protected override void AppendTempKeyword(IExprTableFullName tableName)
{
if (tableName is ExprTempTableName)
{
this.Builder.Append("TEMP ");
}
}
private string BuildFkName(IExprTableFullName tableIn, IExprTableFullName foreignTableIn)
{
StringBuilder nameBuilder = new StringBuilder();
ExprTableFullName table = tableIn.AsExprTableFullName();
ExprTableFullName foreignTable = foreignTableIn.AsExprTableFullName();
var schemaName = table.DbSchema != null?this.Options.MapSchema(table.DbSchema.Schema.Name) + "_" : null;
nameBuilder.Append("FK_");
if (schemaName != null)
{
nameBuilder.Append(schemaName);
nameBuilder.Append('_');
}
nameBuilder.Append(table.TableName.Name);
nameBuilder.Append("_to_");
if (schemaName != null)
{
nameBuilder.Append(schemaName);
nameBuilder.Append('_');
}
nameBuilder.Append(foreignTable.TableName.Name);
return(nameBuilder.ToString());
}
private string BuildPkName(IExprTableFullName tableIn)
{
var table = tableIn.AsExprTableFullName();
var schemaName = table.DbSchema != null?this.Options.MapSchema(table.DbSchema.Schema.Name) + "_" : null;
return($"PK_{schemaName}{table.TableName.Name}");
}
protected string BuildIndexName(IExprTableFullName tableIn, IndexMeta index)
{
if (index.Name != null && !string.IsNullOrEmpty(index.Name))
{
return(index.Name);
}
var table = tableIn.AsExprTableFullName();
var schemaName = table.DbSchema != null?this.Options.MapSchema(table.DbSchema.Schema.Name) + "_" : null;
var columns = string.Join("_", index.Columns.Select(c => c.Column.ColumnName.Name + (c.Descending ? "_DESC" : null)));
return($"IX_{schemaName}{table.TableName.Name}_{columns}");
}
public static ExprTable WithFullName(this ExprTable original, IExprTableFullName newFullName) => new ExprTable(fullName: newFullName, alias: original.Alias);
public static ExprInsert WithTarget(this ExprInsert original, IExprTableFullName newTarget) => new ExprInsert(target: newTarget, targetColumns: original.TargetColumns, source: original.Source);
protected override void AppendTempKeyword(IExprTableFullName tableName)
{
}
protected internal TableBase(IExprTableFullName fullName, ExprTableAlias?alias) : base(fullName, alias)
{
}
public ExprInsert(IExprTableFullName target, IReadOnlyList <ExprColumnName>?targetColumns, IExprInsertSource source)
{
this.Target = target;
this.TargetColumns = targetColumns;
this.Source = source;
}
public ExprTable(IExprTableFullName fullName, ExprTableAlias?alias)
{
this.Alias = alias;
this.FullName = fullName;
}
protected abstract void AppendTempKeyword(IExprTableFullName tableName);
public StatementDropTable(IExprTableFullName table, bool ifExists)
{
this.Table = table;
this.IfExists = ifExists;
}
