ABAP Select data from SAP table MLCRPLD 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 MLCRPLD 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 MLCRPLD. 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 MLCRPLD 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_MLCRPLD TYPE STANDARD TABLE OF MLCRPLD, WA_MLCRPLD TYPE MLCRPLD, 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: <MLCRPLD> TYPE MLCRPLD. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_MLCRPLD. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM MLCRPLD INTO TABLE IT_MLCRPLD. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM MLCRPLD * INTO TABLE @DATA(IT_MLCRPLD2). *--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_MLCRPLD INDEX 1 INTO DATA(WA_MLCRPLD2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_MLCRPLD ASSIGNING <MLCRPLD>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<MLCRPLD>-MANDT = 1.
<MLCRPLD>-BELNR = 1.
<MLCRPLD>-KJAHR = 1.
<MLCRPLD>-POSNR = 1.
<MLCRPLD>-BDATJ = 1.
ENDLOOP. LOOP AT IT_MLCRPLD INTO WA_MLCRPLD. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_MLCRPLD-POPER, sy-vline,
WA_MLCRPLD-RLDNR, sy-vline,
WA_MLCRPLD-EXT_CURTYPE, sy-vline,
WA_MLCRPLD-PVPRS_NEW, sy-vline,
WA_MLCRPLD-STPRS_NEW, sy-vline,
WA_MLCRPLD-VPRSV_NEW, sy-vline.
ENDLOOP. *Add any further fields from structure WA_MLCRPLD 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_MLCRPLD 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_MLCRPLD INTO WA_MLCRPLD. *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 BELNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_MLCRPLD-BELNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MLCRPLD-BELNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit GJAHR, internal->external for field KJAHR CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_MLCRPLD-KJAHR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MLCRPLD-KJAHR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit GJAHR, internal->external for field BDATJ CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_MLCRPLD-BDATJ IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MLCRPLD-BDATJ.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field RLDNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_MLCRPLD-RLDNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MLCRPLD-RLDNR.
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_MLCRPLD_STR,
MANDT TYPE STRING,
BELNR TYPE STRING,
KJAHR TYPE STRING,
POSNR TYPE STRING,
BDATJ TYPE STRING,
POPER TYPE STRING,
RLDNR TYPE STRING,
EXT_CURTYPE TYPE STRING,
PVPRS_NEW TYPE STRING,
STPRS_NEW TYPE STRING,
VPRSV_NEW TYPE STRING,
PEINH_NEW TYPE STRING,
MANPAE_V TYPE STRING,
SALK3UM TYPE STRING,
MANPAE_S TYPE STRING,
SALK3UMS TYPE STRING,
ERZKALK TYPE STRING,
ZUKBEW TYPE STRING,END OF T_EKKO_STR. DATA: WA_MLCRPLD_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_MLCRPLD_STR-MANDT sy-vline
WA_MLCRPLD_STR-BELNR sy-vline
WA_MLCRPLD_STR-KJAHR sy-vline
WA_MLCRPLD_STR-POSNR sy-vline
WA_MLCRPLD_STR-BDATJ sy-vline
WA_MLCRPLD_STR-POPER sy-vline
WA_MLCRPLD_STR-RLDNR sy-vline
WA_MLCRPLD_STR-EXT_CURTYPE sy-vline
WA_MLCRPLD_STR-PVPRS_NEW sy-vline
WA_MLCRPLD_STR-STPRS_NEW sy-vline
WA_MLCRPLD_STR-VPRSV_NEW sy-vline
WA_MLCRPLD_STR-PEINH_NEW sy-vline
WA_MLCRPLD_STR-MANPAE_V sy-vline
WA_MLCRPLD_STR-SALK3UM sy-vline
WA_MLCRPLD_STR-MANPAE_S sy-vline
WA_MLCRPLD_STR-SALK3UMS sy-vline
WA_MLCRPLD_STR-ERZKALK sy-vline
WA_MLCRPLD_STR-ZUKBEW sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.