mirror of
https://github.com/zitadel/zitadel.git
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56df515e5f
* chore: use pgx v5 * chore: update go version * remove direct pq dependency * remove unnecessary type * scan test * map scanner * converter * uint8 number array * duration * most unit tests work * unit tests work * chore: coverage * go 1.21 * linting * int64 gopfertammi * retry go 1.22 * retry go 1.22 * revert to go v1.21.5 * update go toolchain to 1.21.8 * go 1.21.8 * remove test flag * go 1.21.5 * linting * update toolchain * use correct array * use correct array * add byte array * correct value * correct error message * go 1.21 compatible
447 lines
14 KiB
Go
447 lines
14 KiB
Go
package sql
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import (
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"context"
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"database/sql"
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"encoding/json"
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"errors"
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"regexp"
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"strconv"
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"strings"
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"github.com/cockroachdb/cockroach-go/v2/crdb"
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"github.com/jackc/pgx/v5/pgconn"
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"github.com/zitadel/logging"
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"github.com/zitadel/zitadel/internal/api/authz"
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"github.com/zitadel/zitadel/internal/database"
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"github.com/zitadel/zitadel/internal/database/dialect"
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"github.com/zitadel/zitadel/internal/eventstore"
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"github.com/zitadel/zitadel/internal/eventstore/repository"
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"github.com/zitadel/zitadel/internal/zerrors"
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)
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const (
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//as soon as stored procedures are possible in crdb
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// we could move the code to migrations and call the procedure
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// traking issue: https://github.com/cockroachdb/cockroach/issues/17511
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//
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//previous_data selects the needed data of the latest event of the aggregate
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// and buffers it (crdb inmemory)
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crdbInsert = "WITH previous_data (aggregate_type_sequence, aggregate_sequence, resource_owner) AS (" +
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"SELECT agg_type.seq, agg.seq, agg.ro FROM " +
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"(" +
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//max sequence of requested aggregate type
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" SELECT MAX(event_sequence) seq, 1 join_me" +
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" FROM eventstore.events" +
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" WHERE aggregate_type = $2" +
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" AND (CASE WHEN $9::TEXT IS NULL THEN instance_id is null else instance_id = $9::TEXT END)" +
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") AS agg_type " +
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// combined with
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"LEFT JOIN " +
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"(" +
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// max sequence and resource owner of aggregate root
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" SELECT event_sequence seq, resource_owner ro, 1 join_me" +
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" FROM eventstore.events" +
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" WHERE aggregate_type = $2 AND aggregate_id = $3" +
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" AND (CASE WHEN $9::TEXT IS NULL THEN instance_id is null else instance_id = $9::TEXT END)" +
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" ORDER BY event_sequence DESC" +
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" LIMIT 1" +
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") AS agg USING(join_me)" +
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") " +
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"INSERT INTO eventstore.events (" +
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" event_type," +
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" aggregate_type," +
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" aggregate_id," +
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" aggregate_version," +
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" creation_date," +
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" position," +
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" event_data," +
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" editor_user," +
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" editor_service," +
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" resource_owner," +
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" instance_id," +
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" event_sequence," +
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" previous_aggregate_sequence," +
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" previous_aggregate_type_sequence," +
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" in_tx_order" +
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") " +
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// defines the data to be inserted
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"SELECT" +
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" $1::VARCHAR AS event_type," +
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" $2::VARCHAR AS aggregate_type," +
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" $3::VARCHAR AS aggregate_id," +
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" $4::VARCHAR AS aggregate_version," +
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" hlc_to_timestamp(cluster_logical_timestamp()) AS creation_date," +
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" cluster_logical_timestamp() AS position," +
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" $5::JSONB AS event_data," +
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" $6::VARCHAR AS editor_user," +
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" $7::VARCHAR AS editor_service," +
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" COALESCE((resource_owner), $8::VARCHAR) AS resource_owner," +
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" $9::VARCHAR AS instance_id," +
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" COALESCE(aggregate_sequence, 0)+1," +
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" aggregate_sequence AS previous_aggregate_sequence," +
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" aggregate_type_sequence AS previous_aggregate_type_sequence," +
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" $10 AS in_tx_order " +
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"FROM previous_data " +
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"RETURNING id, event_sequence, creation_date, resource_owner, instance_id"
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uniqueInsert = `INSERT INTO eventstore.unique_constraints
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(
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unique_type,
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unique_field,
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instance_id
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)
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VALUES (
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$1,
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$2,
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$3
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)`
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uniqueDelete = `DELETE FROM eventstore.unique_constraints
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WHERE unique_type = $1 and unique_field = $2 and instance_id = $3`
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uniqueDeleteInstance = `DELETE FROM eventstore.unique_constraints
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WHERE instance_id = $1`
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)
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// awaitOpenTransactions ensures event ordering, so we don't events younger that open transactions
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var (
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awaitOpenTransactionsV1 string
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awaitOpenTransactionsV2 string
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)
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func awaitOpenTransactions(useV1 bool) string {
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if useV1 {
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return awaitOpenTransactionsV1
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}
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return awaitOpenTransactionsV2
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}
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type CRDB struct {
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*database.DB
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}
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func NewCRDB(client *database.DB) *CRDB {
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switch client.Type() {
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case "cockroach":
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awaitOpenTransactionsV1 = " AND creation_date::TIMESTAMP < (SELECT COALESCE(MIN(start), NOW())::TIMESTAMP FROM crdb_internal.cluster_transactions where application_name = '" + dialect.EventstorePusherAppName + "')"
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awaitOpenTransactionsV2 = ` AND hlc_to_timestamp("position") < (SELECT COALESCE(MIN(start), NOW())::TIMESTAMP FROM crdb_internal.cluster_transactions where application_name = '` + dialect.EventstorePusherAppName + `')`
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case "postgres":
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awaitOpenTransactionsV1 = ` AND EXTRACT(EPOCH FROM created_at) < (SELECT COALESCE(EXTRACT(EPOCH FROM min(xact_start)), EXTRACT(EPOCH FROM now())) FROM pg_stat_activity WHERE datname = current_database() AND application_name = '` + dialect.EventstorePusherAppName + `' AND state <> 'idle')`
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awaitOpenTransactionsV2 = ` AND "position" < (SELECT COALESCE(EXTRACT(EPOCH FROM min(xact_start)), EXTRACT(EPOCH FROM now())) FROM pg_stat_activity WHERE datname = current_database() AND application_name = '` + dialect.EventstorePusherAppName + `' AND state <> 'idle')`
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}
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return &CRDB{client}
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}
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func (db *CRDB) Health(ctx context.Context) error { return db.Ping() }
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// Push adds all events to the eventstreams of the aggregates.
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// This call is transaction save. The transaction will be rolled back if one event fails
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func (db *CRDB) Push(ctx context.Context, commands ...eventstore.Command) (events []eventstore.Event, err error) {
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events = make([]eventstore.Event, len(commands))
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err = crdb.ExecuteTx(ctx, db.DB.DB, nil, func(tx *sql.Tx) error {
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var uniqueConstraints []*eventstore.UniqueConstraint
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for i, command := range commands {
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if command.Aggregate().InstanceID == "" {
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command.Aggregate().InstanceID = authz.GetInstance(ctx).InstanceID()
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}
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var payload []byte
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if command.Payload() != nil {
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payload, err = json.Marshal(command.Payload())
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if err != nil {
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return err
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}
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}
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e := &repository.Event{
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Typ: command.Type(),
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Data: payload,
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EditorUser: command.Creator(),
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Version: command.Aggregate().Version,
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AggregateID: command.Aggregate().ID,
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AggregateType: command.Aggregate().Type,
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ResourceOwner: sql.NullString{String: command.Aggregate().ResourceOwner, Valid: command.Aggregate().ResourceOwner != ""},
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InstanceID: command.Aggregate().InstanceID,
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}
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err := tx.QueryRowContext(ctx, crdbInsert,
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e.Type(),
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e.Aggregate().Type,
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e.Aggregate().ID,
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e.Aggregate().Version,
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payload,
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e.Creator(),
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"zitadel",
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e.Aggregate().ResourceOwner,
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e.Aggregate().InstanceID,
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i,
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).Scan(&e.ID, &e.Seq, &e.CreationDate, &e.ResourceOwner, &e.InstanceID)
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if err != nil {
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logging.WithFields(
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"aggregate", e.Aggregate().Type,
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"aggregateId", e.Aggregate().ID,
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"aggregateType", e.Aggregate().Type,
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"eventType", e.Type(),
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"instanceID", e.Aggregate().InstanceID,
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).WithError(err).Debug("query failed")
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return zerrors.ThrowInternal(err, "SQL-SBP37", "unable to create event")
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}
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uniqueConstraints = append(uniqueConstraints, command.UniqueConstraints()...)
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events[i] = e
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}
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return db.handleUniqueConstraints(ctx, tx, uniqueConstraints...)
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})
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if err != nil && !errors.Is(err, &zerrors.ZitadelError{}) {
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err = zerrors.ThrowInternal(err, "SQL-DjgtG", "unable to store events")
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}
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return events, err
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}
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// handleUniqueConstraints adds or removes unique constraints
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func (db *CRDB) handleUniqueConstraints(ctx context.Context, tx *sql.Tx, uniqueConstraints ...*eventstore.UniqueConstraint) (err error) {
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if len(uniqueConstraints) == 0 || (len(uniqueConstraints) == 1 && uniqueConstraints[0] == nil) {
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return nil
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}
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for _, uniqueConstraint := range uniqueConstraints {
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uniqueConstraint.UniqueField = strings.ToLower(uniqueConstraint.UniqueField)
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switch uniqueConstraint.Action {
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case eventstore.UniqueConstraintAdd:
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_, err := tx.ExecContext(ctx, uniqueInsert, uniqueConstraint.UniqueType, uniqueConstraint.UniqueField, authz.GetInstance(ctx).InstanceID())
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if err != nil {
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logging.WithFields(
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"unique_type", uniqueConstraint.UniqueType,
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"unique_field", uniqueConstraint.UniqueField).WithError(err).Info("insert unique constraint failed")
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if db.isUniqueViolationError(err) {
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return zerrors.ThrowAlreadyExists(err, "SQL-wHcEq", uniqueConstraint.ErrorMessage)
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}
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return zerrors.ThrowInternal(err, "SQL-dM9ds", "unable to create unique constraint")
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}
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case eventstore.UniqueConstraintRemove:
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_, err := tx.ExecContext(ctx, uniqueDelete, uniqueConstraint.UniqueType, uniqueConstraint.UniqueField, authz.GetInstance(ctx).InstanceID())
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if err != nil {
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logging.WithFields(
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"unique_type", uniqueConstraint.UniqueType,
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"unique_field", uniqueConstraint.UniqueField).WithError(err).Info("delete unique constraint failed")
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return zerrors.ThrowInternal(err, "SQL-6n88i", "unable to remove unique constraint")
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}
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case eventstore.UniqueConstraintInstanceRemove:
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_, err := tx.ExecContext(ctx, uniqueDeleteInstance, authz.GetInstance(ctx).InstanceID())
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if err != nil {
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logging.WithFields(
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"instance_id", authz.GetInstance(ctx).InstanceID()).WithError(err).Info("delete instance unique constraints failed")
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return zerrors.ThrowInternal(err, "SQL-6n88i", "unable to remove unique constraints of instance")
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}
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}
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}
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return nil
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}
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// FilterToReducer finds all events matching the given search query and passes them to the reduce function.
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func (crdb *CRDB) FilterToReducer(ctx context.Context, searchQuery *eventstore.SearchQueryBuilder, reduce eventstore.Reducer) error {
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err := query(ctx, crdb, searchQuery, reduce, false)
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if err == nil {
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return nil
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}
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pgErr := new(pgconn.PgError)
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// check events2 not exists
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if errors.As(err, &pgErr) && pgErr.Code == "42P01" {
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return query(ctx, crdb, searchQuery, reduce, true)
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}
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return err
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}
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// LatestSequence returns the latest sequence found by the search query
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func (db *CRDB) LatestSequence(ctx context.Context, searchQuery *eventstore.SearchQueryBuilder) (float64, error) {
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var position sql.NullFloat64
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err := query(ctx, db, searchQuery, &position, false)
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return position.Float64, err
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}
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// InstanceIDs returns the instance ids found by the search query
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func (db *CRDB) InstanceIDs(ctx context.Context, searchQuery *eventstore.SearchQueryBuilder) ([]string, error) {
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var ids []string
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err := query(ctx, db, searchQuery, &ids, false)
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if err != nil {
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return nil, err
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}
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return ids, nil
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}
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func (db *CRDB) db() *database.DB {
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return db.DB
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}
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func (db *CRDB) orderByEventSequence(desc, useV1 bool) string {
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if useV1 {
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if desc {
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return ` ORDER BY event_sequence DESC`
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}
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return ` ORDER BY event_sequence`
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}
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if desc {
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return ` ORDER BY "position" DESC, in_tx_order DESC`
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}
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return ` ORDER BY "position", in_tx_order`
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}
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func (db *CRDB) eventQuery(useV1 bool) string {
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if useV1 {
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return "SELECT" +
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" creation_date" +
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", event_type" +
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", event_sequence" +
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", event_data" +
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", editor_user" +
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", resource_owner" +
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", instance_id" +
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", aggregate_type" +
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", aggregate_id" +
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", aggregate_version" +
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" FROM eventstore.events"
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}
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return "SELECT" +
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" created_at" +
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", event_type" +
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`, "sequence"` +
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`, "position"` +
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", payload" +
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", creator" +
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`, "owner"` +
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", instance_id" +
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", aggregate_type" +
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", aggregate_id" +
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", revision" +
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" FROM eventstore.events2"
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}
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func (db *CRDB) maxSequenceQuery(useV1 bool) string {
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if useV1 {
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return `SELECT event_sequence FROM eventstore.events`
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}
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return `SELECT "position" FROM eventstore.events2`
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}
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func (db *CRDB) instanceIDsQuery(useV1 bool) string {
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table := "eventstore.events2"
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if useV1 {
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table = "eventstore.events"
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}
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return "SELECT DISTINCT instance_id FROM " + table
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}
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func (db *CRDB) columnName(col repository.Field, useV1 bool) string {
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switch col {
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case repository.FieldAggregateID:
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return "aggregate_id"
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case repository.FieldAggregateType:
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return "aggregate_type"
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case repository.FieldSequence:
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if useV1 {
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return "event_sequence"
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}
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return `"sequence"`
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case repository.FieldResourceOwner:
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if useV1 {
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return "resource_owner"
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}
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return `"owner"`
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case repository.FieldInstanceID:
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return "instance_id"
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case repository.FieldEditorService:
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if useV1 {
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return "editor_service"
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}
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return ""
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case repository.FieldEditorUser:
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if useV1 {
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return "editor_user"
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}
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return "creator"
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case repository.FieldEventType:
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return "event_type"
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case repository.FieldEventData:
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if useV1 {
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return "event_data"
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}
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return "payload"
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case repository.FieldCreationDate:
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if useV1 {
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return "creation_date"
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}
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return "created_at"
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case repository.FieldPosition:
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return `"position"`
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default:
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return ""
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}
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}
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func (db *CRDB) conditionFormat(operation repository.Operation) string {
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switch operation {
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case repository.OperationIn:
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return "%s %s ANY(?)"
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case repository.OperationNotIn:
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return "%s %s ALL(?)"
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}
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return "%s %s ?"
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}
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func (db *CRDB) operation(operation repository.Operation) string {
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switch operation {
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case repository.OperationEquals, repository.OperationIn:
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return "="
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case repository.OperationGreater:
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return ">"
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case repository.OperationLess:
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return "<"
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case repository.OperationJSONContains:
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return "@>"
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case repository.OperationNotIn:
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return "<>"
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}
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return ""
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}
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var (
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placeholder = regexp.MustCompile(`\?`)
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)
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// placeholder replaces all "?" with postgres placeholders ($<NUMBER>)
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func (db *CRDB) placeholder(query string) string {
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occurances := placeholder.FindAllStringIndex(query, -1)
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if len(occurances) == 0 {
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return query
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}
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replaced := query[:occurances[0][0]]
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for i, l := range occurances {
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nextIDX := len(query)
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if i < len(occurances)-1 {
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nextIDX = occurances[i+1][0]
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}
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replaced = replaced + "$" + strconv.Itoa(i+1) + query[l[1]:nextIDX]
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}
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return replaced
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}
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func (db *CRDB) isUniqueViolationError(err error) bool {
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if pgxErr, ok := err.(*pgconn.PgError); ok {
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if pgxErr.Code == "23505" {
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return true
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}
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}
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return false
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}
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