Copilot commented on code in PR #4911:
URL: https://github.com/apache/arrow-adbc/pull/4911#discussion_r4290668268
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csharp/test/Apache.Arrow.Adbc.Tests/ImportedDuckDbTests.cs:
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@@ -384,6 +388,267 @@ public async Task CancelConnection()
Assert.Contains("Interrupted", exception.Message);
}
+ [Fact]
+ public void DatabaseGetOption()
+ {
+ using var database = _duckDb.OpenDatabase("dbgetoption.db");
+
+ Assert.EndsWith("dbgetoption.db", database.GetOption("path"));
+ Assert.Equal(AdbcStatusCode.NotFound,
Assert.ThrowsAny<AdbcException>(() => database.GetOption("unknown")).Status);
+ }
+
+ [Fact]
+ public void TypedDatabaseOptionsAreAppliedAtOpen()
+ {
+ // A long goes through DatabaseSetOptionInt rather than
DatabaseSetOption
+ using var database = _duckDb.OpenDatabase("typedopen.db", new
Dictionary<string, object> { { "threads", 3L } });
+ using var connection = database.Connect(null);
+ using var statement = connection.CreateStatement();
+
+ Assert.Equal("3", GetScalarString(statement, "SELECT
current_setting('threads')::VARCHAR"));
+ Assert.Equal("3", database.GetOption("threads"));
+ }
+
+ [Fact]
+ public async Task OpenAndConnectAsync()
+ {
+ using var database = await
_duckDb.OpenDatabaseAsync("openasync.db");
+ using var connection = await database.ConnectAsync(null);
+ using var statement = connection.CreateStatement();
+
+ Assert.Equal(3, GetResultCount(statement, "SELECT * FROM
range(3)"));
+ }
+
+ [Fact]
+ public void StandardConnectionOptionsComeFromTheDriver()
+ {
+ using var database = _duckDb.OpenDatabase("standardoptions.db");
+ using var connection = database.Connect(null);
+
+ // Nothing has been set through this connection, so these are read
from DuckDB
+ Assert.True(connection.AutoCommit);
+ Assert.Equal(AdbcOptions.Enabled,
connection.GetOption(AdbcOptions.Connection.Autocommit));
+
+ connection.AutoCommit = false;
+ Assert.Equal(AdbcOptions.Disabled,
connection.GetOption(AdbcOptions.Connection.Autocommit));
+
+ // In DuckDB 1.5.6, reading the current catalog or schema causes a
later attempt
+ // to disable autocommit to be silently ignored, so these are
checked last.
+ Assert.Equal("standardoptions", connection.CurrentCatalog);
+ Assert.Equal("main", connection.CurrentDbSchema);
+ }
+
+ [Fact]
+ public async Task SetCurrentDbSchema()
+ {
+ using var database = _duckDb.OpenDatabase("currentschema.db");
+ using var connection = database.Connect(null);
+ using var statement = connection.CreateStatement();
+
+ statement.SqlQuery = "CREATE SCHEMA other";
+ statement.ExecuteUpdate();
+
+ await
connection.SetOptionAsync(AdbcOptions.Connection.CurrentDbSchema, "other");
+ Assert.Equal("other", await
connection.GetOptionAsync(AdbcOptions.Connection.CurrentDbSchema));
+ Assert.Equal("other", connection.CurrentDbSchema);
+
+ statement.SqlQuery = "CREATE TABLE unqualified(x INTEGER)";
+ statement.ExecuteUpdate();
+ Assert.Equal("other", GetScalarString(statement, "SELECT
schema_name FROM duckdb_tables() WHERE table_name = 'unqualified'"));
+
+ connection.CurrentDbSchema = "main";
+ Assert.Equal("main", GetScalarString(statement, "SELECT
current_schema()"));
+ }
+
+ [Fact]
+ public void ConnectWithTypedOptions()
+ {
+ using var database = _duckDb.OpenDatabase("connecttyped.db");
+
+ // The bool is sent to DuckDB as the string "false". (That it's
sent before the
+ // connection is initialized is covered by
ExportedDriverRoundTrip11Tests.)
+ using var connection = database.ConnectWithTypedOptions(new
Dictionary<string, object>
+ {
+ { AdbcOptions.Connection.Autocommit, false },
+ });
+
+ Assert.Equal(AdbcOptions.Disabled,
connection.GetOption(AdbcOptions.Connection.Autocommit));
+ Assert.False(connection.AutoCommit);
+ }
+
+ [Fact]
+ public async Task ConnectWithTypedOptionsAsync()
+ {
+ using var database = _duckDb.OpenDatabase("connecttypedasync.db");
+
+ using var connection = await
database.ConnectWithTypedOptionsAsync(new Dictionary<string, object>
+ {
+ { AdbcOptions.Connection.Autocommit, false },
+ });
+
+ Assert.Equal(AdbcOptions.Disabled,
connection.GetOption(AdbcOptions.Connection.Autocommit));
+ }
+
+ [Fact]
+ public void UnsupportedOptions()
+ {
+ using var database = _duckDb.OpenDatabase("unsupportedoptions.db");
+ using var connection = database.Connect(null);
+ using var statement = connection.CreateStatement();
+
+ Assert.Equal(AdbcStatusCode.NotFound,
Assert.ThrowsAny<AdbcException>(() => connection.GetOption("unknown")).Status);
+ Assert.Equal(AdbcStatusCode.NotFound,
Assert.ThrowsAny<AdbcException>(() =>
connection.GetOptionInt64("unknown")).Status);
+ Assert.Equal(AdbcStatusCode.NotFound,
Assert.ThrowsAny<AdbcException>(() =>
connection.GetOptionDouble("unknown")).Status);
+ Assert.Equal(AdbcStatusCode.NotFound,
Assert.ThrowsAny<AdbcException>(() =>
connection.GetOptionBytes("unknown")).Status);
+ Assert.Equal(AdbcStatusCode.NotImplemented,
Assert.ThrowsAny<AdbcException>(() => connection.SetOption("unknown",
"x")).Status);
+ Assert.Equal(AdbcStatusCode.NotImplemented,
Assert.ThrowsAny<AdbcException>(() => connection.SetOptionDouble("unknown",
1.5)).Status);
+ Assert.Equal(AdbcStatusCode.NotImplemented,
Assert.ThrowsAny<AdbcException>(() => connection.SetOptionBytes("unknown", new
byte[] { 1 })).Status);
+
+ Assert.Equal(AdbcStatusCode.NotFound,
Assert.ThrowsAny<AdbcException>(() => statement.GetOption("unknown")).Status);
+
+ // The spec says NotImplemented, but DuckDB 1.5.6 returns
InvalidArgument for
+ // unknown statement options. Accept either so a DuckDB fix
doesn't break this.
+ AdbcStatusCode status = Assert.ThrowsAny<AdbcException>(() =>
statement.SetOptionInt64("unknown", 1)).Status;
+ Assert.Contains(status, new[] { AdbcStatusCode.NotImplemented,
AdbcStatusCode.InvalidArgument });
+ }
+
+ [Fact]
+ public void StatementGetOption()
+ {
+ using var database = _duckDb.OpenDatabase("statementoption.db");
+ using var connection = database.Connect(null);
+ using var statement = connection.CreateStatement();
+
+ statement.SetOption(AdbcOptions.Ingest.TargetTable, "target");
+ Assert.Equal("target",
statement.GetOption(AdbcOptions.Ingest.TargetTable));
+ }
+
+ [Fact]
+ public void ErrorDetails()
+ {
+ using var database = _duckDb.OpenDatabase("errordetails.db");
+ using var connection = database.Connect(null);
+ using var statement = connection.CreateStatement();
+
+ statement.SqlQuery = "SELECT CAST('abc' AS INTEGER)";
+ AdbcException exception = Assert.ThrowsAny<AdbcException>(() =>
statement.ExecuteQuery());
+
+ Assert.Equal(AdbcStatusCode.InvalidArgument, exception.Status);
+ Assert.Contains("Conversion Error", exception.Message);
+ KeyValuePair<string, byte[]> detail =
Assert.Single(exception.Details, d => d.Key == "duckdb:error_type");
+ Assert.Equal("Conversion", Encoding.UTF8.GetString(detail.Value));
+
+ // The 1.1 error layout reuses the vendor code field, so it
mustn't leak through
+ Assert.Equal(0, exception.NativeError);
+ }
+
+ [Fact]
+ public async Task Statistics()
+ {
+ using var database = _duckDb.OpenDatabase("statistics.db");
+ using var connection = database.Connect(null);
+ using var statement = connection.CreateStatement();
+
+ using (IArrowArrayStream names = connection.GetStatisticsNames())
+ {
+ Assert.Equal(new[] { "statistic_name", "statistic_key" },
names.Schema.FieldsList.Select(f => f.Name));
+ Assert.Equal(ArrowTypeId.String,
names.Schema.FieldsList[0].DataType.TypeId);
+ Assert.Equal(ArrowTypeId.Int16,
names.Schema.FieldsList[1].DataType.TypeId);
+ }
+
+ statement.SqlQuery = "CREATE TABLE stats AS SELECT * FROM
range(10) r(x)";
+ statement.ExecuteUpdate();
+
+ using IArrowArrayStream statistics =
connection.GetStatistics(null, null, "stats", approximate: false);
+ Assert.Equal(new[] { "catalog_name", "catalog_db_schemas" },
statistics.Schema.FieldsList.Select(f => f.Name));
+
+ var catalogs = new List<string?>();
+ RecordBatch? batch;
+ while ((batch = await statistics.ReadNextRecordBatchAsync()) !=
null)
+ {
+ using (batch)
+ {
+ StringArray names = (StringArray)batch.Column(0);
+ for (int i = 0; i < names.Length; i++)
+ {
+ catalogs.Add(names.GetString(i));
+ }
+ }
+ }
+ Assert.Contains("statistics", catalogs);
+ }
+
+ [Fact]
+ public async Task ExecuteAsyncWithCancellationToken()
+ {
+ using var database = _duckDb.OpenDatabase("executeasync.db");
+ using var connection = database.Connect(null);
+ using var statement = connection.CreateStatement();
+ using var cts = new CancellationTokenSource();
+
+ statement.SqlQuery = "CREATE TABLE test(x INTEGER)";
+ await statement.ExecuteUpdateAsync(cts.Token);
+
+ statement.SqlQuery = "INSERT INTO test VALUES (1), (2)";
+ UpdateResult update = await
statement.ExecuteUpdateAsync(cts.Token);
+ Assert.Equal(2, update.AffectedRows);
+
+ statement.SqlQuery = "SELECT * FROM test";
+ QueryResult result = await statement.ExecuteQueryAsync(cts.Token);
+ Assert.Equal(2, GetResultCount(result));
+ }
+
+ [Fact]
+ public async Task CancellationTokenCancelsQuery()
+ {
+ using var database = _duckDb.OpenDatabase("canceltoken.db");
+ using var connection = database.Connect(null);
+ using var statement = connection.CreateStatement();
+ using var cts = new CancellationTokenSource();
+
+ statement.SqlQuery = "SELECT count(*) FROM range(1000000000000)";
+ Task<QueryResult> query =
statement.ExecuteQueryAsync(cts.Token).AsTask();
+
+ await Task.Delay(500);
+ cts.Cancel();
+
+ // The token calls Cancel once. Keep cancelling in case that
happened before
+ // DuckDB started the query; the token stays cancelled either way.
+ await CancelUntilCompleteAsync(statement.Cancel, query);
+ OperationCanceledException exception = await
Assert.ThrowsAnyAsync<OperationCanceledException>(() => query);
+ Assert.Equal(cts.Token, exception.CancellationToken);
+
+ // There's no inner exception if the token was cancelled before
the work started
+ if (exception.InnerException != null)
+ {
+ // DuckDB reports interruption as InvalidArgument rather than
Cancelled
+ Assert.Contains("Interrupted",
Assert.IsAssignableFrom<AdbcException>(exception.InnerException).Message);
+ }
+ }
+
+ [Fact]
+ public async Task TransactionsAsync()
+ {
+ using var database = _duckDb.OpenDatabase("transactionsasync.db");
+ using var connection = database.Connect(null);
+ using var statement = connection.CreateStatement();
+
+ statement.SqlQuery = "CREATE TABLE test(x INTEGER)";
+ statement.ExecuteUpdate();
+
+ connection.AutoCommit = false;
+
+ statement.SqlQuery = "INSERT INTO test VALUES (1)";
+ statement.ExecuteUpdate();
+ await connection.RollbackAsync();
+ Assert.Equal(0, GetResultCount(statement, "SELECT * FROM test"));
+
+ statement.SqlQuery = "INSERT INTO test VALUES (2)";
+ statement.ExecuteUpdate();
+ await connection.CommitAsync();
+ Assert.Equal(1, GetResultCount(statement, "SELECT * FROM test"));
Review Comment:
This assertion also passes if `CommitAsync` does nothing: the inserting
connection can read its own uncommitted row. Check visibility from a second
connection before and after `CommitAsync` so the test detects a missing commit.
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