multica/server/pkg/db/generated/workspace_delete.sql.go

// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.31.1
// source: workspace_delete.sql

package db

import (
	"context"

	"github.com/jackc/pgx/v5/pgtype"
)

const deleteTaskBatch = `-- name: DeleteTaskBatch :exec
WITH
batch AS MATERIALIZED (
    SELECT id FROM unnest($1::uuid[]) AS t(id)
),
deleted_task_usage AS (
    DELETE FROM task_usage WHERE task_id IN (SELECT id FROM batch)
),
deleted_task_messages AS (
    DELETE FROM task_message WHERE task_id IN (SELECT id FROM batch)
),
deleted_task_tokens AS (
    DELETE FROM task_token WHERE task_id IN (SELECT id FROM batch)
),
deleted_channel_outbound_cards AS (
    DELETE FROM channel_outbound_card_message WHERE task_id IN (SELECT id FROM batch)
),
deleted_lark_outbound_cards AS (
    DELETE FROM lark_outbound_card_message WHERE task_id IN (SELECT id FROM batch)
),
deleted_draft_restores AS (
    DELETE FROM chat_draft_restore WHERE task_id IN (SELECT id FROM batch)
)
DELETE FROM agent_task_queue WHERE id IN (SELECT id FROM batch)
`

// Deletes one bounded batch of tasks together with everything that hangs off
// them, every arm keyed by task_id against an existing index, then the task rows
// by primary key. The legacy FK cascades stay a safety net only: this statement
// is what actually removes the rows, so teardown keeps working when they go.
func (q *Queries) DeleteTaskBatch(ctx context.Context, taskIds []pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteTaskBatch, taskIds)
	return err
}

const deleteTaskTokensByAgent = `-- name: DeleteTaskTokensByAgent :exec
DELETE FROM task_token WHERE agent_id = $1
`

// The third explicit task_token path. workspace_id (in DeleteWorkspaceLeafData)
// and task_id (in DeleteTaskBatch) do not cover a token whose own workspace_id
// points at a neighbour while its agent lives here, and teardown must not fall
// back on the agent_id cascade for it. Uses idx_task_token_agent_id
// (migration 275); one agent key per call for the same planner reason as
// ListTaskIDsByAgentBatch.
func (q *Queries) DeleteTaskTokensByAgent(ctx context.Context, agentID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteTaskTokensByAgent, agentID)
	return err
}

const deleteWorkspaceAdministration = `-- name: DeleteWorkspaceAdministration :exec
WITH
deleted_members AS (
    DELETE FROM member WHERE member.workspace_id = $1
),
deleted_notification_preferences AS (
    DELETE FROM notification_preference
    WHERE notification_preference.workspace_id = $1
),
deleted_pins AS (
    DELETE FROM pinned_item WHERE pinned_item.workspace_id = $1
),
deleted_daemon_tokens AS (
    DELETE FROM daemon_token WHERE daemon_token.workspace_id = $1
),
detached_feedback AS (
    UPDATE feedback
    SET workspace_id = NULL
    WHERE feedback.workspace_id = $1
),
detached_client_usage AS (
    UPDATE client_usage_daily
    SET workspace_id = NULL
    WHERE client_usage_daily.workspace_id = $1
)
DELETE FROM workspace_invitation
WHERE workspace_invitation.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceAdministration(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceAdministration, workspaceID)
	return err
}

const deleteWorkspaceAgents = `-- name: DeleteWorkspaceAgents :exec
DELETE FROM agent WHERE agent.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceAgents(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceAgents, workspaceID)
	return err
}

const deleteWorkspaceAutopilotChildren = `-- name: DeleteWorkspaceAutopilotChildren :exec
WITH
deleted_triggers AS (
    DELETE FROM autopilot_trigger
    WHERE autopilot_id IN (
        SELECT id FROM autopilot WHERE autopilot.workspace_id = $1
    )
)
DELETE FROM autopilot_rule_version
WHERE autopilot_rule_version.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceAutopilotChildren(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceAutopilotChildren, workspaceID)
	return err
}

const deleteWorkspaceAutopilotRuns = `-- name: DeleteWorkspaceAutopilotRuns :exec
DELETE FROM autopilot_run
WHERE autopilot_id IN (
    SELECT id FROM autopilot WHERE autopilot.workspace_id = $1
)
`

func (q *Queries) DeleteWorkspaceAutopilotRuns(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceAutopilotRuns, workspaceID)
	return err
}

const deleteWorkspaceAutopilots = `-- name: DeleteWorkspaceAutopilots :exec
DELETE FROM autopilot WHERE autopilot.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceAutopilots(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceAutopilots, workspaceID)
	return err
}

const deleteWorkspaceChatMessages = `-- name: DeleteWorkspaceChatMessages :exec
DELETE FROM chat_message
WHERE chat_session_id IN (
    SELECT id FROM chat_session WHERE chat_session.workspace_id = $1
)
`

func (q *Queries) DeleteWorkspaceChatMessages(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceChatMessages, workspaceID)
	return err
}

const deleteWorkspaceComments = `-- name: DeleteWorkspaceComments :exec
DELETE FROM comment WHERE comment.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceComments(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceComments, workspaceID)
	return err
}

const deleteWorkspaceCommunicationRoots = `-- name: DeleteWorkspaceCommunicationRoots :exec
WITH
deleted_sessions AS (
    DELETE FROM chat_session WHERE chat_session.workspace_id = $1
),
deleted_channel_installations AS (
    DELETE FROM channel_installation
    WHERE channel_installation.workspace_id = $1
)
DELETE FROM lark_installation WHERE lark_installation.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceCommunicationRoots(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceCommunicationRoots, workspaceID)
	return err
}

const deleteWorkspaceConnections = `-- name: DeleteWorkspaceConnections :exec
WITH deleted_github_installations AS (
    DELETE FROM github_installation
    WHERE github_installation.workspace_id = $1
)
DELETE FROM vcs_connection WHERE vcs_connection.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceConnections(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceConnections, workspaceID)
	return err
}

const deleteWorkspaceIssueRoots = `-- name: DeleteWorkspaceIssueRoots :exec
WITH
deleted_issues AS (
    DELETE FROM issue WHERE issue.workspace_id = $1
),
deleted_labels AS (
    DELETE FROM issue_label WHERE issue_label.workspace_id = $1
),
deleted_properties AS (
    DELETE FROM issue_property WHERE issue_property.workspace_id = $1
),
deleted_issue_views AS (
    DELETE FROM issue_view WHERE issue_view.workspace_id = $1
),
deleted_issue_view_preferences AS (
    DELETE FROM issue_view_preference
    WHERE issue_view_preference.workspace_id = $1
)
DELETE FROM quick_action WHERE quick_action.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceIssueRoots(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceIssueRoots, workspaceID)
	return err
}

const deleteWorkspaceLeafData = `-- name: DeleteWorkspaceLeafData :exec
WITH
ws_agents AS MATERIALIZED (
    SELECT id FROM agent WHERE workspace_id = $1
),
ws_issues AS MATERIALIZED (
    SELECT id FROM issue WHERE workspace_id = $1
),
ws_labels AS MATERIALIZED (
    SELECT id FROM issue_label WHERE workspace_id = $1
),
ws_skills AS MATERIALIZED (
    SELECT id FROM skill WHERE workspace_id = $1
),
ws_squads AS MATERIALIZED (
    SELECT id FROM squad WHERE workspace_id = $1
),
ws_sessions AS MATERIALIZED (
    SELECT id FROM chat_session WHERE workspace_id = $1
),
ws_autopilots AS MATERIALIZED (
    SELECT id FROM autopilot WHERE workspace_id = $1
),
ws_github_prs AS MATERIALIZED (
    SELECT id FROM github_pull_request WHERE workspace_id = $1
),
ws_vcs_prs AS MATERIALIZED (
    SELECT id FROM vcs_pull_request WHERE workspace_id = $1
),
ws_vcs_connections AS MATERIALIZED (
    SELECT id FROM vcs_connection WHERE workspace_id = $1
),
ws_channel_installations AS MATERIALIZED (
    SELECT id FROM channel_installation WHERE workspace_id = $1
),
ws_lark_installations AS MATERIALIZED (
    SELECT id FROM lark_installation WHERE workspace_id = $1
),
deleted_task_tokens AS (
    DELETE FROM task_token
    WHERE workspace_id = $1
),
deleted_hourly_dirty AS (
    DELETE FROM task_usage_hourly_dirty WHERE workspace_id = $1
),
deleted_hourly AS (
    DELETE FROM task_usage_hourly WHERE workspace_id = $1
),
deleted_attachments AS (
    DELETE FROM attachment WHERE workspace_id = $1
),
deleted_channel_outbound_cards AS (
    DELETE FROM channel_outbound_card_message
    WHERE chat_session_id IN (SELECT id FROM ws_sessions)
),
deleted_lark_outbound_cards AS (
    DELETE FROM lark_outbound_card_message
    WHERE chat_session_id IN (SELECT id FROM ws_sessions)
),
deleted_draft_restores AS (
    DELETE FROM chat_draft_restore
    WHERE chat_session_id IN (SELECT id FROM ws_sessions)
),
deleted_agent_builder_drafts AS (
    DELETE FROM agent_builder_draft WHERE workspace_id = $1
),
deleted_comment_reactions AS (
    DELETE FROM comment_reaction WHERE workspace_id = $1
),
deleted_issue_reactions AS (
    DELETE FROM issue_reaction WHERE workspace_id = $1
),
deleted_activity AS (
    DELETE FROM activity_log WHERE workspace_id = $1
),
deleted_inbox AS (
    DELETE FROM inbox_item WHERE workspace_id = $1
),
deleted_issue_dependencies AS (
    DELETE FROM issue_dependency
    WHERE issue_id IN (SELECT id FROM ws_issues)
       OR depends_on_issue_id IN (SELECT id FROM ws_issues)
),
deleted_issue_subscribers AS (
    DELETE FROM issue_subscriber
    WHERE issue_id IN (SELECT id FROM ws_issues)
),
deleted_issue_labels AS (
    DELETE FROM issue_to_label
    WHERE issue_id IN (SELECT id FROM ws_issues)
       OR label_id IN (SELECT id FROM ws_labels)
),
deleted_agent_labels AS (
    DELETE FROM agent_to_label
    WHERE agent_id IN (SELECT id FROM ws_agents)
       OR label_id IN (SELECT id FROM ws_labels)
),
deleted_skill_labels AS (
    DELETE FROM skill_to_label
    WHERE skill_id IN (SELECT id FROM ws_skills)
       OR label_id IN (SELECT id FROM ws_labels)
),
deleted_issue_github_links AS (
    DELETE FROM issue_pull_request
    WHERE issue_id IN (SELECT id FROM ws_issues)
       OR pull_request_id IN (SELECT id FROM ws_github_prs)
),
deleted_issue_vcs_links AS (
    DELETE FROM issue_vcs_pull_request
    WHERE issue_id IN (SELECT id FROM ws_issues)
       OR pull_request_id IN (SELECT id FROM ws_vcs_prs)
),
deleted_agent_invocation_targets AS (
    DELETE FROM agent_invocation_target
    WHERE agent_id IN (SELECT id FROM ws_agents)
),
deleted_agent_skills AS (
    DELETE FROM agent_skill
    WHERE agent_id IN (SELECT id FROM ws_agents)
       OR skill_id IN (SELECT id FROM ws_skills)
),
deleted_skill_files AS (
    DELETE FROM skill_file
    WHERE skill_id IN (SELECT id FROM ws_skills)
),
deleted_daemon_connections AS (
    DELETE FROM daemon_connection
    WHERE agent_id IN (SELECT id FROM ws_agents)
),
deleted_squad_members AS (
    DELETE FROM squad_member
    WHERE squad_id IN (SELECT id FROM ws_squads)
),
deleted_project_resources AS (
    DELETE FROM project_resource WHERE workspace_id = $1
),
deleted_autopilot_collaborators AS (
    DELETE FROM autopilot_collaborator
    WHERE autopilot_id IN (SELECT id FROM ws_autopilots)
),
deleted_autopilot_subscribers AS (
    DELETE FROM autopilot_subscriber
    WHERE autopilot_id IN (SELECT id FROM ws_autopilots)
),
deleted_webhook_deliveries AS (
    DELETE FROM webhook_delivery WHERE workspace_id = $1
),
deleted_github_check_runs AS (
    DELETE FROM github_pull_request_check_run
    WHERE pr_id IN (SELECT id FROM ws_github_prs)
),
deleted_github_check_suites AS (
    DELETE FROM github_pull_request_check_suite
    WHERE pr_id IN (SELECT id FROM ws_github_prs)
),
deleted_pending_github_suites AS (
    DELETE FROM github_pending_check_suite WHERE workspace_id = $1
),
deleted_vcs_commit_statuses AS (
    DELETE FROM vcs_commit_status
    WHERE connection_id IN (SELECT id FROM ws_vcs_connections)
),
deleted_channel_chat_bindings AS (
    DELETE FROM channel_chat_session_binding
    WHERE installation_id IN (SELECT id FROM ws_channel_installations)
       OR chat_session_id IN (SELECT id FROM ws_sessions)
),
deleted_channel_inbound_dedup AS (
    DELETE FROM channel_inbound_message_dedup
    WHERE installation_id IN (SELECT id FROM ws_channel_installations)
),
deleted_channel_inbound_audit AS (
    DELETE FROM channel_inbound_audit
    WHERE installation_id IN (SELECT id FROM ws_channel_installations)
),
deleted_channel_user_bindings AS (
    DELETE FROM channel_user_binding WHERE workspace_id = $1
),
deleted_channel_binding_tokens AS (
    DELETE FROM channel_binding_token WHERE workspace_id = $1
),
deleted_lark_chat_bindings AS (
    DELETE FROM lark_chat_session_binding
    WHERE installation_id IN (SELECT id FROM ws_lark_installations)
       OR chat_session_id IN (SELECT id FROM ws_sessions)
),
deleted_lark_inbound_dedup AS (
    DELETE FROM lark_inbound_message_dedup
    WHERE installation_id IN (SELECT id FROM ws_lark_installations)
),
deleted_lark_inbound_audit AS (
    DELETE FROM lark_inbound_audit
    WHERE installation_id IN (SELECT id FROM ws_lark_installations)
),
deleted_lark_user_bindings AS (
    DELETE FROM lark_user_binding WHERE workspace_id = $1
),
deleted_lark_binding_tokens AS (
    DELETE FROM lark_binding_token WHERE workspace_id = $1
)
UPDATE channel_media_pending_object
SET state = CASE
        WHEN state = 'tombstoned' THEN 'tombstoned'
        ELSE 'deleting'
    END,
    lease_token = NULL,
    lease_expires_at = NULL,
    next_attempt_at = now(),
    last_error = NULL
WHERE channel_media_pending_object.workspace_id = $1
`

// Everything task-keyed moved to DeleteTaskBatch, which runs in bounded batches
// before this step; what is left is keyed by the workspace or by one of the
// workspace-scoped id sets below.
// One of three explicit task_token paths. This is the workspace-keyed one;
// DeleteTaskBatch covers task_id and DeleteTaskTokensByAgent covers agent_id, so
// a token whose workspace_id points at a neighbour while its task or agent lives
// here is still removed by this teardown rather than by the FK cascade. The
// former single statement combined all three with OR, which cost a full scan of
// task_token (MUL-5999); split, each path is an index scan.
// Same no-FK chore as chat_draft_restore above. Matched on workspace_id rather
// than the session set because that column exists precisely so this statement
// does not have to join through chat_session, which it deletes in this same CTE.
// Keep the two-system cleanup ledger until object storage has been settled.
// Moving every row out of pending also prevents a concurrent media bind from
// attaching an object after the workspace teardown commits. The reconciler
// performs the idempotent object delete and clears the row afterwards.
func (q *Queries) DeleteWorkspaceLeafData(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceLeafData, workspaceID)
	return err
}

const deleteWorkspacePullRequests = `-- name: DeleteWorkspacePullRequests :exec
WITH deleted_github_prs AS (
    DELETE FROM github_pull_request
    WHERE github_pull_request.workspace_id = $1
)
DELETE FROM vcs_pull_request WHERE vcs_pull_request.workspace_id = $1
`

func (q *Queries) DeleteWorkspacePullRequests(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspacePullRequests, workspaceID)
	return err
}

const deleteWorkspaceRuntimesAndProjects = `-- name: DeleteWorkspaceRuntimesAndProjects :exec
WITH
deleted_runtimes AS (
    DELETE FROM agent_runtime WHERE agent_runtime.workspace_id = $1
),
deleted_profiles AS (
    DELETE FROM runtime_profile WHERE runtime_profile.workspace_id = $1
)
DELETE FROM project WHERE project.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceRuntimesAndProjects(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceRuntimesAndProjects, workspaceID)
	return err
}

const deleteWorkspaceSquadsAndSkills = `-- name: DeleteWorkspaceSquadsAndSkills :exec
WITH deleted_squads AS (
    DELETE FROM squad WHERE squad.workspace_id = $1
)
DELETE FROM skill WHERE skill.workspace_id = $1
`

func (q *Queries) DeleteWorkspaceSquadsAndSkills(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, deleteWorkspaceSquadsAndSkills, workspaceID)
	return err
}

const detachTaskBatchReferences = `-- name: DetachTaskBatchReferences :exec
WITH detached_runs AS (
    UPDATE autopilot_run
    SET task_id = NULL
    WHERE task_id = ANY($1::uuid[])
)
UPDATE agent_task_queue
SET parent_task_id = NULL
WHERE parent_task_id = ANY($1::uuid[])
`

// Break inbound references to a task batch before deleting it, in the
// application layer rather than through the FKs' ON DELETE SET NULL. Both
// referencing columns are indexed (idx_agent_task_queue_parent from migration
// 055, idx_autopilot_run_task_id from migration 277) so this stays a per-batch
// index scan instead of the per-row full scan the FK action would do.
//
// Kept separate from DeleteTaskBatch: a task can be both a member of the batch
// and the parent of another member, and updating plus deleting the same row
// inside one statement is not well defined.
func (q *Queries) DetachTaskBatchReferences(ctx context.Context, taskIds []pgtype.UUID) error {
	_, err := q.db.Exec(ctx, detachTaskBatchReferences, taskIds)
	return err
}

const listTaskIDsByAgentFirstPage = `-- name: ListTaskIDsByAgentFirstPage :many
SELECT id FROM agent_task_queue
WHERE agent_id = $1
ORDER BY id
LIMIT $2
FOR UPDATE
`

type ListTaskIDsByAgentFirstPageParams struct {
	AgentID pgtype.UUID `json:"agent_id"`
	Limit   int32       `json:"limit"`
}

// First page of the same walk; see ListWorkspaceAgentIDFirstPage for why this is
// a separate query rather than a zero-uuid cursor, and ListTaskIDsByAgentPage for
// the single-key / keyset / FOR UPDATE rationale.
func (q *Queries) ListTaskIDsByAgentFirstPage(ctx context.Context, arg ListTaskIDsByAgentFirstPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listTaskIDsByAgentFirstPage, arg.AgentID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listTaskIDsByAgentPage = `-- name: ListTaskIDsByAgentPage :many
SELECT id FROM agent_task_queue
WHERE agent_id = $1 AND id > $2
ORDER BY id
LIMIT $3
FOR UPDATE
`

type ListTaskIDsByAgentPageParams struct {
	AgentID pgtype.UUID `json:"agent_id"`
	ID      pgtype.UUID `json:"id"`
	Limit   int32       `json:"limit"`
}

// One owner key per call, one keyset-paged chunk per call.
//
// Single-key equality is deliberate. All three ownership paths must stay (nothing
// enforces that a task's agent/runtime/issue share a workspace), but expressing
// them as `OR agent_id IN (subquery) OR …` — or as a UNION of joins, or as
// `= ANY($1::uuid[])` over a whole workspace's agents — makes the planner
// estimate a proportional share of the global table and fall back to a Seq Scan
// on agent_task_queue. A single-key equality is the only form whose row estimate
// stays small enough to be index-driven regardless of how the workspace's tasks
// are distributed (MUL-5999).
//
// `id > $2 ORDER BY id LIMIT $3` against idx_agent_task_queue_agent_id_keyset
// (migration 278) bounds the SCAN, not just the result: each page is an index
// range scan that starts where the previous one stopped. Bounding only the result
// — `ORDER BY id LIMIT n` against the (agent_id, status) index — puts a Sort over
// the agent's entire task set in front of every page, so a busy agent costs
// roughly O(N² / page) for the sweep.
//
// FOR UPDATE is load-bearing for correctness, not throughput. It locks the rows
// this page is about to delete, and under READ COMMITTED PostgreSQL re-checks the
// WHERE clause after acquiring each lock: a task a concurrent committed UPDATE
// has already moved to another owner no longer matches and is skipped, and one we
// did lock cannot be moved away before we delete it.
func (q *Queries) ListTaskIDsByAgentPage(ctx context.Context, arg ListTaskIDsByAgentPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listTaskIDsByAgentPage, arg.AgentID, arg.ID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listTaskIDsByIssueFirstPage = `-- name: ListTaskIDsByIssueFirstPage :many
SELECT id FROM agent_task_queue
WHERE issue_id = $1
ORDER BY id
LIMIT $2
FOR UPDATE
`

type ListTaskIDsByIssueFirstPageParams struct {
	IssueID pgtype.UUID `json:"issue_id"`
	Limit   int32       `json:"limit"`
}

// First page of the same walk; see ListWorkspaceAgentIDFirstPage for why this is
// a separate query rather than a zero-uuid cursor, and ListTaskIDsByAgentPage for
// the single-key / keyset / FOR UPDATE rationale.
func (q *Queries) ListTaskIDsByIssueFirstPage(ctx context.Context, arg ListTaskIDsByIssueFirstPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listTaskIDsByIssueFirstPage, arg.IssueID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listTaskIDsByIssuePage = `-- name: ListTaskIDsByIssuePage :many
SELECT id FROM agent_task_queue
WHERE issue_id = $1 AND id > $2
ORDER BY id
LIMIT $3
FOR UPDATE
`

type ListTaskIDsByIssuePageParams struct {
	IssueID pgtype.UUID `json:"issue_id"`
	ID      pgtype.UUID `json:"id"`
	Limit   int32       `json:"limit"`
}

// Uses idx_agent_task_queue_issue_id_keyset (migration 279). See
// ListTaskIDsByAgentPage for the single-key / keyset / FOR UPDATE rationale.
func (q *Queries) ListTaskIDsByIssuePage(ctx context.Context, arg ListTaskIDsByIssuePageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listTaskIDsByIssuePage, arg.IssueID, arg.ID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listTaskIDsByRuntimeFirstPage = `-- name: ListTaskIDsByRuntimeFirstPage :many
SELECT id FROM agent_task_queue
WHERE runtime_id = $1
ORDER BY id
LIMIT $2
FOR UPDATE
`

type ListTaskIDsByRuntimeFirstPageParams struct {
	RuntimeID pgtype.UUID `json:"runtime_id"`
	Limit     int32       `json:"limit"`
}

// First page of the same walk; see ListWorkspaceAgentIDFirstPage for why this is
// a separate query rather than a zero-uuid cursor, and ListTaskIDsByAgentPage for
// the single-key / keyset / FOR UPDATE rationale.
func (q *Queries) ListTaskIDsByRuntimeFirstPage(ctx context.Context, arg ListTaskIDsByRuntimeFirstPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listTaskIDsByRuntimeFirstPage, arg.RuntimeID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listTaskIDsByRuntimePage = `-- name: ListTaskIDsByRuntimePage :many
SELECT id FROM agent_task_queue
WHERE runtime_id = $1 AND id > $2
ORDER BY id
LIMIT $3
FOR UPDATE
`

type ListTaskIDsByRuntimePageParams struct {
	RuntimeID pgtype.UUID `json:"runtime_id"`
	ID        pgtype.UUID `json:"id"`
	Limit     int32       `json:"limit"`
}

// Uses idx_agent_task_queue_runtime_id (migration 273, (runtime_id, id)); before
// it every runtime_id index was partial, so this path had none at all. See
// ListTaskIDsByAgentPage for the single-key / keyset / FOR UPDATE rationale.
func (q *Queries) ListTaskIDsByRuntimePage(ctx context.Context, arg ListTaskIDsByRuntimePageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listTaskIDsByRuntimePage, arg.RuntimeID, arg.ID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listWorkspaceAgentIDFirstPage = `-- name: ListWorkspaceAgentIDFirstPage :many
SELECT id FROM agent
WHERE agent.workspace_id = $1
ORDER BY id
LIMIT $2
`

type ListWorkspaceAgentIDFirstPageParams struct {
	WorkspaceID pgtype.UUID `json:"workspace_id"`
	Limit       int32       `json:"limit"`
}

// First page of the same walk. Split from the keyset query rather than seeded
// with the all-zero uuid, because that value is itself a valid uuid: a row whose
// id happened to be all zeros would be skipped forever by `id > $2`.
func (q *Queries) ListWorkspaceAgentIDFirstPage(ctx context.Context, arg ListWorkspaceAgentIDFirstPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listWorkspaceAgentIDFirstPage, arg.WorkspaceID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listWorkspaceAgentIDPage = `-- name: ListWorkspaceAgentIDPage :many
SELECT id FROM agent
WHERE agent.workspace_id = $1 AND id > $2
ORDER BY id
LIMIT $3
`

type ListWorkspaceAgentIDPageParams struct {
	WorkspaceID pgtype.UUID `json:"workspace_id"`
	ID          pgtype.UUID `json:"id"`
	Limit       int32       `json:"limit"`
}

// Owner enumeration in bounded, keyset-paged chunks. The rows are already locked
// by LockWorkspaceTaskOwnerAgents above; this only walks them.
//
// Keyset on id, not on a natural key: the cursor column must be immutable, and
// renaming an agent mid-teardown would otherwise let it sort behind the cursor
// and escape the sweep. Uses idx_agent_workspace_id_keyset (migration 281), which
// exists so this page does not sort the whole owner set.
func (q *Queries) ListWorkspaceAgentIDPage(ctx context.Context, arg ListWorkspaceAgentIDPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listWorkspaceAgentIDPage, arg.WorkspaceID, arg.ID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listWorkspaceIssueIDFirstPage = `-- name: ListWorkspaceIssueIDFirstPage :many
SELECT id FROM issue
WHERE issue.workspace_id = $1
ORDER BY id
LIMIT $2
`

type ListWorkspaceIssueIDFirstPageParams struct {
	WorkspaceID pgtype.UUID `json:"workspace_id"`
	Limit       int32       `json:"limit"`
}

// First page of the same walk. Split from the keyset query rather than seeded
// with the all-zero uuid, because that value is itself a valid uuid: a row whose
// id happened to be all zeros would be skipped forever by `id > $2`.
func (q *Queries) ListWorkspaceIssueIDFirstPage(ctx context.Context, arg ListWorkspaceIssueIDFirstPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listWorkspaceIssueIDFirstPage, arg.WorkspaceID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listWorkspaceIssueIDPage = `-- name: ListWorkspaceIssueIDPage :many
SELECT id FROM issue
WHERE issue.workspace_id = $1 AND id > $2
ORDER BY id
LIMIT $3
`

type ListWorkspaceIssueIDPageParams struct {
	WorkspaceID pgtype.UUID `json:"workspace_id"`
	ID          pgtype.UUID `json:"id"`
	Limit       int32       `json:"limit"`
}

// Uses idx_issue_workspace_id_keyset (migration 282).
func (q *Queries) ListWorkspaceIssueIDPage(ctx context.Context, arg ListWorkspaceIssueIDPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listWorkspaceIssueIDPage, arg.WorkspaceID, arg.ID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listWorkspaceRuntimeIDFirstPage = `-- name: ListWorkspaceRuntimeIDFirstPage :many
SELECT id FROM agent_runtime
WHERE agent_runtime.workspace_id = $1
ORDER BY id
LIMIT $2
`

type ListWorkspaceRuntimeIDFirstPageParams struct {
	WorkspaceID pgtype.UUID `json:"workspace_id"`
	Limit       int32       `json:"limit"`
}

// First page of the same walk. Split from the keyset query rather than seeded
// with the all-zero uuid, because that value is itself a valid uuid: a row whose
// id happened to be all zeros would be skipped forever by `id > $2`.
func (q *Queries) ListWorkspaceRuntimeIDFirstPage(ctx context.Context, arg ListWorkspaceRuntimeIDFirstPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listWorkspaceRuntimeIDFirstPage, arg.WorkspaceID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listWorkspaceRuntimeIDPage = `-- name: ListWorkspaceRuntimeIDPage :many
SELECT id FROM agent_runtime
WHERE agent_runtime.workspace_id = $1 AND id > $2
ORDER BY id
LIMIT $3
`

type ListWorkspaceRuntimeIDPageParams struct {
	WorkspaceID pgtype.UUID `json:"workspace_id"`
	ID          pgtype.UUID `json:"id"`
	Limit       int32       `json:"limit"`
}

// Uses idx_agent_runtime_workspace_id_keyset (migration 283).
func (q *Queries) ListWorkspaceRuntimeIDPage(ctx context.Context, arg ListWorkspaceRuntimeIDPageParams) ([]pgtype.UUID, error) {
	rows, err := q.db.Query(ctx, listWorkspaceRuntimeIDPage, arg.WorkspaceID, arg.ID, arg.Limit)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []pgtype.UUID{}
	for rows.Next() {
		var id pgtype.UUID
		if err := rows.Scan(&id); err != nil {
			return nil, err
		}
		items = append(items, id)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const lockTaskUsageRollupForWorkspaceDelete = `-- name: LockTaskUsageRollupForWorkspaceDelete :exec
SELECT pg_advisory_xact_lock(4246)
`

// Advisory lock 4246 is the hourly rollup family's key: the rollup function
// takes it per transaction (migration 272) and the backfill commands take it
// per session. An in-flight rollup finishes first, then no new rollup can
// write the workspace's aggregates until this delete commits. The caller
// bounds this wait with SET LOCAL lock_timeout — batch jobs hold 4246 for
// minutes, and an unbounded wait here hangs the delete request (MUL-5983).
func (q *Queries) LockTaskUsageRollupForWorkspaceDelete(ctx context.Context) error {
	_, err := q.db.Exec(ctx, lockTaskUsageRollupForWorkspaceDelete)
	return err
}

const lockWorkspaceTaskOwnerAgents = `-- name: LockWorkspaceTaskOwnerAgents :exec
SELECT 1 FROM agent WHERE agent.workspace_id = $1 FOR UPDATE
`

// The three LockWorkspaceTaskOwner* statements are a write fence, not a lookup —
// they deliberately return nothing, so a workspace with a huge owner set costs
// the API process no memory at all.
//
// agent_task_queue has no workspace_id, so a task becomes this workspace's
// problem through agent_id, issue_id or runtime_id — and inserting such a task
// requires FOR KEY SHARE on the referenced owner row, which conflicts with
// FOR UPDATE. Holding these locks for the rest of the teardown transaction
// therefore blocks any enqueue (or reassignment) that would add a task to this
// workspace after we have swept it, which row locks on the tasks alone cannot
// do. Same technique the handler already uses on the workspace row to keep
// CreateChatSession out of the delete window.
//
// This fence is defence in depth, not the only guarantee: deleteWorkspaceTasks
// re-verifies every owner after sweeping it and fails closed if tasks keep
// appearing, so teardown does not silently leak rows even if the fence is ever
// weakened (for example by removing the legacy FKs this one leans on).
func (q *Queries) LockWorkspaceTaskOwnerAgents(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, lockWorkspaceTaskOwnerAgents, workspaceID)
	return err
}

const lockWorkspaceTaskOwnerIssues = `-- name: LockWorkspaceTaskOwnerIssues :exec
SELECT 1 FROM issue WHERE issue.workspace_id = $1 FOR UPDATE
`

func (q *Queries) LockWorkspaceTaskOwnerIssues(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, lockWorkspaceTaskOwnerIssues, workspaceID)
	return err
}

const lockWorkspaceTaskOwnerRuntimes = `-- name: LockWorkspaceTaskOwnerRuntimes :exec
SELECT 1 FROM agent_runtime WHERE agent_runtime.workspace_id = $1 FOR UPDATE
`

func (q *Queries) LockWorkspaceTaskOwnerRuntimes(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, lockWorkspaceTaskOwnerRuntimes, workspaceID)
	return err
}

const prepareWorkspaceDeletionLinks = `-- name: PrepareWorkspaceDeletionLinks :exec
WITH
detached_comments AS (
    UPDATE comment
    SET parent_id = NULL
    WHERE comment.workspace_id = $1
      AND parent_id IS NOT NULL
),
detached_issues AS (
    UPDATE issue
    SET parent_issue_id = NULL
    WHERE issue.workspace_id = $1
      AND parent_issue_id IS NOT NULL
)
UPDATE webhook_delivery
SET replayed_from_delivery_id = NULL
WHERE webhook_delivery.workspace_id = $1
  AND replayed_from_delivery_id IS NOT NULL
`

// Break self-references and the task/run cycle explicitly before deleting
// either side. This keeps their ordering in the application-owned graph
// instead of relying on ON DELETE SET NULL actions.
//
// The task half of this step now lives in DetachTaskBatchReferences, which runs
// once per bounded batch instead of once for a whole workspace's task set.
func (q *Queries) PrepareWorkspaceDeletionLinks(ctx context.Context, workspaceID pgtype.UUID) error {
	_, err := q.db.Exec(ctx, prepareWorkspaceDeletionLinks, workspaceID)
	return err
}

const setWorkspaceTeardownMode = `-- name: SetWorkspaceTeardownMode :exec

SELECT set_config('multica.workspace_teardown', 'on', true)
`

// Workspace deletion is application-owned. These statements form a fixed,
// bottom-up deletion plan; the legacy foreign keys remain only as a
// compatibility safety net during the expand phase.
// The setting is transaction-local. Migration 242 makes only the three DELETE
// dirty triggers skip their per-row work while this flag is on.
func (q *Queries) SetWorkspaceTeardownMode(ctx context.Context) error {
	_, err := q.db.Exec(ctx, setWorkspaceTeardownMode)
	return err
}