SQLTYPEOF

All functions > METADATA > SQLTYPEOF

Returns the type of the given expression in the target database.

Signatures

Returns: A string representing the database-specific SQL type

SQLTYPEOF(expr: T) → VARCHAR

sql

Parameter	Type	Required	Description
`expr`	`T`	Yes	The expression to get the SQL type of

Notes

Returns the target database's type name as a string
Type name varies by database engine (Trino, DuckDB, etc.)
Useful for debugging type translations
Shows how FeatureQL types map to SQL types
Type is determined at query translation time
Can differ from TYPEOF which shows FeatureQL types

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Last update at: 2026/03/03 16:47:38

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