ABAP Select data from SAP table EECRM_ISUCONTRACTPOSX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EECRM_ISUCONTRACTPOSX
*  INTO TABLE @DATA(IT_EECRM_ISUCONTRACTPOSX2).
*--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_EECRM_ISUCONTRACTPOSX INDEX 1 INTO DATA(WA_EECRM_ISUCONTRACTPOSX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EECRM_ISUCONTRACTPOSX>-GUID_H = 1.
<EECRM_ISUCONTRACTPOSX>-GUID_I = 1.
<EECRM_ISUCONTRACTPOSX>-UPDATEFLAG = 1.
<EECRM_ISUCONTRACTPOSX>-VAL_PER = 1.
<EECRM_ISUCONTRACTPOSX>-VAL_PER_UN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EECRM_ISUCONTRACTPOSX-VAL_PER_CA, sy-vline,
  WA_EECRM_ISUCONTRACTPOSX-INST_DATE, sy-vline,
  WA_EECRM_ISUCONTRACTPOSX-ACCEPT_DAT, sy-vline,
  WA_EECRM_ISUCONTRACTPOSX-CON_ST_DAT, sy-vline,
  WA_EECRM_ISUCONTRACTPOSX-CON_SI_DAT, sy-vline,
  WA_EECRM_ISUCONTRACTPOSX-CANC_PROC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EECRM_ISUCONTRACTPOSX 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_EECRM_ISUCONTRACTPOSX 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_EECRM_ISUCONTRACTPOSX INTO WA_EECRM_ISUCONTRACTPOSX.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_EECRM_ISUCONTRACTPOSX_STR, 
GUID_H TYPE STRING,
GUID_I TYPE STRING,
UPDATEFLAG TYPE STRING,
VAL_PER TYPE STRING,
VAL_PER_UN TYPE STRING,
VAL_PER_CA TYPE STRING,
INST_DATE TYPE STRING,
ACCEPT_DAT TYPE STRING,
CON_ST_DAT TYPE STRING,
CON_SI_DAT TYPE STRING,
CANC_PROC TYPE STRING,
CON_EN_ACT TYPE STRING,
CANC_R_DAT TYPE STRING,
R_CANC_DAT TYPE STRING,
CANC_PARTY TYPE STRING,
CANCREASON TYPE STRING,
CON_EN_DAT TYPE STRING,
CANC_DOC TYPE STRING,
CANCDOCDAT TYPE STRING,
CON_ST_RUL TYPE STRING,
DISM_DATE TYPE STRING,
ACTION_DAT TYPE STRING,
ACT_DATRUL TYPE STRING,
CON_EN_RUL TYPE STRING,
BU_PARTNER_GUID TYPE STRING,
BUAG_GUID TYPE STRING,
SALES_PRODUCT TYPE STRING,
IBASE_NODE TYPE STRING,
CAMPAIGN TYPE STRING,
CAMPAIGN_TO_DATE TYPE STRING,
SALES_ORG_RESP TYPE STRING,
SALES_ORG TYPE STRING,
DISTRIBUTION_CHANNEL TYPE STRING,
SALES_OFFICE TYPE STRING,
SALES_GROUP TYPE STRING,
SERVICE_ORG_RESP TYPE STRING,
SERVICE_ORG TYPE STRING,
PROCESS_TYPE TYPE STRING,
KENNZ1 TYPE STRING,
KENNZ2 TYPE STRING,
KENNZ3 TYPE STRING,
COUNTER TYPE STRING,
PROZKZ TYPE STRING,
GUID TYPE STRING,
STRING TYPE STRING,
VETRAG_NR TYPE STRING,
POS_NR TYPE STRING,
PRODUCT_GUID TYPE STRING,
BUPA_NR TYPE STRING,
CON_ST_TIME TYPE STRING,
CON_END_TIME TYPE STRING,
TIME_ZONE TYPE STRING,
TPLNR TYPE STRING,
CANC_PARTY_NEW TYPE STRING,
CANCREASON_NEW TYPE STRING,
VAL_PER_UN_NEW TYPE STRING,
DATE1 TYPE STRING,
DATE2 TYPE STRING,
DATE3 TYPE STRING,
DATE4 TYPE STRING,
DATE5 TYPE STRING,
VAL_PER_UN1 TYPE STRING,
VAL_PER_UN2 TYPE STRING,
VAL_PER_UN3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EECRM_ISUCONTRACTPOSX_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_EECRM_ISUCONTRACTPOSX_STR-GUID_H sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-GUID_I sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-UPDATEFLAG sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-VAL_PER sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-VAL_PER_UN sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-VAL_PER_CA sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-INST_DATE sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-ACCEPT_DAT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CON_ST_DAT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CON_SI_DAT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CANC_PROC sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CON_EN_ACT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CANC_R_DAT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-R_CANC_DAT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CANC_PARTY sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CANCREASON sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CON_EN_DAT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CANC_DOC sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CANCDOCDAT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CON_ST_RUL sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-DISM_DATE sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-ACTION_DAT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-ACT_DATRUL sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CON_EN_RUL sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-BU_PARTNER_GUID sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-BUAG_GUID sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-SALES_PRODUCT sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-IBASE_NODE sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CAMPAIGN sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CAMPAIGN_TO_DATE sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-SALES_ORG_RESP sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-SALES_ORG sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-DISTRIBUTION_CHANNEL sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-SALES_OFFICE sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-SALES_GROUP sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-SERVICE_ORG_RESP sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-SERVICE_ORG sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-PROCESS_TYPE sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-KENNZ1 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-KENNZ2 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-KENNZ3 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-COUNTER sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-PROZKZ sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-GUID sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-STRING sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-VETRAG_NR sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-POS_NR sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-PRODUCT_GUID sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-BUPA_NR sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CON_ST_TIME sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CON_END_TIME sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-TIME_ZONE sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-TPLNR sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CANC_PARTY_NEW sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-CANCREASON_NEW sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-VAL_PER_UN_NEW sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-DATE1 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-DATE2 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-DATE3 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-DATE4 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-DATE5 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-VAL_PER_UN1 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-VAL_PER_UN2 sy-vline 
WA_EECRM_ISUCONTRACTPOSX_STR-VAL_PER_UN3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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