UPDATE

Grammar

<update statement> ::= UPDATE <table name> SET <set items> [WHERE <search condition>]

<set items> ::= <set item> [, <set item>]...

<set item> ::= <set item target> = <set item source>

<set item target> ::= <attr>

<set item source> ::= <expression>

<attr> is like path expression (i.e v, or v.x[0], etc.) but references a possibly nested attribute.