SAP ISH_CHECK_FIELD_TYPE Function Module for

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ISH_CHECK_FIELD_TYPE is a standard ish check field type SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for ish check field type FM, simply by entering the name ISH_CHECK_FIELD_TYPE into the relevant SAP transaction such as SE37 or SE38.

Function Group: N002
Program Name: SAPLN002
Main Program: SAPLN002
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Remote-Enabled
Update:

Function ISH_CHECK_FIELD_TYPE pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'ISH_CHECK_FIELD_TYPE'"
  EXPORTING
   DECIMALPLACES =  "Number of decimal places
   INPUT =  "Input string
   INPUT_TYPE =  "Type of input string
   LENGTH =  "Number of allowed input characters
*  LR_SCREEN = 'R' "Left/right justified screen output
*  SCREEN_OR_DB = 'S' "Input source

 IMPORTING
   SCREEN =  "Screen display
   STORAGE =  "DB storage

EXCEPTIONS
   INPUT_TOO_LONG = 1    NOT_NUMERIC = 2    NO_DECIMALPOINT = 3    PARAM_DECIMALPLACES_WRONG = 4    PARAM_LENGTH_WRONG = 5    TOO_MANY_DECIMALPLACES = 6    WRONG_INPUT_SOURCE = 7    WRONG_INPUT_TYPE = 8 

.

IMPORTING Parameters details for ISH_CHECK_FIELD_TYPE

DECIMALPLACES - Number of decimal places

Data type: NTSI-SPKOM
Optional: No
Call by Reference: No ( called with pass by value option)

INPUT - Input string

Data type: NTSP-TWERT
Optional: No
Call by Reference: No ( called with pass by value option)

INPUT_TYPE - Type of input string

Data type: NTSI-SPTYP
Optional: No
Call by Reference: No ( called with pass by value option)

LENGTH - Number of allowed input characters

Data type: NTSI-SPLEN
Optional: No
Call by Reference: No ( called with pass by value option)

LR_SCREEN - Left/right justified screen output

Data type: CHAR1
Default: 'R'
Optional: Yes
Call by Reference: No ( called with pass by value option)

SCREEN_OR_DB - Input source

Data type: CHAR1
Default: 'S'
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for ISH_CHECK_FIELD_TYPE

SCREEN - Screen display

Data type: NTSP-TWERT
Optional: No
Call by Reference: No ( called with pass by value option)

STORAGE - DB storage

Data type: NTSP-TWERT
Optional: No
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

INPUT_TOO_LONG - Input too long

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

NOT_NUMERIC - Input string is not numeric

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

NO_DECIMALPOINT - Decimal point not supported

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

PARAM_DECIMALPLACES_WRONG - Parameter DECIMALPLACES incompatible

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

PARAM_LENGTH_WRONG - Parameter LENGTH incompatible

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

TOO_MANY_DECIMALPLACES - Too many decimal places

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

WRONG_INPUT_SOURCE - Illegal input source

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

WRONG_INPUT_TYPE - Illegal input type

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for ISH_CHECK_FIELD_TYPE Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM ISH_CHECK_FIELD_TYPE

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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