fix shared database account sequence initialization

docs/sql/IM-共库运行态缺口修复SQL.sql

@@ -0,0 +1,47 @@
+-- MySQL 8.0. Runtime fixes for the shared meeting_im database.
+-- Execute with a privileged account that can read hotgo.im_tenant.
+
+CREATE TABLE IF NOT EXISTS im_user_account_sequences (
+    tenant_id BIGINT NOT NULL,
+    id TINYINT UNSIGNED NOT NULL,
+    next_value INT UNSIGNED NOT NULL,
+    updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3)
+        ON UPDATE CURRENT_TIMESTAMP(3),
+    PRIMARY KEY (tenant_id, id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+-- If this table was created by the older independent-database script, its
+-- primary key may still be only (id). Shared DB must key by tenant_id too.
+ALTER TABLE im_user_account_sequences
+    DROP PRIMARY KEY,
+    ADD PRIMARY KEY (tenant_id, id);
+
+INSERT INTO im_user_account_sequences (tenant_id, id, next_value)
+SELECT tenant_id, 1, GREATEST(COALESCE(MAX(account_no), 999), 999)
+FROM im_users
+WHERE tenant_id > 0
+GROUP BY tenant_id
+ON DUPLICATE KEY UPDATE
+    next_value = GREATEST(next_value, VALUES(next_value));
+
+INSERT IGNORE INTO im_user_account_sequences (tenant_id, id, next_value)
+SELECT id, 1, 999
+FROM hotgo.im_tenant
+WHERE state = 1;
+
+CREATE TABLE IF NOT EXISTS im_login_lockouts (
+    id BIGINT NOT NULL,
+    user_id BIGINT NULL,
+    account_hash CHAR(64) NOT NULL,
+    failed_attempts INT NOT NULL DEFAULT 0,
+    window_started_at DATETIME(3) NULL,
+    locked_until DATETIME(3) NULL,
+    last_attempt_at DATETIME(3) NULL,
+    created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+    updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3)
+        ON UPDATE CURRENT_TIMESTAMP(3),
+    PRIMARY KEY (id),
+    UNIQUE INDEX uk_im_login_lockouts_account (account_hash),
+    INDEX idx_im_login_lockouts_user (user_id),
+    INDEX idx_im_login_lockouts_locked (locked_until)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;