ABAP Select data from SAP table CPRATPRD into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CPRATPRD 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 CPRATPRD. 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 CPRATPRD 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_CPRATPRD TYPE STANDARD TABLE OF CPRATPRD,
      WA_CPRATPRD TYPE CPRATPRD,
      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: <CPRATPRD> TYPE CPRATPRD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPRATPRD
*  INTO TABLE @DATA(IT_CPRATPRD2).
*--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_CPRATPRD INDEX 1 INTO DATA(WA_CPRATPRD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPRATPRD>-MANDT = 1.
<CPRATPRD>-PRATSTALLOCVERSION = 1.
<CPRATPRD>-WELLCOMPLTNVOLDOC = 1.
<CPRATPRD>-WELLCOMPLTNVOLDOCYR = 1.
<CPRATPRD>-DELIVERYNETWORK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPRATPRD-PRODUCTIONDATE, sy-vline,
  WA_CPRATPRD-MAJORPRODUCT, sy-vline,
  WA_CPRATPRD-MATERIAL, sy-vline,
  WA_CPRATPRD-WELL, sy-vline,
  WA_CPRATPRD-WELLCOMPLETION, sy-vline,
  WA_CPRATPRD-VOLUMETYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPRATPRD 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_CPRATPRD 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_CPRATPRD INTO WA_CPRATPRD.


*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 WELLCOMPLTNVOLDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPRATPRD-WELLCOMPLTNVOLDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRATPRD-WELLCOMPLTNVOLDOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field WELLCOMPLTNVOLDOCYR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CPRATPRD-WELLCOMPLTNVOLDOCYR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRATPRD-WELLCOMPLTNVOLDOCYR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CPRATPRD-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRATPRD-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field STANDARDVOLUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPRATPRD-STANDARDVOLUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRATPRD-STANDARDVOLUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ENERGYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPRATPRD-ENERGYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRATPRD-ENERGYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field HEATINGVALUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPRATPRD-HEATINGVALUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRATPRD-HEATINGVALUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field BASELINEMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CPRATPRD-BASELINEMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRATPRD-BASELINEMATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field STANDARDDENSITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPRATPRD-STANDARDDENSITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRATPRD-STANDARDDENSITYUNIT.
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_CPRATPRD_STR, 
MANDT TYPE STRING,
PRATSTALLOCVERSION TYPE STRING,
WELLCOMPLTNVOLDOC TYPE STRING,
WELLCOMPLTNVOLDOCYR TYPE STRING,
DELIVERYNETWORK TYPE STRING,
PRODUCTIONDATE TYPE STRING,
MAJORPRODUCT TYPE STRING,
MATERIAL TYPE STRING,
WELL TYPE STRING,
WELLCOMPLETION TYPE STRING,
VOLUMETYPE TYPE STRING,
TICKETNUMBER TYPE STRING,
TRANSPORTER TYPE STRING,
EFFECTIVEVALIDITYSTARTDATE TYPE STRING,
INVENTORYDATE TYPE STRING,
ORIGINATINGMEASUREMENTPT TYPE STRING,
ACTUALVOLUMESTSCRITLTY TYPE STRING,
BASELINESTANDARDVOLUME TYPE STRING,
STANDARDVOLUME TYPE STRING,
STANDARDVOLUNIT TYPE STRING,
ACTUALENERGYSTSCRITLTY TYPE STRING,
BASELINEENERGY TYPE STRING,
ENERGY TYPE STRING,
ENERGYUNIT TYPE STRING,
ACTUALHEATINGVALUESTSCRITLTY TYPE STRING,
BASELINEHEATINGVALUE TYPE STRING,
HEATINGVALUE TYPE STRING,
HEATINGVALUNIT TYPE STRING,
BSLNNMBROFDAYSPRODUCED TYPE STRING,
NMBROFDAYSPRODUCED TYPE STRING,
BASELINEMATERIAL TYPE STRING,
STDDENSSTSCRITLTY TYPE STRING,
BASELINESTANDARDDENSITY TYPE STRING,
STANDARDDENSITY TYPE STRING,
STANDARDDENSITYUNIT TYPE STRING,
PRODNDETSTATUSTEXT TYPE STRING,
PRAPRODNALLOCRSLTSCRITLTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPRATPRD_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_CPRATPRD_STR-MANDT sy-vline 
WA_CPRATPRD_STR-PRATSTALLOCVERSION sy-vline 
WA_CPRATPRD_STR-WELLCOMPLTNVOLDOC sy-vline 
WA_CPRATPRD_STR-WELLCOMPLTNVOLDOCYR sy-vline 
WA_CPRATPRD_STR-DELIVERYNETWORK sy-vline 
WA_CPRATPRD_STR-PRODUCTIONDATE sy-vline 
WA_CPRATPRD_STR-MAJORPRODUCT sy-vline 
WA_CPRATPRD_STR-MATERIAL sy-vline 
WA_CPRATPRD_STR-WELL sy-vline 
WA_CPRATPRD_STR-WELLCOMPLETION sy-vline 
WA_CPRATPRD_STR-VOLUMETYPE sy-vline 
WA_CPRATPRD_STR-TICKETNUMBER sy-vline 
WA_CPRATPRD_STR-TRANSPORTER sy-vline 
WA_CPRATPRD_STR-EFFECTIVEVALIDITYSTARTDATE sy-vline 
WA_CPRATPRD_STR-INVENTORYDATE sy-vline 
WA_CPRATPRD_STR-ORIGINATINGMEASUREMENTPT sy-vline 
WA_CPRATPRD_STR-ACTUALVOLUMESTSCRITLTY sy-vline 
WA_CPRATPRD_STR-BASELINESTANDARDVOLUME sy-vline 
WA_CPRATPRD_STR-STANDARDVOLUME sy-vline 
WA_CPRATPRD_STR-STANDARDVOLUNIT sy-vline 
WA_CPRATPRD_STR-ACTUALENERGYSTSCRITLTY sy-vline 
WA_CPRATPRD_STR-BASELINEENERGY sy-vline 
WA_CPRATPRD_STR-ENERGY sy-vline 
WA_CPRATPRD_STR-ENERGYUNIT sy-vline 
WA_CPRATPRD_STR-ACTUALHEATINGVALUESTSCRITLTY sy-vline 
WA_CPRATPRD_STR-BASELINEHEATINGVALUE sy-vline 
WA_CPRATPRD_STR-HEATINGVALUE sy-vline 
WA_CPRATPRD_STR-HEATINGVALUNIT sy-vline 
WA_CPRATPRD_STR-BSLNNMBROFDAYSPRODUCED sy-vline 
WA_CPRATPRD_STR-NMBROFDAYSPRODUCED sy-vline 
WA_CPRATPRD_STR-BASELINEMATERIAL sy-vline 
WA_CPRATPRD_STR-STDDENSSTSCRITLTY sy-vline 
WA_CPRATPRD_STR-BASELINESTANDARDDENSITY sy-vline 
WA_CPRATPRD_STR-STANDARDDENSITY sy-vline 
WA_CPRATPRD_STR-STANDARDDENSITYUNIT sy-vline 
WA_CPRATPRD_STR-PRODNDETSTATUSTEXT sy-vline 
WA_CPRATPRD_STR-PRAPRODNALLOCRSLTSCRITLTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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