qifanzhang-ms commented on code in PR #2698:
URL: https://github.com/apache/arrow-adbc/pull/2698#discussion_r2050342068
##########
csharp/src/Drivers/BigQuery/BigQueryStatement.cs:
##########
@@ -51,52 +51,60 @@ public BigQueryStatement(BigQueryClient client,
GoogleCredential credential)
public override QueryResult ExecuteQuery()
{
+ // Create job
QueryOptions queryOptions = ValidateOptions();
-
BigQueryJob job = this.client.CreateQueryJob(SqlQuery, null,
queryOptions);
+ // Get results
GetQueryResultsOptions getQueryResultsOptions = new
GetQueryResultsOptions();
-
if
(this.Options?.TryGetValue(BigQueryParameters.GetQueryResultsOptionsTimeout,
out string? timeoutSeconds) == true &&
int.TryParse(timeoutSeconds, out int seconds) &&
seconds >= 0)
{
getQueryResultsOptions.Timeout = TimeSpan.FromSeconds(seconds);
}
-
BigQueryResults results =
job.GetQueryResults(getQueryResultsOptions);
- BigQueryReadClientBuilder readClientBuilder = new
BigQueryReadClientBuilder();
- readClientBuilder.Credential = this.credential;
- BigQueryReadClient readClient = readClientBuilder.Build();
-
+ // For multi-statement queries, the results.TableReference is null
if (results.TableReference == null)
{
- // To get the results of all statements in a multi-statement
query, enumerate the child jobs and call jobs.getQueryResults on each of them.
- // Related public docs:
https://cloud.google.com/bigquery/docs/multi-statement-queries#get_all_executed_statements
+ string statementType = string.Empty;
+ if
(this.Options?.TryGetValue(BigQueryParameters.StatementType, out string?
statementTypeString) == true)
+ {
+ statementType = statementTypeString;
+ }
+ string evaluationKind = string.Empty;
+ if
(this.Options?.TryGetValue(BigQueryParameters.EvaluationKind, out string?
evaluationKindString) == true)
+ {
+ evaluationKind = evaluationKindString;
+ }
+
+ // To get the results of all statements in a multi-statement
query, enumerate the child jobs. Related public docs:
https://cloud.google.com/bigquery/docs/multi-statement-queries#get_all_executed_statements.
+ // Can filter by StatementType and EvaluationKind. Related
public docs:
https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#jobstatistics2,
https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#evaluationkind
ListJobsOptions listJobsOptions = new ListJobsOptions();
listJobsOptions.ParentJobId = results.JobReference.JobId;
- PagedEnumerable<JobList, BigQueryJob> joblist =
client.ListJobs(listJobsOptions);
- BigQueryJob firstQueryJob = new BigQueryJob(client,
job.Resource);
- foreach (BigQueryJob childJob in joblist)
+ var joblist = client.ListJobs(listJobsOptions)
+ .Select(job => client.GetJob(job.Reference))
+ .Where(job => string.IsNullOrEmpty(evaluationKind) ||
job.Statistics.ScriptStatistics.EvaluationKind.Equals(evaluationKind,
StringComparison.OrdinalIgnoreCase))
+ .Where(job => string.IsNullOrEmpty(statementType) ||
job.Statistics.Query.StatementType.Equals(statementType,StringComparison.OrdinalIgnoreCase))
+ .OrderBy(job => job.Resource.Statistics.CreationTime)
Review Comment:
The order of jobs on the gbq service portal is based on creationTime.
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