Function lineage

lineage(
    column: string,
    sql: string,
    dialect?: string,
    trimSelects?: boolean,
): LineageResult
Trace the lineage of a column through a SQL query.
Parameters
- column: string
  Column name to trace (e.g. "id", "users.name")
- sql: string
  SQL string to analyze
- dialect: string = 'generic'
  Dialect for parsing (default: 'generic')
- trimSelects: boolean = false
  Trim SELECT to only target column (default: false)
Returns LineageResult
Example
```
const result = lineage("a", "SELECT a FROM t");
// result.lineage.name === "a"
// result.lineage.downstream[0].name === "t.a"
```
- Defined in lineage.ts:55