ABAP Select data from SAP table MEPO1322 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 MEPO1322 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 MEPO1322. 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 MEPO1322 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_MEPO1322 TYPE STANDARD TABLE OF MEPO1322, WA_MEPO1322 TYPE MEPO1322, 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: <MEPO1322> TYPE MEPO1322. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_MEPO1322. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM MEPO1322 INTO TABLE IT_MEPO1322. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM MEPO1322 * INTO TABLE @DATA(IT_MEPO13222). *--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_MEPO1322 INDEX 1 INTO DATA(WA_MEPO13222). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_MEPO1322 ASSIGNING <MEPO1322>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<MEPO1322>-AKTNR = 1.
<MEPO1322>-ABELN = 1.
<MEPO1322>-ABELP = 1.
<MEPO1322>-SAISO = 1.
<MEPO1322>-SAISJ = 1.
ENDLOOP. LOOP AT IT_MEPO1322 INTO WA_MEPO1322. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_MEPO1322-AUREL, sy-vline,
WA_MEPO1322-KOLIF, sy-vline,
WA_MEPO1322-BSGRU, sy-vline,
WA_MEPO1322-BSGTX, sy-vline,
WA_MEPO1322-FSH_SEASON_YEAR, sy-vline,
WA_MEPO1322-FSH_SEASON, sy-vline.
ENDLOOP. *Add any further fields from structure WA_MEPO1322 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_MEPO1322 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_MEPO1322 INTO WA_MEPO1322. *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 AKTNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_MEPO1322-AKTNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MEPO1322-AKTNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field ABELN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_MEPO1322-ABELN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MEPO1322-ABELN.
WRITE:/ 'New Value:', ld_input.
*Conversion exit GJAHR, internal->external for field SAISJ CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_MEPO1322-SAISJ IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MEPO1322-SAISJ.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field KOLIF CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_MEPO1322-KOLIF IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MEPO1322-KOLIF.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field RFM_PSST_GROUP CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_MEPO1322-RFM_PSST_GROUP IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_MEPO1322-RFM_PSST_GROUP.
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_MEPO1322_STR,
AKTNR TYPE STRING,
ABELN TYPE STRING,
ABELP TYPE STRING,
SAISO TYPE STRING,
SAISJ TYPE STRING,
AUREL TYPE STRING,
KOLIF TYPE STRING,
BSGRU TYPE STRING,
BSGTX TYPE STRING,
FSH_SEASON_YEAR TYPE STRING,
FSH_SEASON TYPE STRING,
FSH_COLLECTION TYPE STRING,
FSH_THEME TYPE STRING,
RFM_PSST_RULE TYPE STRING,
RFM_PSST_GROUP TYPE STRING,
RFM_SEASON_CATEGORY TYPE STRING,
RFM_PRIORITY TYPE STRING,
RFM_SCC_INDICATOR TYPE STRING,
MRPIND TYPE STRING,END OF T_EKKO_STR. DATA: WA_MEPO1322_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_MEPO1322_STR-AKTNR sy-vline
WA_MEPO1322_STR-ABELN sy-vline
WA_MEPO1322_STR-ABELP sy-vline
WA_MEPO1322_STR-SAISO sy-vline
WA_MEPO1322_STR-SAISJ sy-vline
WA_MEPO1322_STR-AUREL sy-vline
WA_MEPO1322_STR-KOLIF sy-vline
WA_MEPO1322_STR-BSGRU sy-vline
WA_MEPO1322_STR-BSGTX sy-vline
WA_MEPO1322_STR-FSH_SEASON_YEAR sy-vline
WA_MEPO1322_STR-FSH_SEASON sy-vline
WA_MEPO1322_STR-FSH_COLLECTION sy-vline
WA_MEPO1322_STR-FSH_THEME sy-vline
WA_MEPO1322_STR-RFM_PSST_RULE sy-vline
WA_MEPO1322_STR-RFM_PSST_GROUP sy-vline
WA_MEPO1322_STR-RFM_SEASON_CATEGORY sy-vline
WA_MEPO1322_STR-RFM_PRIORITY sy-vline
WA_MEPO1322_STR-RFM_SCC_INDICATOR sy-vline
WA_MEPO1322_STR-MRPIND sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.