Instance Method
nestedSubpathExpression(in:for:)
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.
func nestedSubpathExpression(in column: any SQLExpression, for path: [String]) -> (any SQLExpression)?Discussion
A nil result signals that JSON subpath expressions are not supported, or that the given path is not valid for this dialect.
Defaults to returning nil.
Default Implementations
SQLDialect Implementations
See Also
Modifier Methods
func customDataType(for: SQLDataType) -> (any SQLExpression)?A function which is consulted whenever anSQLDataTypewill be serialized into a query. The dialect may return an expression which will replace the default serialization of the given type. Returningnilcauses the default to be used.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.