Class: Metka::BaseQuery
- Inherits:
-
Object
show all
- Includes:
- Singleton
- Defined in:
- lib/metka/query_builder/base_query.rb
Instance Method Summary
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Instance Method Details
#call(model, column_name, tag_list) ⇒ Object
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# File 'lib/metka/query_builder/base_query.rb', line 9
def call(model, column_name, tag_list)
tags = tag_list.to_a
if tags.one?
value = Arel::Nodes::SqlLiteral.new(
ActiveRecord::Base.sanitize_sql_for_conditions(['?', tags.first])
)
column_cast = Arel::Nodes::NamedFunction.new(
'ANY',
[model.arel_table[column_name]]
)
Arel::Nodes::Equality.new(value, column_cast)
else
value = Arel::Nodes::SqlLiteral.new(
ActiveRecord::Base.sanitize_sql_for_conditions(['ARRAY[?]::varchar[]', tags])
)
Arel::Nodes::InfixOperation.new(infix_operator, model.arel_table[column_name], value)
end
end
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