static void BuildJoin(
ExpressionBuilder builder,
SelectQuery.FromClause.Join join,
IBuildContext outerKeyContext, Expression outerKeySelector,
IBuildContext innerKeyContext, Expression innerKeySelector)
{
var predicate = builder.ConvertObjectComparison(
ExpressionType.Equal,
outerKeyContext, outerKeySelector,
innerKeyContext, innerKeySelector);
if (predicate == null)
{
predicate = new SelectQuery.Predicate.ExprExpr(
builder.ConvertToSql(outerKeyContext, outerKeySelector),
SelectQuery.Predicate.Operator.Equal,
builder.ConvertToSql(innerKeyContext, innerKeySelector));
predicate = builder.Convert(outerKeyContext, predicate);
}
join.JoinedTable.Condition.Conditions.Add(new SelectQuery.Condition(false, predicate));
}
static void BuildSubQueryJoin(
ExpressionBuilder builder,
IBuildContext outerKeyContext, Expression outerKeySelector,
Expression innerKeySelector,
IBuildContext subQueryKeyContext, SelectQuery subQuerySelect)
{
var predicate = builder.ConvertObjectComparison(
ExpressionType.Equal,
outerKeyContext, outerKeySelector,
subQueryKeyContext, innerKeySelector);
if (predicate == null)
{
predicate = new SelectQuery.Predicate.ExprExpr(
builder.ConvertToSql(outerKeyContext, outerKeySelector),
SelectQuery.Predicate.Operator.Equal,
builder.ConvertToSql(subQueryKeyContext, innerKeySelector));
predicate = builder.Convert(outerKeyContext, predicate);
}
subQuerySelect.Where.SearchCondition.Conditions.Add(new SelectQuery.Condition(false, predicate));
}
internal static void BuildJoin(
ExpressionBuilder builder,
SqlSearchCondition condition,
IBuildContext outerKeyContext, Expression outerKeySelector,
IBuildContext innerKeyContext, Expression innerKeySelector)
{
var predicate = builder.ConvertObjectComparison(
ExpressionType.Equal,
outerKeyContext, outerKeySelector,
innerKeyContext, innerKeySelector);
if (predicate == null)
{
predicate = new SqlPredicate.ExprExpr(
builder.ConvertToSql(outerKeyContext, outerKeySelector),
SqlPredicate.Operator.Equal,
builder.ConvertToSql(innerKeyContext, innerKeySelector));
predicate = builder.Convert(outerKeyContext, predicate);
}
condition.Conditions.Add(new SqlCondition(false, predicate));
}
