SAP CR_WORKCENTER_PRE_READ Function Module for Read work centers in buffer
CR_WORKCENTER_PRE_READ is a standard cr workcenter pre 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 work centers in buffer 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 cr workcenter pre read FM, simply by entering the name CR_WORKCENTER_PRE_READ into the relevant SAP transaction such as SE37 or SE38.
Function Group: CR01
Program Name: SAPLCR01
Main Program: SAPLCR01
Appliation area: M
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CR_WORKCENTER_PRE_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 'CR_WORKCENTER_PRE_READ'"Read work centers in buffer.
EXPORTING
* CAP_ALL = ' ' "Pre-read of all capacities
* CAP_AVAIL = 'X' "If capacity read, then also with quotation
* CAP_BAS = ' ' "Pre-read scheduling capacities
* VIEW_RCR01 = ' ' "Access is carried out with view RCR01
* NO_TEXTS = ' ' "
TABLES
* TARBID = "Table of the work center IDs
* THROID = "
* RANGE_ARBPL = "
* RANGE_WERKS = "
EXCEPTIONS
WRONG_SELECTION = 1
IMPORTING Parameters details for CR_WORKCENTER_PRE_READ
CAP_ALL - Pre-read of all capacities
Data type: CDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
CAP_AVAIL - If capacity read, then also with quotation
Data type: CDefault: 'X'
Optional: Yes
Call by Reference: No ( called with pass by value option)
CAP_BAS - Pre-read scheduling capacities
Data type: CDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
VIEW_RCR01 - Access is carried out with view RCR01
Data type: CDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
NO_TEXTS -
Data type: CDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
TABLES Parameters details for CR_WORKCENTER_PRE_READ
TARBID - Table of the work center IDs
Data type: CRIDOptional: Yes
Call by Reference: No ( called with pass by value option)
THROID -
Data type: CRIDOptional: Yes
Call by Reference: No ( called with pass by value option)
RANGE_ARBPL -
Data type: RANGE_C8Optional: Yes
Call by Reference: No ( called with pass by value option)
RANGE_WERKS -
Data type: RANGE_C4Optional: Yes
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
WRONG_SELECTION -
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for CR_WORKCENTER_PRE_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: | ||||
| lt_tarbid | TYPE STANDARD TABLE OF CRID, " | |||
| lv_cap_all | TYPE C, " SPACE | |||
| lv_wrong_selection | TYPE C, " | |||
| lt_throid | TYPE STANDARD TABLE OF CRID, " | |||
| lv_cap_avail | TYPE C, " 'X' | |||
| lv_cap_bas | TYPE C, " SPACE | |||
| lt_range_arbpl | TYPE STANDARD TABLE OF RANGE_C8, " | |||
| lv_view_rcr01 | TYPE C, " SPACE | |||
| lt_range_werks | TYPE STANDARD TABLE OF RANGE_C4, " | |||
| lv_no_texts | TYPE C. " SPACE |
|   CALL FUNCTION 'CR_WORKCENTER_PRE_READ' "Read work centers in buffer |
| EXPORTING | ||
| CAP_ALL | = lv_cap_all | |
| CAP_AVAIL | = lv_cap_avail | |
| CAP_BAS | = lv_cap_bas | |
| VIEW_RCR01 | = lv_view_rcr01 | |
| NO_TEXTS | = lv_no_texts | |
| TABLES | ||
| TARBID | = lt_tarbid | |
| THROID | = lt_throid | |
| RANGE_ARBPL | = lt_range_arbpl | |
| RANGE_WERKS | = lt_range_werks | |
| EXCEPTIONS | ||
| WRONG_SELECTION = 1 | ||
| . " CR_WORKCENTER_PRE_READ | ||
ABAP code using 7.40 inline data declarations to call FM CR_WORKCENTER_PRE_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.| DATA(ld_cap_all) | = ' '. | |||
| DATA(ld_cap_avail) | = 'X'. | |||
| DATA(ld_cap_bas) | = ' '. | |||
| DATA(ld_view_rcr01) | = ' '. | |||
| DATA(ld_no_texts) | = ' '. | |||
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