/// <exception cref="System.SqlSyntaxErrorException" />
public DmlSelectStatement(SelectOption option,
IList<Pair<IExpression, string>> selectExprList,
TableReferences tables,
IExpression where,
GroupBy group,
IExpression having,
OrderBy order,
Limit limit)
{
if (option == null)
{
throw new ArgumentException("argument 'option' is null");
}
Option = option;
if (selectExprList == null || selectExprList.IsEmpty())
{
this.selectExprList = new List<Pair<IExpression, string>>(0);
}
else
{
this.selectExprList = EnsureListType(selectExprList);
}
Tables = tables;
Where = where;
Group = group;
Having = having;
Order = order;
Limit = limit;
}
public DmlUpdateStatement(bool lowPriority,
bool ignore,
TableReferences tableRefs,
IList<Pair<Identifier, IExpression>> values,
IExpression where, OrderBy orderBy,
Limit limit)
{
IsLowPriority = lowPriority;
IsIgnore = ignore;
if (tableRefs == null)
{
throw new ArgumentException("argument tableRefs is null for update stmt");
}
TableRefs = tableRefs;
if (values == null || values.Count <= 0)
{
Values = new List<Pair<Identifier, IExpression>>(0);
}
else
{
if (!(values is List<Pair<Identifier, IExpression>>))
{
Values = new List<Pair<Identifier, IExpression>>(values);
}
else
{
Values = values;
}
}
Where = where;
OrderBy = orderBy;
Limit = limit;
}
/// <exception cref="System.SqlSyntaxErrorException" />
public DmlDeleteStatement(bool lowPriority,
bool quick,
bool ignore,
IList<Identifier> tableNameList,
TableReferences tableRefs)
: this(lowPriority, quick, ignore, tableNameList, tableRefs, null)
{
}
/// <exception cref="System.SqlSyntaxErrorException" />
public override DmlSelectStatement Select()
{
Match(MySqlToken.KwSelect);
var option = SelectOption();
var exprList = SelectExprList();
TableReferences tables = null;
IExpression where = null;
GroupBy group = null;
IExpression having = null;
OrderBy order = null;
Limit limit = null;
var dual = false;
if (lexer.Token() == MySqlToken.KwFrom)
{
if (lexer.NextToken() == MySqlToken.KwDual)
{
lexer.NextToken();
dual = true;
IList<TableReference> trs = new List<TableReference>(1);
trs.Add(new Dual());
tables = new TableReferences(trs);
}
else
{
tables = TableRefs();
}
}
if (lexer.Token() == MySqlToken.KwWhere)
{
lexer.NextToken();
where = exprParser.Expression();
}
if (!dual)
{
group = GroupBy();
if (lexer.Token() == MySqlToken.KwHaving)
{
lexer.NextToken();
having = exprParser.Expression();
}
order = OrderBy();
}
limit = Limit();
if (!dual)
{
switch (lexer.Token())
{
case MySqlToken.KwFor:
{
lexer.NextToken();
Match(MySqlToken.KwUpdate);
option.lockMode = LockMode.ForUpdate;
break;
}
case MySqlToken.KwLock:
{
lexer.NextToken();
Match(MySqlToken.KwIn);
MatchIdentifier("SHARE");
MatchIdentifier("MODE");
option.lockMode = LockMode.LockInShareMode;
break;
}
}
}
return new DmlSelectStatement(option, exprList, tables, where, group, having, order, limit);
}
/// <exception cref="System.SqlSyntaxErrorException" />
public DmlDeleteStatement(bool lowPriority,
bool quick,
bool ignore,
IList<Identifier> tableNameList,
TableReferences tableRefs, IExpression whereCondition)
{
// ------- multi-row delete------------
IsLowPriority = lowPriority;
IsQuick = quick;
IsIgnore = ignore;
if (tableNameList == null || tableNameList.IsEmpty())
{
throw new ArgumentException("argument 'tableNameList' is empty");
}
if (tableNameList is List<Identifier>)
{
tableNames = tableNameList;
}
else
{
tableNames = new List<Identifier>(tableNameList);
}
if (tableRefs == null)
{
throw new ArgumentException("argument 'tableRefs' is null");
}
TableRefs = tableRefs;
WhereCondition = whereCondition;
OrderBy = null;
Limit = null;
}
public virtual void Visit(TableReferences node)
{
VisitInternal(node.TableReferenceList);
}
