public CustomQueryProvider(ConnectionStringSettings connectionString,
ISqlExpressionVisitor sqlGenerator,
IModelBuilder modelBuilder,
ILogger logger)
: base(connectionString, sqlGenerator, modelBuilder, logger)
{
}
public CustomQueryProvider(DbConnection connection,
ISqlExpressionVisitor sqlGenerator,
IModelBuilder modelBuilder,
ILogger logger)
: base(connection, sqlGenerator, modelBuilder, logger)
{
}
/// <inheritdoc />
public void Delete(Expression <Func <T, bool> > condition)
{
Check.NotNull(condition, nameof(condition));
ISqlExpressionVisitor generator = _provider.GetExpressionVisitor();
WhereExpression where = generator.GenerateWhereCondition(condition.Body);
_deleteExpressions.Add(where);
}
void IQueryBaseInternal.ApplyQueryFilter(IDatabaseMapper databaseMapper, ISqlExpressionVisitor expressionVisitor)
{
SelectExpression select = SelectExpression;
IQueryBaseInternal query = select?.OriginalQuery;
if (query != null && !query.IgnoreQueryFilters)
{
TableInfo tableInfo = databaseMapper.GetTableInfo(select.EntityType);
if (tableInfo.QueryFilter != null)
{
WhereExpression queryFilter =
expressionVisitor.GenerateWhereCondition(tableInfo.QueryFilter, DefaultQueryFilterParameterNamePrefix);
select.SetWhereExpression(queryFilter);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryProvider" /> class.
/// </summary>
/// <param name="externalConnection">The connection.</param>
/// <param name="sqlGenerator">The SQL generator.</param>
/// <param name="modelBuilder">The model builder.</param>
/// <param name="logger">The logger.</param>
public QueryProvider(
DbConnection externalConnection,
ISqlExpressionVisitor sqlGenerator,
IModelBuilder modelBuilder,
ILogger logger)
{
Check.NotNull(externalConnection, nameof(externalConnection));
Check.NotNull(sqlGenerator, nameof(sqlGenerator));
Check.NotNull(modelBuilder, nameof(modelBuilder));
Check.NotNull(logger, nameof(logger));
_logger = logger;
_connection = externalConnection;
IsExternalConnection = true;
_sqlGenerator = sqlGenerator;
_modelBuilder = modelBuilder;
_transactionHelper = new Lazy <TransactionHelper>(() => new TransactionHelper(Connection));
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryProvider" /> class.
/// </summary>
/// <param name="connectionSettings">The connection string settings.</param>
/// <param name="sqlGenerator">The SQL generator.</param>
/// <param name="modelBuilder">The model builder.</param>
/// <param name="logger">The logger.</param>
public QueryProvider(
ConnectionStringSettings connectionSettings,
ISqlExpressionVisitor sqlGenerator,
IModelBuilder modelBuilder,
ILogger logger)
{
Check.NotNull(connectionSettings, nameof(connectionSettings));
Check.NotNull(sqlGenerator, nameof(sqlGenerator));
Check.NotNull(modelBuilder, nameof(modelBuilder));
Check.NotNull(logger, nameof(logger));
_logger = logger;
_connectionSettings = connectionSettings;
IsExternalConnection = false;
_sqlGenerator = sqlGenerator;
_modelBuilder = modelBuilder;
_transactionHelper = new Lazy <TransactionHelper>(() => new TransactionHelper(Connection));
}
public TOutput AcceptVisitor <TContext, TOutput>(ISqlExpressionVisitor <TContext, TOutput> visitor, TContext context)
{
EnsureArg.IsNotNull(visitor, nameof(visitor));
return(visitor.VisitSqlRoot(this, context));
}
public TOutput AcceptVisitor <TContext, TOutput>(ISqlExpressionVisitor <TContext, TOutput> visitor, TContext context)
{
return(visitor.VisitTable(this, context));
}
public override void Accept(ISqlExpressionVisitor visitor) => visitor.Visit(this);
public abstract void Accept(ISqlExpressionVisitor visitor);
