fix(sink): fix sink in to Cassandra failed when using column name containing upper case letter

ci/scripts/e2e-cassandra-sink-test.sh

@@ -36,27 +36,19 @@ risedev ci-start ci-sink-test
 # Wait cassandra server to start
 sleep 40
 
-echo "--- create cassandra table"
-curl https://downloads.apache.org/cassandra/4.1.3/apache-cassandra-4.1.3-bin.tar.gz  --output apache-cassandra-4.1.3-bin.tar.gz
-tar xfvz apache-cassandra-4.1.3-bin.tar.gz
+echo "--- install cassandra"
+curl https://downloads.apache.org/cassandra/4.1.5/apache-cassandra-4.1.5-bin.tar.gz  --output apache-cassandra-4.1.5-bin.tar.gz
+tar xfvz apache-cassandra-4.1.5-bin.tar.gz
 # remove bundled packages, and use installed packages, because Python 3.12 has removed asyncore, but I failed to install libev support for bundled Python driver.
-rm apache-cassandra-4.1.3/lib/six-1.12.0-py2.py3-none-any.zip
-rm apache-cassandra-4.1.3/lib/cassandra-driver-internal-only-3.25.0.zip
+rm apache-cassandra-4.1.5/lib/six-1.12.0-py2.py3-none-any.zip
+rm apache-cassandra-4.1.5/lib/cassandra-driver-internal-only-3.25.0.zip
 apt-get install -y libev4 libev-dev
 pip3 install --break-system-packages cassandra-driver
-
-cd apache-cassandra-4.1.3/bin
 export CQLSH_HOST=cassandra-server
 export CQLSH_PORT=9042
-./cqlsh --request-timeout=20 -e "CREATE KEYSPACE demo WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1};use demo;
-CREATE table demo_bhv_table(v1 int primary key,v2 smallint,v3 bigint,v4 float,v5 double,v6 text,v7 date,v8 timestamp,v9 boolean);"
 
 echo "--- testing sinks"
-cd ../../
 sqllogictest -p 4566 -d dev './e2e_test/sink/cassandra_sink.slt'
-sleep 1
-cd apache-cassandra-4.1.3/bin
-./cqlsh --request-timeout=20 -e "COPY demo.demo_bhv_table TO './query_result.csv' WITH HEADER = false AND ENCODING = 'UTF-8';"
 
 if cat ./query_result.csv | awk -F "," '{
     exit !($1 == 1 && $2 == 1 && $3 == 1 && $4 == 1.1 && $5 == 1.2 && $6 == "test" && $7 == "2013-01-01" && $8 == "2013-01-01 01:01:01.000+0000" && $9 == "False\r"); }'; then
@@ -68,6 +60,16 @@ else
   exit 1
 fi
 
+if cat ./query_result2.csv | awk -F "," '{
+    exit !($1 == 1 && $2 == 1 && $3 == "1\r"); }'; then
+  echo "Cassandra sink check passed"
+else
+  echo "The output is not as expected."
+  echo "output:"
+  cat ./query_result2.csv
+  exit 1
+fi
+
 echo "--- Kill cluster"
 cd ../../
 risedev ci-kill

e2e_test/sink/cassandra_sink.slt

@@ -1,13 +1,19 @@
+system ok
+./apache-cassandra-4.1.5/bin/cqlsh --request-timeout=20 -e "CREATE KEYSPACE demo WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1};use demo;CREATE table demo_bhv_table(v1 int primary key,v2 smallint,v3 bigint,v4 float,v5 double,v6 text,v7 date,v8 timestamp,v9 boolean);"
+
+system ok
+./apache-cassandra-4.1.5/bin/cqlsh --request-timeout=20 -e "use demo;CREATE table \"Test_uppercase\"(\"TEST_V1\" int primary key, \"TEST_V2\" int,\"TEST_V3\" int);"
+
 statement ok
 CREATE TABLE t6 (v1 int primary key, v2 smallint, v3 bigint, v4 real, v5 float, v6 varchar, v7 date, v8 timestamptz, v9 boolean);
 
 statement ok
-CREATE MATERIALIZED VIEW mv6 AS SELECT * FROM t6;
+CREATE TABLE t7 ("TEST_V1" int primary key, "TEST_V2" int, "TEST_V3" int);
 
 statement ok
 CREATE SINK s6
 FROM
-    mv6 WITH (
+    t6 WITH (
     connector = 'cassandra',
     type = 'append-only',
     force_append_only='true',
@@ -17,17 +23,42 @@ FROM
     cassandra.datacenter = 'datacenter1',
 );
 
+statement ok
+CREATE SINK s7
+FROM
+    t7 WITH (
+    connector = 'cassandra',
+    type = 'append-only',
+    force_append_only='true',
+    cassandra.url = 'cassandra-server:9042',
+    cassandra.keyspace  = 'demo',
+    cassandra.table = 'Test_uppercase',
+    cassandra.datacenter = 'datacenter1',
+);
+
 statement ok
 INSERT INTO t6 VALUES (1, 1, 1, 1.1, 1.2, 'test', '2013-01-01', '2013-01-01 01:01:01+00:00' , false);
 
+statement ok
+INSERT INTO t7 VALUES (1, 1, 1);
+
 statement ok
 FLUSH;
 
 statement ok
 DROP SINK s6;
 
 statement ok
-DROP MATERIALIZED VIEW mv6;
+DROP TABLE t6;
 
 statement ok
-DROP TABLE t6;
+DROP SINK s7;
+
+statement ok
+DROP TABLE t7;
+
+system ok
+./apache-cassandra-4.1.5/bin/cqlsh --request-timeout=20 -e "COPY demo.demo_bhv_table TO './query_result.csv' WITH HEADER = false AND ENCODING = 'UTF-8';"
+
+system ok
+./apache-cassandra-4.1.5/bin/cqlsh --request-timeout=20 -e "COPY demo.\"Test_uppercase\" TO './query_result2.csv' WITH HEADER = false AND ENCODING = 'UTF-8';"

java/connector-node/risingwave-sink-cassandra/src/main/java/com/risingwave/connector/CassandraConfig.java

@@ -57,7 +57,7 @@ public CassandraConfig(
             @JsonProperty(value = "type") String type) {
         this.url = url;
         this.keyspace = keyspace;
-        this.table = table;
+        this.table = CassandraUtil.convertCQLIdentifiers(table);
         this.datacenter = datacenter;
         this.type = type;
     }

java/connector-node/risingwave-sink-cassandra/src/main/java/com/risingwave/connector/CassandraSink.java

@@ -193,8 +193,15 @@ public void drop() {
 
     private String createInsertStatement(String tableName, TableSchema tableSchema) {
         String[] columnNames = tableSchema.getColumnNames();
-        String columnNamesString = String.join(", ", columnNames);
+        String columnNamesString =
+                Arrays.stream(columnNames)
+                        .map(columnName -> CassandraUtil.convertCQLIdentifiers(columnName))
+                        .collect(Collectors.joining(", "));
         String placeholdersString = String.join(", ", Collections.nCopies(columnNames.length, "?"));
+        System.out.println(
+                String.format(
+                        "INSERT INTO %s (%s) VALUES (%s)",
+                        tableName, columnNamesString, placeholdersString));
         return String.format(
                 "INSERT INTO %s (%s) VALUES (%s)",
                 tableName, columnNamesString, placeholdersString);
@@ -204,11 +211,11 @@ private String createUpdateStatement(String tableName, TableSchema tableSchema)
         List<String> primaryKeys = tableSchema.getPrimaryKeys();
         String setClause = // cassandra does not allow SET on primary keys
                 nonKeyColumns.stream()
-                        .map(columnName -> columnName + " = ?")
+                        .map(columnName -> CassandraUtil.convertCQLIdentifiers(columnName) + " = ?")
                         .collect(Collectors.joining(", "));
         String whereClause =
                 primaryKeys.stream()
-                        .map(columnName -> columnName + " = ?")
+                        .map(columnName -> CassandraUtil.convertCQLIdentifiers(columnName) + " = ?")
                         .collect(Collectors.joining(" AND "));
         return String.format("UPDATE %s SET %s WHERE %s", tableName, setClause, whereClause);
     }
@@ -217,7 +224,7 @@ private static String createDeleteStatement(String tableName, TableSchema tableS
         List<String> primaryKeys = tableSchema.getPrimaryKeys();
         String whereClause =
                 primaryKeys.stream()
-                        .map(columnName -> columnName + " = ?")
+                        .map(columnName -> CassandraUtil.convertCQLIdentifiers(columnName) + " = ?")
                         .collect(Collectors.joining(" AND "));
         return String.format("DELETE FROM %s WHERE %s", tableName, whereClause);
     }

java/connector-node/risingwave-sink-cassandra/src/main/java/com/risingwave/connector/CassandraUtil.java

@@ -167,4 +167,8 @@ public static Object convertRow(Object value, TypeName typeName) {
                         .asRuntimeException();
         }
     }
+
+    public static String convertCQLIdentifiers(String identifier) {
+        return "\"" + identifier + "\"";
+    }
 }