refactor(db): normalize module prefix snapshot rows

Строки префиксов в module_prefix_snapshot_row вместо JSONB blobs.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Denozordec
2026-05-25 10:58:56 +07:00
co-authored by Cursor
parent 374575ec01
commit 3500bd4624
5 changed files with 138 additions and 15 deletions
+82 -15
View File
@@ -12,16 +12,24 @@ import (
"github.com/jackc/pgx/v5"
)
func moduleSnapshotRowTableExists(ctx context.Context, q queryRower) bool {
var n int
err := q.QueryRow(ctx, `
SELECT 1 FROM information_schema.tables
WHERE table_schema = 'public' AND table_name = 'module_prefix_snapshot_row'
LIMIT 1`).Scan(&n)
return err == nil
}
func (p *Postgres) GetModulePrefixSnapshot(tenantID, moduleID string) (*store.ModulePrefixSnapshot, bool, error) {
ctx := context.Background()
var inputHash string
var collectedAt time.Time
var raw []byte
err := p.pool.QueryRow(ctx, `
SELECT input_hash, collected_at, prefixes_json
SELECT input_hash, collected_at
FROM module_prefix_snapshot
WHERE tenant_id = $1 AND module_id = $2`,
tenantID, moduleID).Scan(&inputHash, &collectedAt, &raw)
tenantID, moduleID).Scan(&inputHash, &collectedAt)
if err != nil {
if errors.Is(err, pgx.ErrNoRows) {
return nil, false, nil
@@ -29,9 +37,31 @@ func (p *Postgres) GetModulePrefixSnapshot(tenantID, moduleID string) (*store.Mo
return nil, false, err
}
var prefixes []store.PrefixRow
if len(raw) > 0 {
if err := json.Unmarshal(raw, &prefixes); err != nil {
return nil, false, err
if moduleSnapshotRowTableExists(ctx, p.pool) {
rows, qerr := p.pool.Query(ctx, `
SELECT prefix::text, community_id::text, source
FROM module_prefix_snapshot_row
WHERE tenant_id = $1::uuid AND module_id = $2::uuid
ORDER BY ord`, tenantID, moduleID)
if qerr != nil {
return nil, false, qerr
}
defer rows.Close()
for rows.Next() {
var pr store.PrefixRow
var comm *string
if err := rows.Scan(&pr.Prefix, &comm, &pr.Source); err != nil {
continue
}
pr.CommunityID = comm
prefixes = append(prefixes, pr)
}
} else {
var raw []byte
if err := p.pool.QueryRow(ctx, `
SELECT prefixes_json FROM module_prefix_snapshot
WHERE tenant_id = $1 AND module_id = $2`, tenantID, moduleID).Scan(&raw); err == nil && len(raw) > 0 {
_ = json.Unmarshal(raw, &prefixes)
}
}
return &store.ModulePrefixSnapshot{
@@ -45,20 +75,57 @@ func (p *Postgres) SetModulePrefixSnapshot(tenantID, moduleID, inputHash string,
if strings.TrimSpace(tenantID) == "" || strings.TrimSpace(moduleID) == "" || strings.TrimSpace(inputHash) == "" {
return store.ErrInvalidInput
}
raw, err := json.Marshal(prefixes)
ctx := context.Background()
tx, err := p.pool.Begin(ctx)
if err != nil {
return err
}
ctx := context.Background()
_, err = p.pool.Exec(ctx, `
INSERT INTO module_prefix_snapshot (tenant_id, module_id, input_hash, collected_at, prefixes_json)
VALUES ($1::uuid, $2::uuid, $3, now(), $4::jsonb)
defer func() { _ = tx.Rollback(ctx) }()
_, err = tx.Exec(ctx, `
INSERT INTO module_prefix_snapshot (tenant_id, module_id, input_hash, collected_at)
VALUES ($1::uuid, $2::uuid, $3, now())
ON CONFLICT (tenant_id, module_id) DO UPDATE SET
input_hash = EXCLUDED.input_hash,
collected_at = EXCLUDED.collected_at,
prefixes_json = EXCLUDED.prefixes_json`,
tenantID, moduleID, inputHash, string(raw))
return err
collected_at = EXCLUDED.collected_at`,
tenantID, moduleID, inputHash)
if err != nil {
return err
}
if moduleSnapshotRowTableExists(ctx, tx) {
if _, err := tx.Exec(ctx, `
DELETE FROM module_prefix_snapshot_row
WHERE tenant_id = $1::uuid AND module_id = $2::uuid`, tenantID, moduleID); err != nil {
return err
}
for i, pr := range prefixes {
var comm any
if pr.CommunityID != nil && strings.TrimSpace(*pr.CommunityID) != "" {
comm = strings.TrimSpace(*pr.CommunityID)
}
src := pr.Source
if strings.TrimSpace(src) == "" {
src = "render"
}
if _, err := tx.Exec(ctx, `
INSERT INTO module_prefix_snapshot_row (tenant_id, module_id, ord, prefix, community_id, source)
VALUES ($1::uuid, $2::uuid, $3, $4::cidr, $5::uuid, $6)`,
tenantID, moduleID, i, strings.TrimSpace(pr.Prefix), comm, src); err != nil {
return err
}
}
} else {
raw, err := json.Marshal(prefixes)
if err != nil {
return err
}
if _, err := tx.Exec(ctx, `
UPDATE module_prefix_snapshot SET prefixes_json = $3::jsonb
WHERE tenant_id = $1::uuid AND module_id = $2::uuid`,
tenantID, moduleID, string(raw)); err != nil {
return err
}
}
return tx.Commit(ctx)
}
func (p *Postgres) DeleteModulePrefixSnapshot(tenantID, moduleID string) error {
@@ -0,0 +1,16 @@
ALTER TABLE module_prefix_snapshot ADD COLUMN prefixes_json JSONB NOT NULL DEFAULT '[]';
UPDATE module_prefix_snapshot mps
SET prefixes_json = COALESCE((
SELECT jsonb_agg(
jsonb_build_object(
'prefix', psr.prefix::text,
'community_id', psr.community_id,
'source', psr.source
) ORDER BY psr.ord
)
FROM module_prefix_snapshot_row psr
WHERE psr.tenant_id = mps.tenant_id AND psr.module_id = mps.module_id
), '[]'::jsonb);
DROP TABLE IF EXISTS module_prefix_snapshot_row;
@@ -0,0 +1,25 @@
CREATE TABLE module_prefix_snapshot_row (
tenant_id UUID NOT NULL,
module_id UUID NOT NULL,
ord INTEGER NOT NULL,
prefix CIDR NOT NULL,
community_id UUID,
source TEXT NOT NULL DEFAULT '',
PRIMARY KEY (tenant_id, module_id, ord),
FOREIGN KEY (tenant_id, module_id)
REFERENCES module_prefix_snapshot (tenant_id, module_id) ON DELETE CASCADE
);
INSERT INTO module_prefix_snapshot_row (tenant_id, module_id, ord, prefix, community_id, source)
SELECT mps.tenant_id,
mps.module_id,
(t.ordinality - 1)::int,
(t.elem->>'prefix')::cidr,
NULLIF(t.elem->>'community_id', '')::uuid,
COALESCE(NULLIF(t.elem->>'source', ''), '')
FROM module_prefix_snapshot mps
CROSS JOIN LATERAL jsonb_array_elements(mps.prefixes_json) WITH ORDINALITY AS t(elem, ordinality)
WHERE jsonb_typeof(mps.prefixes_json) = 'array'
AND jsonb_array_length(mps.prefixes_json) > 0;
ALTER TABLE module_prefix_snapshot DROP COLUMN prefixes_json;
@@ -0,0 +1,2 @@
ALTER TABLE module_prefix_snapshot ADD COLUMN prefixes_json TEXT NOT NULL DEFAULT '[]';
DROP TABLE IF EXISTS module_prefix_snapshot_row;
@@ -0,0 +1,13 @@
CREATE TABLE module_prefix_snapshot_row (
tenant_id TEXT NOT NULL,
module_id TEXT NOT NULL,
ord INTEGER NOT NULL,
prefix TEXT NOT NULL,
community_id TEXT,
source TEXT NOT NULL DEFAULT '',
PRIMARY KEY (tenant_id, module_id, ord),
FOREIGN KEY (tenant_id, module_id)
REFERENCES module_prefix_snapshot (tenant_id, module_id) ON DELETE CASCADE
);
ALTER TABLE module_prefix_snapshot DROP COLUMN prefixes_json;