| 1 | vnodes | SMALLINT | Current number of vnodes on the dnode. It should be noted that `vnodes` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
| 1 | vnodes | SMALLINT | Current number of vnodes on the dnode. It should be noted that `vnodes` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
| 2 | support_vnodes | SMALLINT | Maximum number of vnodes on the dnode |
| 2 | support_vnodes | SMALLINT | Maximum number of vnodes on the dnode |
| 3 | status | BINARY(10) | Current status |
| 3 | status | BINARY(10) | Current status |
...
@@ -43,7 +43,7 @@ Provides information about dnodes. Similar to SHOW DNODES.
...
@@ -43,7 +43,7 @@ Provides information about dnodes. Similar to SHOW DNODES.
Provides information about mnodes. Similar to SHOW MNODES.
Provides information about mnodes. Similar to SHOW MNODES.
| 3 | ntables | INT | Number of standard tables and subtables (not including supertables) |
| 3 | ntables | INT | Number of standard tables and subtables (not including supertables) |
| 4 | vgroups | INT | Number of vgroups. It should be noted that `vnodes` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
| 4 | vgroups | INT | Number of vgroups. It should be noted that `vnodes` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
...
@@ -112,7 +112,7 @@ Provides information about user-created databases. Similar to SHOW DATABASES.
...
@@ -112,7 +112,7 @@ Provides information about user-created databases. Similar to SHOW DATABASES.
Provides information about user-defined functions.
Provides information about user-defined functions.
| 2 | comment | BINARY(255) | Function description. It should be noted that `comment` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
| 2 | comment | BINARY(255) | Function description. It should be noted that `comment` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
| 3 | aggregate | INT | Whether the UDF is an aggregate function. It should be noted that `aggregate` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
| 3 | aggregate | INT | Whether the UDF is an aggregate function. It should be noted that `aggregate` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
...
@@ -122,27 +122,27 @@ Provides information about user-defined functions.
...
@@ -122,27 +122,27 @@ Provides information about user-defined functions.
| 1 | version | BINARY(9) | Whether the deployment is a licensed or trial version |
| 1 | version | BINARY(9) | Whether the deployment is a licensed or trial version |
| 2 | cpu_cores | BINARY(9) | CPU cores included in license |
| 2 | cpu_cores | BINARY(9) | CPU cores included in license |
| 3 | dnodes | BINARY(10) | Dnodes included in license. It should be noted that `dnodes` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
| 3 | dnodes | BINARY(10) | Dnodes included in license. It should be noted that `dnodes` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
...
@@ -232,7 +232,7 @@ Provides information about TDengine Enterprise Edition permissions.
...
@@ -232,7 +232,7 @@ Provides information about TDengine Enterprise Edition permissions.
| 3 | tables | INT | Tables in vgroup. It should be noted that `tables` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
| 3 | tables | INT | Tables in vgroup. It should be noted that `tables` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
...
@@ -252,7 +252,7 @@ Provides information about vgroups.
...
@@ -252,7 +252,7 @@ Provides information about vgroups.
@@ -46,10 +46,6 @@ SELECT _wstart,_wend,_wduration,max(c2),min(c1) FROM st1 INTERVAL(5m,10s) SLIDIN
...
@@ -46,10 +46,6 @@ SELECT _wstart,_wend,_wduration,max(c2),min(c1) FROM st1 INTERVAL(5m,10s) SLIDIN
ALTERLOCAL'querySmaOptimize''0';
ALTERLOCAL'querySmaOptimize''0';
```
```
### FULLTEXT Indexing
Creates a text index for the specified column. FULLTEXT indexing improves performance for queries with text filtering. The index_option syntax is not supported for FULLTEXT indexing. FULLTEXT indexing is supported for JSON tag columns only. Multiple columns cannot be indexed together. However, separate indices can be created for each column.