[PECOBLR-1172] Add Configuration and Protocol Selection for SEA Phase 1#302
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[PECOBLR-1172] Add Configuration and Protocol Selection for SEA Phase 1#302jayantsing-db wants to merge 4 commits intomainfrom
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Signed-off-by: Jayant Singh <jayant.singh@databricks.com>
This commit implements the foundational configuration support for protocol selection between Thrift and REST protocols as part of Statement Execution API (SEA) Phase 1. Changes: - Added ExecutionProtocol field to UserConfig (defaults to "thrift") - Added WarehouseID field to UserConfig (required for REST protocol) - Added MaxPollInterval and PollBackoffMultiplier fields to Config - Implemented DSN parsing for protocol/executionProtocol parameters - Implemented DSN parsing for warehouse_id/warehouseId parameters - Added validation to require warehouse_id when using REST protocol - Updated DeepCopy methods to include new fields - Updated WithDefaults to set proper default values: - ExecutionProtocol: "thrift" (backward compatible) - MaxPollInterval: 60 seconds - PollBackoffMultiplier: 2.0 - Added comprehensive unit tests for all new functionality The implementation supports both snake_case and camelCase parameter names for user convenience (protocol/executionProtocol, warehouse_id/warehouseId). Related design doc: statement-execution-api-design-go.md 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: Jayant Singh <jayant.singh@databricks.com>
Fix gofmt linting issues by aligning struct field declarations. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: Jayant Singh <jayant.singh@databricks.com>
Update connector test expectations to include ExecutionProtocol: 'thrift' as the default value, consistent with the new configuration defaults. This fixes test failures in: - Connector initialized with functional options - Connector initialized minimal settings - Connector initialized with retries turned off 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: Jayant Singh <jayant.singh@databricks.com>
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Summary
This PR implements Task 1 of SEA (Statement Execution API) Phase 1: Add Configuration and Protocol Selection support for the Databricks SQL Go driver.
This is a foundational change that enables protocol selection between Thrift (existing) and REST (new Statement Execution API) protocols.
Changes
Configuration Fields Added
UserConfig:
ExecutionProtocol(string): Selects between "thrift" (default) or "rest"WarehouseID(string): Required when using REST protocolConfig:
MaxPollInterval(time.Duration): Maximum polling interval for exponential backoff (default: 60s)PollBackoffMultiplier(float64): Multiplier for exponential backoff (default: 2.0)DSN Parsing
Implemented parsing for the following query parameters:
protocolorexecutionProtocol: Sets the execution protocolwarehouse_idorwarehouseId: Sets the warehouse ID (supports both naming conventions)Example DSN:
token:mytoken@example.databricks.com:443/sql/1.0/endpoints/abc123?protocol=rest&warehouse_id=warehouse123
Validation
Added validation to ensure
warehouse_idis provided when usingprotocol=rest. Returns a clear error message if missing.Default Values
ExecutionProtocol: "thrift" (maintains backward compatibility)MaxPollInterval: 60 secondsPollBackoffMultiplier: 2.0PollInterval: 1 second (unchanged)Testing
All tests pass successfully.
Design Reference
Implementation follows the design document:
statement-execution-api-design-go.mdBackward Compatibility
✅ All changes are backward compatible:
Next Steps
This PR enables the foundation for subsequent SEA Phase 1 tasks:
Test Plan
Related