Identifiers

Regular identifiers accept Unicode letters and digits. Use delimited identifiers for spaces, punctuation or keyword-like names. Identifier spelling is preserved; catalog names are case-sensitive after decoding.

LET `display name` = 'Alice'
RETURN `display name` AS name;

The parser accepts both backtick and double-quoted delimited identifiers, escape sequences and no-escape prefixes. Character strings use single quotes. A dot in a delimited identifier belongs to the name; it is not a property-access separator.

Parameter names can be regular ($name), extended ($123) or delimited ($"tenant id"). The leading $ is GQL syntax; the Rust set_parameter API takes the decoded name without it.

SESSION SET VALUE $"tenant id" STRING = 'acme';
RETURN $"tenant id" AS tenant;

Catalog paths resolve directory/schema names separately from query binding variables.

Escapes and Unicode

An @ prefix disables backslash escaping in a delimited identifier. Unicode regular names need no delimiters when they satisfy identifier rules.

LET 名字 = 'Alice', @`raw\nname` = 'Bob'
RETURN 名字 AS name, @`raw\nname` AS raw_name;

Here the raw identifier contains the literal characters backslash and n, not a newline.