Method: Audrey::Engine::SQLite3::Query::Q0#select_objects

Defined in:
lib/audrey/engine/sqlite3/query/q0.rb

#select_objects(subqueries) ⇒ Object

select_objects



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# File 'lib/audrey/engine/sqlite3/query/q0.rb', line 108

def select_objects(subqueries)
	# $tm.hrm
	
	# query params
	params = {}
	subqueries['objects'] = params['sqpk'] = sub_query_pk()
	
	# initial sql
	sql = <<~'SQL'
	select
		:sqpk as sqpk, pk
	from
		objects
	where
		(partition = :partition)
	SQL
	
	# partition pk
	params['partition'] = @engine.partition
	
	# aclasses
	if (aclasses = @fquery.aclasses) and aclasses.any?
		wheres = []
		
		aclasses.each do |aclass|
			rs = Audrey::Util.randstr(40)
			wheres.push ":#{rs}"
			params[rs] = aclass
		end
		
		# add wheres
		sql += "	and\n" + '	(aclass in (' + wheres.join(', ') + '))'
	end
	
	# limit to hashes
	if subqueries['hash']
		sql = <<~"SQL"
		#{sql} and
			(pk in (select parent from query_rows where subquery=:hashsqpk))
		SQL
		
		params['hashsqpk'] = subqueries['hash']
	end
	
	# prepend insert into
	sql = <<~"SQL"
	insert into
		query_rows(subquery, parent)
	#{sql}
	SQL
	
	# execute
	@dbh.execute sql, params
end