public override SqlObject Visit(SqlIdentifier sqlIdentifier)
{
return(SqlIdentifier.Create(
this.GetObfuscatedString(
sqlIdentifier.Value,
"ident",
ref this.identifierSequenceNumber)));
}
public override SqlObject VisitArrayIteratorCollectionExpression([NotNull] sqlParser.ArrayIteratorCollectionExpressionContext context)
{
Contract.Requires(context != null);
SqlCollection sqlCollection = (SqlCollection)this.Visit(context.collection());
SqlIdentifier identifier = SqlIdentifier.Create(context.IDENTIFIER().GetText());
return(SqlArrayIteratorCollectionExpression.Create(identifier, sqlCollection));
}
public override SqlObject VisitPropertyRefScalarExpressionBase([NotNull] sqlParser.PropertyRefScalarExpressionBaseContext context)
{
Contract.Requires(context != null);
// IDENTIFIER
return(SqlPropertyRefScalarExpression.Create(
member: null,
SqlIdentifier.Create(context.IDENTIFIER().GetText())));
}
public override SqlObject VisitIdentifierPathExpression([NotNull] sqlParser.IdentifierPathExpressionContext context)
{
Contract.Requires(context != null);
SqlPathExpression pathExpression = (SqlPathExpression)this.Visit(context.path_expression());
SqlIdentifier identifier = SqlIdentifier.Create(context.IDENTIFIER().GetText());
return(SqlIdentifierPathExpression.Create(parentPath: pathExpression, value: identifier));
}
public override SqlObject VisitPropertyRefScalarExpressionRecursive([NotNull] sqlParser.PropertyRefScalarExpressionRecursiveContext context)
{
Contract.Requires(context != null);
// primary_expression '.' IDENTIFIER
SqlScalarExpression memberExpression = (SqlScalarExpression)this.Visit(context.primary_expression());
SqlIdentifier indentifier = SqlIdentifier.Create(context.IDENTIFIER().GetText());
return(SqlPropertyRefScalarExpression.Create(memberExpression, indentifier));
}
private SqlFromClause CreateSubqueryFromClause()
{
SqlQuery subquery = this.inputQuery.GetSqlQuery();
SqlSubqueryCollection collection = SqlSubqueryCollection.Create(subquery);
ParameterExpression inputParam = this.inputQuery.Alias;
SqlIdentifier identifier = SqlIdentifier.Create(inputParam.Name);
SqlAliasedCollectionExpression colExp = SqlAliasedCollectionExpression.Create(collection, identifier);
SqlFromClause fromClause = this.CreateFrom(colExp);
return(fromClause);
}
public void SqlArrayScalarExpressionTest()
{
CosmosObject tag = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["name"] = CosmosString.Create("asdf")
});
CosmosObject tags = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["tags"] = CosmosArray.Create(new List <CosmosElement>()
{
tag
}),
["_rid"] = CosmosString.Create("AYIMAMmFOw8YAAAAAAAAAA==")
});
CosmosObject tagsWrapped = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["c"] = tags,
["_rid"] = CosmosString.Create("AYIMAMmFOw8YAAAAAAAAAA==")
});
// ARRAY(SELECT VALUE t.name FROM t in c.tags)
SqlArrayScalarExpression arrayScalarExpression = SqlArrayScalarExpression.Create(
SqlQuery.Create(
SqlSelectClause.Create(
SqlSelectValueSpec.Create(
TestUtils.CreatePathExpression("t", "name"))),
SqlFromClause.Create(
SqlArrayIteratorCollectionExpression.Create(
SqlIdentifier.Create("t"),
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
SqlStringPathExpression.Create(
null,
SqlStringLiteral.Create("tags"))))),
whereClause: null,
groupByClause: null,
orderByClause: null,
offsetLimitClause: null));
CosmosArray tagNames = CosmosArray.Create(new List <CosmosElement>()
{
CosmosString.Create("asdf")
});
AssertEvaluation(tagNames, arrayScalarExpression, tagsWrapped);
}
/// <summary>
/// Create a FROM clause from a set of FROM parameter bindings.
/// </summary>
/// <returns>The created FROM clause.</returns>
private SqlFromClause CreateFrom(SqlCollectionExpression inputCollectionExpression)
{
bool first = true;
foreach (Binding paramDef in this.fromParameters.GetBindings())
{
// If input collection expression is provided, the first binding,
// which is the input paramter name, should be omitted.
if (first)
{
first = false;
if (inputCollectionExpression != null)
{
continue;
}
}
ParameterExpression parameter = paramDef.Parameter;
SqlCollection paramBinding = paramDef.ParameterDefinition;
SqlIdentifier identifier = SqlIdentifier.Create(parameter.Name);
SqlCollectionExpression collExpr;
if (!paramDef.IsInCollection)
{
SqlCollection collection = paramBinding ?? SqlInputPathCollection.Create(identifier, null);
SqlIdentifier alias = paramBinding == null ? null : identifier;
collExpr = SqlAliasedCollectionExpression.Create(collection, alias);
}
else
{
collExpr = SqlArrayIteratorCollectionExpression.Create(identifier, paramBinding);
}
if (inputCollectionExpression != null)
{
inputCollectionExpression = SqlJoinCollectionExpression.Create(inputCollectionExpression, collExpr);
}
else
{
inputCollectionExpression = collExpr;
}
}
SqlFromClause fromClause = SqlFromClause.Create(inputCollectionExpression);
return(fromClause);
}
public override SqlObject VisitInputPathCollection([NotNull] sqlParser.InputPathCollectionContext context)
{
Contract.Requires(context != null);
SqlIdentifier identifier = SqlIdentifier.Create(context.IDENTIFIER().GetText());
SqlPathExpression pathExpression;
if (context.path_expression() != null)
{
pathExpression = (SqlPathExpression)this.Visit(context.path_expression());
}
else
{
pathExpression = null;
}
return(SqlInputPathCollection.Create(identifier, pathExpression));
}
public override SqlObject VisitAliasedCollectionExpression([NotNull] sqlParser.AliasedCollectionExpressionContext context)
{
Contract.Requires(context != null);
SqlCollection sqlCollection = (SqlCollection)this.Visit(context.collection());
SqlIdentifier alias;
if (context.IDENTIFIER() != null)
{
alias = SqlIdentifier.Create(context.IDENTIFIER().GetText());
}
else
{
alias = default;
}
return(SqlAliasedCollectionExpression.Create(sqlCollection, alias));
}
public override SqlObject VisitSelect_item([NotNull] sqlParser.Select_itemContext context)
{
Contract.Requires(context != null);
SqlScalarExpression sqlScalarExpression = (SqlScalarExpression)this.Visit(context.scalar_expression());
SqlIdentifier alias;
if (context.IDENTIFIER() != null)
{
alias = SqlIdentifier.Create(context.IDENTIFIER().GetText());
}
else
{
alias = default;
}
return(SqlSelectItem.Create(sqlScalarExpression, alias));
}
public override SqlObject VisitFunctionCallScalarExpression([NotNull] sqlParser.FunctionCallScalarExpressionContext context)
{
Contract.Requires(context != null);
// (K_UDF '.')? IDENTIFIER '(' scalar_expression_list? ')'
bool udf = context.K_UDF() != null;
SqlIdentifier identifier = SqlIdentifier.Create(context.IDENTIFIER().GetText());
List <SqlScalarExpression> arguments = new List <SqlScalarExpression>();
if (context.scalar_expression_list() != null)
{
foreach (sqlParser.Scalar_expressionContext scalarExpressionContext in context.scalar_expression_list().scalar_expression())
{
arguments.Add((SqlScalarExpression)this.Visit(scalarExpressionContext));
}
}
return(SqlFunctionCallScalarExpression.Create(identifier, udf, arguments.ToImmutableArray()));
}
private static SqlScalarExpression GenerateMemberIndexerScalarExpressionFromPath(Path path)
{
if (path.Length < 1)
{
throw new ArgumentException($"{nameof(path)} is too short.");
}
if (!(path.First() is StringPathToken rootToken))
{
throw new ArgumentException($"{nameof(path)} did not start with a string.");
}
SqlScalarExpression rootExpression = SqlPropertyRefScalarExpression.Create(
member: null,
identifier: SqlIdentifier.Create(rootToken.PropertyName));
foreach (PathToken token in path.Skip(1))
{
SqlLiteralScalarExpression memberIndexer;
switch (token)
{
case StringPathToken stringPathToken:
memberIndexer = SqlLiteralScalarExpression.Create(
SqlStringLiteral.Create(
stringPathToken.PropertyName));
break;
case IntegerPathToken integerPathToken:
memberIndexer = SqlLiteralScalarExpression.Create(
SqlNumberLiteral.Create(
integerPathToken.Index));
break;
default:
throw new ArgumentException($"Unknown token type: {token.GetType()}; {token}");
}
rootExpression = SqlMemberIndexerScalarExpression.Create(rootExpression, memberIndexer);
}
return(rootExpression);
}
public void ArrayIteratorCollectionExpressionTest()
{
// FROM p in f.parents
SqlArrayIteratorCollectionExpression fromPInFDotParents = SqlArrayIteratorCollectionExpression.Create(
SqlIdentifier.Create("p"),
SqlInputPathCollection.Create(
SqlIdentifier.Create("f"),
SqlStringPathExpression.Create(
null,
SqlStringLiteral.Create("parents"))));
CosmosElement andersenParent1 = CosmosElement.Parse(@"{ ""p"" : { ""firstName"": ""Thomas"" }, ""_rid"": ""0fomAIxnukU1AQAAAAAAAA==""}");
CosmosElement andersenParent2 = CosmosElement.Parse(@"{ ""p"" : { ""firstName"": ""Mary Kay""}, ""_rid"": ""0fomAIxnukU1AQAAAAAAAA=="" }");
CosmosElement wakeFieldParent1 = CosmosElement.Parse(@"{ ""p"" : { ""familyName"": ""Wakefield"", ""givenName"": ""Robin"" }, ""_rid"": ""0fomAIxnukU1AQAAAAAAAB=="" }");
CosmosElement wakeFieldParent2 = CosmosElement.Parse(@"{ ""p"" : { ""familyName"": ""Miller"", ""givenName"": ""Ben"" }, ""_rid"": ""0fomAIxnukU1AQAAAAAAAB=="" }");
AssertEvaluation(new CosmosElement[]
{
andersenParent1,
andersenParent2,
wakeFieldParent1,
wakeFieldParent2,
}, fromPInFDotParents, DataSource);
}
public void AliasedCollectionExpressionTest()
{
// FROM c
SqlAliasedCollectionExpression fromC = SqlAliasedCollectionExpression.Create(
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
relativePath: null),
alias: null);
CosmosObject andersenWrapped = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["c"] = AndersenFamily,
["_rid"] = AndersenFamily["_rid"]
});
CosmosObject wakeFieldWrapped = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["c"] = WakefieldFamily,
["_rid"] = WakefieldFamily["_rid"]
});
AssertEvaluation(new CosmosElement[] { andersenWrapped, wakeFieldWrapped }, fromC, DataSource);
// FROM c.id
SqlAliasedCollectionExpression fromCDotId = SqlAliasedCollectionExpression.Create(
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
SqlIdentifierPathExpression.Create(
null,
SqlIdentifier.Create("id"))),
alias: null);
CosmosObject andersenId = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["id"] = CosmosString.Create("AndersenFamily"),
["_rid"] = AndersenFamily["_rid"]
});
CosmosObject wakefieldId = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["id"] = CosmosString.Create("WakefieldFamily"),
["_rid"] = WakefieldFamily["_rid"]
});
AssertEvaluation(new CosmosElement[] { andersenId, wakefieldId }, fromCDotId, DataSource);
// FROM c.id AS familyId
SqlAliasedCollectionExpression fromCDotIdAsFamilyId = SqlAliasedCollectionExpression.Create(
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
SqlIdentifierPathExpression.Create(
null,
SqlIdentifier.Create("id"))),
SqlIdentifier.Create("familyId"));
CosmosObject andersenIdAsFamilyId = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["familyId"] = CosmosString.Create("AndersenFamily"),
["_rid"] = AndersenFamily["_rid"]
});
CosmosObject wakefieldIdAsFamilyId = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["familyId"] = CosmosString.Create("WakefieldFamily"),
["_rid"] = WakefieldFamily["_rid"]
});
AssertEvaluation(new CosmosElement[] { andersenIdAsFamilyId, wakefieldIdAsFamilyId }, fromCDotIdAsFamilyId, DataSource);
// FROM (SELECT VALUE child["grade"] FROM child IN c.children) grade
SqlAliasedCollectionExpression fromSubqueryGrades = SqlAliasedCollectionExpression.Create(
SqlSubqueryCollection.Create(
SqlQuery.Create(
SqlSelectClause.Create(
SqlSelectValueSpec.Create(
TestUtils.CreatePathExpression("child", "grade"))),
SqlFromClause.Create(
SqlArrayIteratorCollectionExpression.Create(
SqlIdentifier.Create("child"),
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
SqlStringPathExpression.Create(
null,
SqlStringLiteral.Create("children"))))),
whereClause: null,
groupByClause: null,
orderByClause: null,
offsetLimitClause: null)),
SqlIdentifier.Create("grade"));
CosmosObject henrietteWrapped = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["grade"] = CosmosNumber64.Create(5),
["_rid"] = AndersenFamily["_rid"]
});
CosmosObject jesseWrapped = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["grade"] = CosmosNumber64.Create(1),
["_rid"] = WakefieldFamily["_rid"]
});
CosmosObject lisaWrapped = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["grade"] = CosmosNumber64.Create(8),
["_rid"] = WakefieldFamily["_rid"]
});
AssertEvaluation(
new CosmosElement[]
{
henrietteWrapped,
jesseWrapped,
lisaWrapped
},
fromSubqueryGrades,
DataSource);
}
/// <summary>
/// Flatten subqueries into a single query by substituting their expressions in the current query.
/// </summary>
/// <returns>A flattened query.</returns>
private QueryUnderConstruction Flatten()
{
// SELECT fo(y) FROM y IN (SELECT fi(x) FROM x WHERE gi(x)) WHERE go(y)
// is translated by substituting fi(x) for y in the outer query
// producing
// SELECT fo(fi(x)) FROM x WHERE gi(x) AND (go(fi(x))
if (this.inputQuery == null)
{
// we are flat already
if (this.selectClause == null)
{
// If selectClause doesn't exists, use SELECT v0 where v0 is the input parameter, instead of SELECT *.
string parameterName = this.fromParameters.GetInputParameter().Name;
SqlScalarExpression parameterExpression = SqlPropertyRefScalarExpression.Create(null, SqlIdentifier.Create(parameterName));
this.selectClause = SqlSelectClause.Create(SqlSelectValueSpec.Create(parameterExpression));
}
else
{
this.selectClause = SqlSelectClause.Create(this.selectClause.SelectSpec, this.topSpec, this.selectClause.HasDistinct);
}
return(this);
}
QueryUnderConstruction flatInput = this.inputQuery.Flatten();
SqlSelectClause inputSelect = flatInput.selectClause;
SqlWhereClause inputwhere = flatInput.whereClause;
// Determine the paramName to be replaced in the current query
// It should be the top input parameter name which is not binded in this collection.
// That is because if it has been binded before, it has global scope and should not be replaced.
string paramName = null;
HashSet <string> inputQueryParams = new HashSet <string>();
foreach (Binding binding in this.inputQuery.fromParameters.GetBindings())
{
inputQueryParams.Add(binding.Parameter.Name);
}
foreach (Binding binding in this.fromParameters.GetBindings())
{
if (binding.ParameterDefinition == null || inputQueryParams.Contains(binding.Parameter.Name))
{
paramName = binding.Parameter.Name;
}
}
SqlIdentifier replacement = SqlIdentifier.Create(paramName);
SqlSelectClause composedSelect = Substitute(inputSelect, inputSelect.TopSpec ?? this.topSpec, replacement, this.selectClause);
SqlWhereClause composedWhere = Substitute(inputSelect.SelectSpec, replacement, this.whereClause);
SqlOrderbyClause composedOrderBy = Substitute(inputSelect.SelectSpec, replacement, this.orderByClause);
SqlWhereClause and = QueryUnderConstruction.CombineWithConjunction(inputwhere, composedWhere);
FromParameterBindings fromParams = QueryUnderConstruction.CombineInputParameters(flatInput.fromParameters, this.fromParameters);
SqlOffsetSpec offsetSpec;
SqlLimitSpec limitSpec;
if (flatInput.offsetSpec != null)
{
offsetSpec = flatInput.offsetSpec;
limitSpec = flatInput.limitSpec;
}
else
{
offsetSpec = this.offsetSpec;
limitSpec = this.limitSpec;
}
QueryUnderConstruction result = new QueryUnderConstruction(this.aliasCreatorFunc)
{
selectClause = composedSelect,
whereClause = and,
inputQuery = null,
fromParameters = flatInput.fromParameters,
orderByClause = composedOrderBy ?? this.inputQuery.orderByClause,
offsetSpec = offsetSpec,
limitSpec = limitSpec,
alias = new Lazy <ParameterExpression>(() => this.Alias)
};
return(result);
}
/// <summary>
/// Convert the entire query to a SQL Query.
/// </summary>
/// <returns>The corresponding SQL Query.</returns>
public SqlQuery GetSqlQuery()
{
SqlFromClause fromClause;
if (this.inputQuery != null)
{
#if SUPPORT_SUBQUERIES
fromClause = this.CreateSubqueryFromClause();
#else
throw new DocumentQueryException("SQL subqueries currently not supported");
#endif
}
else
{
fromClause = this.CreateFrom(inputCollectionExpression: null);
}
// Create a SqlSelectClause with the topSpec.
// If the query is flatten then selectClause may have a topSpec. It should be taken in that case.
// If the query doesn't have a selectClause, use SELECT v0 where v0 is the input param.
SqlSelectClause selectClause = this.selectClause;
if (selectClause == null)
{
string parameterName = this.fromParameters.GetInputParameter().Name;
SqlScalarExpression parameterExpression = SqlPropertyRefScalarExpression.Create(null, SqlIdentifier.Create(parameterName));
selectClause = this.selectClause = SqlSelectClause.Create(SqlSelectValueSpec.Create(parameterExpression));
}
selectClause = SqlSelectClause.Create(selectClause.SelectSpec, selectClause.TopSpec ?? this.topSpec, selectClause.HasDistinct);
SqlOffsetLimitClause offsetLimitClause = (this.offsetSpec != null) ?
SqlOffsetLimitClause.Create(this.offsetSpec, this.limitSpec ?? SqlLimitSpec.Create(int.MaxValue)) :
offsetLimitClause = default(SqlOffsetLimitClause);
SqlQuery result = SqlQuery.Create(selectClause, fromClause, this.whereClause, this.orderByClause, offsetLimitClause);
return(result);
}
public void SqlSelectListSpecTest()
{
CosmosObject john = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["name"] = CosmosString.Create("John"),
["age"] = CosmosNumber64.Create(25)
});
CosmosObject johnWrapped = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["c"] = john
});
// { c.name, c.age }
SqlScalarExpression cDotName = TestUtils.CreatePathExpression("c", "name");
SqlScalarExpression cDotAge = TestUtils.CreatePathExpression("c", "age");
SqlSelectListSpec listSpec = SqlSelectListSpec.Create(
SqlSelectItem.Create(cDotName),
SqlSelectItem.Create(cDotAge));
AssertEvaluation(john, listSpec, johnWrapped);
// { c.name AS nameAlias }
CosmosObject johnAliased = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["nameAlias"] = CosmosString.Create("John"),
});
SqlSelectListSpec listSpecWithAlias = SqlSelectListSpec.Create(SqlSelectItem.Create(cDotName, SqlIdentifier.Create("nameAlias")));
AssertEvaluation(johnAliased, listSpecWithAlias, johnWrapped);
// { 3 + 5 }
CosmosObject johnNonPropertyName = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["$1"] = CosmosNumber64.Create(8)
});
SqlLiteralScalarExpression five = SqlLiteralScalarExpression.Create(SqlNumberLiteral.Create(5));
SqlLiteralScalarExpression three = SqlLiteralScalarExpression.Create(SqlNumberLiteral.Create(3));
SqlBinaryScalarExpression fivePlusThree = SqlBinaryScalarExpression.Create(SqlBinaryScalarOperatorKind.Add, five, three);
SqlSelectListSpec listSpecNonMember = SqlSelectListSpec.Create(SqlSelectItem.Create(fivePlusThree));
AssertEvaluation(johnNonPropertyName, listSpecNonMember);
// { 3 + 5 AS Five Plus Three }
CosmosObject johnNonPropertyNameAliased = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["Five Plus Three"] = CosmosNumber64.Create(8)
});
SqlSelectListSpec listSpecNonMemberAliased = SqlSelectListSpec.Create(SqlSelectItem.Create(fivePlusThree, SqlIdentifier.Create("Five Plus Three")));
AssertEvaluation(johnNonPropertyNameAliased, listSpecNonMemberAliased);
// { c.blah[0] }
CosmosObject numberIndex = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["blah"] = CosmosArray.Create(
new List <CosmosElement>()
{
CosmosNumber64.Create(0),
CosmosNumber64.Create(1),
CosmosNumber64.Create(2)
})
});
CosmosObject numberIndexWrapped = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["c"] = numberIndex
});
CosmosObject numberIndexEval = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["$1"] = CosmosNumber64.Create(0)
});
SqlScalarExpression cDotBlah0 = TestUtils.CreatePathExpression("c", "blah", 0);
SqlSelectListSpec numberIndexSpec = SqlSelectListSpec.Create(SqlSelectItem.Create(cDotBlah0));
AssertEvaluation(numberIndexEval, numberIndexSpec, numberIndexWrapped);
}
public void SqlExistsScalarExpressionTest()
{
CosmosObject tag = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["name"] = CosmosString.Create("asdf")
});
CosmosObject tags = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["tags"] = CosmosArray.Create(new List <CosmosElement>()
{
tag
}),
["_rid"] = CosmosString.Create("AYIMAMmFOw8YAAAAAAAAAA==")
});
CosmosObject tagsWrapped = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["c"] = tags,
["_rid"] = CosmosString.Create("AYIMAMmFOw8YAAAAAAAAAA==")
});
// EXISTS(SELECT VALUE t.name FROM t in c.tags where t.name = "asdf")
SqlExistsScalarExpression existsScalarExpressionMatched = SqlExistsScalarExpression.Create(
SqlQuery.Create(
SqlSelectClause.Create(
SqlSelectValueSpec.Create(
TestUtils.CreatePathExpression("t", "name"))),
SqlFromClause.Create(
SqlArrayIteratorCollectionExpression.Create(
SqlIdentifier.Create("t"),
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
SqlStringPathExpression.Create(
null,
SqlStringLiteral.Create("tags"))))),
SqlWhereClause.Create(
SqlBinaryScalarExpression.Create(
SqlBinaryScalarOperatorKind.Equal,
TestUtils.CreatePathExpression("t", "name"),
SqlLiteralScalarExpression.Create(SqlStringLiteral.Create("asdf")))),
groupByClause: null,
orderByClause: null,
offsetLimitClause: null));
AssertEvaluation(CosmosBoolean.Create(true), existsScalarExpressionMatched, tagsWrapped);
SqlExistsScalarExpression existsScalarExpressionNotMatched = SqlExistsScalarExpression.Create(
SqlQuery.Create(
SqlSelectClause.Create(
SqlSelectValueSpec.Create(
TestUtils.CreatePathExpression("t", "name"))),
SqlFromClause.Create(
SqlArrayIteratorCollectionExpression.Create(
SqlIdentifier.Create("t"),
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
SqlStringPathExpression.Create(
null,
SqlStringLiteral.Create("tags"))))),
SqlWhereClause.Create(
SqlBinaryScalarExpression.Create(
SqlBinaryScalarOperatorKind.NotEqual,
TestUtils.CreatePathExpression("t", "name"),
SqlLiteralScalarExpression.Create(SqlStringLiteral.Create("asdf")))),
groupByClause: null,
orderByClause: null,
offsetLimitClause: null));
AssertEvaluation(CosmosBoolean.Create(false), existsScalarExpressionNotMatched, tagsWrapped);
}
public void JoinCollectionExpressionTest()
{
// FROM f
// JOIN c IN f.children
// JOIN p in c.pets
SqlAliasedCollectionExpression fromf = SqlAliasedCollectionExpression.Create(
SqlInputPathCollection.Create(
SqlIdentifier.Create("f"),
relativePath: null),
alias: null);
SqlArrayIteratorCollectionExpression cInFDotChildren = SqlArrayIteratorCollectionExpression.Create(
SqlIdentifier.Create("c"),
SqlInputPathCollection.Create(
SqlIdentifier.Create("f"),
SqlStringPathExpression.Create(
null,
SqlStringLiteral.Create("children"))));
SqlJoinCollectionExpression joinFC = SqlJoinCollectionExpression.Create(
fromf,
cInFDotChildren);
CosmosElement andersenChild1 = CosmosElement.Parse(@"
{
""f"": {
""id"": ""AndersenFamily"",
""lastName"": ""Andersen"",
""parents"": [
{ ""firstName"": ""Thomas"" },
{ ""firstName"": ""Mary Kay""}
],
""children"": [
{
""firstName"": ""Henriette Thaulow"",
""gender"": ""female"",
""grade"": 5,
""pets"": [{ ""givenName"": ""Fluffy"" }]
}
],
""address"": { ""state"": ""WA"", ""county"": ""King"", ""city"": ""seattle"" },
""creationDate"": 1431620472,
""isRegistered"": true,
""_rid"": ""0fomAIxnukU1AQAAAAAAAA==""
},
""c"": {
""firstName"": ""Henriette Thaulow"",
""gender"": ""female"",
""grade"": 5,
""pets"": [{ ""givenName"": ""Fluffy"" }]
}, ""_rid"": ""0fomAIxnukU1AQAAAAAAAA==""
}");
CosmosElement wakeFieldChild1 = CosmosElement.Parse(@"
{
""f"": {
""id"": ""WakefieldFamily"",
""parents"": [
{ ""familyName"": ""Wakefield"", ""givenName"": ""Robin"" },
{ ""familyName"": ""Miller"", ""givenName"": ""Ben"" }
],
""children"": [
{
""familyName"": ""Merriam"",
""givenName"": ""Jesse"",
""gender"": ""female"", ""grade"": 1,
""pets"": [
{ ""givenName"": ""Goofy"" },
{ ""givenName"": ""Shadow"" }
]
},
{
""familyName"": ""Miller"",
""givenName"": ""Lisa"",
""gender"": ""female"",
""grade"": 8 }
],
""address"": { ""state"": ""NY"", ""county"": ""Manhattan"", ""city"": ""NY"" },
""creationDate"": 1431620462,
""isRegistered"": false,
""_rid"": ""0fomAIxnukU1AQAAAAAAAB==""
},
""c"": {
""familyName"": ""Merriam"",
""givenName"": ""Jesse"",
""gender"": ""female"", ""grade"": 1,
""pets"": [
{ ""givenName"": ""Goofy"" },
{ ""givenName"": ""Shadow"" }
]
}, ""_rid"": ""0fomAIxnukU1AQAAAAAAAB==""
}");
CosmosElement wakeFieldChild2 = CosmosElement.Parse(@"
{
""f"": {
""id"": ""WakefieldFamily"",
""parents"": [
{ ""familyName"": ""Wakefield"", ""givenName"": ""Robin"" },
{ ""familyName"": ""Miller"", ""givenName"": ""Ben"" }
],
""children"": [
{
""familyName"": ""Merriam"",
""givenName"": ""Jesse"",
""gender"": ""female"", ""grade"": 1,
""pets"": [
{ ""givenName"": ""Goofy"" },
{ ""givenName"": ""Shadow"" }
]
},
{
""familyName"": ""Miller"",
""givenName"": ""Lisa"",
""gender"": ""female"",
""grade"": 8 }
],
""address"": { ""state"": ""NY"", ""county"": ""Manhattan"", ""city"": ""NY"" },
""creationDate"": 1431620462,
""isRegistered"": false,
""_rid"": ""0fomAIxnukU1AQAAAAAAAB==""
},
""c"": {
""familyName"": ""Miller"",
""givenName"": ""Lisa"",
""gender"": ""female"",
""grade"": 8 }, ""_rid"": ""0fomAIxnukU1AQAAAAAAAB==""
}");
AssertEvaluation(new CosmosElement[] { andersenChild1, wakeFieldChild1, wakeFieldChild2 }, joinFC, DataSource);
SqlArrayIteratorCollectionExpression pInCDotPets = SqlArrayIteratorCollectionExpression.Create(
SqlIdentifier.Create("p"),
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
SqlStringPathExpression.Create(
null,
SqlStringLiteral.Create("pets"))));
SqlJoinCollectionExpression joinFCP = SqlJoinCollectionExpression.Create(
SqlJoinCollectionExpression.Create(fromf, cInFDotChildren),
pInCDotPets);
CosmosElement andersenChild1Pet1 = CosmosElement.Parse(@"
{
""f"": {
""id"": ""AndersenFamily"",
""lastName"": ""Andersen"",
""parents"": [
{ ""firstName"": ""Thomas"" },
{ ""firstName"": ""Mary Kay""}
],
""children"": [
{
""firstName"": ""Henriette Thaulow"",
""gender"": ""female"",
""grade"": 5,
""pets"": [{ ""givenName"": ""Fluffy"" }]
}
],
""address"": { ""state"": ""WA"", ""county"": ""King"", ""city"": ""seattle"" },
""creationDate"": 1431620472,
""isRegistered"": true,
""_rid"": ""0fomAIxnukU1AQAAAAAAAA==""
},
""c"": {
""firstName"": ""Henriette Thaulow"",
""gender"": ""female"",
""grade"": 5,
""pets"": [{ ""givenName"": ""Fluffy"" }]
},
""p"": { ""givenName"": ""Fluffy"" },
""_rid"": ""0fomAIxnukU1AQAAAAAAAA==""
}");
CosmosElement wakeFieldChild1Pet1 = CosmosElement.Parse(@"
{
""f"": {
""id"": ""WakefieldFamily"",
""parents"": [
{ ""familyName"": ""Wakefield"", ""givenName"": ""Robin"" },
{ ""familyName"": ""Miller"", ""givenName"": ""Ben"" }
],
""children"": [
{
""familyName"": ""Merriam"",
""givenName"": ""Jesse"",
""gender"": ""female"", ""grade"": 1,
""pets"": [
{ ""givenName"": ""Goofy"" },
{ ""givenName"": ""Shadow"" }
]
},
{
""familyName"": ""Miller"",
""givenName"": ""Lisa"",
""gender"": ""female"",
""grade"": 8 }
],
""address"": { ""state"": ""NY"", ""county"": ""Manhattan"", ""city"": ""NY"" },
""creationDate"": 1431620462,
""isRegistered"": false,
""_rid"": ""0fomAIxnukU1AQAAAAAAAB==""
},
""c"": {
""familyName"": ""Merriam"",
""givenName"": ""Jesse"",
""gender"": ""female"", ""grade"": 1,
""pets"": [
{ ""givenName"": ""Goofy"" },
{ ""givenName"": ""Shadow"" }
]
},
""p"": { ""givenName"": ""Goofy"" },
""_rid"": ""0fomAIxnukU1AQAAAAAAAB==""
}");
CosmosElement wakeFieldChild1Pet2 = CosmosElement.Parse(@"
{
""f"": {
""id"": ""WakefieldFamily"",
""parents"": [
{ ""familyName"": ""Wakefield"", ""givenName"": ""Robin"" },
{ ""familyName"": ""Miller"", ""givenName"": ""Ben"" }
],
""children"": [
{
""familyName"": ""Merriam"",
""givenName"": ""Jesse"",
""gender"": ""female"", ""grade"": 1,
""pets"": [
{ ""givenName"": ""Goofy"" },
{ ""givenName"": ""Shadow"" }
]
},
{
""familyName"": ""Miller"",
""givenName"": ""Lisa"",
""gender"": ""female"",
""grade"": 8 }
],
""address"": { ""state"": ""NY"", ""county"": ""Manhattan"", ""city"": ""NY"" },
""creationDate"": 1431620462,
""isRegistered"": false,
""_rid"": ""0fomAIxnukU1AQAAAAAAAB==""
},
""c"": {
""familyName"": ""Merriam"",
""givenName"": ""Jesse"",
""gender"": ""female"", ""grade"": 1,
""pets"": [
{ ""givenName"": ""Goofy"" },
{ ""givenName"": ""Shadow"" }
]
},
""p"": { ""givenName"": ""Shadow"" },
""_rid"": ""0fomAIxnukU1AQAAAAAAAB==""
}");
AssertEvaluation(new CosmosElement[] { andersenChild1Pet1, wakeFieldChild1Pet1, wakeFieldChild1Pet2 }, joinFCP, DataSource);
// SELECT c.id
// FROM c
// JOIN c.nonExistent
SqlAliasedCollectionExpression c = SqlAliasedCollectionExpression.Create(
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
relativePath: null),
alias: null);
SqlAliasedCollectionExpression cDotNonExistent = SqlAliasedCollectionExpression.Create(
SqlInputPathCollection.Create(
SqlIdentifier.Create("c"),
SqlStringPathExpression.Create(
null,
SqlStringLiteral.Create("nonExistent"))),
alias: null);
SqlJoinCollectionExpression joinCAndCDotNonExistent = SqlJoinCollectionExpression.Create(
c,
cDotNonExistent);
AssertEvaluation(new CosmosElement[] { }, joinCAndCDotNonExistent, DataSource);
}
