ABAP Select data from SAP table TLOSSZONES 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 TLOSSZONES 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 TLOSSZONES. 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 TLOSSZONES 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_TLOSSZONES TYPE STANDARD TABLE OF TLOSSZONES, WA_TLOSSZONES TYPE TLOSSZONES, 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: <TLOSSZONES> TYPE TLOSSZONES. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_TLOSSZONES. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM TLOSSZONES INTO TABLE IT_TLOSSZONES. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM TLOSSZONES * INTO TABLE @DATA(IT_TLOSSZONES2). *--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_TLOSSZONES INDEX 1 INTO DATA(WA_TLOSSZONES2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_TLOSSZONES ASSIGNING <TLOSSZONES>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<TLOSSZONES>-MANDT = 1.
<TLOSSZONES>-LOSSDTGROUP = 1.
<TLOSSZONES>-RATING = 1.
<TLOSSZONES>-P_VOLTAGE = 1.
<TLOSSZONES>-S_VOLTAGE = 1.
ENDLOOP. LOOP AT IT_TLOSSZONES INTO WA_TLOSSZONES. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_TLOSSZONES-POWERFACTOR, sy-vline,
WA_TLOSSZONES-CONSLOW, sy-vline,
WA_TLOSSZONES-TLOSS_A, sy-vline,
WA_TLOSSZONES-TLOSS_R, sy-vline,
ENDLOOP. *Add any further fields from structure WA_TLOSSZONES 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_TLOSSZONES 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_TLOSSZONES INTO WA_TLOSSZONES. *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 RAT11, internal->external for field RATING CALL FUNCTION 'CONVERSION_EXIT_RAT11_OUTPUT' EXPORTING input = WA_TLOSSZONES-RATING IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_TLOSSZONES-RATING.
WRITE:/ 'New Value:', ld_input.
*Conversion exit PVOLT, internal->external for field P_VOLTAGE CALL FUNCTION 'CONVERSION_EXIT_PVOLT_OUTPUT' EXPORTING input = WA_TLOSSZONES-P_VOLTAGE IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_TLOSSZONES-P_VOLTAGE.
WRITE:/ 'New Value:', ld_input.
*Conversion exit SVOLT, internal->external for field S_VOLTAGE CALL FUNCTION 'CONVERSION_EXIT_SVOLT_OUTPUT' EXPORTING input = WA_TLOSSZONES-S_VOLTAGE IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_TLOSSZONES-S_VOLTAGE.
WRITE:/ 'New Value:', ld_input.
*Conversion exit PFSTD, internal->external for field POWERFACTOR CALL FUNCTION 'CONVERSION_EXIT_PFSTD_OUTPUT' EXPORTING input = WA_TLOSSZONES-POWERFACTOR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_TLOSSZONES-POWERFACTOR.
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_TLOSSZONES_STR,
MANDT TYPE STRING,
LOSSDTGROUP TYPE STRING,
RATING TYPE STRING,
P_VOLTAGE TYPE STRING,
S_VOLTAGE TYPE STRING,
POWERFACTOR TYPE STRING,
CONSLOW TYPE STRING,
TLOSS_A TYPE STRING,
TLOSS_R TYPE STRING,END OF T_EKKO_STR. DATA: WA_TLOSSZONES_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_TLOSSZONES_STR-MANDT sy-vline
WA_TLOSSZONES_STR-LOSSDTGROUP sy-vline
WA_TLOSSZONES_STR-RATING sy-vline
WA_TLOSSZONES_STR-P_VOLTAGE sy-vline
WA_TLOSSZONES_STR-S_VOLTAGE sy-vline
WA_TLOSSZONES_STR-POWERFACTOR sy-vline
WA_TLOSSZONES_STR-CONSLOW sy-vline
WA_TLOSSZONES_STR-TLOSS_A sy-vline
WA_TLOSSZONES_STR-TLOSS_R sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.