/// <summary>
/// 实例化 <see cref="Builder" /> 的新实例
/// </summary>
public OracleDbCommandDefinition_Delete(IDbQueryProvider provider, TableAliasCache aliases, List <IDbDataParameter> parameters)
: base(provider, aliases, parameters)
{
_provider = provider;
_aliases = aliases;
_onPhrase = _provider.CreateSqlBuilder(parameters);
}
/// <summary>
/// 初始化 <see cref="AggregateExpressionVisitor"/> 类的新实例
/// </summary>
public AggregateExpressionVisitor(IDbQueryProvider provider, TableAliasCache aliases, DbExpression aggregate, DbExpression groupBy = null, string alias = null)
: base(provider, aliases, aggregate.Expressions != null ? aggregate.Expressions[0] : null, false)
{
_provider = provider;
_aliases = aliases;
_aggregate = aggregate;
_groupBy = groupBy;
_alias = alias;
}
/// <summary>
/// 初始化 <see cref="ColumnExpressionVisitor"/> 类的新实例
/// </summary>
public ColumnExpressionVisitor(IDbQueryProvider provider, TableAliasCache aliases, IDbQueryableInfo_Select qQuery)
: base(provider, aliases, qQuery.Select.Expressions != null ? qQuery.Select.Expressions[0] : null)
{
_provider = provider;
_aliases = aliases;
_qQuery = qQuery;
_groupBy = qQuery.GroupBy;
_include = qQuery.Includes;
if (_pickColumns == null)
{
_pickColumns = new ColumnCollection();
}
_navigations = new NavigationCollection();
_navChainHopper = new List <string>(10);
}
/// <summary>
/// 实例化 <see cref="Builder" /> 的新实例
/// </summary>
/// <param name="token">参数列表，NULL 或者 Parameters=NULL 时表示不使用参数化</param>
public NpgSelectInfoCommand(IDbQueryProvider provider, TableAliasCache aliases, NpgCommandType operationType, ParserToken token)
: base(provider, aliases, token)
{
_provider = provider;
_aliases = aliases;
_onPhrase = _provider.CreateSqlBuilder(token);
_operationType = operationType;
if (_operationType == NpgCommandType.DELETE)
{
_keywordName = "USING";
}
else if (_operationType == NpgCommandType.UPDATE)
{
_keywordName = "FROM";
}
}
/// <summary>
/// 实例化 <see cref="Builder" /> 的新实例
/// </summary>
public NpgDbCommandDefinition_Delete(IDbQueryProvider provider, TableAliasCache aliases, NpgCommandType operationType, List <IDbDataParameter> parameters)
: base(provider, aliases, parameters)
{
_provider = provider;
_aliases = aliases;
_onPhrase = _provider.CreateSqlBuilder(parameters);
_operationType = operationType;
if (_operationType == NpgCommandType.DELETE)
{
_keywordName = "USING";
}
else if (_operationType == NpgCommandType.UPDATE)
{
_keywordName = "FROM";
}
}
