ABAP Select data from SAP table ISU01_CONTRACT_CHECK into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISU01_CONTRACT_CHECK 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 ISU01_CONTRACT_CHECK. 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 ISU01_CONTRACT_CHECK 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_ISU01_CONTRACT_CHECK TYPE STANDARD TABLE OF ISU01_CONTRACT_CHECK,
      WA_ISU01_CONTRACT_CHECK TYPE ISU01_CONTRACT_CHECK,
      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: <ISU01_CONTRACT_CHECK> TYPE ISU01_CONTRACT_CHECK.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISU01_CONTRACT_CHECK.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISU01_CONTRACT_CHECK
  INTO TABLE IT_ISU01_CONTRACT_CHECK.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU01_CONTRACT_CHECK
*  INTO TABLE @DATA(IT_ISU01_CONTRACT_CHECK2).
*--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_ISU01_CONTRACT_CHECK INDEX 1 INTO DATA(WA_ISU01_CONTRACT_CHECK2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISU01_CONTRACT_CHECK ASSIGNING <ISU01_CONTRACT_CHECK>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU01_CONTRACT_CHECK>-PBO_COPACONT_BUKRS = 1.
<ISU01_CONTRACT_CHECK>-C_NOT_FIRST = 1.
<ISU01_CONTRACT_CHECK>-S_TABSTRIP_OPEN = 1.
<ISU01_CONTRACT_CHECK>-C_BUKRS_KONZVER = 1.
<ISU01_CONTRACT_CHECK>-C_PYPLS = 1.

ENDLOOP.

LOOP AT IT_ISU01_CONTRACT_CHECK INTO WA_ISU01_CONTRACT_CHECK.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU01_CONTRACT_CHECK-C_PYPLT, sy-vline,
  WA_ISU01_CONTRACT_CHECK-C_MAHNV, sy-vline,
  WA_ISU01_CONTRACT_CHECK-C_TXJCD, sy-vline,
  WA_ISU01_CONTRACT_CHECK-TXJDC, sy-vline,
  WA_ISU01_CONTRACT_CHECK-ANLAGE, sy-vline,
  WA_ISU01_CONTRACT_CHECK-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU01_CONTRACT_CHECK 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_ISU01_CONTRACT_CHECK 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_ISU01_CONTRACT_CHECK INTO WA_ISU01_CONTRACT_CHECK.


*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 ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU01_CONTRACT_CHECK-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU01_CONTRACT_CHECK-ANLAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VKONTO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU01_CONTRACT_CHECK-VKONTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU01_CONTRACT_CHECK-VKONTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU01_CONTRACT_CHECK-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU01_CONTRACT_CHECK-ANLAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU01_CONTRACT_CHECK-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU01_CONTRACT_CHECK-ANLAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU01_CONTRACT_CHECK-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU01_CONTRACT_CHECK-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU01_CONTRACT_CHECK-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU01_CONTRACT_CHECK-ANLAGE.
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_ISU01_CONTRACT_CHECK_STR, 
PBO_COPACONT_BUKRS TYPE STRING,
C_NOT_FIRST TYPE STRING,
S_TABSTRIP_OPEN TYPE STRING,
C_BUKRS_KONZVER TYPE STRING,
C_PYPLS TYPE STRING,
C_PYPLT TYPE STRING,
C_MAHNV TYPE STRING,
C_TXJCD TYPE STRING,
TXJDC TYPE STRING,
ANLAGE TYPE STRING,
BUKRS TYPE STRING,
TXJCD_CHECK_EXTERN TYPE STRING,
TXJCD_CHECK_ACTIVE TYPE STRING,
C_KZABSVER TYPE STRING,
KZABSVER TYPE STRING,
VKONTO TYPE STRING,
BUKRS TYPE STRING,
C_SERVICEID TYPE STRING,
BUKRS TYPE STRING,
ANLAGE TYPE STRING,
SERVICEID TYPE STRING,
GEMFAKT TYPE STRING,
SERVPROV_PAY TYPE STRING,
INVOICING_PARTY TYPE STRING,
SRVPRVREF TYPE STRING,
C_PORTION TYPE STRING,
ANLAGE TYPE STRING,
PORTION TYPE STRING,
KZABSVER TYPE STRING,
C_AUTHORITY TYPE STRING,
SPARTE TYPE STRING,
BEGRU TYPE STRING,
BUKRS TYPE STRING,
C_PRCTR TYPE STRING,
BUKRS TYPE STRING,
PRCTR TYPE STRING,
C_ABSZYK TYPE STRING,
ABSZYK TYPE STRING,
ANLAGE TYPE STRING,
PORTION TYPE STRING,
C_COKEY TYPE STRING,
COKEY TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
C_OSB_GROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU01_CONTRACT_CHECK_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_ISU01_CONTRACT_CHECK_STR-PBO_COPACONT_BUKRS sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_NOT_FIRST sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-S_TABSTRIP_OPEN sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_BUKRS_KONZVER sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_PYPLS sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_PYPLT sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_MAHNV sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_TXJCD sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-TXJDC sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-ANLAGE sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-BUKRS sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-TXJCD_CHECK_EXTERN sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-TXJCD_CHECK_ACTIVE sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_KZABSVER sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-KZABSVER sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-VKONTO sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-BUKRS sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_SERVICEID sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-BUKRS sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-ANLAGE sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-SERVICEID sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-GEMFAKT sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-SERVPROV_PAY sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-INVOICING_PARTY sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-SRVPRVREF sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_PORTION sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-ANLAGE sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-PORTION sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-KZABSVER sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_AUTHORITY sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-SPARTE sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-BEGRU sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-BUKRS sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_PRCTR sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-BUKRS sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-PRCTR sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_ABSZYK sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-ABSZYK sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-ANLAGE sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-PORTION sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_COKEY sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-COKEY sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-BUKRS sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-GSBER sy-vline 
WA_ISU01_CONTRACT_CHECK_STR-C_OSB_GROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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