Select() {
#Select table [col1 [col2 [..]]] <	WHERE_key WHERE_operator WHERE_value
#					[WHERE_key WHERE_operator WHERE_value
#					[…]]
	local			\
		table="$1"	\
		col		\
		columns		\
		operator	\
		results		\
		where_statement
	shift
	for col
	do
		(( ${#columns} )) && columns+=','
		columns+="$col"
	done
	while read key operator value
	do
		(( ${#where_statement} )) && where_statement+=( "AND" )
		where_statement+=( "$key $operator "'"'"${value//\"/\"\"}"'"' )
	done
	echo	"SELECT IFNULL("				\
			"(SELECT $columns FROM $table"		\
				"WHERE ${where_statement[@]})"	\
			",'SQL::Select:not found'"		\
		");" >&3
	read -u 4 results
	if ! [[ $results == "SQL::Select:not found" ]]
	then
		echo "$results"
	else
		return 1
	fi
}