internal static SqlPart Concat(
this SqlPart lhs,
SqlPart rhs
)
{
return(new ConcreteSqlPart(lhs.Tokens.Concat(rhs.Tokens)));
}
public static SqlCondition IsNull <X>(
this ScalarSqlExpression <X> lhs
)
{
return
(new AtomicSqlCondition(
lhs.SqlBuilder,
lhs.Concat(SqlPart.FromString("is null")).Tokens
));
}
public static SqlCondition Equal <X>(
this ScalarSqlExpression <X> lhs,
ScalarSqlExpression <X> rhs
)
{
return
(new AtomicSqlCondition(
lhs.SqlBuilder,
lhs.Concat(SqlPart.FromString("=")).Concat(rhs).Tokens
));
}
internal ConditionCombinator(
SqlCondition neutral,
SqlCondition absorbing,
string combinator,
bool isAnd
)
{
Neutral = neutral;
Absorbing = absorbing;
Combinator = SqlPart.FromString(combinator);
IsAnd = isAnd;
IsOr = !isAnd;
}
public void AddFieldAll(IAliasedSqlExpression relation)
{
var wildmark = SqlBuilder.Language.BuildWildmark(relation.Alias);
Fields.Add(SqlPart.FromString(wildmark));
}
public void AddFieldAll()
{
var wildmark = SqlPart.FromString(SqlBuilder.Language.GetWildmark());
Fields.Add(wildmark);
}
internal static string ToEmbeddedString(this SqlPart part)
{
return(part.Tokens.ToEmbeddedString());
}
