LineageAnalyzer

LineageAnalyzer contains the core processing logic for one-statement SQL analysis.

At the core of analyzer is all kinds of sqllineage.core.handlers to handle the interested tokens and store the result in sqllineage.core.holders.

LineageAnalyzer

class sqllineage.core.analyzer.LineageAnalyzer

SQL Statement Level Lineage Analyzer.

analyze(stmt: Statement) → StatementLineageHolder

to analyze the Statement and store the result into sqllineage.holders.StatementLineageHolder.

Parameters

stmt – a SQL statement parsed by sqlparse

SourceHandler

class sqllineage.core.handlers.source.SourceHandler

Source Table & Column Handler.

TargetHandler

class sqllineage.core.handlers.target.TargetHandler

Target Table Handler.

CTEHandler

class sqllineage.core.handlers.cte.CTEHandler

Common Table Expression (With Queries) Handler.