ABAP Select data from SAP table WFAS_SHIFT 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 WFAS_SHIFT 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 WFAS_SHIFT. 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 WFAS_SHIFT 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_WFAS_SHIFT TYPE STANDARD TABLE OF WFAS_SHIFT, WA_WFAS_SHIFT TYPE WFAS_SHIFT, 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: <WFAS_SHIFT> TYPE WFAS_SHIFT. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_WFAS_SHIFT. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM WFAS_SHIFT INTO TABLE IT_WFAS_SHIFT. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM WFAS_SHIFT * INTO TABLE @DATA(IT_WFAS_SHIFT2). *--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_WFAS_SHIFT INDEX 1 INTO DATA(WA_WFAS_SHIFT2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_WFAS_SHIFT ASSIGNING <WFAS_SHIFT>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<WFAS_SHIFT>-MANDT = 1.
<WFAS_SHIFT>-SHIFT_ID = 1.
<WFAS_SHIFT>-SCHEDULE_ID = 1.
<WFAS_SHIFT>-ORG_PLVAR = 1.
<WFAS_SHIFT>-ORG_OTYPE = 1.
ENDLOOP. LOOP AT IT_WFAS_SHIFT INTO WA_WFAS_SHIFT. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_WFAS_SHIFT-ORG_OBJID, sy-vline,
WA_WFAS_SHIFT-PARTNER, sy-vline,
WA_WFAS_SHIFT-CHARGE_DATE, sy-vline,
WA_WFAS_SHIFT-CHARGE_TST, sy-vline,
WA_WFAS_SHIFT-STATUS, sy-vline,
WA_WFAS_SHIFT-MODIFIED_FLAG, sy-vline.
ENDLOOP. *Add any further fields from structure WA_WFAS_SHIFT 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_WFAS_SHIFT 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_WFAS_SHIFT INTO WA_WFAS_SHIFT. *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 PARTNER CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_WFAS_SHIFT-PARTNER IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_WFAS_SHIFT-PARTNER.
WRITE:/ 'New Value:', ld_input.
*Conversion exit TMPST, internal->external for field CHARGE_TST CALL FUNCTION 'CONVERSION_EXIT_TMPST_OUTPUT' EXPORTING input = WA_WFAS_SHIFT-CHARGE_TST IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_WFAS_SHIFT-CHARGE_TST.
WRITE:/ 'New Value:', ld_input.
*Conversion exit TMPST, internal->external for field SHIFT_START CALL FUNCTION 'CONVERSION_EXIT_TMPST_OUTPUT' EXPORTING input = WA_WFAS_SHIFT-SHIFT_START IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_WFAS_SHIFT-SHIFT_START.
WRITE:/ 'New Value:', ld_input.
*Conversion exit TMPST, internal->external for field SHIFT_END CALL FUNCTION 'CONVERSION_EXIT_TMPST_OUTPUT' EXPORTING input = WA_WFAS_SHIFT-SHIFT_END IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_WFAS_SHIFT-SHIFT_END.
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_WFAS_SHIFT_STR,
MANDT TYPE STRING,
SHIFT_ID TYPE STRING,
SCHEDULE_ID TYPE STRING,
ORG_PLVAR TYPE STRING,
ORG_OTYPE TYPE STRING,
ORG_OBJID TYPE STRING,
PARTNER TYPE STRING,
CHARGE_DATE TYPE STRING,
CHARGE_TST TYPE STRING,
STATUS TYPE STRING,
MODIFIED_FLAG TYPE STRING,
SHIFT_START TYPE STRING,
SHIFT_END TYPE STRING,END OF T_EKKO_STR. DATA: WA_WFAS_SHIFT_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_WFAS_SHIFT_STR-MANDT sy-vline
WA_WFAS_SHIFT_STR-SHIFT_ID sy-vline
WA_WFAS_SHIFT_STR-SCHEDULE_ID sy-vline
WA_WFAS_SHIFT_STR-ORG_PLVAR sy-vline
WA_WFAS_SHIFT_STR-ORG_OTYPE sy-vline
WA_WFAS_SHIFT_STR-ORG_OBJID sy-vline
WA_WFAS_SHIFT_STR-PARTNER sy-vline
WA_WFAS_SHIFT_STR-CHARGE_DATE sy-vline
WA_WFAS_SHIFT_STR-CHARGE_TST sy-vline
WA_WFAS_SHIFT_STR-STATUS sy-vline
WA_WFAS_SHIFT_STR-MODIFIED_FLAG sy-vline
WA_WFAS_SHIFT_STR-SHIFT_START sy-vline
WA_WFAS_SHIFT_STR-SHIFT_END sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.