Merge pull request #1346 from zhicwu/main

Prepare for 0.4.6 release.

Author: zhicwu

CHANGELOG.md

@@ -5,6 +5,7 @@
 * Two new options(use_compilation & max_mapper_cache) reserved for future usage.
 
 ### Bug Fixes
+* Too many socket fds generated by Apache HttpClient.
 * NoClassDefFoundError with clickhouse-apache-http-client-jdbc. [#1319](https://github.com/ClickHouse/clickhouse-java/issues/1319)
 * Nested array in tuple array is incorrectly deserialized. [#1324](https://github.com/ClickHouse/clickhouse-java/issues/1324)
 * client certificate password exposure in exception. [#1331](https://github.com/ClickHouse/clickhouse-java/issues/1331)

README.md

@@ -44,9 +44,10 @@ Java libraries for connecting to ClickHouse and processing data in various forma
 | Transaction       | Transaction                                                                         | :white_check_mark: | supported since 0.3.2-patch11, use ClickHouse 22.7+ for native implicit transaction support                                                                                                                              |
 |                   | Savepoint                                                                           | :x:                |                                                                                                                                                                                                                          |
 |                   | XAConnection                                                                        | :x:                |                                                                                                                                                                                                                          |
-| Misc.             | Centralized Configuration                                                           | :white_check_mark: | supported since 0.4.2, limited to JDBC driver and requires custom server setting `custom_jdbc_config` for all connected JDBC clients - [#1290](../../pull/1290)                                    |
-|                   | INFILE & OUTFILE                                                                    | :white_check_mark: | supported since 0.4.2, limited to JDBC driver and requires `localFile` option - [#1291](../../pull/1291)                                                                                           |
+| Misc.             | Centralized Configuration                                                           | :white_check_mark: | supported since 0.4.2, limited to JDBC driver and requires custom server setting `custom_jdbc_config` for all connected JDBC clients - [#1290](../../pull/1290)                                                          |
+|                   | INFILE & OUTFILE                                                                    | :white_check_mark: | supported since 0.4.2, limited to JDBC driver and requires `localFile` option - [#1291](../../pull/1291)                                                                                                                 |
 |                   | Implicit Type Conversion                                                            | :white_check_mark: | String/number to Date/Time/Timestamp and more                                                                                                                                                                            |
+|                   | Object mapping                                                                      | :white_check_mark: | supported since 0.4.6, slow and limited to simple data types                                                                                                                                                             |
 
 ## Usage
 

clickhouse-http-client/src/main/java/com/clickhouse/client/http/ClickHouseHttpConnectionFactory.java

@@ -25,7 +25,7 @@ public static ClickHouseHttpConnection createConnection(ClickHouseNode server, C
         } catch (IOException e) {
             throw e;
         } catch (Throwable t) {
-            log.warn("Error when creating http client %s, will use HTTP_URL_CONNECTION", provider.name(), t);
+            log.warn("Error when creating http client %s, will use HTTP_URL_CONNECTION", provider, t);
             return new HttpUrlConnectionImpl(server, request, executor);
         }
     }

clickhouse-http-client/src/main/java/com/clickhouse/client/http/config/ClickHouseHttpOption.java

@@ -33,6 +33,10 @@ public enum ClickHouseHttpOption implements ClickHouseOption {
      * Whether to enable keep-alive or not.
      */
     KEEP_ALIVE("http_keep_alive", true, "Whether to use keep-alive or not"),
+    /**
+     * Max open connections apply with Apache HttpClient only.
+     */
+    MAX_OPEN_CONNECTIONS("max_open_connections", 10, "Max open connections apply with Apache HttpClient only."),
     /**
      * Whether to receive information about the progress of a query in response
      * headers.
@@ -47,13 +51,7 @@ public enum ClickHouseHttpOption implements ClickHouseOption {
     /**
      * Web context.
      */
-    WEB_CONTEXT("web_context", "/", "Web context."),
-
-    /**
-     * Max connections of ApacheHttpConnectionImpl
-     */
-    MAX_OPEN_CONNECTIONS("max_open_connections", 10,
-            "max open connections for a ClickHouseConnection");
+    WEB_CONTEXT("web_context", "/", "Web context.");
 
     private final String key;
     private final Serializable defaultValue;

clickhouse-jdbc/src/main/java/com/clickhouse/jdbc/Main.java

@@ -510,7 +510,7 @@ final long read(Options options) throws ClickHouseException, SQLException {
                         if (options.hasFile()) {
                             try {
                                 response.getInputStream().setCopyToTarget(
-                                        !"-".equals(options.file) ? new FileOutputStream(options.file, false)
+                                        !"-".equals(options.file) ? new FileOutputStream(options.file, false) // NOSONAR
                                                 : System.out); // NOSONAR
                             } catch (IOException e) {
                                 throw ClickHouseException.of(e, server);