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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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9
tests/sqlparser_postgres.rs
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@ -1322,15 +1322,16 @@ fn parse_pg_returning() {
}
#[test]
fn parse_pg_bitwise_binary_ops() {
let bitwise_ops = &[
// Sharp char cannot be used with Generic Dialect, it conflicts with identifiers
fn parse_pg_binary_ops() {
let binary_ops = &[
// Sharp char and Caret cannot be used with Generic Dialect, it conflicts with identifiers
("#", BinaryOperator::PGBitwiseXor, pg()),
("^", BinaryOperator::PGExp, pg()),
(">>", BinaryOperator::PGBitwiseShiftRight, pg_and_generic()),
("<<", BinaryOperator::PGBitwiseShiftLeft, pg_and_generic()),
];
for (str_op, op, dialects) in bitwise_ops {
for (str_op, op, dialects) in binary_ops {
let select = dialects.verified_only_select(&format!("SELECT a {} b", &str_op));
assert_eq!(
SelectItem::UnnamedExpr(Expr::BinaryOp {