protected override void VisitInnerJoin(InnerJoin item)
{
if (_DetectingMetadataQuery)
{
item.RightHand.Source.Accept(this);
}
}
public Join <TDto> InnerJoin(string tableName, string tableAlias = null, string dbSchema = "dbo")
{
var innerJoin = new InnerJoin <TDto>(_spry, this, new SprySelectTable <TDto>(_spry, tableName, tableAlias, dbSchema));
_joins.Add(innerJoin);
return(innerJoin);
}
static void Main(string[] args)
{
var freesql = new FreeSql.FreeSqlBuilder()
.UseConnectionString(FreeSql.DataType.PostgreSQL, "")
.Build();
TableInfomationInitor.Initialize(freesql, typeof(Test), typeof(DomainFlags));
OrmNavigate <Test> .Join <Test2>(item => item.DomainFlags, item => item.Id);
var sql = new JoinTemplate <Test>(freesql);
var result = sql.ToList(item => new
{
item.Id,
item.DomainFlags,
DomainName = RightJoin <DomainFlags> .MapFrom(item => item.Name)
});
sql = new JoinTemplate <Test>(freesql);
var result1 = sql.ToList(item => new
{
item.Id,
item.DomainFlags,
DomainName = InnerJoin <DomainFlags> .MapFrom(item => item.Name)
});
Console.ReadKey();
}
public async Task <(Actor, string, Cast, string)[]> GetTuple()
{
string aliasactor = "actor";
string aliascast = "cast";
try
{
var query = await _dao.NewQueryBuilder()
.Select()
.AllFields <Actor>(aliasactor).Comma()
.Field <Actor>(aliasactor, a => a.ActorName, "ACTORNAME_2").Comma()
.AllFields <Cast>(aliascast).Comma()
.Field <Cast>(aliascast, c => c.Role, "ACTORROLE_2")
.From()
.Tables
(
FlatTable <Actor> .WithAlias(aliasactor),
InnerJoin <Cast> .WithAlias(aliascast),
(a, c) => a.Id == c.ActorId
)
.OrderBy <Actor>(aliasactor, a => a.Id)
.GetItemsArrayAsync <(Actor Actor, string Actorname, Cast Cast, string Role)>()
.ConfigureAwait(false);
return(query);
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
return(null);
}
public InnerJoinIterator(Iterator iterator, InnerJoin innerJoin)
{
this._iterator = iterator;
this._innerJoin = innerJoin;
//TODO get RowCount from database.
}
protected override void SetupJoinConditions()
{
//InnerJoin
// .Left("Id")
// .Right("Id");
InnerJoin
.Left("Vigencia")
.Right("Year");
}
public void Visit(InnerJoin node)
{
var tr1 = node.LeftTableRef;
var tr2 = node.RightTableRef;
var on = node.OnCond;
VisitChild(1, _verdictColumn, _verdictGroupFunc, tr1, tr2);
VisitChild(2, _verdictColumn && IsVerdictPassthroughWhere(on), false, on);
}
public void When_building_nested_Then_builds_properly()
{
var join = new OuterJoin(new TableClause("Lol l"), new TableClause("Wat w"), "l.WatID = w.ID");
var innerJoin = new InnerJoin(join, new TableClause("Derp d"), "l.DerpID = d.ID");
innerJoin.ToSql().Should().BeEquivalentToIgnoringNewLines(@"Lol l
OUTER JOIN Wat w ON l.WatID = w.ID
INNER JOIN Derp d ON l.DerpID = d.ID");
}
/// <summary>
/// Generates the text for an InnerJoin builder.
/// </summary>
/// <param name="item">The InnerJoin builder to generate the text for.</param>
protected internal override void VisitInnerJoin(InnerJoin item)
{
StringBuilder joinBuilder = new StringBuilder();
if (options.VerboseInnerJoin)
{
joinBuilder.Append("INNER ");
}
joinBuilder.Append("JOIN");
visitFilteredJoin(item, joinBuilder.ToString());
}
public void When_building_nested_Then_builds_properly()
{
var join = new OuterJoin(new TableClause("Lol l"), new TableClause("Wat w"), "l.WatID = w.ID");
var innerJoin = new InnerJoin(join, new TableClause("Derp d"), "l.DerpID = d.ID");
Assert.That(
innerJoin.ToSql(),
SqlCompareConstraint.EqualTo(@"Lol l
OUTER JOIN Wat w ON l.WatID = w.ID
INNER JOIN Derp d ON l.DerpID = d.ID"));
}
public MathStroke()
{
m_width = default(T).Set(0.5);
m_width_abs = default(T).Set(0.5);
m_width_eps = default(T).Set(0.5).Divide(default(T).Set(1024.0));
m_width_sign = 1;
m_miter_limit = default(T).Set(4.0);
m_inner_miter_limit = default(T).Set(1.01);
m_approx_scale = default(T).Set(1.0);
LineCap = LineCap.Butt;
LineJoin = LineJoin.MiterJoin;
InnerJoin = InnerJoin.InnerMiter;
}
public StrokeMath()
{
m_width = 0.5;
m_width_abs = 0.5;
m_width_eps = 0.5 / 1024.0;
m_width_sign = 1;
m_miter_limit = 4.0;
m_inner_miter_limit = 1.01;
m_approx_scale = 1.0;
m_line_cap = LineCap.Butt;
m_line_join = LineJoin.Miter;
m_inner_join = InnerJoin.Miter;
}
public StrokeMath()
{
_width = 0.5;
_width_abs = 0.5;
_width_eps = 0.5 / 1024.0;
_width_sign = 1;
_miter_limit = 4.0;
_inner_miter_limit = 1.01;
_approx_scale = 1.0;
_line_cap = LineCap.Butt;
_line_join = LineJoin.Miter;
_inner_join = InnerJoin.Miter;
}
private void runJoin(JoinSetting setting)
{
List <Row> left = helper.DataTable2List(dictDataTable[setting.LeftDTName]);
List <Row> right = helper.DataTable2List(dictDataTable[setting.RightDTName]);
List <JoinCondition> joinConditions = new List <JoinCondition>();
foreach (string[] item in setting.JoinConditions)
{
joinConditions.Add(new JoinCondition(item[0], item[1]));
}
List <Mapping> mappings = new List <Mapping>();
foreach (string[] item in setting.Mappings)
{
mappings.Add(new Mapping(item[0], item[1], item[2], item[3]));
}
BaseJoin join;
switch (setting.Type)
{
case "leftjoin":
join = new LeftJoin();
break;
case "innerjoin":
join = new InnerJoin();
break;
default:
throw new NotImplementedException();
}
join.Left(new GenericEnumerableOperation(left))
.Right(new GenericEnumerableOperation(right));
join.JoinCondition(joinConditions);
join.Mapping(mappings);
join.PrepareForExecution(new SingleThreadedPipelineExecuter());
IEnumerable <Row> result = join.Execute(null);
List <Row> items = new List <Row>(result);
DataTable dtResult = helper.List2DataTable(items);
dictDataTable.Add(setting.OutputName, dtResult);
}
/// <summary>
/// Adds an inner join to the query.
/// </summary>
/// <param name="alias">The alias.</param>
/// <param name="onCriteria">The ON criteria.</param>
/// <returns></returns>
/// <exception cref="ArgumentNullException">
/// alias is null
/// or
/// alias.table is null
/// </exception>
public SqlQuery InnerJoin(IAlias alias, ICriteria onCriteria)
{
if (alias == null)
{
throw new ArgumentNullException("alias");
}
if (string.IsNullOrEmpty(alias.Table))
{
throw new ArgumentNullException("alias.table");
}
var join = new InnerJoin(alias.Table, alias.Name, onCriteria);
Join(join);
if (alias is IHaveJoins haveJoins)
{
AliasWithJoins[alias.Name] = haveJoins;
}
return(this);
}
internal static bool TryParseSources(ScriptParser Parser, out SourceDefinition Source)
{
if (!TryParseSource(Parser, out Source))
{
return(false);
}
while (true)
{
string s = Parser.PeekNextToken().ToUpper();
switch (s)
{
case ",":
Parser.NextToken();
if (!TryParseSource(Parser, out SourceDefinition Source2))
{
return(false);
}
Source = new CrossJoin(Source, Source2, Source.Start, Parser.Position - Source.Start, Parser.Expression);
break;
case "INNER":
case "JOIN":
Parser.NextToken();
if (s == "INNER")
{
if (Parser.NextToken().ToUpper() != "JOIN")
{
return(false);
}
}
if (!TryParseSource(Parser, out Source2))
{
return(false);
}
ScriptNode Conditions = ParseJoinConditions(Parser);
Source = new InnerJoin(Source, Source2, Conditions, Source.Start, Parser.Position - Source.Start, Parser.Expression);
break;
case "LEFT":
Parser.NextToken();
switch (Parser.NextToken().ToUpper())
{
case "JOIN":
break;
case "OUTER":
if (Parser.NextToken().ToUpper() != "JOIN")
{
return(false);
}
break;
default:
return(false);
}
if (!TryParseSource(Parser, out Source2))
{
return(false);
}
Conditions = ParseJoinConditions(Parser);
Source = new LeftOuterJoin(Source, Source2, Conditions, Source.Start, Parser.Position - Source.Start, Parser.Expression);
break;
case "RIGHT":
Parser.NextToken();
switch (Parser.NextToken().ToUpper())
{
case "JOIN":
break;
case "OUTER":
if (Parser.NextToken().ToUpper() != "JOIN")
{
return(false);
}
break;
default:
return(false);
}
if (!TryParseSource(Parser, out Source2))
{
return(false);
}
Conditions = ParseJoinConditions(Parser);
Source = new RightOuterJoin(Source, Source2, Conditions, Source.Start, Parser.Position - Source.Start, Parser.Expression);
break;
case "FULL":
Parser.NextToken();
switch (Parser.NextToken().ToUpper())
{
case "JOIN":
break;
case "OUTER":
if (Parser.NextToken().ToUpper() != "JOIN")
{
return(false);
}
break;
default:
return(false);
}
if (!TryParseSource(Parser, out Source2))
{
return(false);
}
Conditions = ParseJoinConditions(Parser);
Source = new FullOuterJoin(Source, Source2, Conditions, Source.Start, Parser.Position - Source.Start, Parser.Expression);
break;
case "OUTER":
Parser.NextToken();
if (Parser.NextToken().ToUpper() != "JOIN")
{
return(false);
}
if (!TryParseSource(Parser, out Source2))
{
return(false);
}
Conditions = ParseJoinConditions(Parser);
Source = new FullOuterJoin(Source, Source2, Conditions, Source.Start, Parser.Position - Source.Start, Parser.Expression);
break;
default:
return(true);
}
}
}
public void inner_join(InnerJoin ij)
{
base.GetGenerator().inner_join(ij);
}
/// <exception cref="System.SqlSyntaxErrorException" />
private TableReference BuildTableReference(TableReference @ref)
{
for (;;)
{
IExpression on;
IList <string> @using;
TableReference temp;
var isOut = false;
var isLeft = true;
switch (lexer.Token())
{
case MySqlToken.KwInner:
case MySqlToken.KwCross:
{
lexer.NextToken();
goto case MySqlToken.KwJoin;
}
case MySqlToken.KwJoin:
{
lexer.NextToken();
temp = TableFactor();
switch (lexer.Token())
{
case MySqlToken.KwOn:
{
lexer.NextToken();
on = exprParser.Expression();
@ref = new InnerJoin(@ref, temp, on);
break;
}
case MySqlToken.KwUsing:
{
lexer.NextToken();
Match(MySqlToken.PuncLeftParen);
@using = IdNameList();
@ref = new InnerJoin(@ref, temp, @using);
break;
}
default:
{
@ref = new InnerJoin(@ref, temp);
break;
}
}
break;
}
case MySqlToken.KwStraightJoin:
{
lexer.NextToken();
temp = TableFactor();
switch (lexer.Token())
{
case MySqlToken.KwOn:
{
lexer.NextToken();
on = exprParser.Expression();
@ref = new StraightJoin(@ref, temp, on);
break;
}
default:
{
@ref = new StraightJoin(@ref, temp);
break;
}
}
break;
}
case MySqlToken.KwRight:
{
isLeft = false;
goto case MySqlToken.KwLeft;
}
case MySqlToken.KwLeft:
{
lexer.NextToken();
if (lexer.Token() == MySqlToken.KwOuter)
{
lexer.NextToken();
}
Match(MySqlToken.KwJoin);
temp = TableReference();
switch (lexer.Token())
{
case MySqlToken.KwOn:
{
lexer.NextToken();
on = exprParser.Expression();
@ref = new OuterJoin(isLeft, @ref, temp, on);
break;
}
case MySqlToken.KwUsing:
{
lexer.NextToken();
Match(MySqlToken.PuncLeftParen);
@using = IdNameList();
@ref = new OuterJoin(isLeft, @ref, temp, @using);
break;
}
default:
{
var condition = temp.RemoveLastConditionElement();
if (condition is IExpression)
{
@ref = new OuterJoin(isLeft, @ref, temp, (IExpression)condition);
}
else
{
if (condition is IList)
{
@ref = new OuterJoin(isLeft, @ref, temp, (IList <string>)condition);
}
else
{
throw Err("conditionExpr cannot be null for outer join");
}
}
break;
}
}
break;
}
case MySqlToken.KwNatural:
{
lexer.NextToken();
switch (lexer.Token())
{
case MySqlToken.KwRight:
{
isLeft = false;
goto case MySqlToken.KwLeft;
}
case MySqlToken.KwLeft:
{
lexer.NextToken();
if (lexer.Token() == MySqlToken.KwOuter)
{
lexer.NextToken();
}
isOut = true;
goto case MySqlToken.KwJoin;
}
case MySqlToken.KwJoin:
{
lexer.NextToken();
temp = TableFactor();
@ref = new NaturalJoin(isOut, isLeft, @ref, temp);
break;
}
default:
{
throw Err("unexpected token after NATURAL for natural join:" + lexer.Token());
}
}
break;
}
default:
{
return(@ref);
}
}
}
}
private void JoinClause()
{
// Large set of defaults for joins.
// This is where we start to think about moving some
// parsing into the individual elements, esp. since
// the responsibility for executing the query is
// delegated to the executive.
do
{
Join j = null;
Join.OrientationType orientation = Join.OrientationType.Left;
if (tokenizer.Token == "LEFT")
{
orientation = Join.OrientationType.Left;
tokenizer.Match("LEFT");
}
if (tokenizer.Token == "RIGHT")
{
orientation = Join.OrientationType.Right;
tokenizer.Match("RIGHT");
}
if (tokenizer.Token == "JOIN")
{
tokenizer.Match("JOIN");
j = new InnerJoin();
}
if (tokenizer.Token == "INNER")
{
tokenizer.Match("INNER");
tokenizer.Match("JOIN");
j = new InnerJoin();
}
if (tokenizer.Token == "OUTER")
{
tokenizer.Match("OUTER");
tokenizer.Match("JOIN");
j = new OuterJoin();
}
j.Orientation = orientation;
j.TableName = tokenizer.Token;
tokenizer.GetToken();
tokenizer.Match("ON");
j.LeftField = tokenizer.Token;
tokenizer.GetToken();
tokenizer.Match("=");
j.RightField = tokenizer.Token;
tokenizer.GetToken();
((SelectQuery)this.Query).Joins.Add(j);
} while (tokenizer.Token == "JOIN" ||
tokenizer.Token == "LEFT" ||
tokenizer.Token == "RIGHT" ||
tokenizer.Token == "INNER" ||
tokenizer.Token == "OUTER");
}
public void inner_join(InnerJoin ij)
{
m_inner_join = ij;
}
public void inner_join(InnerJoin ij)
{
m_inner_join = ij;
}
public void inner_join(InnerJoin ij)
{
m_stroker.inner_join(ij);
}
private void AddJoin(InnerJoin item)
{
AddJoin(item, JoinOperator.Inner);
}
protected override void VisitInnerJoin(InnerJoin item)
{
this.AddJoin(item);
}
public virtual void Visit(InnerJoin node)
{
VisitInternal(node.LeftTableRef);
VisitInternal(node.OnCond);
VisitInternal(node.RightTableRef);
}
public IEnumerable <object> ToList <TReturn>(Expression <Func <TEntity, TReturn> > expression)
{
var code = expression.GetHashCode();
if (SelectHandler == null)
{
SelectHandler = SqlHandler.Select <TEntity>();
}
var type = typeof(TReturn);
if (!JoinExpressionMapping.Contains(code))
{
var nclass = NClass.DefaultDomain().Public();
StringBuilder script = new StringBuilder();
// 获取构造函数参数
var arguments = ((NewExpression)expression.Body).Arguments;
//获取匿名类成员
var members = ((NewExpression)expression.Body).Members;
var joinTypeFlagMapping = new Dictionary <Type, JoinTypeFlag>();
for (int i = 0; i < arguments.Count; i++)
{
// 方法类型参数
if (arguments[i].NodeType == ExpressionType.Call)
{
var methodExpression = (MethodCallExpression)arguments[i];
var methodDeclaringType = methodExpression.Method.DeclaringType;
if (methodDeclaringType.IsGenericType && methodDeclaringType.GetGenericTypeDefinition().Name.Contains("Join"))
{
var joinType = methodDeclaringType.GetGenericArguments()[0];
if (methodExpression.Arguments[0].NodeType == ExpressionType.Quote)
{
var quoteExpression = (UnaryExpression)methodExpression.Arguments[0];
if (quoteExpression.Operand.NodeType == ExpressionType.Lambda)
{
var lambdaExpression = (LambdaExpression)quoteExpression.Operand;
if (lambdaExpression.Body.NodeType == ExpressionType.MemberAccess)
{
var memberExpression = (MemberExpression)lambdaExpression.Body;
nclass.Property(item => item
.Public()
.Type(((PropertyInfo)memberExpression.Member).PropertyType)
.Name(memberExpression.Member.Name));
var definitionType = methodDeclaringType.GetGenericTypeDefinition();
if (definitionType == typeof(InnerJoin <>))
{
joinTypeFlagMapping[joinType] = JoinTypeFlag.Inner;
script.Append(InnerJoin.GetJoinScript(joinType));
}
else if (definitionType == typeof(LeftJoin <>))
{
joinTypeFlagMapping[joinType] = JoinTypeFlag.Left;
script.Append(LeftJoin.GetJoinScript(joinType));
}
else if (definitionType == typeof(RightJoin <>))
{
joinTypeFlagMapping[joinType] = JoinTypeFlag.Right;
script.Append(RightJoin.GetJoinScript(joinType));
}
script.Append($".\"{memberExpression.Member.Name}\" AS \"{members[i].Name}\",");
}
}
}
}
}
else if (arguments[i].NodeType == ExpressionType.MemberAccess)
{
var memberExpression = (MemberExpression)arguments[i];
nclass.Property(item => item
.Public()
.Type(((PropertyInfo)memberExpression.Member).PropertyType)
.Name(memberExpression.Member.Name));
script.Append($"a.\"{memberExpression.Member.Name}\",");
}
//JoinObjectCache<ISelect<T>, TReturn>.GetObjects = NDelegate.RandomDomain().Func<ISelect<T>, object>(builder.ToString());
}
if (script.Length > 1)
{
script.Length -= 1;
var joinScript = script.ToString();
JoinExpressionMapping = JoinExpressionMapping.Add(code);
var tempClass = nclass.GetType();
ProxyCaller <TEntity, TReturn> .Add(code, NDelegate
.DefaultDomain(item => item.LogSyntaxError())
.Func <ISelect <TEntity>, IEnumerable <object> >($"return arg.ToList<{tempClass.GetDevelopName()}>(\"{joinScript.Replace("\"","\\\"")}\");"));
var builder = new StringBuilder();
foreach (var item in joinTypeFlagMapping)
{
var joinFieldCache = OrmNavigate <TEntity> .JoinScriptMapping[item.Key];
string joinAlias = string.Empty;
switch (item.Value)
{
case JoinTypeFlag.Left:
joinAlias = LeftJoin.GetJoinScript(item.Key);
builder.Append($"obj.LeftJoin(\"");
break;
case JoinTypeFlag.Inner:
joinAlias = InnerJoin.GetJoinScript(item.Key);
builder.Append($"obj.InnerJoin(\"");
break;
case JoinTypeFlag.Right:
joinAlias = RightJoin.GetJoinScript(item.Key);
builder.Append($"obj.RightJoin(\"");
break;
default:
break;
}
var joinFieldScript = $"\"{item.Key.Name}\" AS {joinAlias} ON a.\"{joinFieldCache.src}\" = {joinAlias}.\"{joinFieldCache.dst}\"";
builder.Append(joinFieldScript.Replace("\"", "\\\""));
builder.AppendLine("\");");
}
//$"\"{typeof(TJoinEntity).Name}\" AS {InnerJoinHelper<TJoinEntity>.JoinAliasName} ON a.\"{srcFieldName}\" = {InnerJoinHelper<TJoinEntity>.JoinAliasName}.\"{destFieldName}\"")
JoinFiller <TEntity, TReturn> .Add(code, NDelegate
.DefaultDomain()
.Action <ISelect <TEntity> >(builder.ToString()));
}
}
JoinFiller <TEntity, TReturn> .HandlerSelect(code, SelectHandler);
return(ProxyCaller <TEntity, TReturn> .ToList(code, SelectHandler));
}
protected override void SetupJoinConditions()
{
InnerJoin
.Left("Id")
.Right("Id");
}
public void inner_join(InnerJoin ij)
{
base.GetGenerator().inner_join(ij);
}
public void inner_join(InnerJoin ij)
{
m_stroker.inner_join(ij);
}
private void JoinClause()
{
// Large set of defaults for joins.
// This is where we start to think about moving some
// parsing into the individual elements, esp. since
// the responsibility for executing the query is
// delegated to the executive.
do
{
Join j = null;
Join.OrientationType orientation = Join.OrientationType.Left;
if (tokenizer.Token == "LEFT")
{
orientation = Join.OrientationType.Left;
tokenizer.Match("LEFT");
}
if (tokenizer.Token == "RIGHT")
{
orientation = Join.OrientationType.Right;
tokenizer.Match("RIGHT");
}
if (tokenizer.Token == "JOIN")
{
tokenizer.Match("JOIN");
j = new InnerJoin();
}
if (tokenizer.Token == "INNER")
{
tokenizer.Match("INNER");
tokenizer.Match("JOIN");
j = new InnerJoin();
}
if (tokenizer.Token == "OUTER")
{
tokenizer.Match("OUTER");
tokenizer.Match("JOIN");
j = new OuterJoin();
}
j.Orientation = orientation;
j.TableName = tokenizer.Token;
tokenizer.GetToken();
tokenizer.Match("ON");
j.LeftField = tokenizer.Token;
tokenizer.GetToken();
tokenizer.Match("=");
j.RightField = tokenizer.Token;
tokenizer.GetToken();
((SelectQuery)this.Query).Joins.Add(j);
} while (tokenizer.Token == "JOIN" ||
tokenizer.Token == "LEFT" ||
tokenizer.Token == "RIGHT" ||
tokenizer.Token == "INNER" ||
tokenizer.Token == "OUTER");
}
