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Structure

SQLQualifiedTable

An expression representing an optionally second-level-qualified SQL table.
struct SQLQualifiedTable

Overview

The meaning of a second-level qualification as applied to a table is dependent on the underlying database. In PostgreSQL, a table reference is typically qualified with a schema; in MySQL or SQLite, a qualified table reference refers to an alternate database.

Topics

Initializers

Instance Properties

Instance Methods

  • serialize(to:)
    Invoked when a request is made to serialize the expression to raw SQL.

Relationships

Conforms To

See Also

Basic Expressions

  • SQLAlias
    Encapsulates SQL’s <expression> [AS] <name> syntax, most often used to declare aliaed names for columns and tables.
  • SQLBetween
    An SQLExpression which constructs SQL of the form <operand> BETWEEN <lowerBound> AND <upperBound>.
  • SQLColumn
    An expression representing an optionally table-qualified column in an SQL table.
  • SQLConstraint
    An expression representing the combination of a constraint name and algorithm for table constraints.
  • SQLDataType
    Represents a value’s type in SQL.
  • SQLDirection
    Describes an ordering direction for a given sorting key.
  • SQLDistinct
    An expression representing the subexpression of an aggregate function call which specifies whether the aggregate groups over all result rows or only distinct rows.
  • SQLForeignKeyAction
    An expression specifying a behavior for a foreign key constraint violation.
  • SQLNestedSubpathExpression
    A “nested subpath” expression is used to descend into the “deeper” structure of a non-scalar value, such as a dictionary, array, or JSON value.
  • SQLQueryString
    An expression consisting of an array of constituent subexpressions generated by custom string interpolations.