ABAP Select data from SAP table API_VALUE_TXTNR 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 API_VALUE_TXTNR 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 API_VALUE_TXTNR. 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 API_VALUE_TXTNR 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_API_VALUE_TXTNR TYPE STANDARD TABLE OF API_VALUE_TXTNR, WA_API_VALUE_TXTNR TYPE API_VALUE_TXTNR, 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: <API_VALUE_TXTNR> TYPE API_VALUE_TXTNR. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_API_VALUE_TXTNR. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM API_VALUE_TXTNR INTO TABLE IT_API_VALUE_TXTNR. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM API_VALUE_TXTNR * INTO TABLE @DATA(IT_API_VALUE_TXTNR2). *--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_API_VALUE_TXTNR INDEX 1 INTO DATA(WA_API_VALUE_TXTNR2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_API_VALUE_TXTNR ASSIGNING <API_VALUE_TXTNR>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<API_VALUE_TXTNR>-ATINN = 1.
<API_VALUE_TXTNR>-ATNAM = 1.
<API_VALUE_TXTNR>-ATZHL = 1.
<API_VALUE_TXTNR>-ATWRT = 1.
<API_VALUE_TXTNR>-ATFLV = 1.
ENDLOOP. LOOP AT IT_API_VALUE_TXTNR INTO WA_API_VALUE_TXTNR. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_API_VALUE_TXTNR-ATAWE, sy-vline,
WA_API_VALUE_TXTNR-ATFLB, sy-vline,
WA_API_VALUE_TXTNR-ATAW1, sy-vline,
WA_API_VALUE_TXTNR-ATCOD, sy-vline,
WA_API_VALUE_TXTNR-LTXT_NAME, sy-vline,
ENDLOOP. *Add any further fields from structure WA_API_VALUE_TXTNR 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_API_VALUE_TXTNR 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_API_VALUE_TXTNR INTO WA_API_VALUE_TXTNR. *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 ATINN, internal->external for field ATINN CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT' EXPORTING input = WA_API_VALUE_TXTNR-ATINN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_API_VALUE_TXTNR-ATINN.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field ATAWE CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_API_VALUE_TXTNR-ATAWE IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_API_VALUE_TXTNR-ATAWE.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field ATAW1 CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_API_VALUE_TXTNR-ATAW1 IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_API_VALUE_TXTNR-ATAW1.
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_API_VALUE_TXTNR_STR,
ATINN TYPE STRING,
ATNAM TYPE STRING,
ATZHL TYPE STRING,
ATWRT TYPE STRING,
ATFLV TYPE STRING,
ATAWE TYPE STRING,
ATFLB TYPE STRING,
ATAW1 TYPE STRING,
ATCOD TYPE STRING,
LTXT_NAME TYPE STRING,END OF T_EKKO_STR. DATA: WA_API_VALUE_TXTNR_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_API_VALUE_TXTNR_STR-ATINN sy-vline
WA_API_VALUE_TXTNR_STR-ATNAM sy-vline
WA_API_VALUE_TXTNR_STR-ATZHL sy-vline
WA_API_VALUE_TXTNR_STR-ATWRT sy-vline
WA_API_VALUE_TXTNR_STR-ATFLV sy-vline
WA_API_VALUE_TXTNR_STR-ATAWE sy-vline
WA_API_VALUE_TXTNR_STR-ATFLB sy-vline
WA_API_VALUE_TXTNR_STR-ATAW1 sy-vline
WA_API_VALUE_TXTNR_STR-ATCOD sy-vline
WA_API_VALUE_TXTNR_STR-LTXT_NAME sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.