abstract class Focus::Expression

• Focus::Expression
• Reference
• Object

Direct Known Subclasses

• Focus::AggregateExpression
• Focus::AliasedExpression
• Focus::ArrayExpression(T)
• Focus::BinaryExpression
• Focus::BoolExpression
• Focus::CastExpression
• Focus::ColumnReferenceExpression
• Focus::ComplexExpression
• Focus::DateExpression
• Focus::FunctionExpression
• Focus::IntervalExpression
• Focus::JsonbExpression
• Focus::LiteralExpression(T)
• Focus::NullLiteral
• Focus::NumericExpression
• Focus::PostfixOperatorExpression
• Focus::PrefixOperatorExpression
• Focus::StatementExpression
• Focus::StringExpression
• Focus::TimeExpression
• Focus::TimestampExpression
• Focus::TimestampTzExpression
• Focus::Token
• Focus::ValueExpression
• Focus::WildcardExpression

Defined in:

focus/expression.cr

Instance Method Summary

• #accept(visitor : SqlVisitor) : Nil

  The visitor pattern seems to fail with generic types the {% @type %} here is to force the compiler to instantiate a separate def for each generic instance https://forum.crystal-lang.org/t/incorrect-overload-selected-with-freevar-and-generic-inheritance/3625

• #aliased(alias_str : String) : Focus::AliasedExpression
• #in_list(expressions : Array(Focus::Expression)) : Focus::BoolExpression
• #in_list(statement : Focus::SelectStatement) : Focus::BoolExpression
• #in_list(*expressions : Focus::Expression) : Focus::BoolExpression
• #is_not_null : Focus::BoolExpression
• #is_null : Focus::BoolExpression
• #not_in_list(expressions : Array(Focus::Expression)) : Focus::BoolExpression
• #not_in_list(statement : Focus::SelectStatement) : Focus::BoolExpression
• #not_in_list(*expressions : Focus::Expression) : Focus::BoolExpression

Instance Method Detail