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tweak heading level
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hsheth2 committed Dec 12, 2024
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6 changes: 3 additions & 3 deletions docs/lineage/sql_parsing.md
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## Capabilities

#### Supported
### Supported

- Table-level lineage for `SELECT`, `CREATE`, `INSERT`, `UPDATE`, `DELETE`, and `MERGE` statements
- Column-level lineage for `SELECT` (including `SELECT INTO`), `CREATE VIEW`, `CREATE TABLE AS SELECT` (CTAS), `INSERT`, and `UPDATE` statements
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- Specifically, we'll do fuzzy matching against the table names and schemas to resolve the correct URNs. We do not support having multiple tables/columns that only differ in casing.
- For BigQuery, sharded table suffixes will automatically be normalized. For example, `proj.dataset.table_20230616` will be normalized to `proj.dataset.table_yyyymmdd`. This matches the behavior of our BigQuery ingestion connector, and hence will result in lineage linking up correctly.

#### Not supported
### Not supported

- Scalar `UDFs` - We will generate lineage pointing at the columns that are inputs to the UDF, but will not be able to understand the UDF itself.
- Tabular `UDFs`
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- Snowflake's multi-table inserts
- Multi-statement SQL / SQL scripting

#### Limitations
### Limitations

- We only support the 20+ SQL dialects supported by the underlying [sqlglot](https://github.com/tobymao/sqlglot) library.
- There's a few SQL syntaxes that we don't support yet, but intend to support in the future.
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