/**
 * Type definitions for schema discovery tools
 */
export interface TableInfo {
    tableName: string;
    rowCount: number;
    lastModified?: string;
    tablespace?: string;
    comments?: string;
}
export interface ColumnInfo {
    columnName: string;
    dataType: string;
    nullable: boolean;
    dataLength?: number;
    dataPrecision?: number;
    dataScale?: number;
    defaultValue?: string;
    comments?: string;
}
export interface ConstraintInfo {
    constraintName: string;
    constraintType: string;
    columns: string[];
    searchCondition?: string;
    refTableName?: string;
    refColumns?: string[];
}
export interface ForeignKeyRelation {
    constraintName: string;
    fromTable: string;
    fromColumns: string[];
    toTable: string;
    toColumns: string[];
    deleteRule?: string;
}
export interface TableRelations {
    tableName: string;
    foreignKeys: ForeignKeyRelation[];
    referencedBy: ForeignKeyRelation[];
}
export interface SampleValue {
    columnName: string;
    sampleValues: any[];
    distinctCount?: number;
    nullCount?: number;
}
export interface RelatedTableHint {
    tableName: string;
    relationshipType: 'foreign_key' | 'naming_pattern' | 'shared_columns';
    confidence: number;
    description: string;
}
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