toddmeng-db commented on code in PR #2921:
URL: https://github.com/apache/arrow-adbc/pull/2921#discussion_r2132971569
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csharp/src/Drivers/Databricks/DatabricksConnection.cs:
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@@ -165,9 +165,16 @@ private void ValidateProperties()
// Parse default namespace
string? defaultCatalog = null;
string? defaultSchema = null;
- Properties.TryGetValue(AdbcOptions.Connection.CurrentCatalog, out
defaultCatalog);
+ // only if enableMultipleCatalogSupport is true, do we supply
catalog from connection properties
+ if (_enableMultipleCatalogSupport)
+ {
+ Properties.TryGetValue(AdbcOptions.Connection.CurrentCatalog,
out defaultCatalog);
+ }
Properties.TryGetValue(AdbcOptions.Connection.CurrentDbSchema, out
defaultSchema);
+ // SPARK is a special catalog name - rely on server to return a
default catalog if there is one
+ defaultCatalog = HandleSparkCatalog(defaultCatalog);
Review Comment:
This is to be backwards-compatible with old workspaces where SPARK was the
user-displayed hive_metastore catalog name. In this case, passing in null lets
runtime use the workspace-set default catalog for the session, which is still
typically `hive_metastore` in newer dbr.
Let me add a comment to be clearer.
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