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feat: Support PostgreSQL exponentiation. (#813)

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* Add Postgres exponent operator

* Parse caret as BinaryOperator::PGExp in PostgreSQL

* Update sqlparser_postgres.rs

* update tests to support PGExp

* cargo fmt

* improve extensibility

* cargo fmt

* redundant code and documentation lionks
This commit is contained in:
Mykhailo Bondarenko 2023-03-02 17:39:39 +02:00 • committed by GitHub
parent fbbf1a4e84
commit 1cf913e717
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4 changed files with 32 additions and 10 deletions
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21
tests/sqlparser_common.rs
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@ -1228,16 +1228,27 @@ fn parse_string_agg() {
);
}
/// selects all dialects but PostgreSQL
pub fn all_dialects_but_pg() -> TestedDialects {
TestedDialects {
dialects: all_dialects()
.dialects
.into_iter()
.filter(|x| !x.is::<PostgreSqlDialect>())
.collect(),
}
}
#[test]
fn parse_bitwise_ops() {
let bitwise_ops = &[
("^", BinaryOperator::BitwiseXor),
("|", BinaryOperator::BitwiseOr),
("&", BinaryOperator::BitwiseAnd),
("^", BinaryOperator::BitwiseXor, all_dialects_but_pg()),
("|", BinaryOperator::BitwiseOr, all_dialects()),
("&", BinaryOperator::BitwiseAnd, all_dialects()),
];
for (str_op, op) in bitwise_ops {
let select = verified_only_select(&format!("SELECT a {} b", &str_op));
for (str_op, op, dialects) in bitwise_ops {
let select = dialects.verified_only_select(&format!("SELECT a {} b", &str_op));
assert_eq!(
SelectItem::UnnamedExpr(Expr::BinaryOp {
left: Box::new(Expr::Identifier(Ident::new("a"))),