server: update sort of sql stats to new computed columns

Part of cockroachdb#98624
To take advantage of the actual indexes created on the new
persisted views, we need to use the computed columns.
This PR updates the sort by column to use the new columns
instead.

Release note: None

pkg/server/combined_statement_stats.go

@@ -208,12 +208,12 @@ FROM crdb_internal.%s_statistics_persisted
 
 // Common stmt and txn columns to sort on.
 const (
-	sortSvcLatDesc         = `(statistics -> 'statistics' -> 'svcLat' ->> 'mean')::FLOAT DESC`
-	sortCPUTimeDesc        = `(statistics -> 'statistics' -> 'execution_statistics' -> 'cpuSQLNanos' ->> 'mean')::FLOAT DESC`
-	sortExecCountDesc      = `(statistics -> 'statistics' ->> 'cnt')::INT DESC`
-	sortContentionTimeDesc = `(statistics -> 'execution_statistics' -> 'contentionTime' ->> 'mean')::FLOAT DESC`
-	sortPCTRuntimeDesc     = `((statistics -> 'statistics' -> 'svcLat' ->> 'mean')::FLOAT *
-                         (statistics -> 'statistics' ->> 'cnt')::FLOAT) DESC`
+	sortSvcLatDesc         = `service_latency DESC`
+	sortCPUTimeDesc        = `cpu_sql_nanos DESC`
+	sortExecCountDesc      = `execution_count DESC`
+	sortContentionTimeDesc = `contention_time DESC`
+	sortPCTRuntimeDesc     = `total_estimated_execution_time DESC`
+	sortP99Desc            = `p99_latency DESC`
 )
 
 func getStmtColumnFromSortOption(sort serverpb.StatsSortOptions) string {
@@ -225,7 +225,7 @@ func getStmtColumnFromSortOption(sort serverpb.StatsSortOptions) string {
 	case serverpb.StatsSortOptions_EXECUTION_COUNT:
 		return sortExecCountDesc
 	case serverpb.StatsSortOptions_P99_STMTS_ONLY:
-		return `(statistics -> 'statistics' -> 'latencyInfo' ->> 'p99')::FLOAT DESC`
+		return sortP99Desc
 	case serverpb.StatsSortOptions_CONTENTION_TIME:
 		return sortContentionTimeDesc
 	default: