ABAP Select data from SAP table CEMTRRDNGDOCRTP 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 CEMTRRDNGDOCRTP 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 CEMTRRDNGDOCRTP. 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 CEMTRRDNGDOCRTP 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_CEMTRRDNGDOCRTP TYPE STANDARD TABLE OF CEMTRRDNGDOCRTP,
      WA_CEMTRRDNGDOCRTP TYPE CEMTRRDNGDOCRTP,
      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: <CEMTRRDNGDOCRTP> TYPE CEMTRRDNGDOCRTP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CEMTRRDNGDOCRTP
*  INTO TABLE @DATA(IT_CEMTRRDNGDOCRTP2).
*--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_CEMTRRDNGDOCRTP INDEX 1 INTO DATA(WA_CEMTRRDNGDOCRTP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CEMTRRDNGDOCRTP ASSIGNING <CEMTRRDNGDOCRTP>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<CEMTRRDNGDOCRTP>-MANDT = 1.
<CEMTRRDNGDOCRTP>-METERREADINGDOCUMENT = 1.
<CEMTRRDNGDOCRTP>-METERREADINGREASON = 1.
<CEMTRRDNGDOCRTP>-UTILITIESINSTALLATION = 1.
<CEMTRRDNGDOCRTP>-METERREADINGUNIT = 1.
ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CEMTRRDNGDOCRTP-UTILITIESPORTION, sy-vline,
WA_CEMTRRDNGDOCRTP-UTILITIESCONTRACT, sy-vline,
WA_CEMTRRDNGDOCRTP-CONTRACTACCOUNT, sy-vline,
WA_CEMTRRDNGDOCRTP-SCHEDULEDUTILITIESBILLINGDATE, sy-vline,
WA_CEMTRRDNGDOCRTP-METERREADINGISSUPPRESSED, sy-vline,
WA_CEMTRRDNGDOCRTP-METERREADINGRSNSCHEDULEDDATE, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CEMTRRDNGDOCRTP 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_CEMTRRDNGDOCRTP 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_CEMTRRDNGDOCRTP INTO WA_CEMTRRDNGDOCRTP. *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 METERREADINGDOCUMENT CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CEMTRRDNGDOCRTP-METERREADINGDOCUMENT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CEMTRRDNGDOCRTP-METERREADINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field UTILITIESINSTALLATION CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CEMTRRDNGDOCRTP-UTILITIESINSTALLATION IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CEMTRRDNGDOCRTP-UTILITIESINSTALLATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field UTILITIESCONTRACT CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CEMTRRDNGDOCRTP-UTILITIESCONTRACT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CEMTRRDNGDOCRTP-UTILITIESCONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTRACTACCOUNT CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CEMTRRDNGDOCRTP-CONTRACTACCOUNT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CEMTRRDNGDOCRTP-CONTRACTACCOUNT.
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_CEMTRRDNGDOCRTP_STR,
MANDT TYPE STRING,
METERREADINGDOCUMENT TYPE STRING,
METERREADINGREASON TYPE STRING,
UTILITIESINSTALLATION TYPE STRING,
METERREADINGUNIT TYPE STRING,
UTILITIESPORTION TYPE STRING,
UTILITIESCONTRACT TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
SCHEDULEDUTILITIESBILLINGDATE TYPE STRING,
METERREADINGISSUPPRESSED TYPE STRING,
METERREADINGRSNSCHEDULEDDATE TYPE STRING,
METERREADINGDATE TYPE STRING,END OF T_EKKO_STR. DATA: WA_CEMTRRDNGDOCRTP_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_CEMTRRDNGDOCRTP_STR-MANDT sy-vline
WA_CEMTRRDNGDOCRTP_STR-METERREADINGDOCUMENT sy-vline
WA_CEMTRRDNGDOCRTP_STR-METERREADINGREASON sy-vline
WA_CEMTRRDNGDOCRTP_STR-UTILITIESINSTALLATION sy-vline
WA_CEMTRRDNGDOCRTP_STR-METERREADINGUNIT sy-vline
WA_CEMTRRDNGDOCRTP_STR-UTILITIESPORTION sy-vline
WA_CEMTRRDNGDOCRTP_STR-UTILITIESCONTRACT sy-vline
WA_CEMTRRDNGDOCRTP_STR-CONTRACTACCOUNT sy-vline
WA_CEMTRRDNGDOCRTP_STR-SCHEDULEDUTILITIESBILLINGDATE sy-vline
WA_CEMTRRDNGDOCRTP_STR-METERREADINGISSUPPRESSED sy-vline
WA_CEMTRRDNGDOCRTP_STR-METERREADINGRSNSCHEDULEDDATE sy-vline
WA_CEMTRRDNGDOCRTP_STR-METERREADINGDATE sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.