SAP CN_DB_MLST_READ Function Module for Read milestones from database
CN_DB_MLST_READ is a standard cn db mlst read SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Read milestones from database processing and below is the pattern details for this FM, 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 cn db mlst read FM, simply by entering the name CN_DB_MLST_READ into the relevant SAP transaction such as SE37 or SE38.
Function Group: CNDB
Program Name: SAPLCNDB
Main Program: SAPLCNDB
Appliation area: C
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CN_DB_MLST_READ 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 'CN_DB_MLST_READ'"Read milestones from database.
EXPORTING
PLNNR = "selected task list number
PLNTY = "selected task list type
* DATUB = "Latest date limit for DB selection
* DATUV = "Earliest date limit for DB selection
IMPORTING
ZAEHL_MAX = "Max. change counter
TABLES
PLANMST = "
EXCEPTIONS
NO_RECORDS = 1
IMPORTING Parameters details for CN_DB_MLST_READ
PLNNR - selected task list number
Data type: MLST-PLNNROptional: No
Call by Reference: No ( called with pass by value option)
PLNTY - selected task list type
Data type: MLST-PLNTYOptional: No
Call by Reference: No ( called with pass by value option)
DATUB - Latest date limit for DB selection
Data type: PLKO-DATUVOptional: Yes
Call by Reference: No ( called with pass by value option)
DATUV - Earliest date limit for DB selection
Data type: PLKO-DATUVOptional: Yes
Call by Reference: No ( called with pass by value option)
EXPORTING Parameters details for CN_DB_MLST_READ
ZAEHL_MAX - Max. change counter
Data type: PLMZ-ZAEHLOptional: No
Call by Reference: No ( called with pass by value option)
TABLES Parameters details for CN_DB_MLST_READ
PLANMST -
Data type: MLSTBOptional: No
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
NO_RECORDS - No records exist for selected task list no.
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for CN_DB_MLST_READ 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.| DATA: | ||||
| lv_plnnr | TYPE MLST-PLNNR, " | |||
| lt_planmst | TYPE STANDARD TABLE OF MLSTB, " | |||
| lv_zaehl_max | TYPE PLMZ-ZAEHL, " | |||
| lv_no_records | TYPE PLMZ, " | |||
| lv_plnty | TYPE MLST-PLNTY, " | |||
| lv_datub | TYPE PLKO-DATUV, " | |||
| lv_datuv | TYPE PLKO-DATUV. " |
|   CALL FUNCTION 'CN_DB_MLST_READ' "Read milestones from database |
| EXPORTING | ||
| PLNNR | = lv_plnnr | |
| PLNTY | = lv_plnty | |
| DATUB | = lv_datub | |
| DATUV | = lv_datuv | |
| IMPORTING | ||
| ZAEHL_MAX | = lv_zaehl_max | |
| TABLES | ||
| PLANMST | = lt_planmst | |
| EXCEPTIONS | ||
| NO_RECORDS = 1 | ||
| . " CN_DB_MLST_READ | ||
ABAP code using 7.40 inline data declarations to call FM CN_DB_MLST_READ
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.| "SELECT single PLNNR FROM MLST INTO @DATA(ld_plnnr). | ||||
| "SELECT single ZAEHL FROM PLMZ INTO @DATA(ld_zaehl_max). | ||||
| "SELECT single PLNTY FROM MLST INTO @DATA(ld_plnty). | ||||
| "SELECT single DATUV FROM PLKO INTO @DATA(ld_datub). | ||||
| "SELECT single DATUV FROM PLKO INTO @DATA(ld_datuv). | ||||
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