fix: bad query split (#69)

## Rationale
Close #68


## Detailed Changes


## Test Plan
CI

sqlness/examples/interceptor-case/simple/input.result

@@ -109,3 +109,8 @@ INSERT INTO t (c) VALUES(1)  , (2)  , (3)  , (4) ;
 4
 2;
 
+-- Test case for https://github.com/CeresDB/sqlness/issues/68
+INSERT INTO timestamp VALUES ('1900-1-1 00;00;00');
+
+INSERT INTO timestamp VALUES ('1900-1-1 00;00;00');
+

sqlness/examples/interceptor-case/simple/input.sql

@@ -63,3 +63,6 @@ INSERT INTO t (c) VALUES
 4
 2
 2;
+
+-- Test case for https://github.com/CeresDB/sqlness/issues/68
+INSERT INTO timestamp VALUES ('1900-1-1 00;00;00');

sqlness/src/case.rs

@@ -154,12 +154,14 @@ impl Query {
 
         let sql = self.concat_query_lines();
         // An intercetor may generate multiple SQLs, so we need to split them.
-        for sql in sql.split(QUERY_DELIMITER) {
+        for sql in sql.split(crate::interceptor::template::DELIMITER) {
             if !sql.trim().is_empty() {
-                let mut result = db
-                    .query(context.clone(), format!("{sql};"))
-                    .await
-                    .to_string();
+                let sql = if sql.ends_with(QUERY_DELIMITER) {
+                    sql.to_string()
+                } else {
+                    format!("{sql};")
+                };
+                let mut result = db.query(context.clone(), sql).await.to_string();
                 self.after_execute_intercept(&mut result).await;
                 self.write_result(writer, result)?;
             }

sqlness/src/interceptor/template.rs

@@ -10,6 +10,7 @@ use crate::SqlnessError;
 pub struct TemplateInterceptorFactory;
 
 pub const PREFIX: &str = "TEMPLATE";
+pub const DELIMITER: &str = "__sqlness_delimiter__";
 
 /// Templated query, powered by [minijinja](https://github.com/mitsuhiko/minijinja).
 /// The template syntax can be found [here](https://docs.rs/minijinja/latest/minijinja/syntax/index.html).
@@ -43,7 +44,7 @@ pub struct TemplateInterceptor {
 }
 
 fn sql_delimiter() -> std::result::Result<String, minijinja::Error> {
-    Ok(";".to_string())
+    Ok(DELIMITER.to_string())
 }
 
 impl Interceptor for TemplateInterceptor {