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Support CREATE TABLE with no columns

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This is weird, but supported by PostgreSQL.
This commit is contained in:
Nikhil Benesch 2019-05-29 16:48:04 -04:00
parent 2308c1c6f7
commit b3a2a6be48
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2 changed files with 7 additions and 1 deletions
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2
src/sqlparser.rs
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@ -833,7 +833,7 @@ impl Parser {
fn parse_columns(&mut self) -> Result<(Vec<SQLColumnDef>, Vec<TableConstraint>), ParserError> { fn parse_columns(&mut self) -> Result<(Vec<SQLColumnDef>, Vec<TableConstraint>), ParserError> {
let mut columns = vec![]; let mut columns = vec![];
let mut constraints = vec![]; let mut constraints = vec![];
if !self.consume_token(&Token::LParen) { if !self.consume_token(&Token::LParen) || self.consume_token(&Token::RParen) {
return Ok((columns, constraints)); return Ok((columns, constraints));
} }

6
tests/sqlparser_common.rs
View file

@ -820,6 +820,12 @@ fn parse_create_external_table() {
} }
} }
#[test]
fn parse_create_table_empty() {
// Zero-column tables are weird, but supported by at least PostgreSQL.
let _ = verified_stmt("CREATE TABLE t ()");
}
#[test] #[test]
fn parse_alter_table_constraints() { fn parse_alter_table_constraints() {
check_one("CONSTRAINT address_pkey PRIMARY KEY (address_id)"); check_one("CONSTRAINT address_pkey PRIMARY KEY (address_id)");