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Move parse_column_def below parse_columns

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...because in the section related to CREATE TABLE parsing, the callers
are defined above the callees.
This commit is contained in:
Nickolay Ponomarev 2020-07-31 16:49:58 +03:00
parent 1b46e82eec
commit 23f5c7e7ce
1 changed files with 27 additions and 28 deletions
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55
src/parser.rs
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@ -1191,6 +1191,33 @@ impl<'a> Parser<'a> {
})
}
fn parse_columns(&mut self) -> Result<(Vec<ColumnDef>, Vec<TableConstraint>), ParserError> {
let mut columns = vec![];
let mut constraints = vec![];
if !self.consume_token(&Token::LParen) || self.consume_token(&Token::RParen) {
return Ok((columns, constraints));
}
loop {
if let Some(constraint) = self.parse_optional_table_constraint()? {
constraints.push(constraint);
} else if let Token::Word(_) = self.peek_token() {
columns.push(self.parse_column_def()?);
} else {
return self.expected("column name or constraint definition", self.peek_token());
}
let comma = self.consume_token(&Token::Comma);
if self.consume_token(&Token::RParen) {
// allow a trailing comma, even though it's not in standard
break;
} else if !comma {
return self.expected("',' or ')' after column definition", self.peek_token());
}
}
Ok((columns, constraints))
}
fn parse_column_def(&mut self) -> Result<ColumnDef, ParserError> {
let name = self.parse_identifier()?;
let data_type = self.parse_data_type()?;
@ -1214,34 +1241,6 @@ impl<'a> Parser<'a> {
})
}
fn parse_columns(&mut self) -> Result<(Vec<ColumnDef>, Vec<TableConstraint>), ParserError> {
let mut columns = vec![];
let mut constraints = vec![];
if !self.consume_token(&Token::LParen) || self.consume_token(&Token::RParen) {
return Ok((columns, constraints));
}
loop {
if let Some(constraint) = self.parse_optional_table_constraint()? {
constraints.push(constraint);
} else if let Token::Word(_) = self.peek_token() {
let column_def = self.parse_column_def()?;
columns.push(column_def);
} else {
return self.expected("column name or constraint definition", self.peek_token());
}
let comma = self.consume_token(&Token::Comma);
if self.consume_token(&Token::RParen) {
// allow a trailing comma, even though it's not in standard
break;
} else if !comma {
return self.expected("',' or ')' after column definition", self.peek_token());
}
}
Ok((columns, constraints))
}
pub fn parse_column_option_def(&mut self) -> Result<ColumnOptionDef, ParserError> {
let name = if self.parse_keyword(Keyword::CONSTRAINT) {
Some(self.parse_identifier()?)