Skip to content

Fix information_schema with IS NOT NULL predicate #39

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
takezoe merged 1 commit into from
Feb 3, 2022
Merged

Fix information_schema with IS NOT NULL predicate #39

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 0 additions & 2 deletions ...ain/src/main/java/io/prestosql/connector/informationschema/InformationSchemaMetadata.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,6 @@
import java.util.stream.Stream;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkState;
import static com.google.common.base.Verify.verify;
import static com.google.common.collect.ImmutableList.toImmutableList;
import static com.google.common.collect.ImmutableMap.toImmutableMap;
Expand Down Expand Up @@ -408,7 +407,6 @@ private <T> Optional<Set<String>> filterString(TupleDomain<T> constraint, T colu
if (domain.getValues() instanceof SortedRangeSet) {
ImmutableSet.Builder<String> result = ImmutableSet.builder();
for (Range range : domain.getValues().getRanges().getOrderedRanges()) {
checkState(!range.isAll()); // Already checked
if (!range.isSingleValue()) {
return Optional.empty();
}
Expand Down
9 changes: 9 additions & 0 deletions presto-tests/src/test/java/io/prestosql/tests/TestInformationSchemaConnector.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -47,13 +47,16 @@ public void testBasic()
public void testSchemaNamePredicate()
{
assertQuery("SELECT count(*) FROM tpch.information_schema.schemata WHERE schema_name = 'sf1'", "VALUES 1");
assertQuery("SELECT count(*) FROM tpch.information_schema.schemata WHERE schema_name IS NOT NULL", "VALUES 10");
assertQuery("SELECT count(*) FROM tpch.information_schema.tables WHERE table_schema = 'sf1'", "VALUES 8");
assertQuery("SELECT count(*) FROM tpch.information_schema.tables WHERE table_schema IS NOT NULL", "VALUES 81");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema = 'sf1'", "VALUES 61");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema = 'information_schema'", "VALUES 40");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema > 'sf100'", "VALUES 427");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema != 'sf100'", "VALUES 528");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema LIKE 'sf100'", "VALUES 61");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema LIKE 'sf%'", "VALUES 488");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema IS NOT NULL", "VALUES 589");
}

@Test
Expand All @@ -65,19 +68,25 @@ public void testTableNamePredicate()
assertQuery("SELECT count(*) FROM tpch.information_schema.tables WHERE table_name < 'orders'", "VALUES 30");
assertQuery("SELECT count(*) FROM tpch.information_schema.tables WHERE table_name LIKE 'part'", "VALUES 9");
assertQuery("SELECT count(*) FROM tpch.information_schema.tables WHERE table_name LIKE 'part%'", "VALUES 18");
assertQuery("SELECT count(*) FROM tpch.information_schema.tables WHERE table_name IS NOT NULL", "VALUES 81");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_name = 'orders'", "VALUES 81");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_name LIKE 'orders'", "VALUES 81");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_name < 'orders'", "VALUES 265");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_name LIKE 'part'", "VALUES 81");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_name LIKE 'part%'", "VALUES 126");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_name IS NOT NULL", "VALUES 589");
}

@Test
public void testMixedPredicate()
{
assertQuery("SELECT * FROM tpch.information_schema.tables WHERE table_schema = 'sf1' and table_name = 'orders'", "VALUES ('tpch', 'sf1', 'orders', 'BASE TABLE')");
assertQuery("SELECT table_schema FROM tpch.information_schema.tables WHERE table_schema IS NOT NULL and table_name = 'orders'", "VALUES 'tiny', 'sf1', 'sf100', 'sf1000', 'sf10000', 'sf100000', 'sf300', 'sf3000', 'sf30000'");
assertQuery("SELECT table_name FROM tpch.information_schema.tables WHERE table_schema = 'sf1' and table_name IS NOT NULL", "VALUES 'customer', 'lineitem', 'orders', 'part', 'partsupp', 'supplier', 'nation', 'region'");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema = 'sf1' and table_name = 'orders'", "VALUES 9");
assertQuery("SELECT count(*) FROM tpch.information_schema.tables WHERE table_schema > 'sf1' and table_name < 'orders'", "VALUES 24");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema IS NOT NULL and table_name = 'orders'", "VALUES 81");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema = 'sf1' and table_name IS NOT NULL", "VALUES 61");
assertQuery("SELECT count(*) FROM tpch.information_schema.columns WHERE table_schema > 'sf1' and table_name < 'orders'", "VALUES 224");
}

Expand Down