Remove not used parse_expr

Signed-off-by: Xuanwo <github@xuanwo.io>

Author: Xuanwo

src/query/legacy-parser/src/parser/expr_parser.rs

@@ -22,14 +22,6 @@ use sqlparser::tokenizer::Tokenizer;
 pub struct ExprParser;
 
 impl ExprParser {
-    pub fn parse_expr(expr: &str) -> Result<Expr, ParserError> {
-        let dialect = &MySqlDialect {};
-        let mut tokenizer = Tokenizer::new(dialect, expr);
-        let (tokens, position_map) = tokenizer.tokenize()?;
-        let mut parser = Parser::new(tokens, position_map, dialect);
-        parser.parse_expr()
-    }
-
     pub fn parse_exprs(expr: &str) -> Result<Vec<Expr>, ParserError> {
         let dialect = &MySqlDialect {};
         let mut tokenizer = Tokenizer::new(dialect, expr);

src/query/legacy-parser/src/parser/expression_parser.rs

@@ -21,12 +21,6 @@ use crate::ExprParser;
 pub struct ExpressionParser;
 
 impl ExpressionParser {
-    pub fn parse_expr(expr: &str) -> Result<Expression> {
-        let expr = ExprParser::parse_expr(expr)?;
-        let analyzer = ExpressionSyncAnalyzer::create();
-        analyzer.analyze(&expr)
-    }
-
     pub fn parse_exprs(expr: &str) -> Result<Vec<Expression>> {
         let exprs = ExprParser::parse_exprs(expr)?;
         let analyzer = ExpressionSyncAnalyzer::create();

src/query/service/src/sql/plan_parser.rs

@@ -16,7 +16,6 @@ use std::sync::Arc;
 
 use common_exception::ErrorCode;
 use common_exception::Result;
-use common_legacy_parser::ExpressionParser;
 use common_planners::EmptyPlan;
 use common_planners::ExplainPlan;
 use common_planners::Expression;
@@ -57,10 +56,6 @@ impl PlanParser {
         Ok((plan, format))
     }
 
-    pub fn parse_expr(expr: &str) -> Result<Expression> {
-        ExpressionParser::parse_expr(expr)
-    }
-
     pub async fn parse_with_hint(
         query: &str,
         ctx: Arc<QueryContext>,

src/query/service/src/sql/sql_parser.rs

@@ -84,10 +84,6 @@ impl<'a> DfParser<'a> {
         }
     }
 
-    pub fn parse_expr(expr: &str) -> Result<Expr, ParserError> {
-        ExprParser::parse_expr(expr)
-    }
-
     pub fn parse_exprs(expr: &str) -> Result<Vec<Expr>, ParserError> {
         ExprParser::parse_exprs(expr)
     }

src/query/service/tests/it/sql/expr_parser.rs

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 mod exec;
-mod expr_parser;
 mod planner;
 mod sql_common;
 mod sql_parser;