CREATE-CATALOG

Name

CREATE CATALOG

Description

该语句用于创建外部数据目录（catalog）

语法：

CREATE CATALOG [IF NOT EXISTS] catalog_name [comment]
    PROPERTIES ("key"="value", ...);

hms：Hive MetaStore
es：Elasticsearch
jdbc：数据库访问的标准接口(JDBC), 当前支持 MySQL 和 PostgreSQL

Example

新建数据目录 hive

CREATE CATALOG hive comment 'hive catalog' PROPERTIES (
    'type'='hms',
    'hive.metastore.uris' = 'thrift://127.0.0.1:7004',
    'dfs.nameservices'='HANN',
    'dfs.ha.namenodes.HANN'='nn1,nn2',
    'dfs.namenode.rpc-address.HANN.nn1'='nn1_host:rpc_port',
    'dfs.namenode.rpc-address.HANN.nn2'='nn2_host:rpc_port',
    'dfs.client.failover.proxy.provider.HANN'='org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider'
);

新建数据目录 es

CREATE CATALOG es PROPERTIES (
    "type"="es",
    "hosts"="http://127.0.0.1:9200"
);

新建数据目录 jdbc

mysql

CREATE CATALOG jdbc PROPERTIES (
    "type"="jdbc",
    "user"="root",
    "password"="123456",
    "jdbc_url" = "jdbc:mysql://127.0.0.1:3316/doris_test?useSSL=false",
    "driver_url" = "https://doris-community-test-1308700295.cos.ap-hongkong.myqcloud.com/jdbc_driver/mysql-connector-java-8.0.25.jar",
    "driver_class" = "com.mysql.cj.jdbc.Driver"
);

postgresql

CREATE CATALOG jdbc PROPERTIES (
    "type"="jdbc",
    "user"="postgres",
    "password"="123456",
    "jdbc_url" = "jdbc:postgresql://127.0.0.1:5432/demo",
    "driver_url" = "file:///path/to/postgresql-42.5.1.jar",
    "driver_class" = "org.postgresql.Driver"
);

clickhouse

CREATE CATALOG jdbc PROPERTIES (
    "type"="jdbc",
    "user"="default",
    "password"="123456",
    "jdbc_url" = "jdbc:clickhouse://127.0.0.1:8123/demo",
    "driver_url" = "file:///path/to/clickhouse-jdbc-0.3.2-patch11-all.jar",
    "driver_class" = "com.clickhouse.jdbc.ClickHouseDriver"
)

oracle

CREATE CATALOG jdbc PROPERTIES (
    "type"="jdbc",
    "user"="doris",
    "password"="123456",
    "jdbc_url" = "jdbc:oracle:thin:@127.0.0.1:1521:helowin",
    "driver_url" = "file:///path/to/ojdbc8.jar",
    "driver_class" = "oracle.jdbc.driver.OracleDriver"
);  

SQLServer

CREATE CATALOG sqlserver_catalog PROPERTIES (
    "type"="jdbc",
    "user"="SA",
    "password"="Doris123456",
    "jdbc_url" = "jdbc:sqlserver://localhost:1433;DataBaseName=doris_test",
    "driver_url" = "file:///path/to/mssql-jdbc-11.2.3.jre8.jar",
    "driver_class" = "com.microsoft.sqlserver.jdbc.SQLServerDriver"
);  

SAP HANA

CREATE CATALOG saphana_catalog PROPERTIES (
   "type"="jdbc",
   "user"="SYSTEM",
   "password"="SAPHANA",
   "jdbc_url" = "jdbc:sap://localhost:31515/TEST",
   "driver_url" = "file:///path/to/ngdbc.jar",
   "driver_class" = "com.sap.db.jdbc.Driver"
);

Trino

CREATE CATALOG trino_catalog PROPERTIES (
   "type"="jdbc",
   "user"="hadoop",
   "password"="",
   "jdbc_url" = "jdbc:trino://localhost:8080/hive",
   "driver_url" = "file:///path/to/trino-jdbc-389.jar",
   "driver_class" = "io.trino.jdbc.TrinoDriver"
);

OceanBase

CREATE CATALOG oceanbase_catalog PROPERTIES (
   "type"="jdbc",
   "user"="root",
   "password"="",
   "jdbc_url" = "jdbc:oceanbase://localhost:2881/demo",
   "driver_url" = "file:///path/to/oceanbase-client-2.4.2.jar",
   "driver_class" = "com.oceanbase.jdbc.Driver"
);

Keywords

CREATE, CATALOG

CREATE-CATALOG​

Name​

Description​

Example​

Keywords​

Best Practice​

CREATE-CATALOG

Name

Description

Example

Keywords

Best Practice