andygrove commented on code in PR #2642:
URL: https://github.com/apache/arrow-datafusion/pull/2642#discussion_r884315197
##########
datafusion/sql/src/planner.rs:
##########
@@ -353,6 +354,24 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
}
}
+ pub fn decrible_table_to_plan(
+ &self,
+ statement: DescribeTable,
+ ) -> Result<LogicalPlan> {
+ if self.has_table("information_schema", "tables") {
+ let table_name = statement.table_name;
+ let sql = format!("SELECT column_name, data_type, is_nullable \
+ FROM information_schema.columns WHERE
table_name = '{table_name}';");
+ let mut rewrite = DFParser::parse_sql(&sql[..])?;
+ self.statement_to_plan(rewrite.pop_front().unwrap())
+ } else {
+ Err(DataFusionError::Plan(
+ "SHOW TABLES is not supported unless information_schema is
enabled"
Review Comment:
```suggestion
"DESCRIBE TABLE is not supported unless information_schema
is enabled"
```
##########
datafusion/sql/src/planner.rs:
##########
@@ -353,6 +354,24 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
}
}
+ pub fn decrible_table_to_plan(
Review Comment:
```suggestion
pub fn decribe_table_to_plan(
```
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