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cargo fmt, fix compiler warnings

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Andy Grove 2018-12-16 13:57:01 -07:00
parent 24af049930
commit e863bc041c
8 changed files with 93 additions and 77 deletions
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1
src/dialect/mod.rs
View file

@ -3,7 +3,6 @@ mod generic_sql;
pub mod keywords;
mod postgresql;
pub use self::ansi_sql::AnsiSqlDialect;
pub use self::generic_sql::GenericSqlDialect;
pub use self::postgresql::PostgreSqlDialect;

4
src/dialect/postgresql.rs
View file

@ -13,8 +13,8 @@ impl Dialect for PostgreSqlDialect {
CHAR, CHARACTER, VARYING, LARGE, VARCHAR, CLOB, BINARY, VARBINARY, BLOB, FLOAT, REAL,
DOUBLE, PRECISION, INT, INTEGER, SMALLINT, BIGINT, NUMERIC, DECIMAL, DEC, BOOLEAN,
DATE, TIME, TIMESTAMP, VALUES, DEFAULT, ZONE, REGCLASS, TEXT, BYTEA, TRUE, FALSE, COPY,
STDIN, PRIMARY, KEY, UNIQUE, UUID, ADD, CONSTRAINT, FOREIGN, REFERENCES,
CASE, WHEN, THEN, ELSE, END, LIKE,
STDIN, PRIMARY, KEY, UNIQUE, UUID, ADD, CONSTRAINT, FOREIGN, REFERENCES, CASE, WHEN,
THEN, ELSE, END, LIKE,
];
}

12
src/sqlast/mod.rs
View file

@ -167,10 +167,16 @@ impl ToString for ASTNode {
.collect::<Vec<String>>()
.join(", ")
),
ASTNode::SQLCase { conditions, results, else_result } => {
ASTNode::SQLCase {
conditions,
results,
else_result,
} => {
let mut s = format!(
"CASE {}",
conditions.iter().zip(results)
conditions
.iter()
.zip(results)
.map(|(c, r)| format!("WHEN {} THEN {}", c.to_string(), r.to_string()))
.collect::<Vec<String>>()
.join(" ")
@ -179,7 +185,7 @@ impl ToString for ASTNode {
s += &format!(" ELSE {}", else_result.to_string())
}
s + " END"
},
}
ASTNode::SQLSelect {
projection,
relation,

5
src/sqlast/value.rs
View file

@ -1,7 +1,4 @@
use chrono::{
offset::{FixedOffset},
DateTime, NaiveDate, NaiveDateTime, NaiveTime,
};
use chrono::{offset::FixedOffset, DateTime, NaiveDate, NaiveDateTime, NaiveTime};
use uuid::Uuid;

41
src/sqlparser.rs
View file

@ -17,10 +17,7 @@
use super::dialect::Dialect;
use super::sqlast::*;
use super::sqltokenizer::*;
use chrono::{
offset::FixedOffset,
DateTime, NaiveDate, NaiveDateTime, NaiveTime,
};
use chrono::{offset::FixedOffset, DateTime, NaiveDate, NaiveDateTime, NaiveTime};
#[derive(Debug, Clone)]
pub enum ParserError {
@ -109,10 +106,8 @@ impl Parser {
"NULL" => {
self.prev_token();
self.parse_sql_value()
},
"CASE" => {
self.parse_case_expression()
}
"CASE" => self.parse_case_expression(),
_ => return parser_err!(format!("No prefix parser for keyword {}", k)),
},
Token::Mult => Ok(ASTNode::SQLWildcard),
@ -156,14 +151,14 @@ impl Parser {
Token::DoubleQuotedString(_) => {
self.prev_token();
self.parse_sql_value()
},
}
Token::LParen => {
let expr = self.parse();
if !self.consume_token(&Token::RParen)? {
return parser_err!(format!("expected token RParen"));
}
expr
},
}
_ => parser_err!(format!(
"Prefix parser expected a keyword but found {:?}",
t
@ -211,20 +206,20 @@ impl Parser {
if self.parse_keywords(vec!["ELSE"]) {
else_result = Some(Box::new(self.parse_expr(0)?));
if self.parse_keywords(vec!["END"]) {
break
break;
} else {
return parser_err!("Expecting END after a CASE..ELSE");
}
}
if self.parse_keywords(vec!["END"]) {
break
break;
}
self.consume_token(&Token::Keyword("WHEN".to_string()))?;
}
Ok(ASTNode::SQLCase {
conditions,
results,
else_result
else_result,
})
} else {
// TODO: implement "simple" case
@ -356,7 +351,7 @@ impl Parser {
&Token::Keyword(ref k) if k == "OR" => Ok(5),
&Token::Keyword(ref k) if k == "AND" => Ok(10),
&Token::Keyword(ref k) if k == "IS" => Ok(15),
&Token::Keyword(ref k )if k == "LIKE" => Ok(20),
&Token::Keyword(ref k) if k == "LIKE" => Ok(20),
&Token::Eq | &Token::Lt | &Token::LtEq | &Token::Neq | &Token::Gt | &Token::GtEq => {
Ok(20)
}
@ -753,12 +748,12 @@ impl Parser {
},
Token::Number(ref n) => match n.parse::<i64>() {
Ok(n) => {
// if let Some(Token::Minus) = self.peek_token() {
// self.prev_token();
// self.parse_timestamp_value()
// } else {
// if let Some(Token::Minus) = self.peek_token() {
// self.prev_token();
// self.parse_timestamp_value()
// } else {
Ok(Value::Long(n))
// }
// }
}
Err(e) => parser_err!(format!("Could not parse '{}' as i64: {}", n, e)),
},
@ -1217,19 +1212,17 @@ impl Parser {
// look for optional ASC / DESC specifier
let asc = match self.peek_token() {
Some(Token::Keyword(k)) => {
match k.to_uppercase().as_ref() {
Some(Token::Keyword(k)) => match k.to_uppercase().as_ref() {
"ASC" => {
self.next_token();
true
},
}
"DESC" => {
self.next_token();
false
}
_ => true,
},
_ => true
}
}
Some(Token::Comma) => true,
_ => true,
};

6
tests/sqlparser_ansi.rs
View file

@ -11,16 +11,13 @@ fn parse_simple_select() {
let sql = String::from("SELECT id, fname, lname FROM customer WHERE id = 1");
let ast = parse_sql(&sql);
match ast {
ASTNode::SQLSelect {
projection, ..
} => {
ASTNode::SQLSelect { projection, .. } => {
assert_eq!(3, projection.len());
}
_ => assert!(false),
}
}
fn parse_sql(sql: &str) -> ASTNode {
let dialect = AnsiSqlDialect {};
let mut tokenizer = Tokenizer::new(&dialect, &sql);
@ -29,4 +26,3 @@ fn parse_sql(sql: &str) -> ASTNode {
let ast = parser.parse().unwrap();
ast
}

60
tests/sqlparser_generic.rs
View file

@ -13,7 +13,9 @@ fn parse_delete_statement() {
match parse_sql(&sql) {
ASTNode::SQLDelete { relation, .. } => {
assert_eq!(
Some(Box::new(ASTNode::SQLValue(Value::SingleQuotedString("table".to_string())))),
Some(Box::new(ASTNode::SQLValue(Value::SingleQuotedString(
"table".to_string()
)))),
relation
);
}
@ -36,7 +38,9 @@ fn parse_where_delete_statement() {
..
} => {
assert_eq!(
Some(Box::new(ASTNode::SQLValue(Value::SingleQuotedString("table".to_string())))),
Some(Box::new(ASTNode::SQLValue(Value::SingleQuotedString(
"table".to_string()
)))),
relation
);
@ -207,7 +211,9 @@ fn parse_select_order_by_limit() {
);
let ast = parse_sql(&sql);
match ast {
ASTNode::SQLSelect { order_by, limit, .. } => {
ASTNode::SQLSelect {
order_by, limit, ..
} => {
assert_eq!(
Some(vec![
SQLOrderByExpr {
@ -341,7 +347,10 @@ fn parse_literal_string() {
let sql = "SELECT 'one'";
match parse_sql(&sql) {
ASTNode::SQLSelect { ref projection, .. } => {
assert_eq!(projection[0], ASTNode::SQLValue(Value::SingleQuotedString("one".to_string())));
assert_eq!(
projection[0],
ASTNode::SQLValue(Value::SingleQuotedString("one".to_string()))
);
}
_ => panic!(),
}
@ -392,8 +401,9 @@ fn parse_parens() {
op: Plus,
right: Box::new(SQLIdentifier("d".to_string()))
})
}
, ast);
},
ast
);
}
#[test]
@ -410,17 +420,28 @@ fn parse_case_expression() {
SQLCase {
conditions: vec![
SQLIsNull(Box::new(SQLIdentifier("bar".to_string()))),
SQLBinaryExpr { left: Box::new(SQLIdentifier("bar".to_string())),
op: Eq, right: Box::new(SQLValue(Value::Long(0))) },
SQLBinaryExpr { left: Box::new(SQLIdentifier("bar".to_string())),
op: GtEq, right: Box::new(SQLValue(Value::Long(0))) }
],
results: vec![SQLValue(Value::SingleQuotedString("null".to_string())),
SQLValue(Value::SingleQuotedString("=0".to_string())),
SQLValue(Value::SingleQuotedString(">=0".to_string()))],
else_result: Some(Box::new(SQLValue(Value::SingleQuotedString("<0".to_string()))))
SQLBinaryExpr {
left: Box::new(SQLIdentifier("bar".to_string())),
op: Eq,
right: Box::new(SQLValue(Value::Long(0)))
},
projection[0]);
SQLBinaryExpr {
left: Box::new(SQLIdentifier("bar".to_string())),
op: GtEq,
right: Box::new(SQLValue(Value::Long(0)))
}
],
results: vec![
SQLValue(Value::SingleQuotedString("null".to_string())),
SQLValue(Value::SingleQuotedString("=0".to_string())),
SQLValue(Value::SingleQuotedString(">=0".to_string()))
],
else_result: Some(Box::new(SQLValue(Value::SingleQuotedString(
"<0".to_string()
))))
},
projection[0]
);
}
_ => assert!(false),
}
@ -445,7 +466,9 @@ fn parse_delete_with_semi_colon() {
match parse_sql(&sql) {
ASTNode::SQLDelete { relation, .. } => {
assert_eq!(
Some(Box::new(ASTNode::SQLValue(Value::SingleQuotedString("table".to_string())))),
Some(Box::new(ASTNode::SQLValue(Value::SingleQuotedString(
"table".to_string()
)))),
relation
);
}
@ -455,10 +478,9 @@ fn parse_delete_with_semi_colon() {
fn parse_sql(sql: &str) -> ASTNode {
let dialect = GenericSqlDialect {};
let mut tokenizer = Tokenizer::new(&dialect,&sql, );
let mut tokenizer = Tokenizer::new(&dialect, &sql);
let tokens = tokenizer.tokenize().unwrap();
let mut parser = Parser::new(tokens);
let ast = parser.parse().unwrap();
ast
}

11
tests/sqlparser_postgres.rs
View file

@ -632,17 +632,18 @@ PHP ₱ USD $
//assert_eq!(sql, ast.to_string());
}
#[ignore]
#[test]
fn parse_timestamps_example() {
let sql = "2016-02-15 09:43:33";
let ast = parse_sql(sql);
assert_eq!(sql, ast.to_string());
let _ = parse_sql(sql);
//TODO add assertion
}
#[test]
fn parse_timestamps_with_millis_example() {
let sql = "2017-11-02 19:15:42.308637";
let _ = parse_sql(sql);
//TODO add assertion
}
#[test]
@ -742,7 +743,9 @@ fn parse_like() {
ASTNode::SQLBinaryExpr {
left: Box::new(ASTNode::SQLIdentifier("name".to_string())),
op: SQLOperator::Like,
right: Box::new(ASTNode::SQLValue(Value::SingleQuotedString("%a".to_string()))),
right: Box::new(ASTNode::SQLValue(Value::SingleQuotedString(
"%a".to_string()
))),
},
*selection.unwrap()
);