Class: Neo4j::Core::QueryClauses::SetClause

Inherits:

Clause

• Object
• Clause
• Neo4j::Core::QueryClauses::SetClause

show all

Defined in:

lib/neo4j-core/query_clauses.rb

Constant Summary

Constant Summary

Constants included from CypherTranslator

CypherTranslator::EMPTY_PROPS, CypherTranslator::SANITIZE_ESCAPED_REGEXP

Instance Attribute Summary

Attributes inherited from Clause

#params

Class Method Summary (collapse)

• + (Object) clause_string(clauses)

Instance Method Summary (collapse)

• - (Object) from_key_and_value(key, value)

Methods inherited from Clause

#attributes_from_key_and_value, from_args, #from_hash, #from_string, #initialize, #label_from_key_and_value, #node_from_key_and_value, to_cypher, #value, #var_from_key_and_value

Methods included from CypherTranslator

#create_escape_value, #cypher_prop_list, #cypher_string, #escape_quotes, #escape_value, #label_string, #prop_identifier, #sanitize_escape_sequences, sanitized_column_names, translate_response

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# File 'lib/neo4j-core/query_clauses.rb', line 421

def clause_string(clauses)
  clauses.map!(&:value).join(', ')
end

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# File 'lib/neo4j-core/query_clauses.rb', line 402

def from_key_and_value(key, value)
  case value
  when String, Symbol
    "#{key} = #{value}"
  when Hash
    if @options[:set_props]
      attribute_string = value.map { |k, v| "#{k}: #{v.inspect}" }.join(', ')
      "#{key} = {#{attribute_string}}"
    else
      value.map do |k, v|
        key_value_string("#{key}.`#{k}`", v, ['setter'], true)
      end
    end
  else
    fail ArgError, value
  end
end