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- Querying Whether SQL Explorer and Slow Query Log Are Enabled
- Exporting Slow Query Logs
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- Querying Concurrency Control Rules of SQL Statements
- Generate Keywords of a Concurrency Control Rule from the Original SQL Statement
- Creating a Concurrency Control Rule for SQL Statements
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- Querying SQL Statement Concurrency Control Tasks
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- Exporting the Slow SQL Template List
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Exporting the Top SQL Template List
Function
This API is used to export the Top SQL template list after Top SQL is enabled. This function is available only for paid instances. The maximum query interval is one hour.
URI
GET /v3/{project_id}/instances/{instance_id}/top-sql-templates
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Project ID. To obtain this value, see Obtaining a Project ID. |
instance_id |
Yes |
String |
Instance ID. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
start_at |
Yes |
Long |
Start time in Unix timestamp format, in milliseconds. |
end_at |
Yes |
Long |
End time in Unix timestamp format, in milliseconds. |
datastore_type |
Yes |
String |
Database type, which can be MySQL and TaurusDB |
node_id |
No |
String |
Node ID |
sort |
No |
String |
Sorting field (executeNum: execution times; totalCost: total duration; avgCost: average duration; totalScan: scanned rows; avgScan: average scanned rows). Default value: avgCost Enumerated values:
|
asc |
No |
Boolean |
Sorting sequence. true indicates ascending order and false indicates descending order. Default value: false |
offset |
No |
Integer |
Offset. If offset is set to N, the resource query starts from the N+1 piece of data. The value is 0 by default, indicating that the query starts from the first piece of data. The value must be a number but cannot be a negative number. |
limit |
No |
Integer |
Number of records displayed on each page. The default value is 20 and the maximum value is 100. |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
X-Auth-Token |
Yes |
String |
User token. |
X-Language |
No |
String |
Request language type. Enumerated values:
|
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
top_sql_templates |
Array of TopSqlTemplate objects |
SQL templates. |
total_count |
Integer |
Total number of SQL templates |
Parameter |
Type |
Description |
---|---|---|
sql_template |
String |
SQL templates. |
sql_sample_string |
String |
Example SQL. |
sql_type |
String |
SQL type. |
db_name |
String |
Database name. |
execute_num |
Long |
Total executions. |
total_cost |
Double |
Total duration (ms). |
avg_cost |
Double |
Average duration (ms). |
avg_rows_sent |
Double |
Avg. rows returned. |
avg_rows_affected |
Double |
Avg. rows affected. |
avg_lock_time |
Double |
Avg. lock wait time (ms). |
total_rows_examined |
Double |
Total scanned rows. |
avg_rows_examined |
Double |
Avg. rows scanned. |
total_cost_ratio |
String |
Total duration (%). |
total_examined_ratio |
String |
Scanned rows (%). |
execute_num_ratio |
String |
Execution times (%). |
Status code: 400
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code. Minimum length: 8 characters Maximum length: 36 characters |
error_msg |
String |
Error message. Minimum length: 2 characters Maximum length: 512 characters |
Status code: 500
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code. Minimum length: 8 characters Maximum length: 36 characters |
error_msg |
String |
Error message. Minimum length: 2 characters Maximum length: 512 characters |
Example Request
Exporting the Top SQL template list
GET https://das.cn-north-1.myhuaweicloud.com/v3/054c630ff780d4cc2f40c00d7f6fb21d/instances/6243b3fcf2f948578d46ed4c52fb54eein01/top-sql-templates?start_at=1611975464337&end_at=1611979064337&node_id=fec05693c76c4f389561051db430324cno01&sort=avgCost&asc=true&datastore_type=MySQL&offset=0&limit=10
Example Response
Status code: 200
Success
{ "top_sql_templates" : [ { "db_name" : "db_01", "execute_num" : 30, "avg_rows_examined" : 0, "total_cost_ratio" : "100.00%", "avg_lock_time" : 0, "sql_template" : "SELECT sleep(?)", "avg_rows_affected" : 0, "avg_rows_sent" : 1, "avg_cost" : 5000.266666666666, "execute_num_ratio" : "23.81%", "total_examined_ratio" : "-", "sql_type" : "select", "total_cost" : 150008, "total_rows_examined" : 0, "sql_sample_string" : "select sleep(5)" } ], "total_count" : 1 }
Status Codes
Status Code |
Description |
---|---|
200 |
Success |
400 |
Client error |
500 |
Server error |
Error Codes
For details, see Error Codes.
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