SNC driver PowerBuilder bit data type issues

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Resolved SNC driver PowerBuilder bit data type issues

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Daniel Seguin
PowerBuilder
Thursday, 3 April 2025 02:37 PM UTC

Hello,

did anyone encounter issues with SNC driver PowerBuilder bit data type issues when using PB 2017.

Yes I did suggest to migrate to PB 2022 or 2025 before doing data migration from sybase to sql server.

So I am still using version PB 2017 with SNC

Here is what I found so far:

Copilot

The issue with the SNC driver and the bit data type in PowerBuilder often stems from how the driver interprets boolean values. Here are some key points:

Conversion of Values: The SNC driver sometimes converts bit values (1 and 0) to -1 and 0, respectively

1
. This can cause issues when the application expects 1 for true and 0 for false.
StaticBind Parameter: Setting the StaticBind parameter in the SQLCA's DBParm field to 0 can help resolve this issue

2
. This forces the driver to handle the bit data type correctly. Example:
```
SQLCA.DBParm="StaticBind=0"  




When I added that binding value to the dbparm of the ini file, it did not work
dbparm= "ASYNC=1,DateTimeAllowed = 'Yes', PWEncrypt = 'NO', FetchArraySize=1000, database=disis2, StaticBind=0" 

But when I applied copilot's idead of value 1 being changed to -1 that worked
```
String ls_filter
```
 
```
String ls_ColumnName
```
 
```
Boolean lb_columnexists = false
```
 
```
```
 
```
ls_ColumnName = dw_1.Describe("active_flag.Name")
```
 
```
IF ls_ColumnName = "active_flag" THEN
```
 
```
lb_columnexists = true
```
 
```
END IF
```
 
```
```
 
```
IF this.checked THEN
```
 
```
// display active only records
```
 
```
ls_filter = "active_flag = 1 or active_flag = -1"
```
 
```
//ls_filter = "active_flag = 1"
```
 
```
dw_1.SetFilter(ls_filter)
```
 
```
dw_1.Filter()
```
 
```
dw_1.TriggerEvent(RowFocusChanged!)
```
 
```
ELSE
```
 
```
if lb_columnexists then
```
 
```
// display active and not active records
```
 
```
ls_filter = "active_flag = 0 or active_flag = 1 or active_flag = -1"
```
 
```
//ls_filter = "active_flag = 0 or active_flag = 1"
```
 
```
else
```
 
```
ls_filter = ""
```
 
```
end if
```
 
```
dw_1.SetFilter(ls_filter)
```
 
```
dw_1.Filter()
```
 
```
dw_1.TriggerEvent(RowFocusChanged!)
```
 
```
END IF
```
 
```

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