Enumeration
SQLForeignKeyAction
An expression specifying a behavior for a foreign key constraint violation.
enum SQLForeignKeyAction
Topics
Enumeration Cases
case cascadeTheCASCADEbehavior.case noActionTheNO ACTIONbehavior.case restrictTheRESTRICTbehavior.case setDefaultTheSET DEFAULTbehavior.case setNullTheSET NULLbehavior.
Instance Methods
func serialize(to: inout SQLSerializer)Invoked when a request is made to serialize the expression to raw SQL.
Relationships
Conforms To
SQLExpressionSwift.EquatableSwift.HashableSwift.SendableSwift.SendableMetatype
See Also
Basic Expressions
struct SQLAliasEncapsulates SQL’s<expression> [AS] <name>syntax, most often used to declare aliaed names for columns and tables.struct SQLBetweenAnSQLExpressionwhich constructs SQL of the form<operand> BETWEEN <lowerBound> AND <upperBound>.struct SQLColumnAn expression representing an optionally table-qualified column in an SQL table.struct SQLConstraintAn expression representing the combination of a constraint name and algorithm for table constraints.enum SQLDataTypeRepresents a value’s type in SQL.enum SQLDirectionDescribes an ordering direction for a given sorting key.struct SQLDistinctAn expression representing the subexpression of an aggregate function call which specifies whether the aggregate groups over all result rows or only distinct rows.struct SQLNestedSubpathExpressionA “nested subpath” expression is used to descend into the “deeper” structure of a non-scalar value, such as a dictionary, array, or JSON value.struct SQLQualifiedTableAn expression representing an optionally second-level-qualified SQL table.struct SQLQueryStringAn expression consisting of an array of constituent subexpressions generated by custom string interpolations.