/// <inheritdoc />
public void WriteCastedExpression(ISqlColumnType actualType, ISqlColumnType expectedType, Action writeExpressionFunc)
{
if (!actualType.Equals(expectedType))
{
_sb.Append("CAST(");
writeExpressionFunc();
_sb.Append(" AS ");
if (!(expectedType is MsSqlColumnType columnType))
{
throw new InvalidOperationException($"Trying to cast to a type that is not specific to MS SQL, type: {expectedType.GetType()}");
}
else
{
_sb.Append(columnType.DbString);
}
_sb.Append(")");
}
/// <inheritdoc />
public ISqlColumnType GetCommonType(ISqlColumnType left, ISqlColumnType right)
{
if (!(left is MsSqlColumnType leftType && right is MsSqlColumnType rightType))
{
throw new InvalidOperationException($"Cannot decide the common type as one of the types is not MS SQL type: {left.GetType()}, {right.GetType()}");
}
