chore: add Add missing Tine Index constraint

GreptimeTeam · May 16, 2024 · 3b50119 · 3b50119
1 parent 6d1a505
commit 3b50119
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diff --git a/docs/nightly/en/user-guide/upgrade.md b/docs/nightly/en/user-guide/upgrade.md
@@ -150,8 +150,40 @@ CREATE TABLE IF NOT EXISTS "phy" (
 )
 ENGINE=metric
 WITH(
-  physical_metric_table = '',
-  regions = 1
+  physical_metric_table = ''
+);
+```
+
+#### Add missing Time Index constraint
+
+Before:
+```sql
+CREATE TABLE IF NOT EXISTS "phy" (
+  "ts" TIMESTAMP(3) NOT NULL,
+  "val" DOUBLE NULL,
+  "host" STRING NULL,
+  "job" STRING NULL,
+  PRIMARY KEY ("host", "job")
+)
+ENGINE=metric
+WITH(
+  physical_metric_table = ''
+);
+```
+
+After:
+```sql
+CREATE TABLE IF NOT EXISTS "phy" (
+  "ts" TIMESTAMP(3) NOT NULL,
+  "val" DOUBLE NULL,
+  "host" STRING NULL,
+  "job" STRING NULL,
+  PRIMARY KEY ("host", "job")
+  TIME INDEX ("ts")
+)
+ENGINE=metric
+WITH(
+  physical_metric_table = ''
 );
 ```
 

diff --git a/docs/nightly/zh/user-guide/upgrade.md b/docs/nightly/zh/user-guide/upgrade.md
@@ -169,11 +169,45 @@ CREATE TABLE IF NOT EXISTS "phy" (
 )
 ENGINE=metric
 WITH(
-  physical_metric_table = '',
-  regions = 1
+  physical_metric_table = ''
 );
 ```
 
+
+#### 添加缺失的 Time Index 约束
+
+修改前:
+```sql
+CREATE TABLE IF NOT EXISTS "phy" (
+  "ts" TIMESTAMP(3) NOT NULL,
+  "val" DOUBLE NULL,
+  "host" STRING NULL,
+  "job" STRING NULL,
+  PRIMARY KEY ("host", "job")
+)
+ENGINE=metric
+WITH(
+  physical_metric_table = ''
+);
+```
+
+修改后:
+```sql
+CREATE TABLE IF NOT EXISTS "phy" (
+  "ts" TIMESTAMP(3) NOT NULL,
+  "val" DOUBLE NULL,
+  "host" STRING NULL,
+  "job" STRING NULL,
+  PRIMARY KEY ("host", "job")
+  TIME INDEX ("ts")
+)
+ENGINE=metric
+WITH(
+  physical_metric_table = ''
+);
+```
+
+
 ### 导入表结构和数据
 
 然后您需要执行上一步生成的 SQL 文件。首先是 `greptime-public.sql`。在之前的步骤中导出的 SQL 语句使用的是 PostgreSQL 方言，接下来的操作都将通过 [PG 协议](/user-guide/clients/postgresql.md)来进行。本文档假设客户端为 `psql`。