Function TestAlterColumnOperation

pkg/sql/ast/types_test.go:20–66

Test AlterColumnOperation

(t *testing.T)

// Test AlterColumnOperation
func TestAlterColumnOperation(t *testing.T) {
	tests := []struct {
		name       string
		op         AlterColumnOperation
		wantString string
	}{
		{
			name:       "SET DEFAULT",
			op:         AlterColumnSetDefault,
			wantString: "SET DEFAULT",
		},
		{
			name:       "DROP DEFAULT",
			op:         AlterColumnDropDefault,
			wantString: "DROP DEFAULT",
		},
		{
			name:       "SET NOT NULL",
			op:         AlterColumnSetNotNull,
			wantString: "SET NOT NULL",
		},
		{
			name:       "DROP NOT NULL",
			op:         AlterColumnDropNotNull,
			wantString: "DROP NOT NULL",
		},
		{
			name:       "Unknown operation",
			op:         AlterColumnOperation(999),
			wantString: "UNKNOWN",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// Test TokenLiteral
			if got := tt.op.TokenLiteral(); got != tt.wantString {
				t.Errorf("AlterColumnOperation.TokenLiteral() = %v, want %v", got, tt.wantString)
			}

			// Test Children (should be nil)
			if children := tt.op.Children(); children != nil {
				t.Errorf("AlterColumnOperation.Children() = %v, want nil", children)
			}
		})
	}
}

// Test Query
func TestQuery(t *testing.T) {