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: str, **_)

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

Parameters:

sql – a string representation of single or multiple SQL statements

abstract property statements: list[str]

Split the raw SQL into individual statements. :return: list of individual statement strings

abstractmethod 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