fix: updates DatabaseInfo equals/hashcode

To compare version retention period and earliest version time.

Author: thiagotnunes

google-cloud-spanner/src/main/java/com/google/cloud/spanner/DatabaseInfo.java

@@ -190,16 +190,31 @@ public boolean equals(Object o) {
  return id.equals(that.id)
  && state == that.state
  && Objects.equals(createTime, that.createTime)
- && Objects.equals(restoreInfo, that.restoreInfo);
+ && Objects.equals(restoreInfo, that.restoreInfo)
+ && Objects.equals(versionRetentionPeriod, that.versionRetentionPeriod)
+ && Objects.equals(earliestVersionTime, that.earliestVersionTime);
  }
 
  @Override
  public int hashCode() {
- return Objects.hash(id, state, createTime, restoreInfo);
+ return Objects.hash(
+ id,
+ state,
+ createTime,
+ restoreInfo,
+ versionRetentionPeriod,
+ earliestVersionTime);
  }
 
  @Override
  public String toString() {
- return String.format("Database[%s, %s, %s, %s]", id.getName(), state, createTime, restoreInfo);
+ return String.format(
+ "Database[%s, %s, %s, %s, %s, %s]",
+ id.getName(),
+ state,
+ createTime,
+ restoreInfo,
+ versionRetentionPeriod,
+ earliestVersionTime);
  }
 }