ABAP Select data from SAP table /SAPAPO/MM_SAGR_ALERTSTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/MM_SAGR_ALERTSTR
*  INTO TABLE @DATA(IT_/SAPAPO/MM_SAGR_ALERTSTR2).
*--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_/SAPAPO/MM_SAGR_ALERTSTR INDEX 1 INTO DATA(WA_/SAPAPO/MM_SAGR_ALERTSTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/MM_SAGR_ALERTSTR>-AOT = 1.
</SAPAPO/MM_SAGR_ALERTSTR>-AT_ID = 1.
</SAPAPO/MM_SAGR_ALERTSTR>-STATUS_ICON = 1.
</SAPAPO/MM_SAGR_ALERTSTR>-PRIORITY = 1.
</SAPAPO/MM_SAGR_ALERTSTR>-PRIOICON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/MM_SAGR_ALERTSTR-COLCODE, sy-vline,
  WA_/SAPAPO/MM_SAGR_ALERTSTR-DESCRIPTION, sy-vline,
  WA_/SAPAPO/MM_SAGR_ALERTSTR-KEY_FIG, sy-vline,
  WA_/SAPAPO/MM_SAGR_ALERTSTR-AID_INT, sy-vline,
  WA_/SAPAPO/MM_SAGR_ALERTSTR-AID, sy-vline,
  WA_/SAPAPO/MM_SAGR_ALERTSTR-VFROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/MM_SAGR_ALERTSTR 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_/SAPAPO/MM_SAGR_ALERTSTR 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_/SAPAPO/MM_SAGR_ALERTSTR INTO WA_/SAPAPO/MM_SAGR_ALERTSTR.


*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 TSTPS, internal->external for field VFROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MM_SAGR_ALERTSTR-VFROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MM_SAGR_ALERTSTR-VFROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field VTO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MM_SAGR_ALERTSTR-VTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MM_SAGR_ALERTSTR-VTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit VRSIO, internal->external for field PLVER
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MM_SAGR_ALERTSTR-PLVER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MM_SAGR_ALERTSTR-PLVER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MM_SAGR_ALERTSTR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MM_SAGR_ALERTSTR-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MM_SAGR_ALERTSTR-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MM_SAGR_ALERTSTR-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field LASTDATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MM_SAGR_ALERTSTR-LASTDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MM_SAGR_ALERTSTR-LASTDATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field ACTDATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MM_SAGR_ALERTSTR-ACTDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MM_SAGR_ALERTSTR-ACTDATE.
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_/SAPAPO/MM_SAGR_ALERTSTR_STR, 
AOT TYPE STRING,
AT_ID TYPE STRING,
STATUS_ICON TYPE STRING,
PRIORITY TYPE STRING,
PRIOICON TYPE STRING,
COLCODE TYPE STRING,
DESCRIPTION TYPE STRING,
KEY_FIG TYPE STRING,
AID_INT TYPE STRING,
AID TYPE STRING,
VFROM TYPE STRING,
VTO TYPE STRING,
UNAME_FROM TYPE STRING,
SEC_ATTR TYPE STRING,
AL_NOTE_ID TYPE STRING,
AL_PROCLEV_ID TYPE STRING,
AL_PROCLEV_TEXT TYPE STRING,
AL_PROCESSOR TYPE STRING,
AL_STATUS_ID TYPE STRING,
AL_HIDDEN TYPE STRING,
PLVER TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
PEGID TYPE STRING,
BZQID TYPE STRING,
MATID TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
LOCID TYPE STRING,
LOCNO TYPE STRING,
LOCTX TYPE STRING,
SSEXT TYPE STRING,
LASTQT TYPE STRING,
ACTQT TYPE STRING,
UTOL TYPE STRING,
LTOL TYPE STRING,
MEINS TYPE STRING,
DEV_PERCENT TYPE STRING,
LASTDATE TYPE STRING,
ACTDATE TYPE STRING,
PLANNER_PPS TYPE STRING,
LOCNOFR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/MM_SAGR_ALERTSTR_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_/SAPAPO/MM_SAGR_ALERTSTR_STR-AOT sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-AT_ID sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-STATUS_ICON sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-PRIORITY sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-PRIOICON sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-COLCODE sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-DESCRIPTION sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-KEY_FIG sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-AID_INT sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-AID sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-VFROM sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-VTO sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-UNAME_FROM sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-SEC_ATTR sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-AL_NOTE_ID sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-AL_PROCLEV_ID sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-AL_PROCLEV_TEXT sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-AL_PROCESSOR sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-AL_STATUS_ID sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-AL_HIDDEN sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-PLVER sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-EBELN sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-EBELP sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-PEGID sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-BZQID sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-MATID sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-MATNR sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-MAKTX sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-LOCID sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-LOCNO sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-LOCTX sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-SSEXT sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-LASTQT sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-ACTQT sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-UTOL sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-LTOL sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-MEINS sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-DEV_PERCENT sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-LASTDATE sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-ACTDATE sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-PLANNER_PPS sy-vline 
WA_/SAPAPO/MM_SAGR_ALERTSTR_STR-LOCNOFR sy-vline      INTO ld_text SEPARATED BY SPACE.

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