chore: optimize imports (#12)

Author: fengjiachun

ingester-example/src/main/java/io/greptime/MyMetric2.java

@@ -18,7 +18,6 @@
 import io.greptime.models.Column;
 import io.greptime.models.DataType;
 import io.greptime.models.Metric;
-import java.math.BigDecimal;
 import java.util.Date;
 
 /**

ingester-protocol/src/main/java/io/greptime/GreptimeDB.java

@@ -25,8 +25,8 @@
 import io.greptime.common.util.MetricsUtil;
 import io.greptime.models.Err;
 import io.greptime.models.Result;
-import io.greptime.models.WriteOk;
 import io.greptime.models.Table;
+import io.greptime.models.WriteOk;
 import io.greptime.options.GreptimeOptions;
 import io.greptime.options.RouterOptions;
 import io.greptime.options.WriteOptions;

ingester-protocol/src/main/java/io/greptime/Write.java

@@ -17,8 +17,8 @@
 
 import io.greptime.models.Err;
 import io.greptime.models.Result;
-import io.greptime.models.WriteOk;
 import io.greptime.models.Table;
+import io.greptime.models.WriteOk;
 import io.greptime.rpc.Context;
 
 import java.util.Collection;

ingester-protocol/src/main/java/io/greptime/WriteClient.java

@@ -34,9 +34,9 @@
 import io.greptime.models.AuthInfo;
 import io.greptime.models.Err;
 import io.greptime.models.Result;
-import io.greptime.models.WriteOk;
 import io.greptime.models.Table;
 import io.greptime.models.TableHelper;
+import io.greptime.models.WriteOk;
 import io.greptime.models.WriteTables;
 import io.greptime.options.WriteOptions;
 import io.greptime.rpc.Context;

ingester-protocol/src/main/java/io/greptime/limit/WriteLimiter.java

@@ -17,8 +17,8 @@
 
 import io.greptime.models.Err;
 import io.greptime.models.Result;
-import io.greptime.models.WriteOk;
 import io.greptime.models.Table;
+import io.greptime.models.WriteOk;
 import java.util.Collection;
 
 /**

ingester-protocol/src/main/java/io/greptime/models/Err.java

@@ -16,7 +16,6 @@
 package io.greptime.models;
 
 import io.greptime.common.Endpoint;
-import java.util.Collection;
 
 /**
  * Contains the write/query error value.

ingester-protocol/src/main/java/io/greptime/models/IntervalMonthDayNano.java

@@ -44,7 +44,6 @@ public long getNanoseconds() {
         return nanoseconds;
     }
 
-
     @Override
     public Common.IntervalMonthDayNano into() {
         return Common.IntervalMonthDayNano.newBuilder() //

ingester-protocol/src/main/java/io/greptime/models/TableHelper.java

@@ -19,7 +19,6 @@
 import io.greptime.v1.Common;
 import io.greptime.v1.Database;
 import java.util.Collection;
-import java.util.Collections;
 
 /**
  * @author jiachun.fjc

ingester-protocol/src/main/java/io/greptime/models/WriteOk.java

@@ -15,8 +15,6 @@
  */
 package io.greptime.models;
 
-import java.util.Collection;
-
 /**
  * Contains the success value of write.
  *