ABAP Select data from SAP table MV12D 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 MV12D 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 MV12D. 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 MV12D 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_MV12D TYPE STANDARD TABLE OF MV12D, WA_MV12D TYPE MV12D, 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: <MV12D> TYPE MV12D. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_MV12D. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM MV12D INTO TABLE IT_MV12D. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM MV12D * INTO TABLE @DATA(IT_MV12D2). *--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_MV12D INDEX 1 INTO DATA(WA_MV12D2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_MV12D ASSIGNING <MV12D>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<MV12D>-KVEWE = 1.
<MV12D>-KAPPL = 1.
<MV12D>-KOPLS = 1.
<MV12D>-KZBZG_T = 1.
<MV12D>-KRECH_T = 1.
ENDLOOP. LOOP AT IT_MV12D INTO WA_MV12D. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_MV12D-KNTYP_T, sy-vline,
WA_MV12D-KMANU_T, sy-vline,
WA_MV12D-KOAID_T, sy-vline,
WA_MV12D-KSTPR_T, sy-vline,
WA_MV12D-TXPRF_T, sy-vline,
WA_MV12D-KDUPL_T, sy-vline.
ENDLOOP. *Add any further fields from structure WA_MV12D 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_MV12D 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_MV12D INTO WA_MV12D. *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_MV12D_STR,
KVEWE TYPE STRING,
KAPPL TYPE STRING,
KOPLS TYPE STRING,
KZBZG_T TYPE STRING,
KRECH_T TYPE STRING,
KNTYP_T TYPE STRING,
KMANU_T TYPE STRING,
KOAID_T TYPE STRING,
KSTPR_T TYPE STRING,
TXPRF_T TYPE STRING,
KDUPL_T TYPE STRING,
MLTXT TYPE STRING,
ZIFNA_T TYPE STRING,
QUFNA_T TYPE STRING,
KOZGV_T TYPE STRING,
DATVO_T TYPE STRING,
DTVOB_T TYPE STRING,
STFKZ_T TYPE STRING,
KDELE_T TYPE STRING,
BOVER_T TYPE STRING,
PRECH_T TYPE STRING,
RUKOR_T TYPE STRING,
KZNEP_T TYPE STRING,
KPRDT_T TYPE STRING,
BNKWE_T TYPE STRING,
KTREL_T TYPE STRING,
BERGL_T TYPE STRING,
VHART_T TYPE STRING,
MDFLG_T TYPE STRING,
KNEGA_T TYPE STRING,
GRLNR_T TYPE STRING,
KOFRS_T TYPE STRING,
TDID_T TYPE STRING,
VAL_ZERO_T TYPE STRING,
PURP_T TYPE STRING,
OBSOLETE_T TYPE STRING,END OF T_EKKO_STR. DATA: WA_MV12D_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_MV12D_STR-KVEWE sy-vline
WA_MV12D_STR-KAPPL sy-vline
WA_MV12D_STR-KOPLS sy-vline
WA_MV12D_STR-KZBZG_T sy-vline
WA_MV12D_STR-KRECH_T sy-vline
WA_MV12D_STR-KNTYP_T sy-vline
WA_MV12D_STR-KMANU_T sy-vline
WA_MV12D_STR-KOAID_T sy-vline
WA_MV12D_STR-KSTPR_T sy-vline
WA_MV12D_STR-TXPRF_T sy-vline
WA_MV12D_STR-KDUPL_T sy-vline
WA_MV12D_STR-MLTXT sy-vline
WA_MV12D_STR-ZIFNA_T sy-vline
WA_MV12D_STR-QUFNA_T sy-vline
WA_MV12D_STR-KOZGV_T sy-vline
WA_MV12D_STR-DATVO_T sy-vline
WA_MV12D_STR-DTVOB_T sy-vline
WA_MV12D_STR-STFKZ_T sy-vline
WA_MV12D_STR-KDELE_T sy-vline
WA_MV12D_STR-BOVER_T sy-vline
WA_MV12D_STR-PRECH_T sy-vline
WA_MV12D_STR-RUKOR_T sy-vline
WA_MV12D_STR-KZNEP_T sy-vline
WA_MV12D_STR-KPRDT_T sy-vline
WA_MV12D_STR-BNKWE_T sy-vline
WA_MV12D_STR-KTREL_T sy-vline
WA_MV12D_STR-BERGL_T sy-vline
WA_MV12D_STR-VHART_T sy-vline
WA_MV12D_STR-MDFLG_T sy-vline
WA_MV12D_STR-KNEGA_T sy-vline
WA_MV12D_STR-GRLNR_T sy-vline
WA_MV12D_STR-KOFRS_T sy-vline
WA_MV12D_STR-TDID_T sy-vline
WA_MV12D_STR-VAL_ZERO_T sy-vline
WA_MV12D_STR-PURP_T sy-vline
WA_MV12D_STR-OBSOLETE_T sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.