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130718: crosscluster/logical: check for empty DLQ and fingerprint in ldr roachtests r=azhu-crl a=msbutler Epic: none Release note: none Co-authored-by: Michael Butler <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // Copyright 2024 The Cockroach Authors. | ||
| // | ||
| // Licensed as a CockroachDB Enterprise file under the Cockroach Community | ||
| // License (the "License"); you may not use this file except in compliance with | ||
| // the License. You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/cockroachdb/cockroach/blob/master/licenses/CCL.txt | ||
|
|
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| package replicationtestutils | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
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| "github.com/cockroachdb/cockroach/pkg/testutils/sqlutils" | ||
| "github.com/cockroachdb/errors" | ||
| ) | ||
|
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| func CheckEmptyDLQs(ctx context.Context, db sqlutils.DBHandle, dbName string) error { | ||
| dlqNameQuery := fmt.Sprintf("SELECT table_name FROM [SHOW TABLES FROM %s] where schema_name = 'crdb_replication'", dbName) | ||
| rows, err := db.QueryContext(ctx, dlqNameQuery) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to query dlq table name for database %s", dbName) | ||
| } | ||
| defer rows.Close() | ||
|
|
||
| var dlqTableName string | ||
| var dlqRowCount int | ||
| for rows.Next() { | ||
| if err := rows.Scan(&dlqTableName); err != nil { | ||
| return errors.Wrapf(err, "failed to scan dlq table name for database %s", dbName) | ||
| } | ||
| if err := db.QueryRowContext(ctx, fmt.Sprintf("SELECT count(*) FROM %s.crdb_replication.%s", dbName, dlqTableName)).Scan(&dlqRowCount); err != nil { | ||
| return err | ||
| } | ||
| if dlqRowCount != 0 { | ||
| return fmt.Errorf("expected DLQ to be empty, but found %d rows", dlqRowCount) | ||
| } | ||
| } | ||
| if dlqTableName == "" { | ||
| return errors.Newf("didn't find any any dlq tables in database %s", dbName) | ||
| } | ||
| return nil | ||
| } |
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