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use the latest sql plan to get the cost #924

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Merged
Junkrat77 merged 1 commit into from
Feb 3, 2026
Merged

use the latest sql plan to get the cost #924

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60 changes: 19 additions & 41 deletions internal/sql-analyzer/const/sql/sql_plan.go
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Original file line number Diff line number Diff line change
Expand Up @@ -83,56 +83,34 @@ const (
CheckPlanExistence = `SELECT COUNT(*) FROM sql_plan WHERE TENANT_ID = ? AND SVR_IP = ? AND SVR_PORT = ? AND PLAN_ID = ?`
GetPlanStats = `
WITH PlanAgg AS (
SELECT
TENANT_ID,
SVR_IP,
SVR_PORT,
PLAN_ID,
PLAN_HASH,
MAX(GMT_CREATE) as GMT_CREATE,
SUM(IO_COST) as IO_COST,
SUM(CPU_COST) as CPU_COST,
SUM(COST) as COST,
SUM(REAL_COST) as REAL_COST
FROM sql_plan
WHERE SQL_ID = ?
GROUP BY TENANT_ID, SVR_IP, SVR_PORT, PLAN_ID, PLAN_HASH
),
PlanStats AS (
SELECT
PLAN_HASH,
CAST(AVG(IO_COST) AS BIGINT) as IO_COST,
CAST(AVG(CPU_COST) AS BIGINT) as CPU_COST,
CAST(AVG(COST) AS BIGINT) as COST,
CAST(AVG(REAL_COST) AS BIGINT) as REAL_COST
FROM PlanAgg
GROUP BY PLAN_HASH
),
LatestPlan AS (
SELECT
TENANT_ID,
SVR_IP,
SVR_PORT,
PLAN_ID,
PLAN_HASH,
GMT_CREATE,
ROW_NUMBER() OVER (PARTITION BY PLAN_HASH ORDER BY GMT_CREATE DESC, PLAN_ID DESC) as rn
FROM PlanAgg
IO_COST,
CPU_COST,
COST,
REAL_COST,
ROW_NUMBER() OVER (PARTITION BY TENANT_ID, SVR_IP, SVR_PORT, PLAN_HASH ORDER BY GMT_CREATE DESC, PLAN_ID DESC) as rn
FROM sql_plan
WHERE SQL_ID = ? AND ID = 0
)
SELECT
lp.TENANT_ID,
lp.SVR_IP,
lp.SVR_PORT,
lp.PLAN_ID,
lp.PLAN_HASH,
lp.GMT_CREATE,
ps.IO_COST,
ps.CPU_COST,
ps.COST,
ps.REAL_COST
FROM LatestPlan lp
JOIN PlanStats ps ON lp.PLAN_HASH = ps.PLAN_HASH
WHERE lp.rn = 1
TENANT_ID,
SVR_IP,
SVR_PORT,
PLAN_ID,
PLAN_HASH,
GMT_CREATE,
IO_COST,
CPU_COST,
COST,
REAL_COST
FROM PlanAgg
WHERE rn = 1
`
GetTableInfo = `
SELECT
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3 changes: 2 additions & 1 deletion internal/sql-analyzer/generated/swagger/docs.go
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Expand Up @@ -333,7 +333,8 @@ const docTemplate = `{
"type": "integer"
},
"planHash": {
"type": "integer"
"type": "string",
"example": "0"
},
"planId": {
"type": "integer"
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3 changes: 2 additions & 1 deletion internal/sql-analyzer/generated/swagger/swagger.json
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Expand Up @@ -322,7 +322,8 @@
"type": "integer"
},
"planHash": {
"type": "integer"
"type": "string",
"example": "0"
},
"planId": {
"type": "integer"
Expand Down
3 changes: 2 additions & 1 deletion internal/sql-analyzer/generated/swagger/swagger.yaml
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Expand Up @@ -62,7 +62,8 @@ definitions:
ioCost:
type: integer
planHash:
type: integer
example: "0"
type: string
planId:
type: integer
realCost:
Expand Down