pub enum Rule {
Show 19 variants
WHITESPACE,
SELECT,
FROM,
WHERE,
identifier,
number,
string,
boolean,
operator,
function_name,
table,
select_query,
select_list,
star,
select_item,
function_call,
where_clause,
condition,
value,
}Variants§
WHITESPACE
Matches any amount of whitespace (spaces, tabs, newlines).
SELECT
Matches the select keyword in a query.
FROM
Matches the from keyword in a query.
WHERE
Matches the where keyword in a query.
identifier
Matches an identifier, such as column or table names. Identifiers start with a letter or underscore and can contain alphanumeric characters and underscores.
number
Matches numeric literals, including optional negative sign.
string
Matches string literals enclosed in single quotes.
boolean
Matches boolean literals (true or false).
operator
Matches operators such as =, !=, >=, <=, <, and >.
function_name
Matches the name of a function, consisting of alphanumeric characters and underscores.
table
Matches a table name or a subquery enclosed in parentheses.
select_query
Matches an entire select query.
Consists of a select keyword, a list of columns, a from clause, and an optional where clause.
select_list
Matches a list of items in the select clause.
Items are separated by commas.
star
Matches the * character used to select all columns.
select_item
Matches a single item in the select clause.
Items can be columns, function calls, or the * character.
function_call
Matches a function call with a name and optional arguments.
Arguments can be columns, other function calls, or the * character.
where_clause
Matches the where clause of a query.
Consists of the where keyword followed by a condition.
condition
Matches a condition in the where clause.
Consists of an identifier, an operator, and a value.
value
Matches a value in the query. Values can be strings, numbers, or boolean literals.