| public static BooleanComparisonType ( BooleanComparisonType ctype ) : string | ||
| ctype | BooleanComparisonType | |
| Результат | string | |
internal override string ToString(string indent)
{
var sb = new StringBuilder();
sb.Append(Expression.ToString(indent));
sb.AppendFormat(" {0} \r\n", TsqlFragmentToString.BooleanComparisonType(ComparisonType));
sb.Append(Subquery.ToString(indent + " "));
return(sb.ToString());
}
public override void Visit(WBooleanComparisonExpression node)
{
node.FirstExpr.Accept(this);
string left = this.dfsStack.Pop();
node.SecondExpr.Accept(this);
string right = this.dfsStack.Pop();
// TODO: Consider to ues ISNULLExpression
string nodeStr = right == "null"
? $"{left} IS {right}"
: $"{left} {TsqlFragmentToString.BooleanComparisonType(node.ComparisonType)} {right}";
this.dfsStack.Push(nodeStr);
}
internal override string ToString(string indent)
{
var sb = new StringBuilder(512);
sb.Append(FirstExpr.ToString(indent));
sb.AppendFormat(" {0} ", TsqlFragmentToString.BooleanComparisonType(ComparisonType));
if (SecondExpr.OneLine())
{
sb.Append(SecondExpr.ToString(""));
}
else
{
sb.Append("\r\n");
sb.Append(SecondExpr.ToString(indent + " "));
}
return(sb.ToString());
}
public override void Visit(WBooleanComparisonExpression node)
{
node.FirstExpr.Accept(this);
string left = this.dfsStack.Pop();
node.SecondExpr.Accept(this);
string right = this.dfsStack.Pop();
string nodeStr;
if (node.ComparisonType == BooleanComparisonType.Equals && right == "null")
{
// IS_DEFINED(N_18._isEdgeDoc) = false
nodeStr = $"IS_DEFINED({left}) = false";
}
else
{
nodeStr = $"{left} {TsqlFragmentToString.BooleanComparisonType(node.ComparisonType)} {right}";
}
this.dfsStack.Push(nodeStr);
}