ABAP Select data from SAP table VJJTPCEA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VJJTPCEA
*  INTO TABLE @DATA(IT_VJJTPCEA2).
*--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_VJJTPCEA INDEX 1 INTO DATA(WA_VJJTPCEA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VJJTPCEA>-MANDT = 1.
<VJJTPCEA>-PACKAGE_ID = 1.
<VJJTPCEA>-PK_ELEMENT_ID = 1.
<VJJTPCEA>-PSTYV = 1.
<VJJTPCEA>-BOOKING_UNIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VJJTPCEA-CONT_COMP_LEV1, sy-vline,
  WA_VJJTPCEA-BUS_CONT_COMP, sy-vline,
  WA_VJJTPCEA-TECH_COMP_LEV1, sy-vline,
  WA_VJJTPCEA-TECH_CONT_COMP, sy-vline,
  WA_VJJTPCEA-SPEC_CONT_COMP, sy-vline,
  WA_VJJTPCEA-AD_DESIGN_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VJJTPCEA 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_VJJTPCEA 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_VJJTPCEA INTO WA_VJJTPCEA.


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

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

*Conversion exit ALPHA, internal->external for field CONT_COMP_LEV1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VJJTPCEA-CONT_COMP_LEV1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VJJTPCEA-CONT_COMP_LEV1.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field TECH_COMP_LEV1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VJJTPCEA-TECH_COMP_LEV1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VJJTPCEA-TECH_COMP_LEV1.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit TERMT, internal->external for field DATE_CATEGORY
CALL FUNCTION 'CONVERSION_EXIT_TERMT_OUTPUT'
  EXPORTING
    input =                      WA_VJJTPCEA-DATE_CATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VJJTPCEA-DATE_CATEGORY.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field WIDTH_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VJJTPCEA-WIDTH_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VJJTPCEA-WIDTH_UOM.
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_VJJTPCEA_STR, 
MANDT TYPE STRING,
PACKAGE_ID TYPE STRING,
PK_ELEMENT_ID TYPE STRING,
PSTYV TYPE STRING,
BOOKING_UNIT TYPE STRING,
CONT_COMP_LEV1 TYPE STRING,
BUS_CONT_COMP TYPE STRING,
TECH_COMP_LEV1 TYPE STRING,
TECH_CONT_COMP TYPE STRING,
SPEC_CONT_COMP TYPE STRING,
AD_DESIGN_TYPE TYPE STRING,
AD_FIXED_FORMAT TYPE STRING,
AD_COLOR_SCHEME TYPE STRING,
AD_SHAPE TYPE STRING,
POS_INSTRUCTION TYPE STRING,
POS_AD_TYPE TYPE STRING,
AD_SPEC_HANDLING TYPE STRING,
DATE_SPEC TYPE STRING,
DATE_CATEGORY TYPE STRING,
PUBL_FREQUENCY TYPE STRING,
WEB_PUBLICATION TYPE STRING,
MONDAY TYPE STRING,
TUESDAY TYPE STRING,
WEDNESDAY TYPE STRING,
THURSDAY TYPE STRING,
FRIDAY TYPE STRING,
SATURDAY TYPE STRING,
SUNDAY TYPE STRING,
PLAN_HEIGHT TYPE STRING,
HEIGHT_UOM TYPE STRING,
PLAN_WIDTH TYPE STRING,
WIDTH_UOM TYPE STRING,
NUM_OF_PUBL TYPE STRING,
PUBL_DURATION TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VJJTPCEA_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_VJJTPCEA_STR-MANDT sy-vline 
WA_VJJTPCEA_STR-PACKAGE_ID sy-vline 
WA_VJJTPCEA_STR-PK_ELEMENT_ID sy-vline 
WA_VJJTPCEA_STR-PSTYV sy-vline 
WA_VJJTPCEA_STR-BOOKING_UNIT sy-vline 
WA_VJJTPCEA_STR-CONT_COMP_LEV1 sy-vline 
WA_VJJTPCEA_STR-BUS_CONT_COMP sy-vline 
WA_VJJTPCEA_STR-TECH_COMP_LEV1 sy-vline 
WA_VJJTPCEA_STR-TECH_CONT_COMP sy-vline 
WA_VJJTPCEA_STR-SPEC_CONT_COMP sy-vline 
WA_VJJTPCEA_STR-AD_DESIGN_TYPE sy-vline 
WA_VJJTPCEA_STR-AD_FIXED_FORMAT sy-vline 
WA_VJJTPCEA_STR-AD_COLOR_SCHEME sy-vline 
WA_VJJTPCEA_STR-AD_SHAPE sy-vline 
WA_VJJTPCEA_STR-POS_INSTRUCTION sy-vline 
WA_VJJTPCEA_STR-POS_AD_TYPE sy-vline 
WA_VJJTPCEA_STR-AD_SPEC_HANDLING sy-vline 
WA_VJJTPCEA_STR-DATE_SPEC sy-vline 
WA_VJJTPCEA_STR-DATE_CATEGORY sy-vline 
WA_VJJTPCEA_STR-PUBL_FREQUENCY sy-vline 
WA_VJJTPCEA_STR-WEB_PUBLICATION sy-vline 
WA_VJJTPCEA_STR-MONDAY sy-vline 
WA_VJJTPCEA_STR-TUESDAY sy-vline 
WA_VJJTPCEA_STR-WEDNESDAY sy-vline 
WA_VJJTPCEA_STR-THURSDAY sy-vline 
WA_VJJTPCEA_STR-FRIDAY sy-vline 
WA_VJJTPCEA_STR-SATURDAY sy-vline 
WA_VJJTPCEA_STR-SUNDAY sy-vline 
WA_VJJTPCEA_STR-PLAN_HEIGHT sy-vline 
WA_VJJTPCEA_STR-HEIGHT_UOM sy-vline 
WA_VJJTPCEA_STR-PLAN_WIDTH sy-vline 
WA_VJJTPCEA_STR-WIDTH_UOM sy-vline 
WA_VJJTPCEA_STR-NUM_OF_PUBL sy-vline 
WA_VJJTPCEA_STR-PUBL_DURATION sy-vline 
WA_VJJTPCEA_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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