protected override Expression VisitLike(LikeExpression likeExpression)
{
var parentSearchCondition = _isSearchCondition;
_isSearchCondition = false;
var match = (SqlExpression)Visit(likeExpression.Match);
var pattern = (SqlExpression)Visit(likeExpression.Pattern);
var escapeChar = (SqlExpression)Visit(likeExpression.EscapeChar);
_isSearchCondition = parentSearchCondition;
return(ApplyConversion(likeExpression.Update(match, pattern, escapeChar), condition: true));
}
private LikeExpression VisitLikeExpression(LikeExpression likeExpression)
{
var newMatch = (SqlExpression)Visit(likeExpression.Match);
var isNullable = _isNullable;
var newPattern = (SqlExpression)Visit(likeExpression.Pattern);
isNullable |= _isNullable;
var newEscapeChar = (SqlExpression)Visit(likeExpression.EscapeChar);
_isNullable |= isNullable;
return(likeExpression.Update(newMatch, newPattern, newEscapeChar));
}
protected override Expression VisitLike(LikeExpression likeExpression)
{
Check.NotNull(likeExpression, nameof(likeExpression));
var parentOptimize = _optimize;
_optimize = false;
var match = (SqlExpression)Visit(likeExpression.Match);
var pattern = (SqlExpression)Visit(likeExpression.Pattern);
var escapeChar = (SqlExpression)Visit(likeExpression.EscapeChar);
_optimize = parentOptimize;
return(ApplyConversion(likeExpression.Update(match, pattern, escapeChar), condition: true));
}
protected override Expression VisitLike(LikeExpression likeExpression)
{
var canOptimize = _canOptimize;
_canOptimize = false;
_isNullable = false;
var newMatch = (SqlExpression)Visit(likeExpression.Match);
var isNullable = _isNullable;
_isNullable = false;
var newPattern = (SqlExpression)Visit(likeExpression.Pattern);
isNullable |= _isNullable;
_isNullable = false;
var newEscapeChar = (SqlExpression)Visit(likeExpression.EscapeChar);
_isNullable |= isNullable;
_canOptimize = canOptimize;
return(likeExpression.Update(newMatch, newPattern, newEscapeChar));
}
protected override Expression VisitLike(LikeExpression x)
{
return(x?.Update(x.Match.VisitNode(this), x.Pattern.VisitNode(this), x.EscapeChar.VisitNode(this)));
}