVISIONID sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLNAME sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLVALDFRM sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLVALDTO sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLSTSKEY sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLCNTNTTYPE sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLLANG sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLOWNR sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLOWNREML sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMCREATEDBYUSER sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMCREATEDUTCDATETIME sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMCHANGEDBYUSER sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMCHANGEDUTCDATETIME sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMCREATEDBYUSER2 sy-vline 
WA_ISLGLCNTNTMTEMPLATETP_STR-LGLCNTNTMTMPLIDEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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