zeroshade commented on code in PR #313:
URL: https://github.com/apache/iceberg-go/pull/313#discussion_r2021316142


##########
io/azure.go:
##########
@@ -0,0 +1,120 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package io
+
+import (
+       "context"
+       "errors"
+       "fmt"
+       "net/url"
+
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/container"
+       "gocloud.dev/blob"
+       "gocloud.dev/blob/azureblob"
+)
+
+// Constants for Azure configuration options
+const (
+       AdlsSasTokenPrefix         = "adls.sas-token."
+       AdlsConnectionStringPrefix = "adls.connection-string."
+       AdlsSharedKeyAccountName   = "adls.auth.shared-key.account.name"
+       AdlsSharedKeyAccountKey    = "adls.auth.shared-key.account.key"
+       AdlsEndpoint               = "adls.endpoint"
+       AdlsProtocol               = "adls.protocol"
+
+       // Not in use yet
+       // AdlsReadBlockSize          = "adls.read.block-size-bytes"
+       // AdlsWriteBlockSize         = "adls.write.block-size-bytes"
+)
+
+// Construct a Azure bucket from a URL
+func createAzureBucket(ctx context.Context, parsed *url.URL, props 
map[string]string) (*blob.Bucket, error) {
+       adlsSasTokens := propertiesWithPrefix(props, AdlsSasTokenPrefix)
+       adlsConnectionStrings := propertiesWithPrefix(props, 
AdlsConnectionStringPrefix)
+
+       // Construct the client
+       accountName := props[AdlsSharedKeyAccountName]
+       endpoint := props[AdlsEndpoint]
+       protocol := props[AdlsProtocol]

Review Comment:
   are there defaults we should use for these?



##########
io/azure.go:
##########
@@ -0,0 +1,120 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package io
+
+import (
+       "context"
+       "errors"
+       "fmt"
+       "net/url"
+
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/container"
+       "gocloud.dev/blob"
+       "gocloud.dev/blob/azureblob"
+)
+
+// Constants for Azure configuration options
+const (
+       AdlsSasTokenPrefix         = "adls.sas-token."
+       AdlsConnectionStringPrefix = "adls.connection-string."
+       AdlsSharedKeyAccountName   = "adls.auth.shared-key.account.name"
+       AdlsSharedKeyAccountKey    = "adls.auth.shared-key.account.key"
+       AdlsEndpoint               = "adls.endpoint"
+       AdlsProtocol               = "adls.protocol"
+
+       // Not in use yet
+       // AdlsReadBlockSize          = "adls.read.block-size-bytes"
+       // AdlsWriteBlockSize         = "adls.write.block-size-bytes"
+)
+
+// Construct a Azure bucket from a URL
+func createAzureBucket(ctx context.Context, parsed *url.URL, props 
map[string]string) (*blob.Bucket, error) {
+       adlsSasTokens := propertiesWithPrefix(props, AdlsSasTokenPrefix)
+       adlsConnectionStrings := propertiesWithPrefix(props, 
AdlsConnectionStringPrefix)
+
+       // Construct the client
+       accountName := props[AdlsSharedKeyAccountName]
+       endpoint := props[AdlsEndpoint]
+       protocol := props[AdlsProtocol]
+
+       var client *container.Client
+
+       if accountName != "" {
+               var sharedKeyCred *azblob.SharedKeyCredential
+               var err error

Review Comment:
   i don't think you need to declare these separately outside of the 
conditions. 



##########
io/azure.go:
##########
@@ -0,0 +1,120 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package io
+
+import (
+       "context"
+       "errors"
+       "fmt"
+       "net/url"
+
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/container"
+       "gocloud.dev/blob"
+       "gocloud.dev/blob/azureblob"
+)
+
+// Constants for Azure configuration options
+const (
+       AdlsSasTokenPrefix         = "adls.sas-token."
+       AdlsConnectionStringPrefix = "adls.connection-string."
+       AdlsSharedKeyAccountName   = "adls.auth.shared-key.account.name"
+       AdlsSharedKeyAccountKey    = "adls.auth.shared-key.account.key"
+       AdlsEndpoint               = "adls.endpoint"
+       AdlsProtocol               = "adls.protocol"
+
+       // Not in use yet
+       // AdlsReadBlockSize          = "adls.read.block-size-bytes"
+       // AdlsWriteBlockSize         = "adls.write.block-size-bytes"
+)
+
+// Construct a Azure bucket from a URL
+func createAzureBucket(ctx context.Context, parsed *url.URL, props 
map[string]string) (*blob.Bucket, error) {

Review Comment:
   use `iceberg.Properties` instead of `map[string]string`



##########
io/azure.go:
##########
@@ -0,0 +1,120 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package io
+
+import (
+       "context"
+       "errors"
+       "fmt"
+       "net/url"
+
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/container"
+       "gocloud.dev/blob"
+       "gocloud.dev/blob/azureblob"
+)
+
+// Constants for Azure configuration options
+const (
+       AdlsSasTokenPrefix         = "adls.sas-token."
+       AdlsConnectionStringPrefix = "adls.connection-string."
+       AdlsSharedKeyAccountName   = "adls.auth.shared-key.account.name"
+       AdlsSharedKeyAccountKey    = "adls.auth.shared-key.account.key"
+       AdlsEndpoint               = "adls.endpoint"
+       AdlsProtocol               = "adls.protocol"
+
+       // Not in use yet
+       // AdlsReadBlockSize          = "adls.read.block-size-bytes"
+       // AdlsWriteBlockSize         = "adls.write.block-size-bytes"
+)
+
+// Construct a Azure bucket from a URL
+func createAzureBucket(ctx context.Context, parsed *url.URL, props 
map[string]string) (*blob.Bucket, error) {
+       adlsSasTokens := propertiesWithPrefix(props, AdlsSasTokenPrefix)
+       adlsConnectionStrings := propertiesWithPrefix(props, 
AdlsConnectionStringPrefix)
+
+       // Construct the client
+       accountName := props[AdlsSharedKeyAccountName]
+       endpoint := props[AdlsEndpoint]
+       protocol := props[AdlsProtocol]
+
+       var client *container.Client
+
+       if accountName != "" {
+               var sharedKeyCred *azblob.SharedKeyCredential
+               var err error
+
+               if accountKey, ok := props[AdlsSharedKeyAccountKey]; ok {
+                       svcURL, err := 
azureblob.NewServiceURL(&azureblob.ServiceURLOptions{
+                               AccountName:   accountName,
+                               Protocol:      protocol,
+                               StorageDomain: endpoint,
+                       })
+                       if err != nil {
+                               return nil, err
+                       }
+                       containerURL, err := url.JoinPath(string(svcURL), 
parsed.Host)
+                       if err != nil {
+                               return nil, err
+                       }
+                       sharedKeyCred, err = 
azblob.NewSharedKeyCredential(accountName, accountKey)
+                       if err != nil {
+                               return nil, fmt.Errorf("failed 
azblob.NewSharedKeyCredential: %w", err)
+                       }
+
+                       client, err = 
container.NewClientWithSharedKeyCredential(containerURL, sharedKeyCred, nil)
+                       if err != nil {
+                               return nil, fmt.Errorf("failed 
container.NewClientWithSharedKeyCredential: %w", err)
+                       }
+               } else if sasToken, ok := adlsSasTokens[accountName]; ok {
+                       svcURL, err := 
azureblob.NewServiceURL(&azureblob.ServiceURLOptions{
+                               AccountName:   accountName,
+                               SASToken:      sasToken,
+                               Protocol:      protocol,
+                               StorageDomain: endpoint,
+                       })
+                       if err != nil {
+                               return nil, err
+                       }
+
+                       containerURL, err := url.JoinPath(string(svcURL), 
parsed.Host)
+                       if err != nil {
+                               return nil, err
+                       }
+
+                       client, err = 
container.NewClientWithNoCredential(containerURL, nil)
+                       if err != nil {
+                               return nil, fmt.Errorf("failed 
container.NewClientWithNoCredential: %w", err)
+                       }
+               } else if connectionString, ok := 
adlsConnectionStrings[accountName]; ok {
+                       client, err = 
container.NewClientFromConnectionString(connectionString, parsed.Host, nil)
+                       if err != nil {
+                               return nil, fmt.Errorf("failed 
container.NewClientFromConnectionString: %w", err)
+                       }
+               }
+
+               bucket, err := azureblob.OpenBucket(ctx, client, nil)
+               if err != nil {
+                       return nil, err
+               }
+
+               return bucket, nil

Review Comment:
   maybe just `return azureblob.OpenBucket(ctx, client, nil)` ?



##########
io/azure_integration_test.go:
##########
@@ -0,0 +1,148 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+//go:build integration
+
+package io_test
+
+import (
+       "context"
+       "fmt"
+       "testing"
+
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/bloberror"
+       "github.com/apache/iceberg-go"
+       "github.com/apache/iceberg-go/catalog"
+       sqlcat "github.com/apache/iceberg-go/catalog/sql"
+       "github.com/apache/iceberg-go/io"
+       "github.com/stretchr/testify/suite"
+       "github.com/uptrace/bun/driver/sqliteshim"
+       "gocloud.dev/blob/azureblob"
+)
+
+const (
+       accountName      = "devstoreaccount1"
+       accountKey       = 
"Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=="
+       endpoint         = "127.0.0.1:10010"
+       protocol         = "http"
+       containerName    = "warehouse"
+       connectionString = 
"DefaultEndpointsProtocol=http;AccountName=devstoreaccount1;AccountKey=Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==;BlobEndpoint=http://127.0.0.1:10010/devstoreaccount1;QueueEndpoint=http://127.0.0.1:10001/devstoreaccount1;TableEndpoint=http://127.0.0.1:10002/devstoreaccount1;";
+)
+
+type AzureBlobIOTestSuite struct {
+       suite.Suite
+
+       ctx context.Context
+}
+
+func (s *AzureBlobIOTestSuite) SetupTest() {
+       s.ctx = context.Background()
+
+       err := createContainerIfNotExist(containerName)
+       s.NoError(err)

Review Comment:
   ```go
   s.Require().NoError(createContainerIfNotExist(containerName)
   ```



##########
io/azure_integration_test.go:
##########
@@ -0,0 +1,148 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+//go:build integration
+
+package io_test
+
+import (
+       "context"
+       "fmt"
+       "testing"
+
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/bloberror"
+       "github.com/apache/iceberg-go"
+       "github.com/apache/iceberg-go/catalog"
+       sqlcat "github.com/apache/iceberg-go/catalog/sql"
+       "github.com/apache/iceberg-go/io"
+       "github.com/stretchr/testify/suite"
+       "github.com/uptrace/bun/driver/sqliteshim"
+       "gocloud.dev/blob/azureblob"
+)
+
+const (
+       accountName      = "devstoreaccount1"
+       accountKey       = 
"Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=="
+       endpoint         = "127.0.0.1:10010"
+       protocol         = "http"
+       containerName    = "warehouse"
+       connectionString = 
"DefaultEndpointsProtocol=http;AccountName=devstoreaccount1;AccountKey=Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==;BlobEndpoint=http://127.0.0.1:10010/devstoreaccount1;QueueEndpoint=http://127.0.0.1:10001/devstoreaccount1;TableEndpoint=http://127.0.0.1:10002/devstoreaccount1;";
+)
+
+type AzureBlobIOTestSuite struct {
+       suite.Suite
+
+       ctx context.Context
+}
+
+func (s *AzureBlobIOTestSuite) SetupTest() {
+       s.ctx = context.Background()
+
+       err := createContainerIfNotExist(containerName)
+       s.NoError(err)
+}
+
+func (s *AzureBlobIOTestSuite) TestAzureBlobWarehouseKey() {
+       path := "iceberg-test-azure/test-table-azure"
+       containerName := "warehouse"
+
+       cat, err := catalog.Load(context.Background(), "default", 
iceberg.Properties{
+               "uri":                       ":memory:",
+               sqlcat.DriverKey:            sqliteshim.ShimName,
+               sqlcat.DialectKey:           string(sqlcat.SQLite),
+               "type":                      "sql",
+               io.AdlsSharedKeyAccountName: accountName,
+               io.AdlsSharedKeyAccountKey:  accountKey,
+               io.AdlsEndpoint:             endpoint,
+               io.AdlsProtocol:             protocol,
+       })
+       s.NoError(err)
+       s.NotNil(cat)
+
+       c := cat.(*sqlcat.Catalog)
+       s.NoError(c.CreateNamespace(s.ctx, 
catalog.ToIdentifier("iceberg-test-azure"), nil))
+
+       tbl, err := c.CreateTable(s.ctx,
+               catalog.ToIdentifier("iceberg-test-azure", "test-table-azure"),
+               iceberg.NewSchema(0, iceberg.NestedField{
+                       Name: "id", Type: iceberg.PrimitiveTypes.Int32, 
Required: true, ID: 1,
+               }), catalog.WithLocation(fmt.Sprintf("abfs://%s/iceberg/%s", 
containerName, path)))
+       s.NoError(err)
+       s.NotNil(tbl)

Review Comment:
   should add a test here afterwards to load the table and ensure the data 
matches. Right now you're only testing that there's no errors when it tries to 
perform the write, there's no confirmation that it actually wrote the right 
things by attempting to read it back.



##########
io/azure_integration_test.go:
##########
@@ -0,0 +1,148 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+//go:build integration
+
+package io_test
+
+import (
+       "context"
+       "fmt"
+       "testing"
+
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/bloberror"
+       "github.com/apache/iceberg-go"
+       "github.com/apache/iceberg-go/catalog"
+       sqlcat "github.com/apache/iceberg-go/catalog/sql"
+       "github.com/apache/iceberg-go/io"
+       "github.com/stretchr/testify/suite"
+       "github.com/uptrace/bun/driver/sqliteshim"
+       "gocloud.dev/blob/azureblob"
+)
+
+const (
+       accountName      = "devstoreaccount1"
+       accountKey       = 
"Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=="
+       endpoint         = "127.0.0.1:10010"
+       protocol         = "http"
+       containerName    = "warehouse"
+       connectionString = 
"DefaultEndpointsProtocol=http;AccountName=devstoreaccount1;AccountKey=Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==;BlobEndpoint=http://127.0.0.1:10010/devstoreaccount1;QueueEndpoint=http://127.0.0.1:10001/devstoreaccount1;TableEndpoint=http://127.0.0.1:10002/devstoreaccount1;";
+)
+
+type AzureBlobIOTestSuite struct {
+       suite.Suite
+
+       ctx context.Context
+}
+
+func (s *AzureBlobIOTestSuite) SetupTest() {
+       s.ctx = context.Background()
+
+       err := createContainerIfNotExist(containerName)
+       s.NoError(err)
+}
+
+func (s *AzureBlobIOTestSuite) TestAzureBlobWarehouseKey() {
+       path := "iceberg-test-azure/test-table-azure"
+       containerName := "warehouse"
+
+       cat, err := catalog.Load(context.Background(), "default", 
iceberg.Properties{
+               "uri":                       ":memory:",
+               sqlcat.DriverKey:            sqliteshim.ShimName,
+               sqlcat.DialectKey:           string(sqlcat.SQLite),
+               "type":                      "sql",
+               io.AdlsSharedKeyAccountName: accountName,
+               io.AdlsSharedKeyAccountKey:  accountKey,
+               io.AdlsEndpoint:             endpoint,
+               io.AdlsProtocol:             protocol,
+       })
+       s.NoError(err)

Review Comment:
   use `s.Require().` for conditions like this where the test cannot continue 
if it fails.



##########
io/azure.go:
##########
@@ -0,0 +1,120 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package io
+
+import (
+       "context"
+       "errors"
+       "fmt"
+       "net/url"
+
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/container"
+       "gocloud.dev/blob"
+       "gocloud.dev/blob/azureblob"
+)
+
+// Constants for Azure configuration options
+const (
+       AdlsSasTokenPrefix         = "adls.sas-token."
+       AdlsConnectionStringPrefix = "adls.connection-string."
+       AdlsSharedKeyAccountName   = "adls.auth.shared-key.account.name"
+       AdlsSharedKeyAccountKey    = "adls.auth.shared-key.account.key"
+       AdlsEndpoint               = "adls.endpoint"
+       AdlsProtocol               = "adls.protocol"
+
+       // Not in use yet
+       // AdlsReadBlockSize          = "adls.read.block-size-bytes"
+       // AdlsWriteBlockSize         = "adls.write.block-size-bytes"
+)
+
+// Construct a Azure bucket from a URL
+func createAzureBucket(ctx context.Context, parsed *url.URL, props 
map[string]string) (*blob.Bucket, error) {
+       adlsSasTokens := propertiesWithPrefix(props, AdlsSasTokenPrefix)
+       adlsConnectionStrings := propertiesWithPrefix(props, 
AdlsConnectionStringPrefix)
+
+       // Construct the client
+       accountName := props[AdlsSharedKeyAccountName]
+       endpoint := props[AdlsEndpoint]
+       protocol := props[AdlsProtocol]
+
+       var client *container.Client
+
+       if accountName != "" {

Review Comment:
   let's make this more readable by inverting this. 
   
   ```go
   if accountName == "" {
       return nil, errors.New("account name is required for azure bucket")
   }
   
   // rest of code
   ```
   
   Just makes it easier to read



##########
io/utils.go:
##########
@@ -0,0 +1,31 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package io
+
+import "strings"
+
+func propertiesWithPrefix(props map[string]string, prefix string) 
map[string]string {

Review Comment:
   use `iceberg.Properties` instead please.



##########
io/azure_integration_test.go:
##########
@@ -0,0 +1,148 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+//go:build integration
+
+package io_test
+
+import (
+       "context"
+       "fmt"
+       "testing"
+
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
+       "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/bloberror"
+       "github.com/apache/iceberg-go"
+       "github.com/apache/iceberg-go/catalog"
+       sqlcat "github.com/apache/iceberg-go/catalog/sql"
+       "github.com/apache/iceberg-go/io"
+       "github.com/stretchr/testify/suite"
+       "github.com/uptrace/bun/driver/sqliteshim"
+       "gocloud.dev/blob/azureblob"
+)
+
+const (
+       accountName      = "devstoreaccount1"
+       accountKey       = 
"Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=="
+       endpoint         = "127.0.0.1:10010"
+       protocol         = "http"
+       containerName    = "warehouse"
+       connectionString = 
"DefaultEndpointsProtocol=http;AccountName=devstoreaccount1;AccountKey=Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==;BlobEndpoint=http://127.0.0.1:10010/devstoreaccount1;QueueEndpoint=http://127.0.0.1:10001/devstoreaccount1;TableEndpoint=http://127.0.0.1:10002/devstoreaccount1;";
+)
+
+type AzureBlobIOTestSuite struct {
+       suite.Suite
+
+       ctx context.Context
+}
+
+func (s *AzureBlobIOTestSuite) SetupTest() {
+       s.ctx = context.Background()
+
+       err := createContainerIfNotExist(containerName)
+       s.NoError(err)
+}
+
+func (s *AzureBlobIOTestSuite) TestAzureBlobWarehouseKey() {
+       path := "iceberg-test-azure/test-table-azure"
+       containerName := "warehouse"
+
+       cat, err := catalog.Load(context.Background(), "default", 
iceberg.Properties{
+               "uri":                       ":memory:",
+               sqlcat.DriverKey:            sqliteshim.ShimName,
+               sqlcat.DialectKey:           string(sqlcat.SQLite),
+               "type":                      "sql",
+               io.AdlsSharedKeyAccountName: accountName,
+               io.AdlsSharedKeyAccountKey:  accountKey,
+               io.AdlsEndpoint:             endpoint,
+               io.AdlsProtocol:             protocol,
+       })
+       s.NoError(err)
+       s.NotNil(cat)
+
+       c := cat.(*sqlcat.Catalog)
+       s.NoError(c.CreateNamespace(s.ctx, 
catalog.ToIdentifier("iceberg-test-azure"), nil))
+
+       tbl, err := c.CreateTable(s.ctx,
+               catalog.ToIdentifier("iceberg-test-azure", "test-table-azure"),
+               iceberg.NewSchema(0, iceberg.NestedField{
+                       Name: "id", Type: iceberg.PrimitiveTypes.Int32, 
Required: true, ID: 1,
+               }), catalog.WithLocation(fmt.Sprintf("abfs://%s/iceberg/%s", 
containerName, path)))
+       s.NoError(err)
+       s.NotNil(tbl)
+}
+
+func (s *AzureBlobIOTestSuite) TestAzuriteWarehouseConnectionString() {
+       path := "iceberg-test-azure/test-table-azure"
+       containerName := "warehouse"
+
+       cat, err := catalog.Load(context.Background(), "default", 
iceberg.Properties{
+               "uri":                       ":memory:",
+               sqlcat.DriverKey:            sqliteshim.ShimName,
+               sqlcat.DialectKey:           string(sqlcat.SQLite),
+               "type":                      "sql",
+               io.AdlsSharedKeyAccountName: accountName,
+               io.AdlsConnectionStringPrefix + accountName: connectionString,
+       })
+       s.NoError(err)
+
+       s.NotNil(cat)
+
+       c := cat.(*sqlcat.Catalog)
+       ctx := context.Background()
+       s.NoError(c.CreateNamespace(ctx, 
catalog.ToIdentifier("iceberg-test-azure"), nil))
+
+       tbl, err := c.CreateTable(ctx,
+               catalog.ToIdentifier("iceberg-test-azure", "test-table-azure"),
+               iceberg.NewSchema(0, iceberg.NestedField{
+                       Name: "id", Type: iceberg.PrimitiveTypes.Int32, 
Required: true, ID: 1,
+               }), catalog.WithLocation(fmt.Sprintf("abfs://%s/iceberg/%s", 
containerName, path)))
+       s.NoError(err)
+       s.NotNil(tbl)

Review Comment:
   same comment as above, add a LoadTable call



##########
io/io.go:
##########
@@ -258,6 +258,11 @@ func inferFileIOFromSchema(ctx context.Context, path 
string, props map[string]st
                bucket = memblob.OpenBucket(nil)
        case "file", "":
                return LocalFS{}, nil
+       case "abfs", "abfss", "wasb", "wasbs":

Review Comment:
   do the different schemes mean anything important?



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