ABAP Select data from SAP table ALTIDGDA into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ALTIDGDA 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 ALTIDGDA. 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 ALTIDGDA 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_ALTIDGDA TYPE STANDARD TABLE OF ALTIDGDA,
      WA_ALTIDGDA TYPE ALTIDGDA,
      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: <ALTIDGDA> TYPE ALTIDGDA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALTIDGDA
*  INTO TABLE @DATA(IT_ALTIDGDA2).
*--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_ALTIDGDA INDEX 1 INTO DATA(WA_ALTIDGDA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALTIDGDA>-GEN_INFO = 1.
<ALTIDGDA>-MTSYSID = 1.
<ALTIDGDA>-MTMCNAME = 1.
<ALTIDGDA>-MTNUMRANGE = 1.
<ALTIDGDA>-MTUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALTIDGDA-MTCLASS, sy-vline,
  WA_ALTIDGDA-MTINDEX, sy-vline,
  WA_ALTIDGDA-EXTINDEX, sy-vline,
  WA_ALTIDGDA-SHORTNAME, sy-vline,
  WA_ALTIDGDA-MTECLASS, sy-vline,
  WA_ALTIDGDA-OBJECTNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALTIDGDA 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_ALTIDGDA 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_ALTIDGDA INTO WA_ALTIDGDA.


*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_ALTIDGDA_STR, 
GEN_INFO TYPE STRING,
MTSYSID TYPE STRING,
MTMCNAME TYPE STRING,
MTNUMRANGE TYPE STRING,
MTUID TYPE STRING,
MTCLASS TYPE STRING,
MTINDEX TYPE STRING,
EXTINDEX TYPE STRING,
SHORTNAME TYPE STRING,
MTECLASS TYPE STRING,
OBJECTNAME TYPE STRING,
MTESTATUS TYPE STRING,
MTESUBTYPE TYPE STRING,
GEN_CUS TYPE STRING,
MTSYSID TYPE STRING,
MTMCNAME TYPE STRING,
MTNUMRANGE TYPE STRING,
MTUID TYPE STRING,
MTCLASS TYPE STRING,
MTINDEX TYPE STRING,
EXTINDEX TYPE STRING,
CUSTSTATUS TYPE STRING,
CLASORSPEC TYPE STRING,
SEVERITY TYPE STRING,
VISILEVEL TYPE STRING,
KEEPALTYPE TYPE STRING,
KEEPALMAX TYPE STRING,
SECTILCOLT TYPE STRING,
SECTILINAC TYPE STRING,
SECWARMUPT TYPE STRING,
DTEXTCLASS TYPE STRING,
DTEXTID TYPE STRING,
GEN_VAL TYPE STRING,
MTSYSID TYPE STRING,
MTMCNAME TYPE STRING,
MTNUMRANGE TYPE STRING,
MTUID TYPE STRING,
MTCLASS TYPE STRING,
MTINDEX TYPE STRING,
EXTINDEX TYPE STRING,
DELIVERSTA TYPE STRING,
HIGHALVAL TYPE STRING,
HIGHALSEV TYPE STRING,
ALSYSID TYPE STRING,
MSEGNAME TYPE STRING,
ALUNIQNUM TYPE STRING,
ALINDEX TYPE STRING,
ALERTDATE TYPE STRING,
ALERTTIME TYPE STRING,
DUMMYALIGN TYPE STRING,
LASTVALDAT TYPE STRING,
LASTVALTIM TYPE STRING,
LASTVALDUM TYPE STRING,
ACTUALVAL TYPE STRING,
ACTUALSEV TYPE STRING,
VALSYSID TYPE STRING,
VMSEGNAME TYPE STRING,
VALUNIQNUM TYPE STRING,
VALINDEX TYPE STRING,
VALERTDATE TYPE STRING,
VALERTTIME TYPE STRING,
VALERTDUM TYPE STRING,
COUNTOFACT TYPE STRING,
COUNTSUM TYPE STRING,
COL_TO_DEF TYPE STRING,
TOOLNAME TYPE STRING,
TOOLDISPAT TYPE STRING,
TOOLDEFSTA TYPE STRING,
CLASSORSPC TYPE STRING,
ASSBYPAR TYPE STRING,
ONA_TO_DEF TYPE STRING,
TOOLNAME TYPE STRING,
TOOLDISPAT TYPE STRING,
TOOLDEFSTA TYPE STRING,
CLASSORSPC TYPE STRING,
ASSBYPAR TYPE STRING,
ANA_TO_DEF TYPE STRING,
TOOLNAME TYPE STRING,
TOOLDISPAT TYPE STRING,
TOOLDEFSTA TYPE STRING,
CLASSORSPC TYPE STRING,
ASSBYPAR TYPE STRING,
COL_TO_RUN TYPE STRING,
TOOLNAME TYPE STRING,
TOOLRUNSTA TYPE STRING,
TOOLRUNDAT TYPE STRING,
TOOLRUNTIM TYPE STRING,
TOOLRUNDSP TYPE STRING,
ONA_TO_RUN TYPE STRING,
TOOLNAME TYPE STRING,
TOOLRUNSTA TYPE STRING,
TOOLRUNDAT TYPE STRING,
TOOLRUNTIM TYPE STRING,
TOOLRUNDSP TYPE STRING,
PAR_INFO TYPE STRING,
MTSYSID TYPE STRING,
MTMCNAME TYPE STRING,
MTNUMRANGE TYPE STRING,
MTUID TYPE STRING,
MTCLASS TYPE STRING,
MTINDEX TYPE STRING,
EXTINDEX TYPE STRING,
PARENTNAME TYPE STRING,
PARENTCLAS TYPE STRING,
XMI_MSG TYPE STRING,
MSGCLASS TYPE STRING,
MSGID TYPE STRING,
MSGARG1 TYPE STRING,
ARGTYPE1 TYPE STRING,
MSGARG2 TYPE STRING,
ARGTYPE2 TYPE STRING,
MSGARG3 TYPE STRING,
ARGTYPE3 TYPE STRING,
MSGARG4 TYPE STRING,
ARGTYPE4 TYPE STRING,
MSGTEXT TYPE STRING,
MSG TYPE STRING,
ALERTS TYPE STRING,
RC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALTIDGDA_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_ALTIDGDA_STR-GEN_INFO sy-vline 
WA_ALTIDGDA_STR-MTSYSID sy-vline 
WA_ALTIDGDA_STR-MTMCNAME sy-vline 
WA_ALTIDGDA_STR-MTNUMRANGE sy-vline 
WA_ALTIDGDA_STR-MTUID sy-vline 
WA_ALTIDGDA_STR-MTCLASS sy-vline 
WA_ALTIDGDA_STR-MTINDEX sy-vline 
WA_ALTIDGDA_STR-EXTINDEX sy-vline 
WA_ALTIDGDA_STR-SHORTNAME sy-vline 
WA_ALTIDGDA_STR-MTECLASS sy-vline 
WA_ALTIDGDA_STR-OBJECTNAME sy-vline 
WA_ALTIDGDA_STR-MTESTATUS sy-vline 
WA_ALTIDGDA_STR-MTESUBTYPE sy-vline 
WA_ALTIDGDA_STR-GEN_CUS sy-vline 
WA_ALTIDGDA_STR-MTSYSID sy-vline 
WA_ALTIDGDA_STR-MTMCNAME sy-vline 
WA_ALTIDGDA_STR-MTNUMRANGE sy-vline 
WA_ALTIDGDA_STR-MTUID sy-vline 
WA_ALTIDGDA_STR-MTCLASS sy-vline 
WA_ALTIDGDA_STR-MTINDEX sy-vline 
WA_ALTIDGDA_STR-EXTINDEX sy-vline 
WA_ALTIDGDA_STR-CUSTSTATUS sy-vline 
WA_ALTIDGDA_STR-CLASORSPEC sy-vline 
WA_ALTIDGDA_STR-SEVERITY sy-vline 
WA_ALTIDGDA_STR-VISILEVEL sy-vline 
WA_ALTIDGDA_STR-KEEPALTYPE sy-vline 
WA_ALTIDGDA_STR-KEEPALMAX sy-vline 
WA_ALTIDGDA_STR-SECTILCOLT sy-vline 
WA_ALTIDGDA_STR-SECTILINAC sy-vline 
WA_ALTIDGDA_STR-SECWARMUPT sy-vline 
WA_ALTIDGDA_STR-DTEXTCLASS sy-vline 
WA_ALTIDGDA_STR-DTEXTID sy-vline 
WA_ALTIDGDA_STR-GEN_VAL sy-vline 
WA_ALTIDGDA_STR-MTSYSID sy-vline 
WA_ALTIDGDA_STR-MTMCNAME sy-vline 
WA_ALTIDGDA_STR-MTNUMRANGE sy-vline 
WA_ALTIDGDA_STR-MTUID sy-vline 
WA_ALTIDGDA_STR-MTCLASS sy-vline 
WA_ALTIDGDA_STR-MTINDEX sy-vline 
WA_ALTIDGDA_STR-EXTINDEX sy-vline 
WA_ALTIDGDA_STR-DELIVERSTA sy-vline 
WA_ALTIDGDA_STR-HIGHALVAL sy-vline 
WA_ALTIDGDA_STR-HIGHALSEV sy-vline 
WA_ALTIDGDA_STR-ALSYSID sy-vline 
WA_ALTIDGDA_STR-MSEGNAME sy-vline 
WA_ALTIDGDA_STR-ALUNIQNUM sy-vline 
WA_ALTIDGDA_STR-ALINDEX sy-vline 
WA_ALTIDGDA_STR-ALERTDATE sy-vline 
WA_ALTIDGDA_STR-ALERTTIME sy-vline 
WA_ALTIDGDA_STR-DUMMYALIGN sy-vline 
WA_ALTIDGDA_STR-LASTVALDAT sy-vline 
WA_ALTIDGDA_STR-LASTVALTIM sy-vline 
WA_ALTIDGDA_STR-LASTVALDUM sy-vline 
WA_ALTIDGDA_STR-ACTUALVAL sy-vline 
WA_ALTIDGDA_STR-ACTUALSEV sy-vline 
WA_ALTIDGDA_STR-VALSYSID sy-vline 
WA_ALTIDGDA_STR-VMSEGNAME sy-vline 
WA_ALTIDGDA_STR-VALUNIQNUM sy-vline 
WA_ALTIDGDA_STR-VALINDEX sy-vline 
WA_ALTIDGDA_STR-VALERTDATE sy-vline 
WA_ALTIDGDA_STR-VALERTTIME sy-vline 
WA_ALTIDGDA_STR-VALERTDUM sy-vline 
WA_ALTIDGDA_STR-COUNTOFACT sy-vline 
WA_ALTIDGDA_STR-COUNTSUM sy-vline 
WA_ALTIDGDA_STR-COL_TO_DEF sy-vline 
WA_ALTIDGDA_STR-TOOLNAME sy-vline 
WA_ALTIDGDA_STR-TOOLDISPAT sy-vline 
WA_ALTIDGDA_STR-TOOLDEFSTA sy-vline 
WA_ALTIDGDA_STR-CLASSORSPC sy-vline 
WA_ALTIDGDA_STR-ASSBYPAR sy-vline 
WA_ALTIDGDA_STR-ONA_TO_DEF sy-vline 
WA_ALTIDGDA_STR-TOOLNAME sy-vline 
WA_ALTIDGDA_STR-TOOLDISPAT sy-vline 
WA_ALTIDGDA_STR-TOOLDEFSTA sy-vline 
WA_ALTIDGDA_STR-CLASSORSPC sy-vline 
WA_ALTIDGDA_STR-ASSBYPAR sy-vline 
WA_ALTIDGDA_STR-ANA_TO_DEF sy-vline 
WA_ALTIDGDA_STR-TOOLNAME sy-vline 
WA_ALTIDGDA_STR-TOOLDISPAT sy-vline 
WA_ALTIDGDA_STR-TOOLDEFSTA sy-vline 
WA_ALTIDGDA_STR-CLASSORSPC sy-vline 
WA_ALTIDGDA_STR-ASSBYPAR sy-vline 
WA_ALTIDGDA_STR-COL_TO_RUN sy-vline 
WA_ALTIDGDA_STR-TOOLNAME sy-vline 
WA_ALTIDGDA_STR-TOOLRUNSTA sy-vline 
WA_ALTIDGDA_STR-TOOLRUNDAT sy-vline 
WA_ALTIDGDA_STR-TOOLRUNTIM sy-vline 
WA_ALTIDGDA_STR-TOOLRUNDSP sy-vline 
WA_ALTIDGDA_STR-ONA_TO_RUN sy-vline 
WA_ALTIDGDA_STR-TOOLNAME sy-vline 
WA_ALTIDGDA_STR-TOOLRUNSTA sy-vline 
WA_ALTIDGDA_STR-TOOLRUNDAT sy-vline 
WA_ALTIDGDA_STR-TOOLRUNTIM sy-vline 
WA_ALTIDGDA_STR-TOOLRUNDSP sy-vline 
WA_ALTIDGDA_STR-PAR_INFO sy-vline 
WA_ALTIDGDA_STR-MTSYSID sy-vline 
WA_ALTIDGDA_STR-MTMCNAME sy-vline 
WA_ALTIDGDA_STR-MTNUMRANGE sy-vline 
WA_ALTIDGDA_STR-MTUID sy-vline 
WA_ALTIDGDA_STR-MTCLASS sy-vline 
WA_ALTIDGDA_STR-MTINDEX sy-vline 
WA_ALTIDGDA_STR-EXTINDEX sy-vline 
WA_ALTIDGDA_STR-PARENTNAME sy-vline 
WA_ALTIDGDA_STR-PARENTCLAS sy-vline 
WA_ALTIDGDA_STR-XMI_MSG sy-vline 
WA_ALTIDGDA_STR-MSGCLASS sy-vline 
WA_ALTIDGDA_STR-MSGID sy-vline 
WA_ALTIDGDA_STR-MSGARG1 sy-vline 
WA_ALTIDGDA_STR-ARGTYPE1 sy-vline 
WA_ALTIDGDA_STR-MSGARG2 sy-vline 
WA_ALTIDGDA_STR-ARGTYPE2 sy-vline 
WA_ALTIDGDA_STR-MSGARG3 sy-vline 
WA_ALTIDGDA_STR-ARGTYPE3 sy-vline 
WA_ALTIDGDA_STR-MSGARG4 sy-vline 
WA_ALTIDGDA_STR-ARGTYPE4 sy-vline 
WA_ALTIDGDA_STR-MSGTEXT sy-vline 
WA_ALTIDGDA_STR-MSG sy-vline 
WA_ALTIDGDA_STR-ALERTS sy-vline 
WA_ALTIDGDA_STR-RC sy-vline      INTO ld_text SEPARATED BY SPACE.

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