29 use crate::scalar::ScalarValue;
117                         Expr::Literal(ScalarValue::Boolean(l)),  in optimize_expr()
118                         Expr::Literal(ScalarValue::Boolean(r)),  in optimize_expr()
121                             Expr::Literal(ScalarValue::Boolean(Some(l == r)))  in optimize_expr()
123                         _ => Expr::Literal(ScalarValue::Boolean(None)),  in optimize_expr()
125                     (Expr::Literal(ScalarValue::Boolean(b)), _)  in optimize_expr()
131                             None => Expr::Literal(ScalarValue::Boolean(None)),  in optimize_expr()
134                     (_, Expr::Literal(ScalarValue::Boolean(b)))  in optimize_expr()
140                             None => Expr::Literal(ScalarValue::Boolean(None)),  in optimize_expr()
151                         Expr::Literal(ScalarValue::Boolean(l)),  in optimize_expr()
152                         Expr::Literal(ScalarValue::Boolean(r)),  in optimize_expr()
155                             Expr::Literal(ScalarValue::Boolean(Some(l != r)))  in optimize_expr()
157                         _ => Expr::Literal(ScalarValue::Boolean(None)),  in optimize_expr()
159                     (Expr::Literal(ScalarValue::Boolean(b)), _)  in optimize_expr()
165                             None => Expr::Literal(ScalarValue::Boolean(None)),  in optimize_expr()
168                     (_, Expr::Literal(ScalarValue::Boolean(b)))  in optimize_expr()
174                             None => Expr::Literal(ScalarValue::Boolean(None)),  in optimize_expr()
348             optimize_expr(&lit(true).eq(lit(ScalarValue::Boolean(None))), &[&schema])?,  in optimize_expr_null_comparision()
349             lit(ScalarValue::Boolean(None)),  in optimize_expr_null_comparision()
355                 &lit(ScalarValue::Boolean(None)).not_eq(lit(ScalarValue::Boolean(None))),  in optimize_expr_null_comparision()
358             lit(ScalarValue::Boolean(None)),  in optimize_expr_null_comparision()
364                 &col("c2").not_eq(lit(ScalarValue::Boolean(None))),  in optimize_expr_null_comparision()
367             lit(ScalarValue::Boolean(None)),  in optimize_expr_null_comparision()
372             optimize_expr(&lit(ScalarValue::Boolean(None)).eq(col("c2")), &[&schema])?,  in optimize_expr_null_comparision()
373             lit(ScalarValue::Boolean(None)),  in optimize_expr_null_comparision()