private OS.RecordDef TranslateRecord(RS.EntityDef r)
{
var Fields = r.Fields.Where(f => f.Attribute.OnColumn).Select(f => TranslateField(f)).ToList();
return(new OS.RecordDef {
Name = NamespaceParts.Concat(new List <String> {
r.Name
}).ToList(), Version = "", GenericParameters = new List <OS.VariableDef> {
}, Fields = Fields, Attributes = r.Attributes, Description = r.Description
});
}
/// <summary>实体</summary>
public static TypeDef CreateEntity(EntityDef Value)
{
return(new TypeDef {
_Tag = TypeDefTag.Entity, Entity = Value
});
}
public static FileParserResult ParseFile(Text Text)
{
var TypeFunctions = new HashSet <String>()
{
"Primitive", "Entity", "Enum"
};
var TableParameterFunctions = new HashSet <String>(TypeFunctions.Concat(new List <String> {
"Query"
}));
var TableContentFunctions = TypeFunctions;
var ps = new TreeFormatParseSetting()
{
IsTableParameterFunction = Name => TableParameterFunctions.Contains(Name),
IsTableContentFunction = Name => TableContentFunctions.Contains(Name)
};
var sp = new TreeFormatSyntaxParser(ps, Text);
var ParserResult = sp.Parse();
var ts = new TreeSerializer();
var Types = new List <TypeDef>();
var TypeRefs = new List <TypeDef>();
var Imports = new List <String>();
var Positions = new Dictionary <Object, TextRange>();
foreach (var TopNode in ParserResult.Value.MultiNodesList)
{
if (TopNode.OnFunctionNodes)
{
var pr = new TreeFormatParseResult
{
Value = new Forest {
MultiNodesList = new List <MultiNodes> {
TopNode
}
},
Text = Text,
Positions = ParserResult.Positions,
RawFunctionCalls = ParserResult.RawFunctionCalls
};
var es = new TreeFormatEvaluateSetting
{
FunctionCallEvaluator = (f, nm) =>
{
Action <Object, Object> Mark = (SemanticsObj, SyntaxObj) =>
{
var Range = nm.GetRange(SyntaxObj);
if (Range.OnSome)
{
Positions.Add(SemanticsObj, Range.Value);
}
};
if (TypeFunctions.Contains(f.Name.Text))
{
if (f.Parameters.Count < 1 || f.Parameters.Count > 2)
{
throw new InvalidEvaluationException("InvalidParameterCount", nm.GetFileRange(f), f);
}
var VersionedName = GetLeafNodeValue(f.Parameters[0], nm, "InvalidName");
var TypeRef = ParseTypeRef(VersionedName);
Mark(TypeRef, f.Parameters[0]);
var Name = (String)TypeRef;
var Attributes = new List <KeyValuePair <String, List <String> > >();
var Description = "";
if (f.Parameters.Count >= 2)
{
var DescriptionParameter = f.Parameters[1];
if (!DescriptionParameter.OnLeaf)
{
throw new InvalidEvaluationException("InvalidDescription", nm.GetFileRange(DescriptionParameter), DescriptionParameter);
}
var c = OS.TokenParser.DecomposeDescription(DescriptionParameter.Leaf);
Attributes = c.Attributes;
Mark(Attributes, f.Parameters[1]);
Description = c.Description;
}
var ContentLines = new List <FunctionCallTableLine> {
};
if (f.Content.OnSome)
{
var ContentValue = f.Content.Value;
if (!ContentValue.OnTableContent)
{
throw new InvalidEvaluationException("InvalidContent", nm.GetFileRange(ContentValue), ContentValue);
}
ContentLines = ContentValue.TableContent;
}
switch (f.Name.Text)
{
case "Primitive":
{
var GenericParameters = new List <VariableDef>();
foreach (var Line in ContentLines)
{
String cName = null;
TypeSpec cType = null;
var cAttributes = new List <KeyValuePair <String, List <String> > >();
var cDescription = "";
if (Line.Nodes.Count == 2)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidFieldName");
cType = ParseTypeSpec(Line.Nodes[1], nm, Positions);
}
else if (Line.Nodes.Count == 3)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidFieldName");
cType = ParseTypeSpec(Line.Nodes[1], nm, Positions);
var c = OS.TokenParser.DecomposeDescription(GetLeafNodeValue(Line.Nodes[2], nm, "InvalidDescription"));
cAttributes = c.Attributes;
Mark(cAttributes, Line.Nodes[2]);
cDescription = c.Description;
}
else if (Line.Nodes.Count == 0)
{
continue;
}
else
{
throw new InvalidEvaluationException("InvalidLineNodeCount", nm.GetFileRange(Line), Line);
}
if (cName.StartsWith("'"))
{
cName = new String(cName.Skip(1).ToArray());
var gp = new VariableDef {
Name = cName, Type = cType, Attributes = cAttributes, Description = cDescription, Attribute = null
};
Mark(gp, Line);
GenericParameters.Add(gp);
}
else
{
throw new InvalidEvaluationException("InvalidLine", nm.GetFileRange(Line), Line);
}
}
var p = new PrimitiveDef {
Name = Name, Attributes = Attributes, Description = Description
};
Mark(p, f);
var t = TypeDef.CreatePrimitive(p);
Mark(t, f);
Types.Add(t);
return(new List <TFSemantics.Node> {
});
}
case "Entity":
{
var Fields = new List <VariableDef>();
foreach (var Line in ContentLines)
{
String cName = null;
TypeSpec cType = null;
var cAttributes = new List <KeyValuePair <String, List <String> > >();
var cDescription = "";
if (Line.Nodes.Count == 2)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidFieldName");
cType = ParseTypeSpec(Line.Nodes[1], nm, Positions);
}
else if (Line.Nodes.Count == 3)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidFieldName");
cType = ParseTypeSpec(Line.Nodes[1], nm, Positions);
var c = OS.TokenParser.DecomposeDescription(GetLeafNodeValue(Line.Nodes[2], nm, "InvalidDescription"));
cAttributes = c.Attributes;
Mark(cAttributes, Line.Nodes[2]);
cDescription = c.Description;
}
else if (Line.Nodes.Count == 0)
{
continue;
}
else
{
throw new InvalidEvaluationException("InvalidLineNodeCount", nm.GetFileRange(Line), Line);
}
var p = new VariableDef {
Name = cName, Type = cType, Attributes = cAttributes, Description = cDescription
};
Mark(p, Line);
Fields.Add(p);
}
var ed = new EntityDef {
Name = Name, Fields = Fields, Attributes = Attributes, Description = Description
};
Mark(ed, f);
var t = TypeDef.CreateEntity(ed);
Mark(t, f);
Types.Add(t);
return(new List <TFSemantics.Node> {
});
}
case "Enum":
{
var Literals = new List <LiteralDef>();
Int64 NextValue = 0;
foreach (var Line in ContentLines)
{
String cName = null;
Int64 cValue = NextValue;
var cAttributes = new List <KeyValuePair <String, List <String> > >();
var cDescription = "";
if (Line.Nodes.Count == 1)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidLiteralName");
cValue = NextValue;
}
else if (Line.Nodes.Count == 2)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidLiteralName");
cValue = NumericStrings.InvariantParseInt64(GetLeafNodeValue(Line.Nodes[1], nm, "InvalidLiteralValue"));
}
else if (Line.Nodes.Count == 3)
{
cName = GetLeafNodeValue(Line.Nodes[0], nm, "InvalidLiteralName");
cValue = NumericStrings.InvariantParseInt64(GetLeafNodeValue(Line.Nodes[1], nm, "InvalidLiteralValue"));
var c = OS.TokenParser.DecomposeDescription(GetLeafNodeValue(Line.Nodes[2], nm, "InvalidDescription"));
cAttributes = c.Attributes;
Mark(cAttributes, Line.Nodes[2]);
cDescription = c.Description;
}
else if (Line.Nodes.Count == 0)
{
continue;
}
else
{
throw new InvalidEvaluationException("InvalidLineNodeCount", nm.GetFileRange(Line), Line);
}
NextValue = cValue + 1;
var ltl = new LiteralDef {
Name = cName, Value = cValue, Attributes = cAttributes, Description = cDescription
};
Mark(ltl, Line);
Literals.Add(ltl);
}
var r = (TypeRef)("Int");
Mark(r, f);
var UnderlyingType = TypeSpec.CreateTypeRef(r);
Mark(UnderlyingType, f);
var ed = new EnumDef {
Name = Name, UnderlyingType = UnderlyingType, Literals = Literals, Attributes = Attributes, Description = Description
};
Mark(ed, f);
var t = TypeDef.CreateEnum(ed);
Mark(t, f);
Types.Add(t);
return(new List <TFSemantics.Node> {
});
}
default:
{
throw new InvalidEvaluationException("UnknownFunction", nm.GetFileRange(f), f);
}
}
}
else if (f.Name.Text == "Query")
{
if (f.Parameters.Count != 0)
{
throw new InvalidEvaluationException("InvalidParameterCount", nm.GetFileRange(f), f);
}
var Verbs = new Dictionary <String, Func <Verb> >
{
{ "Select", () => Verb.CreateSelect() },
{ "Lock", () => Verb.CreateLock() },
{ "Insert", () => Verb.CreateInsert() },
{ "Update", () => Verb.CreateUpdate() },
{ "Upsert", () => Verb.CreateUpsert() },
{ "Delete", () => Verb.CreateDelete() }
};
var Numerals = new Dictionary <String, Func <Numeral> >
{
{ "Optional", () => Numeral.CreateOptional() },
{ "One", () => Numeral.CreateOne() },
{ "Many", () => Numeral.CreateMany() },
{ "All", () => Numeral.CreateAll() },
{ "Range", () => Numeral.CreateRange() },
{ "Count", () => Numeral.CreateCount() }
};
Func <int, TextLine, List <QueryDef> > ParseQueryDef = (IndentLevel, Line) =>
{
var l = new List <TFSemantics.Node>();
List <TFSemantics.Node> cl = null;
TextPosition clStart = default(TextPosition);
TextPosition clEnd = default(TextPosition);
if (Line.Text.Length < IndentLevel * 4)
{
return(new List <QueryDef> {
});
}
var LineRange = new TextRange {
Start = Text.Calc(Line.Range.Start, IndentLevel * 4), End = Line.Range.End
};
var Range = LineRange;
while (true)
{
var tpr = TreeFormatTokenParser.ReadToken(Text, pr.Positions, Range);
if (!tpr.OnSome)
{
break;
}
var v = tpr.Value.Token;
if (v.OnSingleLineComment)
{
break;
}
if (v.OnLeftParenthesis)
{
if (cl != null)
{
throw new InvalidTokenException("DoubleLeftParenthesis", new FileTextRange {
Text = Text, Range = Range
}, "(");
}
cl = new List <TFSemantics.Node>();
clStart = Range.Start;
clEnd = Range.End;
}
else if (v.OnRightParenthesis)
{
if (cl == null)
{
throw new InvalidTokenException("DismatchedRightParenthesis", new FileTextRange {
Text = Text, Range = Range
}, ")");
}
if (cl.Count == 0)
{
throw new InvalidTokenException("EmptyIndex", new FileTextRange {
Text = Text, Range = Range
}, ")");
}
if (tpr.Value.RemainingChars.OnSome)
{
clEnd = tpr.Value.RemainingChars.Value.End;
}
l.Add(nm.MakeStemNode("", cl, new TextRange {
Start = clStart, End = clEnd
}));
cl = null;
clStart = default(TextPosition);
clEnd = default(TextPosition);
}
else if (v.OnSingleLineLiteral)
{
if (cl != null)
{
cl.Add(nm.MakeLeafNode(v.SingleLineLiteral, pr.Positions[v]));
}
else
{
l.Add(nm.MakeLeafNode(v.SingleLineLiteral, pr.Positions[v]));
}
}
else
{
throw new InvalidTokenException("UnknownToken", new FileTextRange {
Text = Text, Range = Range
}, Text.GetTextInLine(Range));
}
if (!tpr.Value.RemainingChars.OnSome)
{
break;
}
Range = tpr.Value.RemainingChars.Value;
}
if (cl != null)
{
throw new InvalidTokenException("DismatchedRightParentheses", new FileTextRange {
Text = Text, Range = Range
}, "");
}
if (l.Count == 0)
{
return(new List <QueryDef> {
});
}
if (l.Count != 4 && l.Count != 6 && l.Count != 8)
{
throw new InvalidSyntaxException("InvalidQuery", new FileTextRange {
Text = Text, Range = LineRange
});
}
var From = GetLeafNodeValue(l[0], nm, "InvalidFrom");
if (From != "From")
{
throw new InvalidTokenException("InvalidFrom", nm.GetFileRange(l[0]), From);
}
var EntityName = GetLeafNodeValue(l[1], nm, "InvalidEntityName");
var VerbName = GetLeafNodeValue(l[2], nm, "InvalidVerb");
if (!Verbs.ContainsKey(VerbName))
{
throw new InvalidTokenException("InvalidVerb", nm.GetFileRange(l[2]), VerbName);
}
var Verb = Verbs[VerbName]();
Mark(Verb, l[2]);
var NumeralName = GetLeafNodeValue(l[3], nm, "InvalidNumeral");
if (!Numerals.ContainsKey(NumeralName))
{
throw new InvalidTokenException("InvalidNumeral", nm.GetFileRange(l[3]), NumeralName);
}
var Numeral = Numerals[NumeralName]();
Mark(Numeral, l[3]);
var By = new List <String> {
};
var OrderBy = new List <KeyColumn> {
};
if (l.Count >= 6)
{
var ByOrOrderByName = GetLeafNodeValue(l[4], nm, "InvalidByOrOrderBy");
if (ByOrOrderByName == "By")
{
if (l[5].OnLeaf)
{
By = new List <String> {
l[5].Leaf
};
}
else if (l[5].OnStem)
{
By = l[5].Stem.Children.Select(c => GetLeafNodeValue(c, nm, "InvalidKeyColumn")).ToList();
}
else
{
throw new InvalidSyntaxException("InvalidBy", nm.GetFileRange(l[5]));
}
Mark(By, l[5]);
}
else if (ByOrOrderByName == "OrderBy")
{
if (l[5].OnLeaf)
{
OrderBy = (new List <String> {
l[5].Leaf
}).Select(c => c.EndsWith("-") ? new KeyColumn {
Name = c.Substring(0, c.Length - 1), IsDescending = true
} : new KeyColumn {
Name = c, IsDescending = false
}).ToList();
}
else if (l[5].OnStem)
{
OrderBy = l[5].Stem.Children.Select(c => GetLeafNodeValue(c, nm, "InvalidKeyColumn")).Select(c => c.EndsWith("-") ? new KeyColumn {
Name = c.Substring(0, c.Length - 1), IsDescending = true
} : new KeyColumn {
Name = c, IsDescending = false
}).ToList();
}
else
{
throw new InvalidSyntaxException("InvalidOrderBy", nm.GetFileRange(l[5]));
}
Mark(OrderBy, l[5]);
}
else
{
throw new InvalidSyntaxException("InvalidByOrOrderBy", nm.GetFileRange(l[5]));
}
}
if (l.Count >= 8)
{
if (OrderBy.Count != 0)
{
throw new InvalidSyntaxException("InvalidOrderBy", nm.GetFileRange(l[6]));
}
var OrderByName = GetLeafNodeValue(l[6], nm, "InvalidOrderBy");
if (OrderByName == "OrderBy")
{
if (l[7].OnLeaf)
{
OrderBy = (new List <String> {
l[7].Leaf
}).Select(c => c.EndsWith("-") ? new KeyColumn {
Name = c.Substring(0, c.Length - 1), IsDescending = true
} : new KeyColumn {
Name = c, IsDescending = false
}).ToList();
}
else if (l[7].OnStem)
{
OrderBy = l[7].Stem.Children.Select(c => GetLeafNodeValue(c, nm, "InvalidKeyColumn")).Select(c => c.EndsWith("-") ? new KeyColumn {
Name = c.Substring(0, c.Length - 1), IsDescending = true
} : new KeyColumn {
Name = c, IsDescending = false
}).ToList();
}
else
{
throw new InvalidSyntaxException("InvalidOrderBy", nm.GetFileRange(l[7]));
}
Mark(OrderBy, l[7]);
}
else
{
throw new InvalidSyntaxException("InvalidOrderBy", nm.GetFileRange(l[7]));
}
}
var q = new QueryDef {
EntityName = EntityName, Verb = Verb, Numeral = Numeral, By = By, OrderBy = OrderBy
};
Mark(q, Line);
return(new List <QueryDef> {
q
});
};
var Queries = f.Content.Value.LineContent.Lines.SelectMany(Line => ParseQueryDef(f.Content.Value.LineContent.IndentLevel, Line)).ToList();
Mark(Queries, f);
var ql = new QueryListDef {
Queries = Queries
};
Mark(ql, f);
var t = TypeDef.CreateQueryList(ql);
Mark(t, f);
Types.Add(t);
return(new List <TFSemantics.Node> {
});
}
else
{
throw new InvalidEvaluationException("UnknownFunction", nm.GetFileRange(f), f);
}
}
};
var e = new TreeFormatEvaluator(es, pr);
e.Evaluate();
}
else
{
var pr = new TreeFormatParseResult
{
Value = new Forest {
MultiNodesList = new List <MultiNodes> {
TopNode
}
},
Text = Text,
Positions = ParserResult.Positions,
RawFunctionCalls = ParserResult.RawFunctionCalls
};
var es = new TreeFormatEvaluateSetting {
};
var e = new TreeFormatEvaluator(es, pr);
var er = e.Evaluate();
if (er.Value.Nodes.Count > 0)
{
var ReadResult = ts.Read <Schema>(CollectionOperations.CreatePair(er.Value, er.Positions));
Types.AddRange(ReadResult.Key.Types);
TypeRefs.AddRange(ReadResult.Key.TypeRefs);
Imports.AddRange(ReadResult.Key.Imports);
foreach (var p in ReadResult.Value)
{
if (p.Value.Range.OnSome)
{
Positions.Add(p.Key, p.Value.Range.Value);
}
}
}
}
}
var Schema = new Schema {
Types = Types, TypeRefs = TypeRefs, Imports = Imports
};
return(new FileParserResult {
Schema = Schema, Text = Text, Positions = Positions
});
}
private void FillEntityNavigations(EntityDef e, Dictionary <String, EntityDef> Entities)
{
//如果一个非简单类型属性(导航属性)没有标明外键或反外键，则
// 1)如果有<Name>Id的列，且该列为简单类型，类型表的主键列数量为1，则将该字段标明为[FK:<Name>Id=<Type/ElementType>.<PrimaryKey>]
// 2)如果类型表有一个<TableName>Id的列，且该列为简单类型，当前表的主键列数量为1，则将该字段标明为[RFK:<PrimaryKey>=<Type/ElementType>.<TableName>Id]
foreach (var f in e.Fields)
{
if (f.Attribute.OnNavigation)
{
String Name;
if (f.Type.OnTypeRef)
{
Name = f.Type.TypeRef.Value;
}
else if (f.Type.OnOptional)
{
Name = f.Type.Optional.Value;
}
else if (f.Type.OnList)
{
Name = f.Type.List.Value;
}
else
{
throw new InvalidOperationException();
}
if (!Entities.ContainsKey(Name))
{
throw new InvalidEvaluationException(String.Format("TableForNavigationFieldNotExist: {0}", f.Name), Positions.ContainsKey(f.Attributes) ? Positions[f.Attributes] : TreeFormat.Optional <FileTextRange> .Empty, f);
}
var ExternalEntity = Entities[Name];
if (f.Attribute.Navigation == null)
{
var FieldNameIds = e.Fields.Where(rf => rf.Attribute.OnColumn && rf.Name.Equals(f.Name + "Id", StringComparison.OrdinalIgnoreCase)).ToList();
if (FieldNameIds.Count == 1)
{
var FieldNameId = FieldNameIds.Single();
if (ExternalEntity.PrimaryKey.Columns.Count == 1)
{
f.Attribute.Navigation = new NavigationAttribute {
IsReverse = false, IsUnique = true, ThisKey = new List <String> {
FieldNameId.Name
}, OtherKey = new List <String> {
ExternalEntity.PrimaryKey.Columns.Select(c => c.Name).Single()
}
};
continue;
}
}
var TableNameIds = ExternalEntity.Fields.Where(rf => rf.Attribute.OnColumn && rf.Name.Equals(e.Name + "Id", StringComparison.OrdinalIgnoreCase)).ToList();
if (TableNameIds.Count == 1)
{
var TableNameId = TableNameIds.Single();
if (e.PrimaryKey.Columns.Count == 1)
{
f.Attribute.Navigation = new NavigationAttribute {
IsReverse = true, IsUnique = true, ThisKey = new List <String> {
e.PrimaryKey.Columns.Select(c => c.Name).Single()
}, OtherKey = new List <String> {
TableNameId.Name
}
};
continue;
}
}
throw new InvalidEvaluationException(String.Format("NoForeignKeyOrReverseForeignKey: {0}", f.Name), Positions.ContainsKey(f.Attributes) ? Positions[f.Attributes] : TreeFormat.Optional <FileTextRange> .Empty, f);
}
}
}
}
private void FillEntity(EntityDef e, Dictionary <String, EntityDef> Entities)
{
foreach (var f in e.Fields)
{
FillFieldAttribute(f, Entities);
if (f.Attribute.OnNavigation && !f.Attribute.Navigation.IsReverse && f.Attribute.Navigation.IsUnique && f.Type.OnOptional)
{
//如果N和FK同时使用，则报错
throw new InvalidEvaluationException(String.Format("InvalidAttribute: {0}", f.Name), Positions.ContainsKey(f.Attributes) ? Positions[f.Attributes] : TreeFormat.Optional <FileTextRange> .Empty, f.Attributes);
}
}
//如果不存在CN，则默认使用<EntityName>
var CollectionName = e.Name;
Key PrimaryKey = null;
var UniqueKeys = new List <Key>();
var NonUniqueKeys = new List <Key>();
foreach (var a in e.Attributes)
{
if (a.Key == "CN")
{
if (a.Value.Count != 1)
{
throw new InvalidEvaluationException(String.Format("InvalidAttribute: {0}", e.Name), Positions.ContainsKey(e.Attributes) ? Positions[e.Attributes] : TreeFormat.Optional <FileTextRange> .Empty, e.Attributes);
}
CollectionName = a.Value.Single();
}
else if (a.Key == "PK")
{
PrimaryKey = new Key {
Columns = GetColumns(a.Value), IsClustered = false
};
}
else if (a.Key == "PKC")
{
PrimaryKey = new Key {
Columns = GetColumns(a.Value), IsClustered = true
};
}
else if (a.Key == "UK")
{
UniqueKeys.Add(new Key {
Columns = GetColumns(a.Value), IsClustered = false
});
}
else if (a.Key == "UKC")
{
UniqueKeys.Add(new Key {
Columns = GetColumns(a.Value), IsClustered = true
});
}
else if (a.Key == "NK")
{
NonUniqueKeys.Add(new Key {
Columns = GetColumns(a.Value), IsClustered = false
});
}
else if (a.Key == "NKC")
{
NonUniqueKeys.Add(new Key {
Columns = GetColumns(a.Value), IsClustered = true
});
}
}
//如果没有声明PK，则自动寻找名称为Id或者<EntityName>Id(不区分大小写)的列为[PK]，但不会将该字段记为[I]
if (PrimaryKey == null)
{
var Ids = e.Fields.Where(f => f.Name.Equals("Id", StringComparison.Ordinal) || f.Name.Equals(e.Name + "Id", StringComparison.Ordinal)).ToList();
if (Ids.Count > 1)
{
throw new InvalidEvaluationException(String.Format("NoPrimaryKeyAttributeAndFoundMultipleDefaultPrimaryKeyField: {0}", e.Name), Positions.ContainsKey(e) ? Positions[e] : TreeFormat.Optional <FileTextRange> .Empty, e);
}
if (Ids.Count <= 0)
{
throw new InvalidEvaluationException(String.Format("NoPrimaryKeyAttributeAndNoDefaultPrimaryKeyField: {0}", e.Name), Positions.ContainsKey(e) ? Positions[e] : TreeFormat.Optional <FileTextRange> .Empty, e);
}
var Id = Ids.Single();
if (!Id.Attribute.OnColumn)
{
throw new InvalidEvaluationException(String.Format("NoPrimaryKeyAttributeAndDefaultPrimaryKeyFieldNotPrimitive: {0}", e.Name), Positions.ContainsKey(e) ? Positions[e] : TreeFormat.Optional <FileTextRange> .Empty, e);
}
PrimaryKey = new Key {
Columns = new List <KeyColumn> {
new KeyColumn {
Name = Id.Name, IsDescending = false
}
}, IsClustered = false
};
}
//如果没有一个Key有C，则默认PK有C
if ((!PrimaryKey.IsClustered) && !UniqueKeys.Any(k => k.IsClustered) && !NonUniqueKeys.Any(k => k.IsClustered))
{
PrimaryKey.IsClustered = true;
}
e.CollectionName = CollectionName;
e.PrimaryKey = PrimaryKey;
e.UniqueKeys = UniqueKeys;
e.NonUniqueKeys = NonUniqueKeys;
}
