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    pre: "pre",
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  return _jsxs(_Fragment, {
    children: [_jsx(_components.p, {
      children: "We are ex­tremely pleased to an­nounce that the Eclipse Vert.x ver­sion 3.8.0 has been re­leased."
    }), "\n", _jsx(_components.p, {
      children: "This is an im­por­tant re­lease that in­tro­duces a few changes ramp­ing up to Vert.x 4 ex­pected by the end of this year."
    }), "\n", _jsxs(_components.h2, {
      id: "the-reactive-sql-client",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
        className: "heading-anchor",
        href: "#the-reactive-sql-client"
      }), "The Reactive SQL Client"]
    }), "\n", _jsxs(_components.p, {
      children: ["The client is the evo­lu­tion of the leg­endary ", _jsx(_components.em, {
        children: "Re­ac­tive Post­greSQL Client"
      }), " and pro­vides"]
    }), "\n", _jsxs(_components.ul, {
      children: ["\n", _jsx(_components.li, {
        children: "The Re­ac­tive Post­greSQL Client aka Vert.x Post­greSQL Client"
      }), "\n", _jsx(_components.li, {
        children: "The Re­ac­tive MySQL Client aka Vert.x MySQL Client"
      }), "\n"]
    }), "\n", _jsx(_components.p, {
      children: "These im­ple­men­ta­tions pro­vide real high per­for­mance non-​blocking ac­cess to Post­greSQL and MySQL."
    }), "\n", _jsxs(_components.p, {
      children: ["To use these new mod­ules, add the fol­low­ing to the ", _jsx(_components.em, {
        children: "de­pen­den­cies"
      }), " sec­tion of your Maven POM file:"]
    }), "\n", _jsx(_components.pre, {
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          className: "hljs-tag",
          children: ["<", _jsx(_components.span, {
            className: "hljs-name",
            children: "version"
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        }), "3.8.0", _jsxs(_components.span, {
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          className: "hljs-tag",
          children: ["<", _jsx(_components.span, {
            className: "hljs-name",
            children: "groupId"
          }), ">"]
        }), "io.vertx", _jsxs(_components.span, {
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          children: ["</", _jsx(_components.span, {
            className: "hljs-name",
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        }), "\n  ", _jsxs(_components.span, {
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          children: ["<", _jsx(_components.span, {
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        }), "\n  ", _jsxs(_components.span, {
          className: "hljs-tag",
          children: ["<", _jsx(_components.span, {
            className: "hljs-name",
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          className: "hljs-tag",
          children: ["</", _jsx(_components.span, {
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        }), "\n"]
      })
    }), "\n", _jsx(_components.p, {
      children: "Or, if you use Gra­dle:"
    }), "\n", _jsx(_components.pre, {
      children: _jsxs(_components.code, {
        className: "hljs language-gradle",
        children: [_jsx(_components.span, {
          className: "hljs-keyword",
          children: "compile"
        }), " ", _jsx(_components.span, {
          className: "hljs-string",
          children: "'io.vertx:vertx-pg-client:3.8.0'"
        }), "\n", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "compile"
        }), " ", _jsx(_components.span, {
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      children: "Then you are good to go!"
    }), "\n", _jsx(_components.pre, {
      children: _jsxs(_components.code, {
        className: "hljs language-java",
        children: [_jsx(_components.span, {
          className: "hljs-comment",
          children: "// Connect options"
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          className: "hljs-type",
          children: "PgConnectOptions"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
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        }), " ", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "new"
        }), " ", _jsx(_components.span, {
          className: "hljs-title class_",
          children: "PgConnectOptions"
        }), "()\n  .setPort(", _jsx(_components.span, {
          className: "hljs-number",
          children: "5432"
        }), ")\n  .setHost(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"the-host\""
        }), ")\n  .setDatabase(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"the-db\""
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          className: "hljs-string",
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        }), ");\n\n", _jsx(_components.span, {
          className: "hljs-type",
          children: "PgPool"
        }), " ", _jsx(_components.span, {
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          className: "hljs-operator",
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          className: "hljs-title class_",
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          children: "\"SELECT * FROM users WHERE id='julien'\""
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          className: "hljs-keyword",
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          className: "hljs-operator",
          children: "="
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          className: "hljs-string",
          children: "\"Got \""
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          className: "hljs-string",
          children: "\" rows \""
        }), ");\n  } ", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "else"
        }), " {\n    System.out.println(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"Failure: \""
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    }), "\n", _jsx(_components.p, {
      children: "Like­wise you can achieve the same for MySQL:"
    }), "\n", _jsx(_components.pre, {
      children: _jsxs(_components.code, {
        className: "hljs language-java",
        children: [_jsx(_components.span, {
          className: "hljs-type",
          children: "MySQLConnectOptions"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "connectOptions"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
        }), " ", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "new"
        }), " ", _jsx(_components.span, {
          className: "hljs-title class_",
          children: "MySQLConnectOptions"
        }), "()\n  .setPort(", _jsx(_components.span, {
          className: "hljs-number",
          children: "3306"
        }), ")\n  .setHost(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"the-host\""
        }), ")\n  .setDatabase(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"the-db\""
        }), ")\n  .setUser(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"user\""
        }), ")\n  .setPassword(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"secret\""
        }), ");\n\n", _jsx(_components.span, {
          className: "hljs-type",
          children: "MySQLPool"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "client"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
        }), " MySQLPool.pool(connectOptions, ", _jsx(_components.span, {
          className: "hljs-keyword",
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          className: "hljs-title class_",
          children: "PoolOptions"
        }), "().setMaxSize(", _jsx(_components.span, {
          className: "hljs-number",
          children: "5"
        }), "));\n\nclient.query(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"SELECT * FROM users WHERE id='julien'\""
        }), ", ar -> {\n  ", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "if"
        }), " (ar.succeeded()) {\n    ", _jsx(_components.span, {
          className: "hljs-type",
          children: "RowSet"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "result"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
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          className: "hljs-string",
          children: "\"Got \""
        }), " + result.size() + ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\" rows \""
        }), ");\n  } ", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "else"
        }), " {\n    System.out.println(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"Failure: \""
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      })
    }), "\n", _jsxs(_components.p, {
      children: ["The ", _jsx(_components.em, {
        children: "Re­ac­tive SQL Client"
      }), " brings to you the next gen­er­a­tion data­base ac­cess, it is cer­tainly the most ex­cit­ing\nthing hap­pen­ing in the re­ac­tive data­base ac­cess space."]
    }), "\n", _jsxs(_components.h2, {
      id: "future-api-improvements",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
        className: "heading-anchor",
        href: "#future-api-improvements"
      }), "Future API improvements"]
    }), "\n", _jsxs(_components.p, {
      children: ["In this re­lease we up­dated the Vert.x ", _jsx(_components.code, {
        children: "Future"
      }), " in­ter­face to ex­pose com­ple­tion meth­ods in a new ", _jsx(_components.code, {
        children: "Promise"
      }), " in­ter­face."]
    }), "\n", _jsxs(_components.p, {
      children: ["This im­proves the de­sign of the API of ", _jsx(_components.code, {
        children: "Future"
      }), " by hav­ing ", _jsx(_components.code, {
        children: "Promise"
      }), " being the write side of an asyn­chro­nous re­sult\nand the ", _jsx(_components.code, {
        children: "Future"
      }), " being its read side."]
    }), "\n", _jsx(_components.p, {
      children: "While there is lit­tle use for this in Vert.x 3.x, this has an im­pact on Vert.x 4."
    }), "\n", _jsxs(_components.p, {
      children: ["Con­se­quently some method sig­na­tures have been changed to use ", _jsx(_components.code, {
        children: "Promise"
      }), " in­stead of ", _jsx(_components.code, {
        children: "Future"
      }), " ex­plained in this ", _jsx(_components.a, {
        href: "https://github.com/vert-x3/wiki/wiki/3.8.0-Deprecations-and-breaking-changes#future-creation-and-completion",
        children: "page"
      }), "."]
    }), "\n", _jsxs(_components.h2, {
      id: "upgrading-to-38",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
        className: "heading-anchor",
        href: "#upgrading-to-38"
      }), "Upgrading to 3.8"]
    }), "\n", _jsxs(_components.p, {
      children: ["Up­grad­ing to 3.8.0 might re­quire a few changes in your ap­pli­ca­tion, you can read this ", _jsx(_components.a, {
        href: "https://github.com/vert-x3/wiki/wiki/3.8.0-Deprecations-and-breaking-changes#future-creation-and-completion",
        children: "page"
      }), " to un­der­stand the im­pact of the\n3.8 re­lease on your ap­pli­ca­tion up­grade."]
    }), "\n", _jsxs(_components.h2, {
      id: "and-more",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
        className: "heading-anchor",
        href: "#and-more"
      }), "And more…"]
    }), "\n", _jsx(_components.p, {
      children: "Here are some other im­por­tant im­prove­ments you can find in this re­lease:"
    }), "\n", _jsxs(_components.ul, {
      children: ["\n", _jsx(_components.li, {
        children: "Cas­san­dra Client gets out of tech pre­view"
      }), "\n", _jsx(_components.li, {
        children: "Jack­son up­grade to 2.9.9 and data­bind 2.9.9.1"
      }), "\n", _jsx(_components.li, {
        children: "And ob­vi­ously we have the usual bug fixes!"
      }), "\n"]
    }), "\n", _jsxs(_components.h2, {
      id: "finally",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
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      children: ["The ", _jsx(_components.a, {
        href: "https://github.com/vert-x3/wiki/wiki/3.8.0-Release-Notes",
        children: "3.8.0 re­lease notes"
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        href: "https://github.com/vert-x3/wiki/wiki/3.8.0-Deprecations-and-breaking-changes",
        children: "dep­re­ca­tions and break­ing changes"
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    }), "\n", _jsxs(_components.p, {
      children: ["Docker im­ages are avail­able on ", _jsx(_components.a, {
        href: "https://hub.docker.com/u/vertx/",
        children: "Docker Hub"
      }), "."]
    }), "\n", _jsxs(_components.p, {
      children: ["The Vert.x dis­tri­b­u­tion can be down­loaded on the web­site but is also avail­able from ", _jsx(_components.a, {
        href: "http://sdkman.io/index.html",
        children: "SD­KMan"
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        href: "http://brew.sh/",
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      }), "."]
    }), "\n", _jsx(_components.p, {
      children: "The event bus client using the SockJS bridge is avail­able from:"
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      children: ["\n", _jsx(_components.li, {
        children: _jsx(_components.a, {
          href: "https://www.npmjs.com/package/vertx3-eventbus-client",
          children: "NPM"
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      }), "\n", _jsx(_components.li, {
        children: _jsx(_components.a, {
          href: "https://github.com/vert-x3/vertx-bus-bower",
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        children: _jsx(_components.a, {
          href: "http://www.webjars.org/",
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    }), "\n", _jsxs(_components.p, {
      children: ["The re­lease ar­ti­facts have been de­ployed to ", _jsx(_components.a, {
        href: "http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22io.vertx%22%20AND%20v%3A%223.8.0%22",
        children: "Maven Cen­tral"
      }), " and you can get the dis­tri­b­u­tion on ", _jsx(_components.a, {
        href: "https://bintray.com/vertx/downloads/distribution/3.8.0/view",
        children: "Bin­tray"
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    }), "\n", _jsxs(_components.p, {
      children: ["That’s it! Happy cod­ing and see you soon on our user or dev ", _jsx(Link, {
        href: "/community",
        passHref: true,
        children: _jsx(_components.a, {
          href: "",
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function MDXContent(props = {}) {
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  return MDXLayout ? _jsx(MDXLayout, Object.assign({}, props, {
    children: _jsx(_createMdxContent, props)
  })) : _createMdxContent(props);
}
return {
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};
function _missingMdxReference(id, component) {
  throw new Error("Expected " + (component ? "component" : "object") + " `" + id + "` to be defined: you likely forgot to import, pass, or provide it.");
}


Blog

Eclipse Vert.x 3.8.0 released!

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VS Code Vert.x Starter Extension

Blog

Eclipse Vert.x 3.8.0 released!

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Eclipse Vert.x 4 milestone 1 released!

Previous post

VS Code Vert.x Starter Extension

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