/// <summary>
/// Returns a representation of a UPDATE cql statement
/// </summary>
public static CqlUpdate Update <TSource>(this CqlQuery <TSource> source)
{
var ret = new CqlUpdate(source.Expression, source.Table, source.StatementFactory, source.PocoData);
source.CopyQueryPropertiesTo(ret);
return(ret);
}
public static CqlUpdate Update <TSource>(this CqlQuery <TSource> source)
{
var ret = new CqlUpdate(source.Expression, source.Provider);
source.CopyQueryPropertiesTo(ret);
return(ret);
}
/// <summary>
/// Returns a representation of a UPDATE ... IF EXISTS cql statement, for Lightweight Transactions support.
/// </summary>
public static CqlConditionalCommand <TSource> UpdateIfExists <TSource>(this CqlQuery <TSource> source)
{
var update = new CqlUpdate(Expression.Call(null, CqlMthHelps.UpdateIfExistsMi, source.Expression),
source.Table, source.StatementFactory, source.PocoData, source.MapperFactory);
source.CopyQueryPropertiesTo(update);
return(new CqlConditionalCommand <TSource>(update, source.MapperFactory));
}
/// <summary>
/// Returns a representation of a UPDATE ... IF ... cql statement, for Lightweight Transactions support
/// </summary>
public static CqlConditionalCommand <TSource> UpdateIf <TSource>(this CqlQuery <TSource> source, Expression <Func <TSource, bool> > predicate)
{
var update = new CqlUpdate(Expression.Call(
null, CqlMthHelps.UpdateIfMi,
new[] { source.Expression, predicate }), source.Table, source.StatementFactory, source.PocoData);
source.CopyQueryPropertiesTo(update);
return(new CqlConditionalCommand <TSource>(update, source.MapperFactory));
}
public static CqlUpdate UpdateIf <TSource>(this CqlQuery <TSource> source, Expression <Func <TSource, bool> > predicate)
{
var ret = new CqlUpdate(Expression.Call(
null, CqlMthHelps.UpdateIfMi,
new[] { source.Expression, predicate }), source.Provider);
source.CopyQueryPropertiesTo(ret);
return(ret);
}
