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2928 lines (2786 loc) · 104 KB
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
#[macro_use]
mod test_utils;
use std::ops::Deref;
use sqlparser::ast::helpers::attached_token::AttachedToken;
use sqlparser::ast::*;
use sqlparser::dialect::{BigQueryDialect, GenericDialect};
use sqlparser::keywords::Keyword;
use sqlparser::parser::{ParserError, ParserOptions};
use sqlparser::tokenizer::{Location, Span, Token, TokenWithSpan, Word};
use test_utils::*;
#[test]
fn parse_literal_string() {
let sql = concat!(
"SELECT ", // line 1, column 1
"'single', ", // line 1, column 7
r#""double", "#, // line 1, column 14
"'''triple-single''', ", // line 1, column 22
r#""""triple-double""", "#, // line 1, column 33
r#"'single\'escaped', "#, // line 1, column 43
r#"'''triple-single\'escaped''', "#, // line 1, column 55
r#"'''triple-single'unescaped''', "#, // line 1, column 68
r#""double\"escaped", "#, // line 1, column 83
r#""""triple-double\"escaped""", "#, // line 1, column 92
r#""""triple-double"unescaped""", "#, // line 1, column 105
r#""""triple-double'unescaped""", "#, // line 1, column 118
r#"'''triple-single"unescaped'''"#, // line 1, column 131
);
let dialect = TestedDialects::new_with_options(
vec![Box::new(BigQueryDialect {})],
ParserOptions::new().with_unescape(false),
);
let select = dialect.verified_only_select(sql);
assert_eq!(12, select.projection.len());
assert_eq!(
&Expr::Value(Value::SingleQuotedString("single".into()).with_empty_span()),
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Value(Value::DoubleQuotedString("double".into()).with_empty_span()),
expr_from_projection(&select.projection[1])
);
assert_eq!(
&Expr::Value(Value::TripleSingleQuotedString("triple-single".into()).with_empty_span()),
expr_from_projection(&select.projection[2])
);
assert_eq!(
&Expr::Value(Value::TripleDoubleQuotedString("triple-double".into()).with_empty_span()),
expr_from_projection(&select.projection[3])
);
assert_eq!(
&Expr::Value(Value::SingleQuotedString(r#"single\'escaped"#.into()).with_empty_span()),
expr_from_projection(&select.projection[4])
);
assert_eq!(
&Expr::Value(
Value::TripleSingleQuotedString(r#"triple-single\'escaped"#.into()).with_empty_span()
),
expr_from_projection(&select.projection[5])
);
assert_eq!(
&Expr::Value(
Value::TripleSingleQuotedString(r#"triple-single'unescaped"#.into()).with_empty_span()
),
expr_from_projection(&select.projection[6])
);
assert_eq!(
&Expr::Value(Value::DoubleQuotedString(r#"double\"escaped"#.to_string()).with_empty_span()),
expr_from_projection(&select.projection[7])
);
assert_eq!(
&Expr::Value(
Value::TripleDoubleQuotedString(r#"triple-double\"escaped"#.to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[8])
);
assert_eq!(
&Expr::Value(
Value::TripleDoubleQuotedString(r#"triple-double"unescaped"#.to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[9])
);
assert_eq!(
&Expr::Value(
Value::TripleDoubleQuotedString(r#"triple-double'unescaped"#.to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[10])
);
assert_eq!(
&Expr::Value(
Value::TripleSingleQuotedString(r#"triple-single"unescaped"#.to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[11])
);
}
#[test]
fn parse_byte_literal() {
let sql = concat!(
"SELECT ", // line 1, column 1
"B'abc', ", // line 1, column 8
r#"B"abc", "#, // line 1, column 15
r#"B'f\(abc,(.*),def\)', "#, // line 1, column 22
r#"B"f\(abc,(.*),def\)", "#, // line 1, column 42
r#"B'''abc''', "#, // line 1, column 62
r#"B"""abc""""#, // line 1, column 74
);
let stmt = bigquery().verified_stmt(sql);
if let Statement::Query(query) = stmt {
if let SetExpr::Select(select) = *query.body {
assert_eq!(6, select.projection.len());
assert_eq!(
&Expr::Value(
Value::SingleQuotedByteStringLiteral("abc".to_string()).with_empty_span()
),
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Value(
Value::DoubleQuotedByteStringLiteral("abc".to_string()).with_empty_span()
),
expr_from_projection(&select.projection[1])
);
assert_eq!(
&Expr::Value(
Value::SingleQuotedByteStringLiteral(r"f\(abc,(.*),def\)".to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[2])
);
assert_eq!(
&Expr::Value(
Value::DoubleQuotedByteStringLiteral(r"f\(abc,(.*),def\)".to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[3])
);
assert_eq!(
&Expr::Value(
Value::TripleSingleQuotedByteStringLiteral(r"abc".to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[4])
);
assert_eq!(
&Expr::Value(
Value::TripleDoubleQuotedByteStringLiteral(r"abc".to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[5])
);
}
} else {
panic!("invalid query");
}
bigquery().one_statement_parses_to(
r#"SELECT b'123', b"123", b'''123''', b"""123""""#,
r#"SELECT B'123', B"123", B'''123''', B"""123""""#,
);
}
#[test]
fn parse_raw_literal() {
let sql = concat!(
"SELECT ", // line 1, column 1
"R'abc', ", // line 1, column 8
r#"R"abc", "#, // line 1, column 15
r#"R'f\(abc,(.*),def\)', "#, // line 1, column 22
r#"R"f\(abc,(.*),def\)", "#, // line 1, column 42
r#"R'''abc''', "#, // line 1, column 62
r#"R"""abc""""#, // line 1, column 74
);
let stmt = bigquery().verified_stmt(sql);
if let Statement::Query(query) = stmt {
if let SetExpr::Select(select) = *query.body {
assert_eq!(6, select.projection.len());
assert_eq!(
&Expr::Value(
Value::SingleQuotedRawStringLiteral("abc".to_string()).with_empty_span()
),
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Value(
Value::DoubleQuotedRawStringLiteral("abc".to_string()).with_empty_span()
),
expr_from_projection(&select.projection[1])
);
assert_eq!(
&Expr::Value(
Value::SingleQuotedRawStringLiteral(r"f\(abc,(.*),def\)".to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[2])
);
assert_eq!(
&Expr::Value(
Value::DoubleQuotedRawStringLiteral(r"f\(abc,(.*),def\)".to_string())
.with_empty_span()
),
expr_from_projection(&select.projection[3])
);
assert_eq!(
&Expr::Value(
Value::TripleSingleQuotedRawStringLiteral(r"abc".to_string()).with_empty_span()
),
expr_from_projection(&select.projection[4])
);
assert_eq!(
&Expr::Value(
Value::TripleDoubleQuotedRawStringLiteral(r"abc".to_string()).with_empty_span()
),
expr_from_projection(&select.projection[5])
);
}
} else {
panic!("invalid query");
}
bigquery().one_statement_parses_to(
r#"SELECT r'123', r"123", r'''123''', r"""123""""#,
r#"SELECT R'123', R"123", R'''123''', R"""123""""#,
);
}
#[test]
fn parse_big_query_non_reserved_column_alias() {
let sql = r#"SELECT OFFSET, EXPLAIN, ANALYZE, SORT, TOP, VIEW FROM T"#;
bigquery().verified_stmt(sql);
let sql = r#"SELECT 1 AS OFFSET, 2 AS EXPLAIN, 3 AS ANALYZE FROM T"#;
bigquery().verified_stmt(sql);
}
#[test]
fn parse_at_at_identifier() {
bigquery().verified_stmt("SELECT @@error.stack_trace, @@error.message");
}
#[test]
fn parse_begin() {
let sql = r#"BEGIN SELECT 1; EXCEPTION WHEN ERROR THEN SELECT 2; RAISE USING MESSAGE = FORMAT('ERR: %s', 'Bad'); END"#;
let Statement::StartTransaction {
statements,
exception,
has_end_keyword,
..
} = bigquery().verified_stmt(sql)
else {
unreachable!();
};
assert_eq!(1, statements.len());
assert!(exception.is_some());
let exception = exception.unwrap();
assert_eq!(1, exception.len());
assert!(has_end_keyword);
bigquery().verified_stmt(
"BEGIN SELECT 1; SELECT 2; EXCEPTION WHEN ERROR THEN SELECT 2; SELECT 4; END",
);
bigquery()
.verified_stmt("BEGIN SELECT 1; EXCEPTION WHEN ERROR THEN SELECT @@error.stack_trace; END");
bigquery().verified_stmt("BEGIN EXCEPTION WHEN ERROR THEN SELECT 2; END");
bigquery().verified_stmt("BEGIN SELECT 1; SELECT 2; EXCEPTION WHEN ERROR THEN END");
bigquery().verified_stmt("BEGIN EXCEPTION WHEN ERROR THEN END");
bigquery().verified_stmt("BEGIN SELECT 1; SELECT 2; END");
bigquery().verified_stmt("BEGIN END");
assert_eq!(
bigquery()
.parse_sql_statements("BEGIN SELECT 1; SELECT 2 END")
.unwrap_err(),
ParserError::ParserError("Expected: ;, found: END".to_string())
);
assert_eq!(
bigquery()
.parse_sql_statements("BEGIN SELECT 1; EXCEPTION WHEN ERROR THEN SELECT 2 END")
.unwrap_err(),
ParserError::ParserError("Expected: ;, found: END".to_string())
);
}
#[test]
fn parse_delete_statement() {
let sql = "DELETE \"table\" WHERE 1";
match bigquery_and_generic().verified_stmt(sql) {
Statement::Delete(Delete {
from: FromTable::WithoutKeyword(from),
..
}) => {
assert_eq!(
table_from_name(ObjectName::from(vec![Ident::with_quote('"', "table")])),
from[0].relation
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_view_with_options() {
let sql = concat!(
"CREATE VIEW myproject.mydataset.newview ",
r#"(name, age OPTIONS(description = "field age")) "#,
r#"OPTIONS(expiration_timestamp = TIMESTAMP_ADD(CURRENT_TIMESTAMP(), INTERVAL 48 HOUR), "#,
r#"friendly_name = "newview", description = "a view that expires in 2 days", labels = [("org_unit", "development")]) "#,
"AS SELECT column_1, column_2, column_3 FROM myproject.mydataset.mytable",
);
match bigquery().verified_stmt(sql) {
Statement::CreateView(CreateView {
name,
query,
options,
columns,
..
}) => {
assert_eq!(
name,
ObjectName::from(vec![
"myproject".into(),
"mydataset".into(),
"newview".into()
])
);
assert_eq!(
vec![
ViewColumnDef {
name: Ident::new("name"),
data_type: None,
options: None,
},
ViewColumnDef {
name: Ident::new("age"),
data_type: None,
options: Some(ColumnOptions::CommaSeparated(vec![ColumnOption::Options(
vec![SqlOption::KeyValue {
key: Ident::new("description"),
value: Expr::Value(
Value::DoubleQuotedString("field age".to_string()).with_span(
Span::new(Location::new(1, 42), Location::new(1, 52))
)
),
}]
)])),
},
],
columns
);
assert_eq!(
"SELECT column_1, column_2, column_3 FROM myproject.mydataset.mytable",
query.to_string()
);
assert_eq!(
r#"OPTIONS(expiration_timestamp = TIMESTAMP_ADD(CURRENT_TIMESTAMP(), INTERVAL 48 HOUR), friendly_name = "newview", description = "a view that expires in 2 days", labels = [("org_unit", "development")])"#,
options.to_string()
);
let CreateTableOptions::Options(options) = options else {
unreachable!()
};
assert_eq!(
&SqlOption::KeyValue {
key: Ident::new("description"),
value: Expr::Value(
Value::DoubleQuotedString("a view that expires in 2 days".to_string())
.with_empty_span()
),
},
&options[2],
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_view_if_not_exists() {
let sql = "CREATE VIEW IF NOT EXISTS mydataset.newview AS SELECT foo FROM bar";
match bigquery().verified_stmt(sql) {
Statement::CreateView(CreateView {
name,
columns,
query,
or_replace,
materialized,
options,
cluster_by,
comment,
with_no_schema_binding: late_binding,
if_not_exists,
temporary,
..
}) => {
assert_eq!("mydataset.newview", name.to_string());
assert_eq!(Vec::<ViewColumnDef>::new(), columns);
assert_eq!("SELECT foo FROM bar", query.to_string());
assert!(!materialized);
assert!(!or_replace);
assert_eq!(options, CreateTableOptions::None);
assert_eq!(cluster_by, vec![]);
assert!(comment.is_none());
assert!(!late_binding);
assert!(if_not_exists);
assert!(!temporary);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_view_with_unquoted_hyphen() {
let sql = "CREATE VIEW IF NOT EXISTS my-pro-ject.mydataset.myview AS SELECT 1";
match bigquery().verified_stmt(sql) {
Statement::CreateView(CreateView {
name,
query,
if_not_exists,
..
}) => {
assert_eq!("my-pro-ject.mydataset.myview", name.to_string());
assert_eq!("SELECT 1", query.to_string());
assert!(if_not_exists);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_with_unquoted_hyphen() {
let sql = "CREATE TABLE my-pro-ject.mydataset.mytable (x INT64)";
match bigquery().verified_stmt(sql) {
Statement::CreateTable(CreateTable { name, columns, .. }) => {
assert_eq!(
name,
ObjectName::from(vec![
"my-pro-ject".into(),
"mydataset".into(),
"mytable".into()
])
);
assert_eq!(
vec![ColumnDef {
name: Ident::new("x"),
data_type: DataType::Int64,
options: vec![]
},],
columns
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_create_table_with_options() {
let sql = concat!(
"CREATE TABLE mydataset.newtable ",
r#"(x INT64 NOT NULL OPTIONS(description = "field x"), "#,
r#"y BOOL OPTIONS(description = "field y")) "#,
"PARTITION BY _PARTITIONDATE ",
"CLUSTER BY userid, age ",
r#"OPTIONS(partition_expiration_days = 1, description = "table option description")"#
);
match bigquery().verified_stmt(sql) {
Statement::CreateTable(CreateTable {
name,
columns,
partition_by,
cluster_by,
table_options,
..
}) => {
assert_eq!(
name,
ObjectName::from(vec!["mydataset".into(), "newtable".into()])
);
assert_eq!(
vec![
ColumnDef {
name: Ident::new("x"),
data_type: DataType::Int64,
options: vec![
ColumnOptionDef {
name: None,
option: ColumnOption::NotNull,
},
ColumnOptionDef {
name: None,
option: ColumnOption::Options(vec![SqlOption::KeyValue {
key: Ident::new("description"),
value: Expr::Value(
Value::DoubleQuotedString("field x".to_string()).with_span(
Span::new(Location::new(1, 42), Location::new(1, 52))
)
),
},])
},
]
},
ColumnDef {
name: Ident::new("y"),
data_type: DataType::Bool,
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::Options(vec![SqlOption::KeyValue {
key: Ident::new("description"),
value: Expr::Value(
Value::DoubleQuotedString("field y".to_string()).with_span(
Span::new(Location::new(1, 42), Location::new(1, 52))
)
),
},])
}]
},
],
columns
);
assert_eq!(
(
Some(Box::new(Expr::Identifier(Ident::new("_PARTITIONDATE")))),
Some(WrappedCollection::NoWrapping(vec![
Expr::Identifier(Ident::new("userid")),
Expr::Identifier(Ident::new("age")),
])),
CreateTableOptions::Options(vec![
SqlOption::KeyValue {
key: Ident::new("partition_expiration_days"),
value: Expr::Value(
number("1").with_span(Span::new(
Location::new(1, 42),
Location::new(1, 43)
))
),
},
SqlOption::KeyValue {
key: Ident::new("description"),
value: Expr::Value(
Value::DoubleQuotedString("table option description".to_string())
.with_span(Span::new(
Location::new(1, 42),
Location::new(1, 52)
))
),
},
])
),
(partition_by, cluster_by, table_options)
)
}
_ => unreachable!(),
}
let sql = concat!(
"CREATE TABLE mydataset.newtable ",
r#"(x INT64 NOT NULL OPTIONS(description = "field x"), "#,
r#"y BOOL OPTIONS(description = "field y")) "#,
"CLUSTER BY userid ",
r#"OPTIONS(partition_expiration_days = 1, "#,
r#"description = "table option description")"#
);
bigquery().verified_stmt(sql);
let sql = "CREATE TABLE foo (x INT64) OPTIONS()";
bigquery().verified_stmt(sql);
let sql = "CREATE TABLE db.schema.test (x INT64 OPTIONS(description = 'An optional INTEGER field')) OPTIONS()";
bigquery().verified_stmt(sql);
}
#[test]
fn parse_create_external_table_with_options() {
bigquery().verified_stmt(
"CREATE EXTERNAL TABLE dataset_id.table1 (hvr_tx_seq STRING) OPTIONS(format = 'CSV')",
);
bigquery().verified_stmt(
"CREATE EXTERNAL TABLE dataset_id.table1 (hvr_tx_seq STRING) OPTIONS(format = 'CSV', allow_quoted_newlines = true, encoding = 'UTF8')",
);
}
#[test]
fn parse_nested_data_types() {
let sql = "CREATE TABLE table (x STRUCT<a ARRAY<INT64>, b BYTES(42)>, y ARRAY<STRUCT<INT64>>)";
match bigquery_and_generic().one_statement_parses_to(sql, sql) {
Statement::CreateTable(CreateTable { name, columns, .. }) => {
assert_eq!(name, ObjectName::from(vec!["table".into()]));
assert_eq!(
columns,
vec![
ColumnDef {
name: Ident::new("x"),
data_type: DataType::Struct(
vec![
StructField {
field_name: Some("a".into()),
field_type: DataType::Array(ArrayElemTypeDef::AngleBracket(
Box::new(DataType::Int64,)
)),
options: None,
},
StructField {
field_name: Some("b".into()),
field_type: DataType::Bytes(Some(42)),
options: None,
},
],
StructBracketKind::AngleBrackets
),
options: vec![],
},
ColumnDef {
name: Ident::new("y"),
data_type: DataType::Array(ArrayElemTypeDef::AngleBracket(Box::new(
DataType::Struct(
vec![StructField {
field_name: None,
field_type: DataType::Int64,
options: None,
}],
StructBracketKind::AngleBrackets
),
))),
options: vec![],
},
]
);
}
_ => unreachable!(),
}
}
#[test]
fn parse_tuple_struct_literal() {
// tuple syntax: https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types#tuple_syntax
// syntax: (expr1, expr2 [, ... ])
let sql = "SELECT (1, 2, 3), (1, 1.0, '123', true)"; // line 1, column 1
let select = bigquery().verified_only_select(sql);
assert_eq!(2, select.projection.len());
assert_eq!(
&Expr::Tuple(vec![
Expr::value(number("1")),
Expr::value(number("2")),
Expr::value(number("3")),
]),
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Tuple(vec![
Expr::value(number("1")),
Expr::value(number("1.0")),
Expr::Value(Value::SingleQuotedString("123".into()).with_empty_span()),
Expr::Value(Value::Boolean(true).with_empty_span())
]),
expr_from_projection(&select.projection[1])
);
}
#[test]
fn parse_typeless_struct_syntax() {
// typeless struct syntax https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types#typeless_struct_syntax
// syntax: STRUCT( expr1 [AS field_name] [, ... ])
let sql = "SELECT STRUCT(1, 2, 3), STRUCT('abc'), STRUCT(1, t.str_col), STRUCT(1 AS a, 'abc' AS b), STRUCT(str_col AS abc)";
let select = bigquery_and_generic().verified_only_select(sql);
assert_eq!(5, select.projection.len());
assert_eq!(
&Expr::Struct {
values: vec![
Expr::value(number("1")),
Expr::value(number("2")),
Expr::value(number("3")),
],
fields: Default::default()
},
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Struct {
values: vec![Expr::Value(
Value::SingleQuotedString("abc".into()).with_empty_span()
)],
fields: Default::default()
},
expr_from_projection(&select.projection[1])
);
assert_eq!(
&Expr::Struct {
values: vec![
Expr::value(number("1")),
Expr::CompoundIdentifier(vec![Ident::from("t"), Ident::from("str_col")]),
],
fields: Default::default()
},
expr_from_projection(&select.projection[2])
);
assert_eq!(
&Expr::Struct {
values: vec![
Expr::Named {
expr: Expr::value(number("1")).into(),
name: Ident::from("a")
},
Expr::Named {
expr: Expr::Value(Value::SingleQuotedString("abc".into()).with_empty_span())
.into(),
name: Ident::from("b")
},
],
fields: Default::default()
},
expr_from_projection(&select.projection[3])
);
assert_eq!(
&Expr::Struct {
values: vec![Expr::Named {
expr: Expr::Identifier(Ident::from("str_col")).into(),
name: Ident::from("abc")
}],
fields: Default::default()
},
expr_from_projection(&select.projection[4])
);
}
#[test]
fn parse_typed_struct_syntax_bigquery() {
// typed struct syntax https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types#typed_struct_syntax
// syntax: STRUCT<[field_name] field_type, ...>( expr1 [, ... ])
let sql = r#"SELECT STRUCT<INT64>(5), STRUCT<x INT64, y STRING>(1, t.str_col), STRUCT<arr ARRAY<FLOAT64>, str STRUCT<BOOL>>(nested_col)"#;
let select = bigquery().verified_only_select(sql);
assert_eq!(3, select.projection.len());
assert_eq!(
&Expr::Struct {
values: vec![Expr::value(number("5"))],
fields: vec![StructField {
field_name: None,
field_type: DataType::Int64,
options: None,
}]
},
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Struct {
values: vec![
Expr::value(number("1")),
Expr::CompoundIdentifier(vec![
Ident {
value: "t".into(),
quote_style: None,
span: Span::empty(),
},
Ident {
value: "str_col".into(),
quote_style: None,
span: Span::empty(),
},
]),
],
fields: vec![
StructField {
field_name: Some(Ident {
value: "x".into(),
quote_style: None,
span: Span::empty(),
}),
field_type: DataType::Int64,
options: None,
},
StructField {
field_name: Some(Ident {
value: "y".into(),
quote_style: None,
span: Span::empty(),
}),
field_type: DataType::String(None),
options: None,
},
]
},
expr_from_projection(&select.projection[1])
);
assert_eq!(
&Expr::Struct {
values: vec![Expr::Identifier(Ident {
value: "nested_col".into(),
quote_style: None,
span: Span::empty(),
})],
fields: vec![
StructField {
field_name: Some("arr".into()),
field_type: DataType::Array(ArrayElemTypeDef::AngleBracket(Box::new(
DataType::Float64
))),
options: None,
},
StructField {
field_name: Some("str".into()),
field_type: DataType::Struct(
vec![StructField {
field_name: None,
field_type: DataType::Bool,
options: None,
}],
StructBracketKind::AngleBrackets
),
options: None,
},
]
},
expr_from_projection(&select.projection[2])
);
let sql = r#"SELECT STRUCT<x STRUCT, y ARRAY<STRUCT>>(nested_col)"#;
let select = bigquery().verified_only_select(sql);
assert_eq!(1, select.projection.len());
assert_eq!(
&Expr::Struct {
values: vec![Expr::Identifier(Ident {
value: "nested_col".into(),
quote_style: None,
span: Span::empty(),
})],
fields: vec![
StructField {
field_name: Some("x".into()),
field_type: DataType::Struct(
Default::default(),
StructBracketKind::AngleBrackets
),
options: None,
},
StructField {
field_name: Some("y".into()),
field_type: DataType::Array(ArrayElemTypeDef::AngleBracket(Box::new(
DataType::Struct(Default::default(), StructBracketKind::AngleBrackets)
))),
options: None,
},
]
},
expr_from_projection(&select.projection[0])
);
let sql = r#"SELECT STRUCT<BOOL>(true), STRUCT<BYTES(42)>(B'abc')"#;
let select = bigquery().verified_only_select(sql);
assert_eq!(2, select.projection.len());
assert_eq!(
&Expr::Struct {
values: vec![Expr::Value(Value::Boolean(true).with_empty_span())],
fields: vec![StructField {
field_name: None,
field_type: DataType::Bool,
options: None,
}]
},
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Struct {
values: vec![Expr::Value(
Value::SingleQuotedByteStringLiteral("abc".into()).with_empty_span()
)],
fields: vec![StructField {
field_name: None,
field_type: DataType::Bytes(Some(42)),
options: None,
}]
},
expr_from_projection(&select.projection[1])
);
let sql = r#"SELECT STRUCT<DATE>("2011-05-05"), STRUCT<DATETIME>(DATETIME '1999-01-01 01:23:34.45'), STRUCT<FLOAT64>(5.0), STRUCT<INT64>(1)"#;
let select = bigquery().verified_only_select(sql);
assert_eq!(4, select.projection.len());
assert_eq!(
&Expr::Struct {
values: vec![Expr::Value(
Value::DoubleQuotedString("2011-05-05".into()).with_empty_span()
)],
fields: vec![StructField {
field_name: None,
field_type: DataType::Date,
options: None,
}]
},
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Struct {
values: vec![Expr::TypedString(TypedString {
data_type: DataType::Datetime(None),
value: ValueWithSpan {
value: Value::SingleQuotedString("1999-01-01 01:23:34.45".into()),
span: Span::empty(),
},
uses_odbc_syntax: false
})],
fields: vec![StructField {
field_name: None,
field_type: DataType::Datetime(None),
options: None,
}]
},
expr_from_projection(&select.projection[1])
);
assert_eq!(
&Expr::Struct {
values: vec![Expr::value(number("5.0"))],
fields: vec![StructField {
field_name: None,
field_type: DataType::Float64,
options: None,
}]
},
expr_from_projection(&select.projection[2])
);
assert_eq!(
&Expr::Struct {
values: vec![Expr::value(number("1"))],
fields: vec![StructField {
field_name: None,
field_type: DataType::Int64,
options: None,
}]
},
expr_from_projection(&select.projection[3])
);
let sql = r#"SELECT STRUCT<INTERVAL>(INTERVAL '2' HOUR), STRUCT<JSON>(JSON '{"class" : {"students" : [{"name" : "Jane"}]}}')"#;
let select = bigquery().verified_only_select(sql);
assert_eq!(2, select.projection.len());
assert_eq!(
&Expr::Struct {
values: vec![Expr::Interval(Interval {
value: Box::new(Expr::Value(
Value::SingleQuotedString("2".into()).with_empty_span()
)),
leading_field: Some(DateTimeField::Hour),
leading_precision: None,
last_field: None,
fractional_seconds_precision: None
})],
fields: vec![StructField {
field_name: None,
field_type: DataType::Interval {
fields: None,
precision: None
},
options: None,
}]
},
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Struct {
values: vec![Expr::TypedString(TypedString {
data_type: DataType::JSON,
value: ValueWithSpan {
value: Value::SingleQuotedString(
r#"{"class" : {"students" : [{"name" : "Jane"}]}}"#.into()
),
span: Span::empty(),
},
uses_odbc_syntax: false
})],
fields: vec![StructField {
field_name: None,
field_type: DataType::JSON,
options: None,
}]
},