Function TestDescribeStatementPool

pkg/sql/ast/pool_ddl_test.go:674–709

============================================================ DescribeStatement pool tests ============================================================

(t *testing.T)

// ============================================================

func TestDescribeStatementPool(t *testing.T) {
	t.Run("Get returns non-nil", func(t *testing.T) {
		stmt := GetDescribeStatement()
		if stmt == nil {
			t.Fatal("GetDescribeStatement() returned nil")
		}
		PutDescribeStatement(stmt)
	})

	t.Run("Put nil is safe", func(t *testing.T) {
		PutDescribeStatement(nil)
	})

	t.Run("Fields zeroed after Put", func(t *testing.T) {
		stmt := GetDescribeStatement()
		stmt.TableName = "orders"

		PutDescribeStatement(stmt)

		if stmt.TableName != "" {
			t.Errorf("TableName not cleared, got %q", stmt.TableName)
		}
	})

	t.Run("Pool roundtrip reuse", func(t *testing.T) {
		stmt1 := GetDescribeStatement()
		stmt1.TableName = "products"
		PutDescribeStatement(stmt1)

		stmt2 := GetDescribeStatement()
		if stmt2.TableName != "" {
			t.Errorf("Reused statement not clean, TableName=%q", stmt2.TableName)
		}
		PutDescribeStatement(stmt2)
	})
}

// ============================================================
// ReplaceStatement pool tests