Phoenix SQL语法
数据库
CREATE SCHEMA
CREATE SCHEMA [IF NOT EXISTS] 数据库名字
0: jdbc:phoenix:CentOS> create schema if not exists jiangzz;
Error: ERROR 725 (43M08): Cannot create schema because config phoenix.schema.isNamespaceMappingEnabled for enabling name space mapping isn't enabled. schemaName=jiangzz (state=43M08,code=725)
java.sql.SQLException: ERROR 725 (43M08): Cannot create schema because config phoenix.schema.isNamespaceMappingEnabled for enabling name space mapping isn't enabled. schemaName=jiangzz
提示必须同时修改$HASE_HOME/conf/hbase-site.xml文件和 $PHOENIX_HOME/bin/hbase-site.xml文件，修改完成重启Hbase服务
<property>
<name>phoenix.schema.isNamespaceMappingEnabledname>
<value>truevalue>
property>
<property>
<name>phoenix.schema.mapSystemTablesToNamespacename>
<value>truevalue>
property>
0: jdbc:phoenix:CentOS> create schema if not exists jiangzz;
No rows affected (0.052 seconds)
USE
USE 数据库名
0: jdbc:phoenix:CentOS> use jiangzz;
No rows affected (0.003 seconds)
DROP SCHEMA
DROP SCHEMA IF EXISTS 数据库名
0: jdbc:phoenix:CentOS> drop schema if exists jiangzz;
No rows affected (0.005 seconds)
用户表
CREATE TABLE
CREATE TABLE IF NOT EXISTS [SCHEMA.]表名(
字段名 约束,
...
)
表选项
create table if not exists t_user(
id integer primary key ,
name varchar(128),
sex boolean,
birthDay date,
salary decimal(7,2)
)
DESC TABLE
!DESC [SCHEMA.]表名;
0: jdbc:phoenix:CentOS> !desc jiangzz.t_user;
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
| TABLE_CAT | TABLE_SCHEM | TABLE_NAME | COLUMN_NAME | DATA_TYPE | TYPE_NAME | COLUMN_SIZE | BUFF |
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
| | JIANGZZ | T_USER | ID | 4 | INTEGER | null | null |
| | JIANGZZ | T_USER | NAME | 12 | VARCHAR | 128 | null |
| | JIANGZZ | T_USER | SEX | 16 | BOOLEAN | null | null |
| | JIANGZZ | T_USER | BIRTHDAY | 91 | DATE | null | null |
| | JIANGZZ | T_USER | SALARY | 3 | DECIMAL | 7 | null |
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
DROP TABLE
DROP TABLE IF EXISTS 表名 [CASCADE]
0: jdbc:phoenix:CentOS> drop table if exists t_user cascade;
No rows affected (0.003 seconds)
cascade表示会将该表以及该表的所有依赖都给删除。
ALTER TABLE
ALTER (TABLE|VIEW) 表名 ADD [IF NOT EXISTS] 列名
ALTER (TABLE|VIEW) 表名 DROP COLUMN [IF EXISTS] 列名
ALTER (TABLE|VIEW) 表名 SET options
0: jdbc:phoenix:CentOS> !desc t_user;
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
| TABLE_CAT | TABLE_SCHEM | TABLE_NAME | COLUMN_NAME | DATA_TYPE | TYPE_NAME | COLUMN_SIZE | BUFF |
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
| | JIANGZZ | T_USER | ID | 4 | INTEGER | null | null |
| | JIANGZZ | T_USER | NAME | 12 | VARCHAR | 128 | null |
| | JIANGZZ | T_USER | SEX | 16 | BOOLEAN | null | null |
| | JIANGZZ | T_USER | BIRTHDAY | 91 | DATE | null | null |
| | JIANGZZ | T_USER | SALARY | 3 | DECIMAL | 7 | null |
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
0: jdbc:phoenix:CentOS> alter table t_user add if not exists age integer;
No rows affected (6.082 seconds)
0: jdbc:phoenix:CentOS> !desc t_user;
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
| TABLE_CAT | TABLE_SCHEM | TABLE_NAME | COLUMN_NAME | DATA_TYPE | TYPE_NAME | COLUMN_SIZE | BUFF |
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
| | JIANGZZ | T_USER | ID | 4 | INTEGER | null | null |
| | JIANGZZ | T_USER | NAME | 12 | VARCHAR | 128 | null |
| | JIANGZZ | T_USER | SEX | 16 | BOOLEAN | null | null |
| | JIANGZZ | T_USER | BIRTHDAY | 91 | DATE | null | null |
| | JIANGZZ | T_USER | SALARY | 3 | DECIMAL | 7 | null |
| | JIANGZZ | T_USER | AGE | 4 | INTEGER | null | null |
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
0: jdbc:phoenix:CentOS> alter table t_user drop column if exists age ;
20/01/10 19:17:32 WARN query.ConnectionQueryServicesImpl: Unable to update meta data repo within 1 seconds for T_USER
No rows affected (1.093 seconds)
0: jdbc:phoenix:CentOS> alter table t_user drop column if exists age ;
No rows affected (0.013 seconds)
0: jdbc:phoenix:CentOS> !desc t_user;
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
| TABLE_CAT | TABLE_SCHEM | TABLE_NAME | COLUMN_NAME | DATA_TYPE | TYPE_NAME | COLUMN_SIZE | BUFF |
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
| | JIANGZZ | T_USER | ID | 4 | INTEGER | null | null |
| | JIANGZZ | T_USER | NAME | 12 | VARCHAR | 128 | null |
| | JIANGZZ | T_USER | SEX | 16 | BOOLEAN | null | null |
| | JIANGZZ | T_USER | BIRTHDAY | 91 | DATE | null | null |
| | JIANGZZ | T_USER | SALARY | 3 | DECIMAL | 7 | null |
+------------+--------------+-------------+--------------+------------+------------+--------------+------+
0: jdbc:phoenix:CentOS> alter table t_user set TTL=100;
No rows affected (5.897 seconds)
0: jdbc:phoenix:CentOS> upsert into t_user(id,name,sex,birthDay,salary) values(1,'jiangzz',true,'1990-12-16',5000.00);
1 row affected (0.025 seconds)
0: jdbc:phoenix:CentOS> select * from t_user;
+-----+----------+-------+--------------------------+---------+
| ID | NAME | SEX | BIRTHDAY | SALARY |
+-----+----------+-------+--------------------------+---------+
| 1 | jiangzz | true | 1990-12-16 00:00:00.000 | 5E+3 |
+-----+----------+-------+--------------------------+---------+
1 row selected (0.125 seconds)
0: jdbc:phoenix:CentOS>
数据管理
插入&更新
0: jdbc:phoenix:CentOS> upsert into t_user(id,name,sex,birthDay,salary) values(1,'jiangzz',true,'1990-12-16',5000.00);
1 row affected (0.014 seconds)
删除数据
0: jdbc:phoenix:CentOS> delete from t_user where id=1;
1 row affected (0.007 seconds)
查询数据
0: jdbc:phoenix:CentOS> select * from t_user;
+-----+-----------+--------+--------------------------+---------+
| ID | NAME | SEX | BIRTHDAY | SALARY |
+-----+-----------+--------+--------------------------+---------+
| 1 | jiangzz | true | 1990-12-16 00:00:00.000 | 5E+3 |
| 2 | zhangsan | false | 1990-12-16 00:00:00.000 | 6E+3 |
+-----+-----------+--------+--------------------------+---------+
2 rows selected (0.055 seconds)
0: jdbc:phoenix:CentOS> select * from t_user where name like '%an%' order by salary desc limit 10;
+-----+-----------+--------+--------------------------+---------+
| ID | NAME | SEX | BIRTHDAY | SALARY |
+-----+-----------+--------+--------------------------+---------+
| 2 | zhangsan | false | 1990-12-16 00:00:00.000 | 6E+3 |
| 1 | jiangzz | true | 1990-12-16 00:00:00.000 | 5E+3 |
+-----+-----------+--------+--------------------------+---------+
2 rows selected (0.136 seconds)