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Posted to issues@arrow.apache.org by "frbvianna (via GitHub)" <gi...@apache.org> on 2025/02/21 20:36:21 UTC
[I] go/adbc/driver/snowflake: GetObjects panics while retrieving table columns of vector type [arrow-adbc]
frbvianna opened a new issue, #2544:
URL: https://github.com/apache/arrow-adbc/issues/2544
### What happened?
When a table contains a column of VECTOR data type, the driver panics:
`panic: runtime error: invalid memory address or nil pointer dereference`
To my understanding, this is not a [supported type](https://arrow.apache.org/adbc/current/driver/snowflake.html#type-support) by this driver or Go clients in general.
However, the driver could return a clearer error message.
### Stack Trace
```
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x2 addr=0x20 pc=0x103f614c0]
goroutine 74 [running]:
github.com/apache/arrow-adbc/go/adbc/driver/internal/driverbase.ToXdbcDataType({0x0, 0x0})
/Users/<redacted>/go/pkg/mod/github.com/apache/arrow-adbc/go/adbc@v1.4.0/driver/internal/driverbase/connection.go:703 +0x20
github.com/apache/arrow-adbc/go/adbc/driver/snowflake.(*connectionImpl).GetObjects.func4()
/Users/<redacted>/go/pkg/mod/github.com/apache/arrow-adbc/go/adbc@v1.4.0/driver/snowflake/connection.go:368 +0x280
created by github.com/apache/arrow-adbc/go/adbc/driver/snowflake.(*connectionImpl).GetObjects in goroutine 1
/Users/<redacted>/go/pkg/mod/github.com/apache/arrow-adbc/go/adbc@v1.4.0/driver/snowflake/connection.go:354 +0x164c
exit status 2
```
### How can we reproduce the bug?
- Create the table described in this doc: https://docs.snowflake.com/en/sql-reference/data-types-vector#loading-and-unloading-vector-data
- Send a `GetObjects` at `ObjectDepthColumns` targetting that table
### Environment/Setup
_No response_
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Re: [I] go/adbc/driver/snowflake: GetObjects panics while retrieving table columns of vector type [arrow-adbc]
Posted by "zeroshade (via GitHub)" <gi...@apache.org>.
zeroshade commented on issue #2544:
URL: https://github.com/apache/arrow-adbc/issues/2544#issuecomment-2675496265
Absolutely correct, it should have a better error message. I'll take a look next week at updating this to provide a better error.
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Re: [I] go/adbc/driver/snowflake: GetObjects panics while retrieving table columns of vector type [arrow-adbc]
Posted by "frbvianna (via GitHub)" <gi...@apache.org>.
frbvianna commented on issue #2544:
URL: https://github.com/apache/arrow-adbc/issues/2544#issuecomment-2675501280
@zeroshade thank you for the quick feedback. Have a nice weekend!
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Re: [I] go/adbc/driver/snowflake: GetObjects panics while retrieving table columns of vector type [arrow-adbc]
Posted by "zeroshade (via GitHub)" <gi...@apache.org>.
zeroshade commented on issue #2544:
URL: https://github.com/apache/arrow-adbc/issues/2544#issuecomment-2683445084
Okay so it's an easy fix to avoid the failure. But it's really annoying because the data is actually fully supported by the ADBC driver, coming back as a FixedSizeList, but I can't find any way from the metadata to determine the vector size of type of the vector from what is available in INFORMATION_SCHEMA. COLUMNS :(
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Re: [I] go/adbc/driver/snowflake: GetObjects panics while retrieving table columns of vector type [arrow-adbc]
Posted by "lidavidm (via GitHub)" <gi...@apache.org>.
lidavidm closed issue #2544: go/adbc/driver/snowflake: GetObjects panics while retrieving table columns of vector type
URL: https://github.com/apache/arrow-adbc/issues/2544
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