ABAP Select data from SAP table MAINTNOTIFCAUS_D into internal table

Get Example source ABAP code based on a different SAP table
  

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MAINTNOTIFCAUS_D
*  INTO TABLE @DATA(IT_MAINTNOTIFCAUS_D2).
*--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_MAINTNOTIFCAUS_D INDEX 1 INTO DATA(WA_MAINTNOTIFCAUS_D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MAINTNOTIFCAUS_D ASSIGNING <MAINTNOTIFCAUS_D>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<MAINTNOTIFCAUS_D>-MANDT = 1.
<MAINTNOTIFCAUS_D>-DRAFTUUID = 1.
<MAINTNOTIFCAUS_D>-PARENTDRAFTUUID = 1.
<MAINTNOTIFCAUS_D>-ROOTDRAFTUUID = 1.
<MAINTNOTIFCAUS_D>-MAINTENANCENOTIFICATIONCAUSE = 1.
ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MAINTNOTIFCAUS_D-MAINTENANCENOTIFICATIONITEM, sy-vline,
WA_MAINTNOTIFCAUS_D-MAINTENANCENOTIFICATION, sy-vline,
WA_MAINTNOTIFCAUS_D-MAINTNOTIFICATIONCAUSEFOREDIT, sy-vline,
WA_MAINTNOTIFCAUS_D-MAINTNOTIFCAUSETEXT, sy-vline,
WA_MAINTNOTIFCAUS_D-MAINTNOTIFICATIONCAUSECODE, sy-vline,
WA_MAINTNOTIFCAUS_D-MAINTNOTIFCAUSECODEGROUP, sy-vline.
ENDLOOP. *Add any further fields from structure WA_MAINTNOTIFCAUS_D 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_MAINTNOTIFCAUS_D 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_MAINTNOTIFCAUS_D INTO WA_MAINTNOTIFCAUS_D. *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 ALPHA, internal->external for field MAINTENANCENOTIFICATION CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_MAINTNOTIFCAUS_D-MAINTENANCENOTIFICATION IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MAINTNOTIFCAUS_D-MAINTENANCENOTIFICATION.
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_MAINTNOTIFCAUS_D_STR,
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
ROOTDRAFTUUID TYPE STRING,
MAINTENANCENOTIFICATIONCAUSE TYPE STRING,
MAINTENANCENOTIFICATIONITEM TYPE STRING,
MAINTENANCENOTIFICATION TYPE STRING,
MAINTNOTIFICATIONCAUSEFOREDIT TYPE STRING,
MAINTNOTIFCAUSETEXT TYPE STRING,
MAINTNOTIFICATIONCAUSECODE TYPE STRING,
MAINTNOTIFCAUSECODEGROUP TYPE STRING,
MAINTNOTIFCAUSECODECATALOG TYPE STRING,
ISDELETED TYPE STRING,
MAINTNOTIFCAUSESORTNUMBER TYPE STRING,
MAINTNOTIFICATIONROOTCAUSE TYPE STRING,
ISMAINTNOTIFICATIONROOTCAUSE TYPE STRING,
ISMAINTNOTIFITEMROOTCAUSE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR. DATA: WA_MAINTNOTIFCAUS_D_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_MAINTNOTIFCAUS_D_STR-MANDT sy-vline
WA_MAINTNOTIFCAUS_D_STR-DRAFTUUID sy-vline
WA_MAINTNOTIFCAUS_D_STR-PARENTDRAFTUUID sy-vline
WA_MAINTNOTIFCAUS_D_STR-ROOTDRAFTUUID sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTENANCENOTIFICATIONCAUSE sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTENANCENOTIFICATIONITEM sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTENANCENOTIFICATION sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTNOTIFICATIONCAUSEFOREDIT sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTNOTIFCAUSETEXT sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTNOTIFICATIONCAUSECODE sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTNOTIFCAUSECODEGROUP sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTNOTIFCAUSECODECATALOG sy-vline
WA_MAINTNOTIFCAUS_D_STR-ISDELETED sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTNOTIFCAUSESORTNUMBER sy-vline
WA_MAINTNOTIFCAUS_D_STR-MAINTNOTIFICATIONROOTCAUSE sy-vline
WA_MAINTNOTIFCAUS_D_STR-ISMAINTNOTIFICATIONROOTCAUSE sy-vline
WA_MAINTNOTIFCAUS_D_STR-ISMAINTNOTIFITEMROOTCAUSE sy-vline
WA_MAINTNOTIFCAUS_D_STR-HASACTIVEENTITY sy-vline
WA_MAINTNOTIFCAUS_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline
WA_MAINTNOTIFCAUS_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline
WA_MAINTNOTIFCAUS_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline
WA_MAINTNOTIFCAUS_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline
WA_MAINTNOTIFCAUS_D_STR-DRAFTENTITYOPERATIONCODE sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.