internal virtual void Has(GremlinToSqlContext currentContext, string propertyKey)
{
GraphTraversal2 traversal2 = GraphTraversal2.__().Properties(propertyKey);
traversal2.GetStartOp().InheritedVariableFromParent(currentContext);
currentContext.AddPredicate(SqlUtil.GetExistPredicate(traversal2.GetEndOp().GetContext().ToSelectQueryBlock()));
}
internal WBooleanExpression ToSqlBoolean()
{
if (this.TableReferencesInFromClause.Count == 0)
{
return(this.Predicates);
}
return(SqlUtil.GetExistPredicate(this.ToSelectQueryBlock()));
}
internal WBooleanExpression ToSqlBoolean()
{
if (TableReferences.Count == 0)
{
return(Predicates);
}
return(SqlUtil.GetExistPredicate(ToSelectQueryBlock()));
}
internal WBooleanExpression ToSqlBoolean()
{
if (TableReferences.Count == 0)
{
if (Predicates != null)
{
return(SqlUtil.GetBooleanParenthesisExpr(Predicates));
}
return(null);
}
else
{
return(SqlUtil.GetExistPredicate(ToSelectQueryBlock()));
}
}
/// <summary>
/// Only valid for VertexProperty
/// </summary>
internal virtual void HasKeyOrValue(GremlinToSqlContext currentContext, GremlinHasType hasType, List <object> valuesOrPredicates)
{
GraphTraversal2 traversal2 = hasType == GremlinHasType.HasKey ? GraphTraversal2.__().Key() : GraphTraversal2.__().Value();
traversal2.GetStartOp().InheritedVariableFromParent(currentContext);
GremlinToSqlContext existContext = traversal2.GetEndOp().GetContext();
List <WBooleanExpression> booleanExprList = new List <WBooleanExpression>();
GremlinVariableProperty defaultVariableProperty = existContext.PivotVariable.DefaultProjection();
foreach (var valuesOrPredicate in valuesOrPredicates)
{
booleanExprList.Add(CreateBooleanExpression(defaultVariableProperty, valuesOrPredicate));
}
existContext.AddPredicate(SqlUtil.ConcatBooleanExprWithOr(booleanExprList));
currentContext.AddPredicate(SqlUtil.GetExistPredicate(existContext.ToSelectQueryBlock()));
}