Recognises an index the target engine cannot create or run

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Snowflake has no `CREATE INDEX` at all, so index definitions come out commented out and the real lever is a clustering key. MySQL cannot index a `TEXT`/`BLOB` column without a prefix length, and the script will fail at that statement.

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Flags the deficient case and passes the acceptable one. Deficient: Snowflake; `ix_dim_account_number_current` commented out, no `cluster_by` set, and every point lookup on `dim_account` scans it. MySQL; `relationship_manager_notes` (`TEXT`) left in an index after the generator warned Acceptable: `physical_options.snowflake: {cluster_by: [account_number]}` and the Databricks equivalent — as the sample model has them — and the notes column bounded to a `VARCHAR` in the model, or removed from the index

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Explains SQL dialect differencesK-852 · Teadmine

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