internal SelectClause(ISelectQuery selectQuery, ISelectClause clone,
Dictionary <ICloneableElement, ICloneableElement> objectTree, Predicate <ICloneableElement> doClone)
: base(selectQuery)
{
Columns.AddRange(clone.Columns.Select(c => (IColumn)c.Clone(objectTree, doClone)));
IsDistinct = clone.IsDistinct;
TakeValue = (IQueryExpression)clone.TakeValue?.Clone(objectTree, doClone);
SkipValue = (IQueryExpression)clone.SkipValue?.Clone(objectTree, doClone);
}
public UserSuppliedQueryHandler(IMartenSession session, string sql, object[] parameters)
{
_sql = sql;
_parameters = parameters;
_sqlContainsCustomSelect = _sql.Contains("select", StringComparison.OrdinalIgnoreCase);
_selectClause = GetSelectClause(session);
_selector = (ISelector <T>)_selectClause.BuildSelector(session);
}
public JsonSelectClause(ISelectClause parent)
{
_sourceType = parent.SelectedType;
FromObject = parent.FromObject;
if (parent is IScalarSelectClause c)
{
SelectionText = $"select {c.FieldName} from ";
}
}
/// <summary>
/// 克隆
/// </summary>
/// <param name="sqlBuilder">源生成器</param>
protected void Clone(SqlBuilderBase sqlBuilder)
{
EntityMatedata = sqlBuilder.EntityMatedata;
_parameterManager = sqlBuilder._parameterManager?.Clone();
EntityResolver = sqlBuilder.EntityResolver ?? new EntityResolver(EntityMatedata);
AliasRegister = sqlBuilder.AliasRegister?.Clone() ?? new EntityAliasRegister();
_selectClause = sqlBuilder._selectClause?.Clone(this, AliasRegister);
_fromClause = sqlBuilder._fromClause?.Clone(AliasRegister);
_joinClause = sqlBuilder._joinClause?.Clone(this, AliasRegister);
_whereClause = sqlBuilder._whereClause?.Clone(AliasRegister, _parameterManager);
_groupByClause = sqlBuilder._groupByClause?.Clone(AliasRegister);
_orderByClause = sqlBuilder._orderByClause?.Clone(AliasRegister);
_pager = sqlBuilder._pager;
}
/// <summary>
/// 复制Sql生成器
/// </summary>
/// <param name="sqlBuilder">源生成器</param>
protected void Clone(SqlBuilderBase sqlBuilder)
{
EntityMatedata = sqlBuilder.EntityMatedata;
_parameterManager = sqlBuilder._parameterManager?.Clone();
EntityResolver = sqlBuilder.EntityResolver ?? new EntityResolver(EntityMatedata);
AliasRegister = sqlBuilder.AliasRegister?.Clone() ?? new EntityAliasRegister();
_selectClause = sqlBuilder._selectClause?.Clone(this, AliasRegister);
_fromClause = sqlBuilder._fromClause?.Clone(this, AliasRegister);
_joinClause = sqlBuilder._joinClause?.Clone(this, AliasRegister, _parameterManager);
_whereClause = sqlBuilder._whereClause?.Clone(this, AliasRegister, _parameterManager);
_groupByClause = sqlBuilder._groupByClause?.Clone(AliasRegister);
_orderByClause = sqlBuilder._orderByClause?.Clone(AliasRegister);
Pager = sqlBuilder.Pager;
OffsetParam = sqlBuilder.OffsetParam;
LimitParam = sqlBuilder.LimitParam;
UnionItems = sqlBuilder.UnionItems.Select(t => new BuilderItem(t.Name, t.Builder.Clone())).ToList();
CteItems = sqlBuilder.CteItems.Select(t => new BuilderItem(t.Name, t.Builder.Clone())).ToList();
}
public void Init(
IInsertClause insert,
IUpdateClause update,
IDeleteClause delete,
ISelectClause select,
IFromClause from,
IWhereClause where,
IGroupByClause groupBy,
IWhereClause having,
IOrderByClause orderBy,
LinkedList <IUnion> unions,
ISelectQuery parentSelect,
ICreateTableStatement createTable,
bool parameterDependent,
List <ISqlParameter> parameters)
{
Insert = insert;
Update = update;
Delete = delete;
Select = select;
From = from;
Where = where;
GroupBy = groupBy;
Having = having;
OrderBy = orderBy;
Unions = unions;
ParentSelect = parentSelect;
CreateTable = createTable;
IsParameterDependent = parameterDependent;
Parameters.AddRange(parameters);
foreach (var col in select.Columns)
{
col.Parent = this;
}
Select.SetSqlQuery(this);
From.SetSqlQuery(this);
Where.SetSqlQuery(this);
GroupBy.SetSqlQuery(this);
Having.SetSqlQuery(this);
OrderBy.SetSqlQuery(this);
}
protected SelectorStatement(ISelectClause selectClause, IFieldMapping fields) : base(fields)
{
SelectClause = selectClause;
FromObject = SelectClause.FromObject;
}
/// <summary>
/// 清空Select子句
/// </summary>
public ISqlBuilder ClearSelect()
{
_selectClause = CreateSelectClause();
return(this);
}
/// <summary>
/// 清空Select子句
/// </summary>
public void ClearSelect()
{
_selectClause = CreateSelectClause();
}
public TransformSelectClause(TransformFunction function, ISelectClause inner) : base(inner.FromObject, $"{function.Identifier}(d.data)")
{
}
private JsonStatement(ISelectClause selectClause, IFieldMapping fields) : base(selectClause, fields)
{
}
public StatsSelectClause(ISelectClause inner, QueryStatistics statistics)
{
Inner = inner;
_statistics = statistics;
}
protected Statement(ISelectClause selectClause, IFieldMapping fields)
{
SelectClause = selectClause;
Fields = fields;
}
