ABAP Select data from SAP table ICAPYMTLOTDOCVH 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 ICAPYMTLOTDOCVH 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 ICAPYMTLOTDOCVH. 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 ICAPYMTLOTDOCVH 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_ICAPYMTLOTDOCVH TYPE STANDARD TABLE OF ICAPYMTLOTDOCVH,
      WA_ICAPYMTLOTDOCVH TYPE ICAPYMTLOTDOCVH,
      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: <ICAPYMTLOTDOCVH> TYPE ICAPYMTLOTDOCVH.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ICAPYMTLOTDOCVH.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ICAPYMTLOTDOCVH
  INTO TABLE IT_ICAPYMTLOTDOCVH.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICAPYMTLOTDOCVH
*  INTO TABLE @DATA(IT_ICAPYMTLOTDOCVH2).
*--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_ICAPYMTLOTDOCVH INDEX 1 INTO DATA(WA_ICAPYMTLOTDOCVH2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ICAPYMTLOTDOCVH ASSIGNING <ICAPYMTLOTDOCVH>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICAPYMTLOTDOCVH>-MANDT = 1.
<ICAPYMTLOTDOCVH>-CADOCUMENTNUMBER = 1.
<ICAPYMTLOTDOCVH>-CADOCUMENTTYPE = 1.
<ICAPYMTLOTDOCVH>-CADOCUMENTTYPENAME = 1.
<ICAPYMTLOTDOCVH>-CARECONCILIATIONKEY = 1.
ENDLOOP.

LOOP AT IT_ICAPYMTLOTDOCVH INTO WA_ICAPYMTLOTDOCVH.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICAPYMTLOTDOCVH-CAPOSTINGDATE, sy-vline,
WA_ICAPYMTLOTDOCVH-CADOCUMENTORIGINCODE, sy-vline,
WA_ICAPYMTLOTDOCVH-CREATEDBYUSER, sy-vline,
WA_ICAPYMTLOTDOCVH-CREATIONDATE, sy-vline,
WA_ICAPYMTLOTDOCVH-CAREFERENCEDOCUMENT, sy-vline,
WA_ICAPYMTLOTDOCVH-CAAPPLICATIONAREA, sy-vline.
ENDLOOP. *Add any further fields from structure WA_ICAPYMTLOTDOCVH 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_ICAPYMTLOTDOCVH 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_ICAPYMTLOTDOCVH INTO WA_ICAPYMTLOTDOCVH. *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 CADOCUMENTNUMBER CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_ICAPYMTLOTDOCVH-CADOCUMENTNUMBER IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_ICAPYMTLOTDOCVH-CADOCUMENTNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CAREFERENCEDOCUMENT CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_ICAPYMTLOTDOCVH-CAREFERENCEDOCUMENT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_ICAPYMTLOTDOCVH-CAREFERENCEDOCUMENT.
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_ICAPYMTLOTDOCVH_STR,
MANDT TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CADOCUMENTTYPE TYPE STRING,
CADOCUMENTTYPENAME TYPE STRING,
CARECONCILIATIONKEY TYPE STRING,
CAPOSTINGDATE TYPE STRING,
CADOCUMENTORIGINCODE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CAREFERENCEDOCUMENT TYPE STRING,
CAAPPLICATIONAREA TYPE STRING,
CATAXCOMPANYCODE TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSAREA TYPE STRING,
CAAUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR. DATA: WA_ICAPYMTLOTDOCVH_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_ICAPYMTLOTDOCVH_STR-MANDT sy-vline
WA_ICAPYMTLOTDOCVH_STR-CADOCUMENTNUMBER sy-vline
WA_ICAPYMTLOTDOCVH_STR-CADOCUMENTTYPE sy-vline
WA_ICAPYMTLOTDOCVH_STR-CADOCUMENTTYPENAME sy-vline
WA_ICAPYMTLOTDOCVH_STR-CARECONCILIATIONKEY sy-vline
WA_ICAPYMTLOTDOCVH_STR-CAPOSTINGDATE sy-vline
WA_ICAPYMTLOTDOCVH_STR-CADOCUMENTORIGINCODE sy-vline
WA_ICAPYMTLOTDOCVH_STR-CREATEDBYUSER sy-vline
WA_ICAPYMTLOTDOCVH_STR-CREATIONDATE sy-vline
WA_ICAPYMTLOTDOCVH_STR-CAREFERENCEDOCUMENT sy-vline
WA_ICAPYMTLOTDOCVH_STR-CAAPPLICATIONAREA sy-vline
WA_ICAPYMTLOTDOCVH_STR-CATAXCOMPANYCODE sy-vline
WA_ICAPYMTLOTDOCVH_STR-COMPANYCODE sy-vline
WA_ICAPYMTLOTDOCVH_STR-BUSINESSAREA sy-vline
WA_ICAPYMTLOTDOCVH_STR-CAAUTHORIZATIONGROUP sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.