semantic-ds-toolkit/dist/src/types/anchor.types.d.ts

Performance-first semantic layer for modern data stacks - Stable Column Anchors & intelligent inference

export interface StableColumnAnchor {
    dataset: string;
    column_name: string;
    anchor_id: string;
    fingerprint: string;
    first_seen: string;
    last_seen: string;
    mapped_cid?: string;
    confidence?: number;
}
export interface ColumnFingerprint {
    min?: string | number;
    max?: string | number;
    dtype: string;
    cardinality: number;
    regex_patterns: string[];
    null_ratio: number;
    unique_ratio: number;
    sample_values: string[];
}
export interface AnchorReconciliationResult {
    matched_anchors: Array<{
        anchor_id: string;
        column_name: string;
        confidence: number;
        match_reason: string[];
    }>;
    unmatched_columns: string[];
    new_anchors: StableColumnAnchor[];
}
export interface FingerprintConfig {
    sample_size: number;
    regex_patterns: string[];
    min_cardinality_threshold: number;
    max_unique_ratio: number;
}
export interface ColumnStatistics {
    total_rows: number;
    null_count: number;
    unique_count: number;
    min_value?: string | number;
    max_value?: string | number;
    data_type: string;
    sample_values: string[];
}
export interface AnchorMatchScore {
    anchor_id: string;
    total_score: number;
    component_scores: {
        dtype_match: number;
        cardinality_similarity: number;
        regex_match: number;
        statistical_similarity: number;
        name_similarity: number;
    };
    confidence: number;
}
export interface AnchorStore {
    anchors: Map<string, StableColumnAnchor>;
    dataset_index: Map<string, string[]>;
    last_updated: string;
}
export interface ReconciliationOptions {
    confidence_threshold: number;
    allow_multiple_matches: boolean;
    create_new_anchors: boolean;
    drift_tolerance: number;
}
export type DataType = 'string' | 'int64' | 'float64' | 'boolean' | 'datetime' | 'unknown';
export interface ColumnData {
    name: string;
    values: any[];
    data_type: DataType;
}
export interface Dataset {
    path: string;
    columns: ColumnData[];
    metadata?: Record<string, any>;
}
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