ABAP Select data from SAP table ECRMV_ETC_CONTTR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ECRMV_ETC_CONTTR 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 ECRMV_ETC_CONTTR. 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 ECRMV_ETC_CONTTR 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_ECRMV_ETC_CONTTR TYPE STANDARD TABLE OF ECRMV_ETC_CONTTR,
      WA_ECRMV_ETC_CONTTR TYPE ECRMV_ETC_CONTTR,
      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: <ECRMV_ETC_CONTTR> TYPE ECRMV_ETC_CONTTR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ECRMV_ETC_CONTTR
*  INTO TABLE @DATA(IT_ECRMV_ETC_CONTTR2).
*--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_ECRMV_ETC_CONTTR INDEX 1 INTO DATA(WA_ECRMV_ETC_CONTTR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ECRMV_ETC_CONTTR ASSIGNING <ECRMV_ETC_CONTTR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ECRMV_ETC_CONTTR>-CLIENT = 1.
<ECRMV_ETC_CONTTR>-GUID = 1.
<ECRMV_ETC_CONTTR>-ISUCONTRACT = 1.
<ECRMV_ETC_CONTTR>-CONTSTART = 1.
<ECRMV_ETC_CONTTR>-CONTEND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ECRMV_ETC_CONTTR-QUOTATION, sy-vline,
  WA_ECRMV_ETC_CONTTR-CANCELLED, sy-vline,
  WA_ECRMV_ETC_CONTTR-PARTNER, sy-vline,
  WA_ECRMV_ETC_CONTTR-PARTNER_GUID, sy-vline,
  WA_ECRMV_ETC_CONTTR-BLOCKED, sy-vline,
  WA_ECRMV_ETC_CONTTR-POD_GUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ECRMV_ETC_CONTTR 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_ECRMV_ETC_CONTTR 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_ECRMV_ETC_CONTTR INTO WA_ECRMV_ETC_CONTTR.


*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_ECRMV_ETC_CONTTR-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECRMV_ETC_CONTTR-PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CREATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_ECRMV_ETC_CONTTR-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECRMV_ETC_CONTTR-CREATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_ECRMV_ETC_CONTTR-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECRMV_ETC_CONTTR-CHANGED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TR_VALID_FROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_ECRMV_ETC_CONTTR-TR_VALID_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECRMV_ETC_CONTTR-TR_VALID_FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TR_VALID_TO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_ECRMV_ETC_CONTTR-TR_VALID_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECRMV_ETC_CONTTR-TR_VALID_TO.
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_ECRMV_ETC_CONTTR_STR, 
CLIENT TYPE STRING,
GUID TYPE STRING,
ISUCONTRACT TYPE STRING,
CONTSTART TYPE STRING,
CONTEND TYPE STRING,
QUOTATION TYPE STRING,
CANCELLED TYPE STRING,
PARTNER TYPE STRING,
PARTNER_GUID TYPE STRING,
BLOCKED TYPE STRING,
POD_GUID TYPE STRING,
ISULOGSYS TYPE STRING,
BUAG_GUID TYPE STRING,
DIVISION TYPE STRING,
ORDERED_PROD TYPE STRING,
ITM_TYPE TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
OBJECT_TYPE TYPE STRING,
DESCRIPTION_UC TYPE STRING,
HEADER TYPE STRING,
PARENT TYPE STRING,
PRODUCT TYPE STRING,
DESCRIPTION TYPE STRING,
NUMBER_INT TYPE STRING,
TYPE TYPE STRING,
RECORD TYPE STRING,
TR_LINE_TYPE TYPE STRING,
TR_TYPE TYPE STRING,
TR_OBJ_ID TYPE STRING,
TR_DERIVED TYPE STRING,
TR_VALID_FROM TYPE STRING,
TR_VALID_TO TYPE STRING,
TR_SLOT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ECRMV_ETC_CONTTR_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_ECRMV_ETC_CONTTR_STR-CLIENT sy-vline 
WA_ECRMV_ETC_CONTTR_STR-GUID sy-vline 
WA_ECRMV_ETC_CONTTR_STR-ISUCONTRACT sy-vline 
WA_ECRMV_ETC_CONTTR_STR-CONTSTART sy-vline 
WA_ECRMV_ETC_CONTTR_STR-CONTEND sy-vline 
WA_ECRMV_ETC_CONTTR_STR-QUOTATION sy-vline 
WA_ECRMV_ETC_CONTTR_STR-CANCELLED sy-vline 
WA_ECRMV_ETC_CONTTR_STR-PARTNER sy-vline 
WA_ECRMV_ETC_CONTTR_STR-PARTNER_GUID sy-vline 
WA_ECRMV_ETC_CONTTR_STR-BLOCKED sy-vline 
WA_ECRMV_ETC_CONTTR_STR-POD_GUID sy-vline 
WA_ECRMV_ETC_CONTTR_STR-ISULOGSYS sy-vline 
WA_ECRMV_ETC_CONTTR_STR-BUAG_GUID sy-vline 
WA_ECRMV_ETC_CONTTR_STR-DIVISION sy-vline 
WA_ECRMV_ETC_CONTTR_STR-ORDERED_PROD sy-vline 
WA_ECRMV_ETC_CONTTR_STR-ITM_TYPE sy-vline 
WA_ECRMV_ETC_CONTTR_STR-CREATED_AT sy-vline 
WA_ECRMV_ETC_CONTTR_STR-CREATED_BY sy-vline 
WA_ECRMV_ETC_CONTTR_STR-CHANGED_AT sy-vline 
WA_ECRMV_ETC_CONTTR_STR-CHANGED_BY sy-vline 
WA_ECRMV_ETC_CONTTR_STR-OBJECT_TYPE sy-vline 
WA_ECRMV_ETC_CONTTR_STR-DESCRIPTION_UC sy-vline 
WA_ECRMV_ETC_CONTTR_STR-HEADER sy-vline 
WA_ECRMV_ETC_CONTTR_STR-PARENT sy-vline 
WA_ECRMV_ETC_CONTTR_STR-PRODUCT sy-vline 
WA_ECRMV_ETC_CONTTR_STR-DESCRIPTION sy-vline 
WA_ECRMV_ETC_CONTTR_STR-NUMBER_INT sy-vline 
WA_ECRMV_ETC_CONTTR_STR-TYPE sy-vline 
WA_ECRMV_ETC_CONTTR_STR-RECORD sy-vline 
WA_ECRMV_ETC_CONTTR_STR-TR_LINE_TYPE sy-vline 
WA_ECRMV_ETC_CONTTR_STR-TR_TYPE sy-vline 
WA_ECRMV_ETC_CONTTR_STR-TR_OBJ_ID sy-vline 
WA_ECRMV_ETC_CONTTR_STR-TR_DERIVED sy-vline 
WA_ECRMV_ETC_CONTTR_STR-TR_VALID_FROM sy-vline 
WA_ECRMV_ETC_CONTTR_STR-TR_VALID_TO sy-vline 
WA_ECRMV_ETC_CONTTR_STR-TR_SLOT sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.