public bool VisitExprTempTableName(ExprTempTableName expr, TCtx arg)
{
var res = this.Visit(expr, "TempTableName", arg, out var argOut);
this.VisitPlainProperty("Name", expr.Name, argOut);
this._visitor.EndVisitExpr(expr, arg);
return(res);
}
public override bool VisitExprTempTableName(ExprTempTableName tempTableName, IExpr?parent)
{
char?prefix = null;
if (tempTableName.Name.Length > 0 && tempTableName.Name[0] != '#')
{
prefix = '#';
}
this.AppendName(tempTableName.Name, prefix);
return(true);
}
public override void VisitDropTable(StatementDropTable statementDropTable)
{
if (!statementDropTable.IfExists)
{
this.Builder.Append("DROP TABLE ");
statementDropTable.Table.Accept(this.ExprBuilder, null);
}
else
{
StatementIfExists ifExists = statementDropTable.Table switch
{
ExprTableFullName t => new StatementIfTableExists(
t,
StatementList.Combine(new StatementDropTable(statementDropTable.Table, false)), null),
ExprTempTableName tempTable => new StatementIfTempTableExists(
tempTable,
StatementList.Combine(new StatementDropTable(statementDropTable.Table, false)), null),
_ => throw new ArgumentOutOfRangeException()
};
ifExists.Accept(this);
}
}
public static ExprTempTableName WithName(this ExprTempTableName original, String newName) => new ExprTempTableName(name: newName);
public abstract bool VisitExprTempTableName(ExprTempTableName tempTableName, IExpr?parent);
public StatementIfTempTableExists(ExprTempTableName table, StatementList statements, StatementList?elseStatements)
: base(statements, elseStatements)
{
this.Table = table;
}
