Analyzer

LineageAnalyzer is an abstract class, supposed to include the core processing logic for one-statement SQL analysis.

Each parser implementation will inherit LineageAnalyzer and do parser specific analysis based on the AST they generates and store the result in StatementLineageHolder.

LineageAnalyzer

class sqllineage.core.analyzer.LineageAnalyzer

SQL Statement Level Lineage Analyzer Parser specific implementation should inherit this class and implement analyze method

abstract analyze(sql: str, metadata_provider: MetaDataProvider) → StatementLineageHolder

to analyze single statement sql and store the result into StatementLineageHolder.

Parameters:

• sql – single-statement SQL string to be processed

• metadata_provider – sqllineage.core.metadata_provider.MetaDataProvider provides metadata on tables to help lineage analyzing

Returns:

sqllineage.core.holders.StatementLineageHolder