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ba33c258f7
## What changed? Add SQL support for matching task fairness. Based on #8043 with some changes to reduce code duplication (can be applied to cassandra later). ## Why? Support all persistence implementations. ## How did you test it? - [x] covered by existing tests - [x] added new unit test(s) --------- Co-authored-by: sivagirish81 <[email protected]>
99 lines
2.6 KiB
Go
99 lines
2.6 KiB
Go
package sqlite
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import (
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"context"
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"database/sql"
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"go.temporal.io/api/serviceerror"
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"go.temporal.io/server/common/persistence/sql/sqlplugin"
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)
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const (
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getTaskV2Qry = `SELECT task_id, data, data_encoding ` +
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`FROM tasks_v2 ` +
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`WHERE range_hash = ? ` +
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`AND task_queue_id = ? ` +
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`AND (pass, task_id) >= (?, ?) ` +
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`ORDER BY pass, task_id`
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getTaskV2QryWithLimit = getTaskV2Qry + ` LIMIT ?`
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createTaskV2Qry = `INSERT INTO ` +
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`tasks_v2 ( range_hash, task_queue_id, task_id, pass, data, data_encoding) ` +
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`VALUES (:range_hash, :task_queue_id, :task_id, :task_pass, :data, :data_encoding)`
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rangeDeleteTaskV2Qry = `DELETE FROM tasks_v2 ` +
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`WHERE range_hash = ? AND task_queue_id = ? AND task_id IN (SELECT task_id FROM ` +
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`tasks_v2 WHERE range_hash = ? AND task_queue_id = ? AND (pass, task_id) < (?, ?) ` +
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`ORDER BY task_queue_id, pass, task_id LIMIT ? ) `
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)
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// InsertIntoTasks inserts one or more rows into tasks_v2 table
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func (mdb *db) InsertIntoTasksV2(
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ctx context.Context,
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rows []sqlplugin.TasksRowV2,
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) (sql.Result, error) {
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return mdb.conn.NamedExecContext(ctx,
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createTaskV2Qry,
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rows,
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)
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}
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// SelectFromTasks reads one or more rows from tasks_v2 table
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func (mdb *db) SelectFromTasksV2(
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ctx context.Context,
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filter sqlplugin.TasksFilterV2,
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) ([]sqlplugin.TasksRowV2, error) {
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if filter.InclusiveMinLevel == nil {
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return nil, serviceerror.NewInternal("missing InclusiveMinLevel")
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}
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var err error
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var rows []sqlplugin.TasksRowV2
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switch {
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case filter.PageSize != nil:
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err = mdb.conn.SelectContext(ctx,
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&rows, getTaskV2QryWithLimit,
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filter.RangeHash,
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filter.TaskQueueID,
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filter.InclusiveMinLevel.TaskPass,
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filter.InclusiveMinLevel.TaskID,
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*filter.PageSize,
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)
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default:
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err = mdb.conn.SelectContext(ctx,
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&rows, getTaskV2Qry,
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filter.RangeHash,
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filter.TaskQueueID,
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filter.InclusiveMinLevel.TaskPass,
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filter.InclusiveMinLevel.TaskID,
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)
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}
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if err != nil {
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return nil, err
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}
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return rows, nil
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}
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// DeleteFromTasks deletes one or more rows from tasks_v2 table
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func (mdb *db) DeleteFromTasksV2(
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ctx context.Context,
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filter sqlplugin.TasksFilterV2,
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) (sql.Result, error) {
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if filter.ExclusiveMaxLevel == nil {
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return nil, serviceerror.NewInternal("missing ExclusiveMaxTaskLevel")
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}
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if filter.Limit == nil || *filter.Limit == 0 {
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return nil, serviceerror.NewInternal("missing limit parameter")
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}
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return mdb.conn.ExecContext(ctx,
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rangeDeleteTaskV2Qry,
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filter.RangeHash,
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filter.TaskQueueID,
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filter.RangeHash,
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filter.TaskQueueID,
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filter.ExclusiveMaxLevel.TaskPass,
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filter.ExclusiveMaxLevel.TaskID,
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*filter.Limit,
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)
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}
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