sqlparser-ast: add support for rename table

Add parsing support for rename table.

Change-Id: Id5e665ae4615b2abc7b93ae297882f96f7b2c30e
Reviewed-on: https://gerrit.readyset.name/c/readyset/+/9888
Tested-by: Buildkite CI
Reviewed-by: Michael Zink <[email protected]>

Author: altmannmarcelo

readyset-sql-parsing/tests/parity.rs

@@ -818,3 +818,15 @@ fn where_not_in_not_between() {
         "nom-sql error"
     );
 }
+
+#[test]
+fn rename_table() {
+    check_parse_both!("RENAME TABLE tb1 TO tb2");
+    check_parse_both!("ALTER TABLE tb1 RENAME TO tb2");
+    // disabled as sqlparser does not currently support this syntax
+    check_parse_fails!(
+        Dialect::MySQL,
+        "ALTER TABLE tb1 RENAME AS tb2",
+        "sql parser error: Expected: TO, found: tb2"
+    );
+}

readyset-sql/src/ast/query.rs

@@ -208,6 +208,9 @@ impl TryFromDialect<sqlparser::ast::Statement> for SqlQuery {
                     comment: comment.unwrap_or("".to_owned()),
                 }))
             }
+            RenameTable(rename) => Ok(Self::RenameTable(RenameTableStatement {
+                ops: rename.try_into_dialect(dialect)?,
+            })),
             _ => not_yet_implemented!("other query: {value:?}"),
         }
     }

readyset-sql/src/ast/rename.rs

@@ -3,9 +3,10 @@ use std::fmt;
 use itertools::Itertools;
 use readyset_util::fmt::fmt_with;
 use serde::{Deserialize, Serialize};
+use sqlparser::ast::RenameTable;
 use test_strategy::Arbitrary;
 
-use crate::{Dialect, DialectDisplay, ast::*};
+use crate::{AstConversionError, Dialect, DialectDisplay, IntoDialect, TryFromDialect, ast::*};
 
 #[derive(Clone, Debug, Default, Eq, Hash, PartialEq, Serialize, Deserialize, Arbitrary)]
 pub struct RenameTableStatement {
@@ -30,6 +31,19 @@ pub struct RenameTableOperation {
     pub to: Relation,
 }
 
+impl TryFromDialect<sqlparser::ast::RenameTable> for RenameTableOperation {
+    fn try_from_dialect(
+        value: sqlparser::ast::RenameTable,
+        dialect: Dialect,
+    ) -> Result<Self, AstConversionError> {
+        let RenameTable { old_name, new_name } = value;
+        Ok(Self {
+            from: old_name.into_dialect(dialect),
+            to: new_name.into_dialect(dialect),
+        })
+    }
+}
+
 impl DialectDisplay for RenameTableOperation {
     fn display(&self, dialect: Dialect) -> impl fmt::Display + '_ {
         fmt_with(move |f| {