feat(analyzers): implement advanced analyzers and analysis runner orchestration (TER-152, TER-153) #9
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…(TER-152, TER-153) Add comprehensive analyzer framework with 6 advanced analyzers and orchestration layer: Advanced Analyzers (TER-152): - ApproxCountDistinctAnalyzer: HyperLogLog-based cardinality estimation - ComplianceAnalyzer: SQL predicate validation with injection protection - DataTypeAnalyzer: Automatic data type inference and validation - HistogramAnalyzer: Value distribution analysis with bucket generation - StandardDeviationAnalyzer: Statistical variance and deviation metrics - EntropyAnalyzer: Information theory metrics (Shannon entropy, Gini impurity) Analysis Runner (TER-153): - Builder pattern API for fluent analyzer composition - Progress reporting with callback support - Graceful error handling with continue-on-error option - Support for 10+ concurrent analyzers - Comprehensive integration tests and performance comparisons Infrastructure: - Full async/await support with DataFusion integration - Incremental state computation with merge support for distributed processing - Complete serialization support via Serde - OpenTelemetry instrumentation for observability - Memory-efficient Arrow array processing - SQL injection protection for custom expressions Documentation (Diátaxis Framework): - Tutorial: Understanding analyzers with hands-on examples - How-to: Analyzing large datasets with practical patterns - Reference: Complete API documentation for runners and analyzers - Explanation: Architecture decisions and design philosophy Testing: - 316+ unit tests with comprehensive coverage - Integration tests using TPC-H data - Performance benchmarks and characteristics validation - Error recovery and edge case handling
…hestration (TER-152, TER-153)
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Summary
Features Added
Test Plan
🤖 Generated with Claude Code