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Fix Cassandra case insensitive issue #2897

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Merged
merged 6 commits into from
Jul 25, 2025
Merged

Fix Cassandra case insensitive issue #2897

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412f6f9
Fix Cassandra case insensitive issue
KodaiD Jul 22, 2025
13d2178
Fix to quote the column names if necessary
KodaiD Jul 22, 2025
dfaabf1
Remove unnecessary unquotes
KodaiD Jul 24, 2025
5f747ea
Fix to use more complex test object names in DistributedStorage test …
KodaiD Jul 24, 2025
d185d13
Discard the changes in test object names
KodaiD Jul 24, 2025
62f45a7
Merge branch 'master' into fix-cassandra-case-insensitive
brfrn169 Jul 25, 2025
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24 changes: 18 additions & 6 deletions core/src/main/java/com/scalar/db/storage/cassandra/CassandraAdmin.java
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Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,7 @@ private void upsertIntoNamespacesTable(String keyspace) {
String insertQuery =
QueryBuilder.insertInto(
quoteIfNecessary(metadataKeyspace), quoteIfNecessary(NAMESPACES_TABLE))
.value(NAMESPACES_NAME_COL, quoteIfNecessary(keyspace))
.value(NAMESPACES_NAME_COL, keyspace)
.toString();
clusterManager.getSession().execute(insertQuery);
}
Expand Down Expand Up @@ -180,7 +180,7 @@ private void deleteFromNamespacesTable(String keyspace) {
String deleteQuery =
QueryBuilder.delete()
.from(quoteIfNecessary(metadataKeyspace), quoteIfNecessary(NAMESPACES_TABLE))
.where(QueryBuilder.eq(NAMESPACES_NAME_COL, quoteIfNecessary(keyspace)))
.where(QueryBuilder.eq(NAMESPACES_NAME_COL, keyspace))
.toString();
clusterManager.getSession().execute(deleteQuery);
}
Expand Down Expand Up @@ -279,7 +279,9 @@ private TableMetadata createTableMetadata(com.datastax.driver.core.TableMetadata
ClusteringOrder clusteringOrder = metadata.getClusteringOrder().get(i);
builder.addClusteringKey(clusteringColumnName, convertOrder(clusteringOrder));
}
metadata.getIndexes().forEach(i -> builder.addSecondaryIndex(i.getTarget()));
metadata
.getIndexes()
.forEach(i -> builder.addSecondaryIndex(unquoteIfNecessary(i.getTarget())));
return builder.build();
}

Expand Down Expand Up @@ -349,7 +351,7 @@ public boolean namespaceExists(String namespace) throws ExecutionException {
String query =
QueryBuilder.select(NAMESPACES_NAME_COL)
.from(quoteIfNecessary(metadataKeyspace), quoteIfNecessary(NAMESPACES_TABLE))
.where(QueryBuilder.eq(NAMESPACES_NAME_COL, quoteIfNecessary(namespace)))
.where(QueryBuilder.eq(NAMESPACES_NAME_COL, namespace))
.toString();
ResultSet resultSet = clusterManager.getSession().execute(query);

Expand Down Expand Up @@ -396,8 +398,8 @@ public void addNewColumnToTable(
}
try {
String alterTableQuery =
SchemaBuilder.alterTable(namespace, table)
.addColumn(columnName)
SchemaBuilder.alterTable(quoteIfNecessary(namespace), quoteIfNecessary(table))
.addColumn(quoteIfNecessary(columnName))
.type(toCassandraDataType(columnType))
.getQueryString();

Expand Down Expand Up @@ -686,4 +688,14 @@ public String toString() {
return strategyName;
}
}

private String unquoteIfNecessary(String identifier) {
if (identifier == null) {
return null;
}
if (identifier.length() >= 2 && identifier.startsWith("\"") && identifier.endsWith("\"")) {
return identifier.substring(1, identifier.length() - 1).replace("\"\"", "\"");
}
return identifier;
}
}
4 changes: 2 additions & 2 deletions core/src/test/java/com/scalar/db/storage/cassandra/CassandraAdminTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -229,7 +229,7 @@ private void verifyInsertIntoKeyspacesTableQuery(String keyspace) {
QueryBuilder.insertInto(
quoteIfNecessary(METADATA_KEYSPACE),
quoteIfNecessary(CassandraAdmin.NAMESPACES_TABLE))
.value(CassandraAdmin.NAMESPACES_NAME_COL, quoteIfNecessary(keyspace))
.value(CassandraAdmin.NAMESPACES_NAME_COL, keyspace)
.toString();
verify(cassandraSession).execute(query);
}
Expand Down Expand Up @@ -569,7 +569,7 @@ private void verifyDeleteFromKeyspacesTableQuery(String keyspace) {
.from(
quoteIfNecessary(METADATA_KEYSPACE),
quoteIfNecessary(CassandraAdmin.NAMESPACES_TABLE))
.where(QueryBuilder.eq(CassandraAdmin.NAMESPACES_NAME_COL, quoteIfNecessary(keyspace)))
.where(QueryBuilder.eq(CassandraAdmin.NAMESPACES_NAME_COL, keyspace))
.toString();
verify(cassandraSession).execute(query);
}
Expand Down