martin-g commented on code in PR #25887:
URL: https://github.com/apache/datafusion/pull/25887#discussion_r4367232833
##########
datafusion/sql/src/statement.rs:
##########
@@ -1675,14 +1676,16 @@ impl<S: ContextProvider> SqlToRel<'_, S> {
/// Generate a logical plan from a "SHOW TABLES" query
fn show_tables_to_plan(&self) -> Result<LogicalPlan> {
- if self.has_table("information_schema", "tables") {
- let query = "SELECT * FROM information_schema.tables;";
- let mut rewrite = DFParser::parse_sql(query)?;
- assert_eq!(rewrite.len(), 1);
- self.statement_to_plan(rewrite.pop_front().unwrap()) // length of
rewrite is 1
- } else {
- plan_err!("SHOW TABLES is not supported unless information_schema
is enabled")
- }
+ let Some(tables_table_ref) = self.resolve_info_table("tables") else {
+ return plan_err!(
+ "SHOW TABLES is not supported unless information_schema is
enabled"
+ );
+ };
+
+ let query = format!("SELECT * FROM {tables_table_ref};");
Review Comment:
Sure!
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