Properly implement CachedResultSet and modified the serialization logic to rely on standard Java object serialization instead of custom JacksonMapper logic. Namely removed custom serialization logic for several special data types that are returned by the underlying SQL driver.

Handle conversion from Number for getBigDecimal() and added unit tests for it.

Author: QuChen88

examples/AWSDriverExample/build.gradle.kts

@@ -22,7 +22,6 @@ dependencies {
     implementation("software.amazon.awssdk:secretsmanager:2.33.5")
     implementation("software.amazon.awssdk:sts:2.33.5")
     implementation("com.fasterxml.jackson.core:jackson-databind:2.19.0")
-    implementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.19.0")
     implementation(project(":aws-advanced-jdbc-wrapper"))
     implementation("io.opentelemetry:opentelemetry-api:1.52.0")
     implementation("io.opentelemetry:opentelemetry-sdk:1.51.0")

examples/AWSDriverExample/src/main/java/software/amazon/DatabaseConnectionWithCacheExample.java

@@ -32,7 +32,7 @@ public static void main(String[] args) throws SQLException {
     properties.setProperty("cacheEndpointAddrRo", CACHE_RO_SERVER_ADDR);
     properties.setProperty("cacheUseSSL", USE_SSL); // "true" or "false"
     properties.setProperty("wrapperLogUnclosedConnections", "true");
-    String queryStr = "/* cacheTTL=300s */ select * from cinemas";
+    String queryStr = "/*+ CACHE_PARAM(ttl=300s) */ select * from cinemas";
 
     // Create threads for concurrent connection testing
     Thread[] threads = new Thread[THREAD_COUNT];

wrapper/build.gradle.kts

@@ -50,7 +50,6 @@ dependencies {
     optionalImplementation("io.opentelemetry:opentelemetry-sdk:1.52.0")
     optionalImplementation("io.opentelemetry:opentelemetry-sdk-metrics:1.52.0")
 
-    compileOnly("com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.19.0")
     compileOnly("io.lettuce:lettuce-core:6.6.0.RELEASE")
     compileOnly("org.apache.commons:commons-pool2:2.11.1")
     compileOnly("org.checkerframework:checker-qual:3.49.5")
@@ -100,7 +99,6 @@ dependencies {
     testImplementation("org.apache.poi:poi-ooxml:5.4.1")
     testImplementation("org.slf4j:slf4j-simple:2.0.17")
     testImplementation("com.fasterxml.jackson.core:jackson-databind:2.19.0")
-    testImplementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.19.0")
     testImplementation("com.amazonaws:aws-xray-recorder-sdk-core:2.18.2")
     testImplementation("io.lettuce:lettuce-core:6.6.0.RELEASE")
     testImplementation("io.opentelemetry:opentelemetry-api:1.52.0")
@@ -112,7 +110,6 @@ dependencies {
     testImplementation("de.vandermeer:asciitable:0.3.2")
     testImplementation("org.hibernate:hibernate-core:5.6.15.Final") // the latest version compatible with Java 8
     testImplementation("jakarta.persistence:jakarta.persistence-api:2.2.3")
-    testImplementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.19.2")
 }
 
 repositories {