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modularize dialects into their own submodules

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remove assertion in copy sql, conversion to_string is unfinished
This commit is contained in:
Jovansonlee Cesar 2018-09-30 13:35:24 +08:00
parent ba8a9bd48f
commit d66e4848bd
5 changed files with 541 additions and 527 deletions
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103
src/dialect/postgresql.rs Normal file
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@ -0,0 +1,103 @@
use dialect::Dialect;
pub struct PostgreSqlDialect {}
impl Dialect for PostgreSqlDialect {
fn keywords(&self) -> Vec<&'static str> {
return vec![
"ALTER",
"ONLY",
"SELECT",
"FROM",
"WHERE",
"LIMIT",
"ORDER",
"GROUP",
"BY",
"HAVING",
"UNION",
"ALL",
"INSERT",
"INTO",
"UPDATE",
"DELETE",
"IN",
"IS",
"NULL",
"SET",
"CREATE",
"EXTERNAL",
"TABLE",
"ASC",
"DESC",
"AND",
"OR",
"NOT",
"AS",
"STORED",
"CSV",
"PARQUET",
"LOCATION",
"WITH",
"WITHOUT",
"HEADER",
"ROW",
// SQL types
"CHAR",
"CHARACTER",
"VARYING",
"LARGE",
"OBJECT",
"VARCHAR",
"CLOB",
"BINARY",
"VARBINARY",
"BLOB",
"FLOAT",
"REAL",
"DOUBLE",
"PRECISION",
"INT",
"INTEGER",
"SMALLINT",
"BIGINT",
"NUMERIC",
"DECIMAL",
"DEC",
"BOOLEAN",
"DATE",
"TIME",
"TIMESTAMP",
"VALUES",
"DEFAULT",
"ZONE",
"REGCLASS",
"TEXT",
"BYTEA",
"TRUE",
"FALSE",
"COPY",
"STDIN",
"PRIMARY",
"KEY",
"UNIQUE",
"UUID",
"ADD",
"CONSTRAINT",
"FOREIGN",
"REFERENCES",
];
}
fn is_identifier_start(&self, ch: char) -> bool {
(ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ch == '@'
}
fn is_identifier_part(&self, ch: char) -> bool {
(ch >= 'a' && ch <= 'z')
|| (ch >= 'A' && ch <= 'Z')
|| (ch >= '0' && ch <= '9')
|| ch == '@'
|| ch == '_'
}
}