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sqlparser_bigquery.rs
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sqlparser_bigquery.rs
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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.
#[macro_use]
mod test_utils;
use test_utils::*;
use sqlparser::ast::*;
use sqlparser::dialect::BigQueryDialect;
#[test]
fn parse_literal_string() {
let sql = r#"SELECT 'single', "double""#;
let select = bigquery().verified_only_select(sql);
assert_eq!(2, select.projection.len());
assert_eq!(
&Expr::Value(Value::SingleQuotedString("single".to_string())),
expr_from_projection(&select.projection[0])
);
assert_eq!(
&Expr::Value(Value::DoubleQuotedString("double".to_string())),
expr_from_projection(&select.projection[1])
);
}
#[test]
fn parse_table_identifiers() {
fn test_table_ident(ident: &str, expected: Vec<Ident>) {
let sql = format!("SELECT 1 FROM {}", ident);
let select = bigquery().verified_only_select(&sql);
assert_eq!(
select.from,
vec![TableWithJoins {
relation: TableFactor::Table {
name: ObjectName(expected),
alias: None,
args: None,
with_hints: vec![],
},
joins: vec![]
},]
);
}
fn test_table_ident_err(ident: &str) {
let sql = format!("SELECT 1 FROM {}", ident);
assert!(bigquery().parse_sql_statements(&sql).is_err());
}
test_table_ident("da-sh-es", vec![Ident::new("da-sh-es")]);
test_table_ident("`spa ce`", vec![Ident::with_quote('`', "spa ce")]);
test_table_ident(
"`!@#$%^&*()-=_+`",
vec![Ident::with_quote('`', "!@#$%^&*()-=_+")],
);
test_table_ident(
"_5abc.dataField",
vec![Ident::new("_5abc"), Ident::new("dataField")],
);
test_table_ident(
"`5abc`.dataField",
vec![Ident::with_quote('`', "5abc"), Ident::new("dataField")],
);
test_table_ident_err("5abc.dataField");
test_table_ident(
"abc5.dataField",
vec![Ident::new("abc5"), Ident::new("dataField")],
);
test_table_ident_err("abc5!.dataField");
test_table_ident(
"`GROUP`.dataField",
vec![Ident::with_quote('`', "GROUP"), Ident::new("dataField")],
);
// TODO: this should be error
// test_table_ident_err("GROUP.dataField");
test_table_ident("abc5.GROUP", vec![Ident::new("abc5"), Ident::new("GROUP")]);
}
#[test]
fn parse_cast_type() {
let sql = r#"SELECT SAFE_CAST(1 AS INT64)"#;
bigquery().verified_only_select(sql);
}
fn bigquery() -> TestedDialects {
TestedDialects {
dialects: vec![Box::new(BigQueryDialect {})],
}
}