ABAP Select data from SAP table MAM_25_MEASUREM_POINT_LIST_SD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MAM_25_MEASUREM_POINT_LIST_SD 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 MAM_25_MEASUREM_POINT_LIST_SD. 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 MAM_25_MEASUREM_POINT_LIST_SD 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_MAM_25_MEASUREM_POINT_LIST_SD TYPE STANDARD TABLE OF MAM_25_MEASUREM_POINT_LIST_SD,
      WA_MAM_25_MEASUREM_POINT_LIST_SD TYPE MAM_25_MEASUREM_POINT_LIST_SD,
      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: <MAM_25_MEASUREM_POINT_LIST_SD> TYPE MAM_25_MEASUREM_POINT_LIST_SD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MAM_25_MEASUREM_POINT_LIST_SD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MAM_25_MEASUREM_POINT_LIST_SD
  INTO TABLE IT_MAM_25_MEASUREM_POINT_LIST_SD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MAM_25_MEASUREM_POINT_LIST_SD
*  INTO TABLE @DATA(IT_MAM_25_MEASUREM_POINT_LIST_SD2).
*--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_MAM_25_MEASUREM_POINT_LIST_SD INDEX 1 INTO DATA(WA_MAM_25_MEASUREM_POINT_LIST_SD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MAM_25_MEASUREM_POINT_LIST_SD ASSIGNING <MAM_25_MEASUREM_POINT_LIST_SD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MAM_25_MEASUREM_POINT_LIST_SD>-MEASPOINT = 1.
<MAM_25_MEASUREM_POINT_LIST_SD>-OBJNO_MPO = 1.
<MAM_25_MEASUREM_POINT_LIST_SD>-MEASPOS = 1.
<MAM_25_MEASUREM_POINT_LIST_SD>-REFMEASPOS = 1.
<MAM_25_MEASUREM_POINT_LIST_SD>-DESCRIPTN = 1.

ENDLOOP.

LOOP AT IT_MAM_25_MEASUREM_POINT_LIST_SD INTO WA_MAM_25_MEASUREM_POINT_LIST_SD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MAM_25_MEASUREM_POINT_LIST_SD-LANGU, sy-vline,
  WA_MAM_25_MEASUREM_POINT_LIST_SD-LANGU_ISO, sy-vline,
  WA_MAM_25_MEASUREM_POINT_LIST_SD-CATEGORY, sy-vline,
  WA_MAM_25_MEASUREM_POINT_LIST_SD-REF_MP, sy-vline,
  WA_MAM_25_MEASUREM_POINT_LIST_SD-INACTIVE, sy-vline,
  WA_MAM_25_MEASUREM_POINT_LIST_SD-DELETFLAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MAM_25_MEASUREM_POINT_LIST_SD 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_MAM_25_MEASUREM_POINT_LIST_SD 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_MAM_25_MEASUREM_POINT_LIST_SD INTO WA_MAM_25_MEASUREM_POINT_LIST_SD.


*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 MEASPOINT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_MEASUREM_POINT_LIST_SD-MEASPOINT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_MEASUREM_POINT_LIST_SD-MEASPOINT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_MEASUREM_POINT_LIST_SD-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_MEASUREM_POINT_LIST_SD-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field ASSEMBLY
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_MEASUREM_POINT_LIST_SD-ASSEMBLY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_MEASUREM_POINT_LIST_SD-ASSEMBLY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFMEASPT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_MEASUREM_POINT_LIST_SD-REFMEASPT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_MEASUREM_POINT_LIST_SD-REFMEASPT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field INT_CHAR
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_MEASUREM_POINT_LIST_SD-INT_CHAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_MEASUREM_POINT_LIST_SD-INT_CHAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEASRGUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_MEASUREM_POINT_LIST_SD-MEASRGUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_MEASUREM_POINT_LIST_SD-MEASRGUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RDGCOPD_F
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_MEASUREM_POINT_LIST_SD-RDGCOPD_F
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_MEASUREM_POINT_LIST_SD-RDGCOPD_F.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEAS_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_MEASUREM_POINT_LIST_SD-MEAS_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_MEASUREM_POINT_LIST_SD-MEAS_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LUNIT, internal->external for field MEAS_UNIT_REC
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_MEASUREM_POINT_LIST_SD-MEAS_UNIT_REC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_MEASUREM_POINT_LIST_SD-MEAS_UNIT_REC.
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_MAM_25_MEASUREM_POINT_LIST_SD_STR, 
MEASPOINT TYPE STRING,
OBJNO_MPO TYPE STRING,
MEASPOS TYPE STRING,
REFMEASPOS TYPE STRING,
DESCRIPTN TYPE STRING,
LANGU TYPE STRING,
LANGU_ISO TYPE STRING,
CATEGORY TYPE STRING,
REF_MP TYPE STRING,
INACTIVE TYPE STRING,
DELETFLAG TYPE STRING,
ASSEMBLY TYPE STRING,
REFMEASPT TYPE STRING,
INT_CHAR TYPE STRING,
REFCHAR TYPE STRING,
FLP_EXP TYPE STRING,
DECIMALS TYPE STRING,
TARGVAL TYPE STRING,
CONTVALUE_TARGVAL TYPE STRING,
REFTARGVAL TYPE STRING,
TEXT TYPE STRING,
REFTEXT TYPE STRING,
LOMRLIM TYPE STRING,
CONTVALUE_LOMRLIM TYPE STRING,
UPMRLIM TYPE STRING,
CONTVALUE_UPMRLIM TYPE STRING,
MEASRGUNIT TYPE STRING,
MEASRGUNIT_ISO TYPE STRING,
COUNTER TYPE STRING,
BACKWARDS TYPE STRING,
CMR_DESIR TYPE STRING,
RDGCOPD_F TYPE STRING,
CTROVRDG TYPE STRING,
CONTVALUE_CTROVRDG TYPE STRING,
ANNESTIM TYPE STRING,
CONTVALUE_ANNESTIM TYPE STRING,
CATLGTYPE TYPE STRING,
CODEGRP TYPE STRING,
REFCODEGRP TYPE STRING,
CODE_SUFF TYPE STRING,
NAME_CHAR TYPE STRING,
DATA_TYPE TYPE STRING,
NEGVALUES TYPE STRING,
MEAS_UNIT TYPE STRING,
MEAS_UNIT_ISO TYPE STRING,
EXPONENT TYPE STRING,
NUMBER_DECIMALS TYPE STRING,
SEL_SET TYPE STRING,
MEAS_UNIT_REC TYPE STRING,
CODE_CAT_GROUP TYPE STRING,
ENHANCEMENT_FLAG TYPE STRING,
ME_ACTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MAM_25_MEASUREM_POINT_LIST_SD_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_MAM_25_MEASUREM_POINT_LIST_SD_STR-MEASPOINT sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-OBJNO_MPO sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-MEASPOS sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-REFMEASPOS sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-DESCRIPTN sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-LANGU sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-LANGU_ISO sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CATEGORY sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-REF_MP sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-INACTIVE sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-DELETFLAG sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-ASSEMBLY sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-REFMEASPT sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-INT_CHAR sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-REFCHAR sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-FLP_EXP sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-DECIMALS sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-TARGVAL sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CONTVALUE_TARGVAL sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-REFTARGVAL sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-TEXT sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-REFTEXT sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-LOMRLIM sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CONTVALUE_LOMRLIM sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-UPMRLIM sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CONTVALUE_UPMRLIM sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-MEASRGUNIT sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-MEASRGUNIT_ISO sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-COUNTER sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-BACKWARDS sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CMR_DESIR sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-RDGCOPD_F sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CTROVRDG sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CONTVALUE_CTROVRDG sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-ANNESTIM sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CONTVALUE_ANNESTIM sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CATLGTYPE sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CODEGRP sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-REFCODEGRP sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CODE_SUFF sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-NAME_CHAR sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-DATA_TYPE sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-NEGVALUES sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-MEAS_UNIT sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-MEAS_UNIT_ISO sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-EXPONENT sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-NUMBER_DECIMALS sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-SEL_SET sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-MEAS_UNIT_REC sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-CODE_CAT_GROUP sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-ENHANCEMENT_FLAG sy-vline 
WA_MAM_25_MEASUREM_POINT_LIST_SD_STR-ME_ACTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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