Instance Method
customDataType(for:)
A function which is consulted whenever an
SQLDataType will be serialized into a query. The dialect may return an expression which will replace the default serialization of the given type. Returning nil causes the default to be used.func customDataType(for dataType: SQLDataType) -> (any SQLExpression)?Discussion
This is intended to provide a customization point for dialects to override or supplement the default set of types and their default definitions.
Defaults to returning nil for all inputs.
Default Implementations
SQLDialect Implementations
func customDataType(for: SQLDataType) -> (any SQLExpression)?Default implementation ofcustomDataType(for:).
See Also
Modifier Methods
func normalizeSQLConstraint(identifier: any SQLExpression) -> any SQLExpressionA function which is consulted whenever a constraint name will be serialized into a query. The dialect must return an expression for an identifer which is unique to the input identifier and is a valid constraint name for the dialect.func nestedSubpathExpression(in: any SQLExpression, for: [String]) -> (any SQLExpression)?Given a column name and a path consisting of one or more elements, return an expression appropriate for accessing a value at the given JSON path.