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sqlparser_postgres.rs
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1003 lines (935 loc) · 31.4 KB
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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#![warn(clippy::all)]
//! Test SQL syntax specific to PostgreSQL. The parser based on the
//! generic dialect is also tested (on the inputs it can handle).
#[macro_use]
mod test_utils;
use test_utils::*;
use sqlparser::ast::*;
use sqlparser::dialect::{GenericDialect, PostgreSqlDialect};
use sqlparser::parser::ParserError;
#[test]
fn parse_create_table_with_defaults() {
let sql = "CREATE TABLE public.customer (
customer_id integer DEFAULT nextval(public.customer_customer_id_seq),
store_id smallint NOT NULL,
first_name character varying(45) NOT NULL,
last_name character varying(45) COLLATE \"es_ES\" NOT NULL,
email character varying(50),
address_id smallint NOT NULL,
activebool boolean DEFAULT true NOT NULL,
create_date date DEFAULT now()::text NOT NULL,
last_update timestamp without time zone DEFAULT now() NOT NULL,
active integer NOT NULL
) WITH (fillfactor = 20, user_catalog_table = true, autovacuum_vacuum_threshold = 100)";
match pg_and_generic().one_statement_parses_to(sql, "") {
Statement::CreateTable {
name,
columns,
constraints,
with_options,
if_not_exists: false,
external: false,
file_format: None,
location: None,
..
} => {
assert_eq!("public.customer", name.to_string());
assert_eq!(
columns,
vec![
ColumnDef {
name: "customer_id".into(),
data_type: DataType::Int(None),
collation: None,
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::Default(
pg().verified_expr("nextval(public.customer_customer_id_seq)")
)
}],
},
ColumnDef {
name: "store_id".into(),
data_type: DataType::SmallInt(None),
collation: None,
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::NotNull,
}],
},
ColumnDef {
name: "first_name".into(),
data_type: DataType::Varchar(Some(45)),
collation: None,
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::NotNull,
}],
},
ColumnDef {
name: "last_name".into(),
data_type: DataType::Varchar(Some(45)),
collation: Some(ObjectName(vec![Ident::with_quote('"', "es_ES")])),
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::NotNull,
}],
},
ColumnDef {
name: "email".into(),
data_type: DataType::Varchar(Some(50)),
collation: None,
options: vec![],
},
ColumnDef {
name: "address_id".into(),
data_type: DataType::SmallInt(None),
collation: None,
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::NotNull
}],
},
ColumnDef {
name: "activebool".into(),
data_type: DataType::Boolean,
collation: None,
options: vec![
ColumnOptionDef {
name: None,
option: ColumnOption::Default(Expr::Value(Value::Boolean(true))),
},
ColumnOptionDef {
name: None,
option: ColumnOption::NotNull,
}
],
},
ColumnDef {
name: "create_date".into(),
data_type: DataType::Date,
collation: None,
options: vec![
ColumnOptionDef {
name: None,
option: ColumnOption::Default(
pg().verified_expr("CAST(now() AS TEXT)")
)
},
ColumnOptionDef {
name: None,
option: ColumnOption::NotNull,
}
],
},
ColumnDef {
name: "last_update".into(),
data_type: DataType::Timestamp,
collation: None,
options: vec![
ColumnOptionDef {
name: None,
option: ColumnOption::Default(pg().verified_expr("now()")),
},
ColumnOptionDef {
name: None,
option: ColumnOption::NotNull,
}
],
},
ColumnDef {
name: "active".into(),
data_type: DataType::Int(None),
collation: None,
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::NotNull
}],
},
]
);
assert!(constraints.is_empty());
assert_eq!(
with_options,
vec![
SqlOption {
name: "fillfactor".into(),
value: number("20")
},
SqlOption {
name: "user_catalog_table".into(),
value: Value::Boolean(true)
},
SqlOption {
name: "autovacuum_vacuum_threshold".into(),
value: number("100")
},
]
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_from_pg_dump() {
let sql = "CREATE TABLE public.customer (
customer_id integer DEFAULT nextval('public.customer_customer_id_seq'::regclass) NOT NULL,
store_id smallint NOT NULL,
first_name character varying(45) NOT NULL,
last_name character varying(45) NOT NULL,
info text[],
address_id smallint NOT NULL,
activebool boolean DEFAULT true NOT NULL,
create_date date DEFAULT now()::DATE NOT NULL,
create_date1 date DEFAULT 'now'::TEXT::date NOT NULL,
last_update timestamp without time zone DEFAULT now(),
release_year public.year,
active integer
)";
pg().one_statement_parses_to(sql, "CREATE TABLE public.customer (\
customer_id INT DEFAULT nextval(CAST('public.customer_customer_id_seq' AS REGCLASS)) NOT NULL, \
store_id SMALLINT NOT NULL, \
first_name CHARACTER VARYING(45) NOT NULL, \
last_name CHARACTER VARYING(45) NOT NULL, \
info TEXT[], \
address_id SMALLINT NOT NULL, \
activebool BOOLEAN DEFAULT true NOT NULL, \
create_date DATE DEFAULT CAST(now() AS DATE) NOT NULL, \
create_date1 DATE DEFAULT CAST(CAST('now' AS TEXT) AS DATE) NOT NULL, \
last_update TIMESTAMP DEFAULT now(), \
release_year public.year, \
active INT\
)");
}
#[test]
fn parse_create_table_with_inherit() {
let sql = "\
CREATE TABLE bazaar.settings (\
settings_id UUID PRIMARY KEY DEFAULT uuid_generate_v4() NOT NULL, \
user_id UUID UNIQUE, \
value TEXT[], \
use_metric BOOLEAN DEFAULT true\
)";
pg().verified_stmt(sql);
}
#[test]
fn parse_create_table_empty() {
// Zero-column tables are weird, but supported by at least PostgreSQL.
// <https://github.com/sqlparser-rs/sqlparser-rs/pull/94>
let _ = pg_and_generic().verified_stmt("CREATE TABLE t ()");
}
#[test]
fn parse_create_table_constraints_only() {
// Zero-column tables can also have constraints in PostgreSQL
let sql = "CREATE TABLE t (CONSTRAINT positive CHECK (2 > 1))";
let ast = pg_and_generic().verified_stmt(sql);
match ast {
Statement::CreateTable {
name,
columns,
constraints,
..
} => {
assert_eq!("t", name.to_string());
assert!(columns.is_empty());
assert_eq!(
only(constraints).to_string(),
"CONSTRAINT positive CHECK (2 > 1)"
);
}
_ => unreachable!(),
};
}
#[test]
fn parse_alter_table_constraints_rename() {
match pg().verified_stmt("ALTER TABLE tab RENAME CONSTRAINT old_name TO new_name") {
Statement::AlterTable {
name,
operation: AlterTableOperation::RenameConstraint { old_name, new_name },
} => {
assert_eq!("tab", name.to_string());
assert_eq!(old_name.to_string(), "old_name");
assert_eq!(new_name.to_string(), "new_name");
}
_ => unreachable!(),
}
}
#[test]
fn parse_alter_table_alter_column() {
pg().one_statement_parses_to(
"ALTER TABLE tab ALTER COLUMN is_active TYPE TEXT USING 'text'",
"ALTER TABLE tab ALTER COLUMN is_active SET DATA TYPE TEXT USING 'text'",
);
match pg()
.verified_stmt("ALTER TABLE tab ALTER COLUMN is_active SET DATA TYPE TEXT USING 'text'")
{
Statement::AlterTable {
name,
operation: AlterTableOperation::AlterColumn { column_name, op },
} => {
assert_eq!("tab", name.to_string());
assert_eq!("is_active", column_name.to_string());
let using_expr = Expr::Value(Value::SingleQuotedString("text".to_string()));
assert_eq!(
op,
AlterColumnOperation::SetDataType {
data_type: DataType::Text,
using: Some(using_expr),
}
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_if_not_exists() {
let sql = "CREATE TABLE IF NOT EXISTS uk_cities ()";
let ast = pg_and_generic().verified_stmt(sql);
match ast {
Statement::CreateTable {
name,
if_not_exists: true,
..
} => {
assert_eq!("uk_cities", name.to_string());
}
_ => unreachable!(),
}
}
#[test]
fn parse_bad_if_not_exists() {
let res = pg().parse_sql_statements("CREATE TABLE NOT EXISTS uk_cities ()");
assert_eq!(
ParserError::ParserError("Expected end of statement, found: EXISTS".to_string()),
res.unwrap_err()
);
let res = pg().parse_sql_statements("CREATE TABLE IF EXISTS uk_cities ()");
assert_eq!(
ParserError::ParserError("Expected end of statement, found: EXISTS".to_string()),
res.unwrap_err()
);
let res = pg().parse_sql_statements("CREATE TABLE IF uk_cities ()");
assert_eq!(
ParserError::ParserError("Expected end of statement, found: uk_cities".to_string()),
res.unwrap_err()
);
let res = pg().parse_sql_statements("CREATE TABLE IF NOT uk_cities ()");
assert_eq!(
ParserError::ParserError("Expected end of statement, found: NOT".to_string()),
res.unwrap_err()
);
}
#[test]
fn parse_create_schema_if_not_exists() {
let sql = "CREATE SCHEMA IF NOT EXISTS schema_name";
let ast = pg_and_generic().verified_stmt(sql);
match ast {
Statement::CreateSchema {
if_not_exists: true,
schema_name,
} => assert_eq!("schema_name", schema_name.to_string()),
_ => unreachable!(),
}
}
#[test]
fn parse_drop_schema_if_exists() {
let sql = "DROP SCHEMA IF EXISTS schema_name";
let ast = pg().verified_stmt(sql);
match ast {
Statement::Drop {
object_type,
if_exists: true,
..
} => assert_eq!(object_type, ObjectType::Schema),
_ => unreachable!(),
}
}
#[test]
fn parse_copy_example() {
let sql = r#"COPY public.actor (actor_id, first_name, last_name, last_update, value) FROM stdin;
1 PENELOPE GUINESS 2006-02-15 09:34:33 0.11111
2 NICK WAHLBERG 2006-02-15 09:34:33 0.22222
3 ED CHASE 2006-02-15 09:34:33 0.312323
4 JENNIFER DAVIS 2006-02-15 09:34:33 0.3232
5 JOHNNY LOLLOBRIGIDA 2006-02-15 09:34:33 1.343
6 BETTE NICHOLSON 2006-02-15 09:34:33 5.0
7 GRACE MOSTEL 2006-02-15 09:34:33 6.0
8 MATTHEW JOHANSSON 2006-02-15 09:34:33 7.0
9 JOE SWANK 2006-02-15 09:34:33 8.0
10 CHRISTIAN GABLE 2006-02-15 09:34:33 9.1
11 ZERO CAGE 2006-02-15 09:34:33 10.001
12 KARL BERRY 2017-11-02 19:15:42.308637+08 11.001
A Fateful Reflection of a Waitress And a Boat who must Discover a Sumo Wrestler in Ancient China
Kwara & Kogi
{"Deleted Scenes","Behind the Scenes"}
'awe':5 'awe-inspir':4 'barbarella':1 'cat':13 'conquer':16 'dog':18 'feminist':10 'inspir':6 'monasteri':21 'must':15 'stori':7 'streetcar':2
PHP ₱ USD $
\N Some other value
\\."#;
let ast = pg_and_generic().one_statement_parses_to(sql, "");
println!("{:#?}", ast);
//assert_eq!(sql, ast.to_string());
}
#[test]
fn test_copy_from() {
let stmt = pg().verified_stmt("COPY users FROM 'data.csv'");
assert_eq!(
stmt,
Statement::Copy {
table_name: ObjectName(vec!["users".into()]),
columns: vec![],
filename: Some(Ident {
value: "data.csv".to_string(),
quote_style: Some('\'')
}),
values: vec![],
delimiter: None,
csv_header: false,
to: false
}
);
let stmt = pg().verified_stmt("COPY users FROM 'data.csv' DELIMITER ','");
assert_eq!(
stmt,
Statement::Copy {
table_name: ObjectName(vec!["users".into()]),
columns: vec![],
filename: Some(Ident {
value: "data.csv".to_string(),
quote_style: Some('\'')
}),
values: vec![],
delimiter: Some(Ident {
value: ",".to_string(),
quote_style: Some('\'')
}),
csv_header: false,
to: false
}
);
let stmt = pg().verified_stmt("COPY users FROM 'data.csv' DELIMITER ',' CSV HEADER");
assert_eq!(
stmt,
Statement::Copy {
table_name: ObjectName(vec!["users".into()]),
columns: vec![],
filename: Some(Ident {
value: "data.csv".to_string(),
quote_style: Some('\'')
}),
values: vec![],
delimiter: Some(Ident {
value: ",".to_string(),
quote_style: Some('\'')
}),
csv_header: true,
to: false
}
)
}
#[test]
fn test_copy_to() {
let stmt = pg().verified_stmt("COPY users TO 'data.csv'");
assert_eq!(
stmt,
Statement::Copy {
table_name: ObjectName(vec!["users".into()]),
columns: vec![],
filename: Some(Ident {
value: "data.csv".to_string(),
quote_style: Some('\'')
}),
values: vec![],
delimiter: None,
csv_header: false,
to: true
}
);
let stmt = pg().verified_stmt("COPY users TO 'data.csv' DELIMITER ','");
assert_eq!(
stmt,
Statement::Copy {
table_name: ObjectName(vec!["users".into()]),
columns: vec![],
filename: Some(Ident {
value: "data.csv".to_string(),
quote_style: Some('\'')
}),
values: vec![],
delimiter: Some(Ident {
value: ",".to_string(),
quote_style: Some('\'')
}),
csv_header: false,
to: true
}
);
let stmt = pg().verified_stmt("COPY users TO 'data.csv' DELIMITER ',' CSV HEADER");
assert_eq!(
stmt,
Statement::Copy {
table_name: ObjectName(vec!["users".into()]),
columns: vec![],
filename: Some(Ident {
value: "data.csv".to_string(),
quote_style: Some('\'')
}),
values: vec![],
delimiter: Some(Ident {
value: ",".to_string(),
quote_style: Some('\'')
}),
csv_header: true,
to: true
}
)
}
#[test]
fn parse_set() {
let stmt = pg_and_generic().verified_stmt("SET a = b");
assert_eq!(
stmt,
Statement::SetVariable {
local: false,
hivevar: false,
variable: "a".into(),
value: vec![SetVariableValue::Ident("b".into())],
}
);
let stmt = pg_and_generic().verified_stmt("SET a = 'b'");
assert_eq!(
stmt,
Statement::SetVariable {
local: false,
hivevar: false,
variable: "a".into(),
value: vec![SetVariableValue::Literal(Value::SingleQuotedString(
"b".into()
))],
}
);
let stmt = pg_and_generic().verified_stmt("SET a = 0");
assert_eq!(
stmt,
Statement::SetVariable {
local: false,
hivevar: false,
variable: "a".into(),
value: vec![SetVariableValue::Literal(number("0"))],
}
);
let stmt = pg_and_generic().verified_stmt("SET a = DEFAULT");
assert_eq!(
stmt,
Statement::SetVariable {
local: false,
hivevar: false,
variable: "a".into(),
value: vec![SetVariableValue::Ident("DEFAULT".into())],
}
);
let stmt = pg_and_generic().verified_stmt("SET LOCAL a = b");
assert_eq!(
stmt,
Statement::SetVariable {
local: true,
hivevar: false,
variable: "a".into(),
value: vec![SetVariableValue::Ident("b".into())],
}
);
pg_and_generic().one_statement_parses_to("SET a TO b", "SET a = b");
pg_and_generic().one_statement_parses_to("SET SESSION a = b", "SET a = b");
assert_eq!(
pg_and_generic().parse_sql_statements("SET"),
Err(ParserError::ParserError(
"Expected identifier, found: EOF".to_string()
)),
);
assert_eq!(
pg_and_generic().parse_sql_statements("SET a b"),
Err(ParserError::ParserError(
"Expected equals sign or TO, found: b".to_string()
)),
);
assert_eq!(
pg_and_generic().parse_sql_statements("SET a ="),
Err(ParserError::ParserError(
"Expected variable value, found: EOF".to_string()
)),
);
}
#[test]
fn parse_show() {
let stmt = pg_and_generic().verified_stmt("SHOW a a");
assert_eq!(
stmt,
Statement::ShowVariable {
variable: vec!["a".into(), "a".into()]
}
);
let stmt = pg_and_generic().verified_stmt("SHOW ALL ALL");
assert_eq!(
stmt,
Statement::ShowVariable {
variable: vec!["ALL".into(), "ALL".into()]
}
)
}
#[test]
fn parse_deallocate() {
let stmt = pg_and_generic().verified_stmt("DEALLOCATE a");
assert_eq!(
stmt,
Statement::Deallocate {
name: "a".into(),
prepare: false,
}
);
let stmt = pg_and_generic().verified_stmt("DEALLOCATE ALL");
assert_eq!(
stmt,
Statement::Deallocate {
name: "ALL".into(),
prepare: false,
}
);
let stmt = pg_and_generic().verified_stmt("DEALLOCATE PREPARE a");
assert_eq!(
stmt,
Statement::Deallocate {
name: "a".into(),
prepare: true,
}
);
let stmt = pg_and_generic().verified_stmt("DEALLOCATE PREPARE ALL");
assert_eq!(
stmt,
Statement::Deallocate {
name: "ALL".into(),
prepare: true,
}
);
}
#[test]
fn parse_execute() {
let stmt = pg_and_generic().verified_stmt("EXECUTE a");
assert_eq!(
stmt,
Statement::Execute {
name: "a".into(),
parameters: vec![],
}
);
let stmt = pg_and_generic().verified_stmt("EXECUTE a(1, 't')");
assert_eq!(
stmt,
Statement::Execute {
name: "a".into(),
parameters: vec![
Expr::Value(number("1")),
Expr::Value(Value::SingleQuotedString("t".to_string()))
],
}
);
}
#[test]
fn parse_prepare() {
let stmt =
pg_and_generic().verified_stmt("PREPARE a AS INSERT INTO customers VALUES (a1, a2, a3)");
let sub_stmt = match stmt {
Statement::Prepare {
name,
data_types,
statement,
..
} => {
assert_eq!(name, "a".into());
assert!(data_types.is_empty());
statement
}
_ => unreachable!(),
};
match sub_stmt.as_ref() {
Statement::Insert {
table_name,
columns,
source,
..
} => {
assert_eq!(table_name.to_string(), "customers");
assert!(columns.is_empty());
let expected_values = [vec![
Expr::Identifier("a1".into()),
Expr::Identifier("a2".into()),
Expr::Identifier("a3".into()),
]];
match &source.body {
SetExpr::Values(Values(values)) => assert_eq!(values.as_slice(), &expected_values),
_ => unreachable!(),
}
}
_ => unreachable!(),
};
let stmt = pg_and_generic()
.verified_stmt("PREPARE a (INT, TEXT) AS SELECT * FROM customers WHERE customers.id = a1");
let sub_stmt = match stmt {
Statement::Prepare {
name,
data_types,
statement,
..
} => {
assert_eq!(name, "a".into());
assert_eq!(data_types, vec![DataType::Int(None), DataType::Text]);
statement
}
_ => unreachable!(),
};
assert_eq!(
sub_stmt,
Box::new(Statement::Query(Box::new(pg_and_generic().verified_query(
"SELECT * FROM customers WHERE customers.id = a1"
))))
);
}
#[test]
fn parse_pg_bitwise_binary_ops() {
let bitwise_ops = &[
("#", BinaryOperator::PGBitwiseXor),
(">>", BinaryOperator::PGBitwiseShiftRight),
("<<", BinaryOperator::PGBitwiseShiftLeft),
];
for (str_op, op) in bitwise_ops {
let select = pg().verified_only_select(&format!("SELECT a {} b", &str_op));
assert_eq!(
SelectItem::UnnamedExpr(Expr::BinaryOp {
left: Box::new(Expr::Identifier(Ident::new("a"))),
op: op.clone(),
right: Box::new(Expr::Identifier(Ident::new("b"))),
}),
select.projection[0]
);
}
}
#[test]
fn parse_pg_unary_ops() {
let pg_unary_ops = &[
("~", UnaryOperator::PGBitwiseNot),
("|/", UnaryOperator::PGSquareRoot),
("||/", UnaryOperator::PGCubeRoot),
("!!", UnaryOperator::PGPrefixFactorial),
("@", UnaryOperator::PGAbs),
];
for (str_op, op) in pg_unary_ops {
let select = pg().verified_only_select(&format!("SELECT {} a", &str_op));
assert_eq!(
SelectItem::UnnamedExpr(Expr::UnaryOp {
op: op.clone(),
expr: Box::new(Expr::Identifier(Ident::new("a"))),
}),
select.projection[0]
);
}
}
#[test]
fn parse_pg_postfix_factorial() {
let postfix_factorial = &[("!", UnaryOperator::PGPostfixFactorial)];
for (str_op, op) in postfix_factorial {
let select = pg().verified_only_select(&format!("SELECT a{}", &str_op));
assert_eq!(
SelectItem::UnnamedExpr(Expr::UnaryOp {
op: op.clone(),
expr: Box::new(Expr::Identifier(Ident::new("a"))),
}),
select.projection[0]
);
}
}
#[test]
fn parse_pg_regex_match_ops() {
let pg_regex_match_ops = &[
("~", BinaryOperator::PGRegexMatch),
("~*", BinaryOperator::PGRegexIMatch),
("!~", BinaryOperator::PGRegexNotMatch),
("!~*", BinaryOperator::PGRegexNotIMatch),
];
for (str_op, op) in pg_regex_match_ops {
let select = pg().verified_only_select(&format!("SELECT 'abc' {} '^a'", &str_op));
assert_eq!(
SelectItem::UnnamedExpr(Expr::BinaryOp {
left: Box::new(Expr::Value(Value::SingleQuotedString("abc".into()))),
op: op.clone(),
right: Box::new(Expr::Value(Value::SingleQuotedString("^a".into()))),
}),
select.projection[0]
);
}
}
#[test]
fn parse_array_index_expr() {
#[cfg(feature = "bigdecimal")]
let num: Vec<Expr> = (0..=10)
.into_iter()
.map(|s| Expr::Value(Value::Number(bigdecimal::BigDecimal::from(s), false)))
.collect();
#[cfg(not(feature = "bigdecimal"))]
let num: Vec<Expr> = (0..=10)
.into_iter()
.map(|s| Expr::Value(Value::Number(s.to_string(), false)))
.collect();
let sql = "SELECT foo[0] FROM foos";
let select = pg().verified_only_select(sql);
assert_eq!(
&Expr::ArrayIndex {
obj: Box::new(Expr::Identifier(Ident::new("foo"))),
indexs: vec![num[0].clone()],
},
expr_from_projection(only(&select.projection)),
);
let sql = "SELECT foo[0][0] FROM foos";
let select = pg().verified_only_select(sql);
assert_eq!(
&Expr::ArrayIndex {
obj: Box::new(Expr::Identifier(Ident::new("foo"))),
indexs: vec![num[0].clone(), num[0].clone()],
},
expr_from_projection(only(&select.projection)),
);
let sql = r#"SELECT bar[0]["baz"]["fooz"] FROM foos"#;
let select = pg().verified_only_select(sql);
assert_eq!(
&Expr::ArrayIndex {
obj: Box::new(Expr::Identifier(Ident::new("bar"))),
indexs: vec![
num[0].clone(),
Expr::Identifier(Ident {
value: "baz".to_string(),
quote_style: Some('"')
}),
Expr::Identifier(Ident {
value: "fooz".to_string(),
quote_style: Some('"')
})
],
},
expr_from_projection(only(&select.projection)),
);
let sql = "SELECT (CAST(ARRAY[ARRAY[2, 3]] AS INT[][]))[1][2]";
let select = pg().verified_only_select(sql);
assert_eq!(
&Expr::ArrayIndex {
obj: Box::new(Expr::Nested(Box::new(Expr::Cast {
expr: Box::new(Expr::Array(Array {
elem: vec![Expr::Array(Array {
elem: vec![num[2].clone(), num[3].clone(),],
named: true,
})],
named: true,
})),
data_type: DataType::Array(Box::new(DataType::Array(Box::new(DataType::Int(
None
)))))
}))),
indexs: vec![num[1].clone(), num[2].clone()],
},
expr_from_projection(only(&select.projection)),
);
}
#[test]
fn test_transaction_statement() {
let statement = pg().verified_stmt("SET TRANSACTION SNAPSHOT '000003A1-1'");
assert_eq!(
statement,
Statement::SetTransaction {
modes: vec![],
snapshot: Some(Value::SingleQuotedString(String::from("000003A1-1"))),
session: false
}
);
let statement = pg().verified_stmt("SET SESSION CHARACTERISTICS AS TRANSACTION READ ONLY, READ WRITE, ISOLATION LEVEL SERIALIZABLE");
assert_eq!(
statement,
Statement::SetTransaction {
modes: vec![
TransactionMode::AccessMode(TransactionAccessMode::ReadOnly),
TransactionMode::AccessMode(TransactionAccessMode::ReadWrite),
TransactionMode::IsolationLevel(TransactionIsolationLevel::Serializable),
],
snapshot: None,
session: true
}
);
}
#[test]
fn test_savepoint() {
match pg().verified_stmt("SAVEPOINT test1") {
Statement::Savepoint { name } => {
assert_eq!(Ident::new("test1"), name);
}
_ => unreachable!(),
}
}
#[test]
fn parse_comments() {
match pg().verified_stmt("COMMENT ON COLUMN tab.name IS 'comment'") {
Statement::Comment {
object_type,
object_name,
comment: Some(comment),
} => {
assert_eq!("comment", comment);
assert_eq!("tab.name", object_name.to_string());
assert_eq!(CommentObject::Column, object_type);
}
_ => unreachable!(),
}
match pg().verified_stmt("COMMENT ON TABLE public.tab IS 'comment'") {
Statement::Comment {
object_type,
object_name,
comment: Some(comment),
} => {
assert_eq!("comment", comment);
assert_eq!("public.tab", object_name.to_string());
assert_eq!(CommentObject::Table, object_type);
}
_ => unreachable!(),
}
match pg().verified_stmt("COMMENT ON TABLE public.tab IS NULL") {
Statement::Comment {
object_type,
object_name,
comment: None,
} => {
assert_eq!("public.tab", object_name.to_string());
assert_eq!(CommentObject::Table, object_type);
}
_ => unreachable!(),
}
}
#[test]
fn parse_quoted_identifier() {
pg_and_generic().verified_stmt(r#"SELECT "quoted "" ident""#);
}
fn pg() -> TestedDialects {
TestedDialects {
dialects: vec![Box::new(PostgreSqlDialect {})],
}
}
fn pg_and_generic() -> TestedDialects {
TestedDialects {