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Convert With clause from antlr to high level ast

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Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D230
This commit is contained in:
Mislav Bradac
2017-04-05 15:26:27 +02:00
parent 4c73a0a71c
commit a0049c9691
4 changed files with 63 additions and 7 deletions
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31
tests/unit/cypher_main_visitor.cpp
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@@ -700,4 +700,35 @@ TEST(Visitor, Remove) {
ast_generator.db_accessor_->label("i")));
}
}
TEST(Visitor, With) {
AstGenerator ast_generator("WITH n AS m");
auto *query = ast_generator.query_;
ASSERT_EQ(query->clauses_.size(), 1U);
auto *with = dynamic_cast<With *>(query->clauses_[0]);
ASSERT_TRUE(with);
ASSERT_FALSE(with->where_);
ASSERT_EQ(with->named_expressions_.size(), 1U);
auto *named_expr = with->named_expressions_[0];
ASSERT_EQ(named_expr->name_, "m");
auto *identifier = dynamic_cast<Identifier *>(named_expr->expression_);
ASSERT_EQ(identifier->name_, "n");
}
TEST(Visitor, WithWhere) {
AstGenerator ast_generator("WITH n AS m WHERE k");
auto *query = ast_generator.query_;
ASSERT_EQ(query->clauses_.size(), 1U);
auto *with = dynamic_cast<With *>(query->clauses_[0]);
ASSERT_TRUE(with);
ASSERT_TRUE(with->where_);
auto *identifier = dynamic_cast<Identifier *>(with->where_->expression_);
ASSERT_TRUE(identifier);
ASSERT_EQ(identifier->name_, "k");
ASSERT_EQ(with->named_expressions_.size(), 1U);
auto *named_expr = with->named_expressions_[0];
ASSERT_EQ(named_expr->name_, "m");
auto *identifier2 = dynamic_cast<Identifier *>(named_expr->expression_);
ASSERT_EQ(identifier2->name_, "n");
}
}