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Introduce concept of dialects

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This commit is contained in:
Andy Grove 2018-09-08 08:39:32 -06:00
parent cc725791de
commit 06a8870bd7
7 changed files with 184 additions and 92 deletions
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9
src/sqlparser.rs
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@ -14,6 +14,7 @@
//! SQL Parser
use super::dialect::Dialect;
use super::sqlast::*;
use super::sqltokenizer::*;
@ -51,8 +52,8 @@ impl Parser {
}
/// Parse a SQL statement and produce an Abstract Syntax Tree (AST)
pub fn parse_sql(sql: String) -> Result<ASTNode, ParserError> {
let mut tokenizer = Tokenizer::new(&sql);
pub fn parse_sql(dialect: &Dialect, sql: String) -> Result<ASTNode, ParserError> {
let mut tokenizer = Tokenizer::new(dialect, &sql);
let tokens = tokenizer.tokenize()?;
let mut parser = Parser::new(tokens);
parser.parse()
@ -619,6 +620,7 @@ impl Parser {
mod tests {
use super::*;
use super::super::dialect::GenericSqlDialect;
#[test]
fn parse_delete_statement() {
@ -949,7 +951,8 @@ mod tests {
}
fn parse_sql(sql: &str) -> ASTNode {
let mut tokenizer = Tokenizer::new(&sql);
let dialect = GenericSqlDialect {};
let mut tokenizer = Tokenizer::new(&dialect,&sql, );
let tokens = tokenizer.tokenize().unwrap();
let mut parser = Parser::new(tokens);
let ast = parser.parse().unwrap();