Module: Arel::Visitors::PgAnyWhereVisitor

Defined in:

lib/pg_any_where/arel_visitor.rb

Overview

Arel visitor extension that rewrites IN / NOT IN predicates for PostgreSQL to use the array operators ANY and ALL.

Prepended onto Arel::Visitors::PostgreSQL via PgAnyWhere.patch!.

SQL shape produced:

-- non-empty, inclusive
"table"."column" = ANY($1::integer[])

-- empty, inclusive  (no 1=0 footgun)
"table"."column" = ANY(ARRAY[]::integer[])

-- non-empty, exclusive
"table"."column" != ALL($1::integer[])

-- empty, exclusive  (no 1=1 footgun)
"table"."column" != ALL(ARRAY[]::integer[])

rubocop:disable Naming/MethodName – Arel visitor method names mirror node class names