mirror of
https://github.com/apache/datafusion-sqlparser-rs.git
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004a8dc5dd
Co-authored-by: Chris A <chrisa@indeed.com> Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>
41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use crate::dialect::Dialect;
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/// A permissive, general purpose [`Dialect`], which parses a wide variety of SQL
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/// statements, from many different dialects.
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#[derive(Debug, Default)]
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pub struct GenericDialect;
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impl Dialect for GenericDialect {
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fn is_delimited_identifier_start(&self, ch: char) -> bool {
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ch == '"' || ch == '`'
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}
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fn is_identifier_start(&self, ch: char) -> bool {
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ch.is_alphabetic() || ch == '_' || ch == '#' || ch == '@'
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}
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fn is_identifier_part(&self, ch: char) -> bool {
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ch.is_alphabetic()
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|| ch.is_ascii_digit()
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|| ch == '@'
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|| ch == '$'
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|| ch == '#'
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|| ch == '_'
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}
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fn supports_group_by_expr(&self) -> bool {
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true
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}
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}
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