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Support different quoting styles for delimited identifiers

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The dialect information is from https://en.wikibooks.org/wiki/SQL_Dialects_Reference/Data_structure_definition/Delimited_identifiers
This commit is contained in:
Nickolay Ponomarev 2019-01-31 13:36:40 +03:00
parent b3693bfa63
commit b9f4b503b6
2 changed files with 27 additions and 7 deletions
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12
src/dialect/mod.rs
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@ -8,8 +8,16 @@ pub use self::generic_sql::GenericSqlDialect;
pub use self::postgresql::PostgreSqlDialect;
pub trait Dialect {
/// Determine if a character is a valid identifier start character
/// Determine if a character starts a quoted identifier. The default
/// implementation, accepting "double quoted" ids is both ANSI-compliant
/// and appropriate for most dialects (with the notable exception of
/// MySQL, MS SQL, and sqlite). You can accept one of characters listed
/// in `SQLWord::matching_end_quote()` here
fn is_delimited_identifier_start(&self, ch: char) -> bool {
ch == '"'
}
/// Determine if a character is a valid start character for an unquoted identifier
fn is_identifier_start(&self, ch: char) -> bool;
/// Determine if a character is a valid identifier character
/// Determine if a character is a valid unquoted identifier character
fn is_identifier_part(&self, ch: char) -> bool;
}