ABAP Select data from SAP table ROLMG1 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 ROLMG1 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 ROLMG1. 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 ROLMG1 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_ROLMG1 TYPE STANDARD TABLE OF ROLMG1,
WA_ROLMG1 TYPE ROLMG1,
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: <ROLMG1> TYPE ROLMG1.
*Process all fields in table header/work area as string values
PERFORM process_as_string_field_values CHANGING wa_ROLMG1.
SELECT *
*restrict ABAP select to first 10 rows
UP TO 10 ROWS
FROM ROLMG1
INTO TABLE IT_ROLMG1.
*Select data and declare internal table using in-line method @DATA
*SELECT *
* FROM ROLMG1
* INTO TABLE @DATA(IT_ROLMG12).
*--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_ROLMG1 INDEX 1 INTO DATA(WA_ROLMG12).
*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROLMG1 ASSIGNING <ROLMG1>.
*To update a field value using a field symbol simply change the value via the field symbol pointer<ROLMG1>-ADDIT = 1.
<ROLMG1>-BEARB = 1.
<ROLMG1>-BEARB1 = 1.
<ROLMG1>-DETAIL = 1.
<ROLMG1>-DETAKEY = 1.
ENDLOOP. LOOP AT IT_ROLMG1 INTO WA_ROLMG1. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_ROLMG1-OBJ, sy-vline,
WA_ROLMG1-KZSEL1, sy-vline,
WA_ROLMG1-KZSEL2, sy-vline,
WA_ROLMG1-KZSEL3, sy-vline,
WA_ROLMG1-KZSEL4, sy-vline,
WA_ROLMG1-KZSEL5, sy-vline.
ENDLOOP. *Add any further fields from structure WA_ROLMG1 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_ROLMG1 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_ROLMG1 INTO WA_ROLMG1. *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 LUNIT, internal->external for field MSEC6 CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT' EXPORTING input = WA_ROLMG1-MSEC6 IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_ROLMG1-MSEC6.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field MSEHI CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_ROLMG1-MSEHI IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_ROLMG1-MSEHI.
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_ROLMG1_STR,
ADDIT TYPE STRING,
BEARB TYPE STRING,
BEARB1 TYPE STRING,
DETAIL TYPE STRING,
DETAKEY TYPE STRING,
OBJ TYPE STRING,
KZSEL1 TYPE STRING,
KZSEL2 TYPE STRING,
KZSEL3 TYPE STRING,
KZSEL4 TYPE STRING,
KZSEL5 TYPE STRING,
KZSEL6 TYPE STRING,
KZSEL7 TYPE STRING,
KZSEL8 TYPE STRING,
ANZG TYPE STRING,
AUSB TYPE STRING,
BWERT TYPE STRING,
FABID TYPE STRING,
FABKL TYPE STRING,
KANN TYPE STRING,
MSEC6 TYPE STRING,
MSEHI TYPE STRING,
MUSS TYPE STRING,
TEXT32 TYPE STRING,
TEXT40 TYPE STRING,
ANSWERYES TYPE STRING,
ANSWERNO TYPE STRING,END OF T_EKKO_STR. DATA: WA_ROLMG1_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_ROLMG1_STR-ADDIT sy-vline
WA_ROLMG1_STR-BEARB sy-vline
WA_ROLMG1_STR-BEARB1 sy-vline
WA_ROLMG1_STR-DETAIL sy-vline
WA_ROLMG1_STR-DETAKEY sy-vline
WA_ROLMG1_STR-OBJ sy-vline
WA_ROLMG1_STR-KZSEL1 sy-vline
WA_ROLMG1_STR-KZSEL2 sy-vline
WA_ROLMG1_STR-KZSEL3 sy-vline
WA_ROLMG1_STR-KZSEL4 sy-vline
WA_ROLMG1_STR-KZSEL5 sy-vline
WA_ROLMG1_STR-KZSEL6 sy-vline
WA_ROLMG1_STR-KZSEL7 sy-vline
WA_ROLMG1_STR-KZSEL8 sy-vline
WA_ROLMG1_STR-ANZG sy-vline
WA_ROLMG1_STR-AUSB sy-vline
WA_ROLMG1_STR-BWERT sy-vline
WA_ROLMG1_STR-FABID sy-vline
WA_ROLMG1_STR-FABKL sy-vline
WA_ROLMG1_STR-KANN sy-vline
WA_ROLMG1_STR-MSEC6 sy-vline
WA_ROLMG1_STR-MSEHI sy-vline
WA_ROLMG1_STR-MUSS sy-vline
WA_ROLMG1_STR-TEXT32 sy-vline
WA_ROLMG1_STR-TEXT40 sy-vline
WA_ROLMG1_STR-ANSWERYES sy-vline
WA_ROLMG1_STR-ANSWERNO sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.
