ABAP Select data from SAP table M_OIGMB 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 M_OIGMB 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 M_OIGMB. 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 M_OIGMB 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_M_OIGMB TYPE STANDARD TABLE OF M_OIGMB, WA_M_OIGMB TYPE M_OIGMB, 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: <M_OIGMB> TYPE M_OIGMB. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_M_OIGMB. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM M_OIGMB INTO TABLE IT_M_OIGMB. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM M_OIGMB * INTO TABLE @DATA(IT_M_OIGMB2). *--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_M_OIGMB INDEX 1 INTO DATA(WA_M_OIGMB2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_M_OIGMB ASSIGNING <M_OIGMB>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<M_OIGMB>-CLIENT = 1.
<M_OIGMB>-TU_NUMBER = 1.
<M_OIGMB>-ASSIGN_ALL = 1.
<M_OIGMB>-EQUNR = 1.
<M_OIGMB>-UOM = 1.
ENDLOOP. LOOP AT IT_M_OIGMB INTO WA_M_OIGMB. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_M_OIGMB-TU_NRDIGS, sy-vline,
WA_M_OIGMB-VAL_DAT, sy-vline,
WA_M_OIGMB-MET_DFLG, sy-vline,
WA_M_OIGMB-LANGUAGE, sy-vline,
WA_M_OIGMB-METERTEXT, sy-vline,
WA_M_OIGMB-TU_METNMBR, sy-vline.
ENDLOOP. *Add any further fields from structure WA_M_OIGMB 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_M_OIGMB 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_M_OIGMB INTO WA_M_OIGMB. *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 TU_NUMBER CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_M_OIGMB-TU_NUMBER IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_M_OIGMB-TU_NUMBER.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field EQUNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_M_OIGMB-EQUNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_M_OIGMB-EQUNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field UOM CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_M_OIGMB-UOM IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_M_OIGMB-UOM.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ISOLA, internal->external for field LANGUAGE CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT' EXPORTING input = WA_M_OIGMB-LANGUAGE IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_M_OIGMB-LANGUAGE.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field TU_METNMBR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_M_OIGMB-TU_METNMBR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_M_OIGMB-TU_METNMBR.
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_M_OIGMB_STR,
CLIENT TYPE STRING,
TU_NUMBER TYPE STRING,
ASSIGN_ALL TYPE STRING,
EQUNR TYPE STRING,
UOM TYPE STRING,
TU_NRDIGS TYPE STRING,
VAL_DAT TYPE STRING,
MET_DFLG TYPE STRING,
LANGUAGE TYPE STRING,
METERTEXT TYPE STRING,
TU_METNMBR TYPE STRING,END OF T_EKKO_STR. DATA: WA_M_OIGMB_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_M_OIGMB_STR-CLIENT sy-vline
WA_M_OIGMB_STR-TU_NUMBER sy-vline
WA_M_OIGMB_STR-ASSIGN_ALL sy-vline
WA_M_OIGMB_STR-EQUNR sy-vline
WA_M_OIGMB_STR-UOM sy-vline
WA_M_OIGMB_STR-TU_NRDIGS sy-vline
WA_M_OIGMB_STR-VAL_DAT sy-vline
WA_M_OIGMB_STR-MET_DFLG sy-vline
WA_M_OIGMB_STR-LANGUAGE sy-vline
WA_M_OIGMB_STR-METERTEXT sy-vline
WA_M_OIGMB_STR-TU_METNMBR sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.