flink-sql-language-server
Version:
A LSP-based language server for Apache Flink SQL
22 lines (21 loc) • 1.07 kB
TypeScript
import { EdgeIdentity, EdgeType, Lineage, LineageEdge, LineageOptions, MetadataProviderFn, Relation, RelationPrimary } from '../lineage.typing';
import { FlinkSQLRelationVisitor, InsertRelation, QueryRelation, TableRelation, ViewRelation } from './flinksql-relation.visitor';
export declare class LineageVisitor extends FlinkSQLRelationVisitor<void> {
private options;
private getTableMetadata?;
relations: Array<{
relationPrimary?: RelationPrimary;
relation: Relation;
}>;
edges: LineageEdge[];
private edgeIdSeq;
private queryIdSeq;
private viewIdSeq;
constructor(options: LineageOptions, getTableMetadata?: MetadataProviderFn | undefined);
private findColumnByEdgeIdentity;
protected defaultResult(): void;
getLineage(): Lineage;
aggregateResult(_aggregate: void, _nextResult: void): void;
onColumnReference(source: EdgeIdentity, target: EdgeIdentity, currentClause?: EdgeType): void;
onRelation(relation: TableRelation | QueryRelation | InsertRelation | ViewRelation, alias?: string): void;
}