MYSQL 迁移 PostgreSQL 16 + orafce 改造清单

GET_LOCK / RELEASE_LOCK 咨询锁函数undeclared · major · my.func.advisory_locks ALTER TABLE ALGORITHM= / LOCK= 在线 DDL 子句undeclared · minor · my.ddl.alter_algorithm ALTER TABLE 增删主键限制partial · critical · my.ddl.alter_primary_key AUTO_INCREMENT 自增列undeclared · minor · my.ddl.auto_increment 反引号标识符undeclared · minor · my.syntax.backtick MySQL BINARY/VARBINARY 类型partial · major · my.type.binary_varbinary MySQL BIT 类型partial · major · my.type.bit 表/列级 CHARSET 与 COLLATE 子句undeclared · major · my.ddl.charset_collation CHECK 约束执行与静默忽略差异partial · critical · my.ddl.check_constraint CHECK TABLE 管理语句undeclared · major · my.admin.check_table CHECKSUM TABLE 校验语句undeclared · major · my.admin.checksum_table 列 DEFAULT 表达式兼容差异partial · critical · my.ddl.default_expression DECLARE ... HANDLER 条件处理器undeclared · major · my.proc.handler CONVERT(expr USING charset) 字符集转换undeclared · minor · my.func.convert_using MySQL CREATE TABLE ... AS SELECTpartial · major · my.ddl.create_table_as_select DATE_ADD / DATE_SUB / ADDDATE / SUBDATE 日期运算函数undeclared · minor · my.func.date_add_interval DATE_FORMAT 函数（% 格式符体系）undeclared · minor · my.func.date_format MySQL DATETIME/TIMESTAMP 类型语义partial · critical · my.type.datetime_timestamp DEFINER 定义者权限子句undeclared · minor · my.proc.definer MySQL 降序索引列partial · major · my.index.descending ENGINE= 存储引擎子句undeclared · minor · my.ddl.engine_clause ENUM 枚举类型undeclared · major · my.type.enum 事件调度器（CREATE EVENT / ON SCHEDULE）undeclared · major · my.proc.event MySQL ExtractValue XML 函数undeclared · major · my.func.extractvalue MySQL 外键约束partial · critical · my.ddl.foreign_key 全文索引（FULLTEXT / MATCH AGAINST）undeclared · major · my.ddl.fulltext 生成列（GENERATED ALWAYS AS ... VIRTUAL/STORED）undeclared · major · my.ddl.generated_column GROUP_CONCAT 聚合函数undeclared · minor · my.func.group_concat MySQL HANDLER 低层表访问语句undeclared · critical · my.syntax.handler IF(expr, v1, v2) 流程控制函数undeclared · minor · my.func.if IFNULL 函数undeclared · minor · my.func.ifnull USE / FORCE / IGNORE INDEX 索引提示undeclared · minor · my.syntax.index_hints INSERT IGNORE 容错插入undeclared · major · my.syntax.insert_ignore 整数显示宽度 INT(n)undeclared · minor · my.type.int_display_width JSON 列 -> / ->> 操作符undeclared · minor · my.syntax.json_arrow JSON_* 函数族undeclared · major · my.func.json_family LAST_INSERT_ID 函数undeclared · major · my.func.last_insert_id LIMIT offset, count 逗号写法undeclared · minor · my.syntax.limit_comma LOAD DATA [LOCAL] INFILE 批量装载undeclared · major · my.syntax.load_data MySQL LOAD_FILE 函数undeclared · critical · my.func.load_file LOCK TABLES / UNLOCK TABLESundeclared · major · my.syntax.lock_tables MySQL MASTER_POS_WAIT 复制等待undeclared · blocker · my.func.master_pos_wait MySQL MEDIUMINT 类型partial · major · my.type.mediumint MySQL 多值索引partial · critical · my.index.multi_valued AES_ENCRYPT/AES_DECRYPT 密文兼容partial · blocker · my.func.aes_crypto MySQL Enterprise 非对称加密函数族none · blocker · my.func.asymmetric_crypto FROM_BASE64/TO_BASE64 编码细节partial · major · my.func.base64 BIN/BIT_COUNT 位字符串辅助函数partial · major · my.func.bit_helpers MySQL 位异或 ^none · major · my.op.bitwise_xor MySQL 逻辑 XORnone · major · my.op.boolean_xor DAY/DAYOFWEEK/DAYOFYEAR 日序函数族partial · critical · my.func.calendar_day LCASE/UCASE 大小写别名partial · major · my.func.case_alias CHAR 数值序列转字符partial · critical · my.func.char_code COMPRESS/UNCOMPRESS 二进制格式none · critical · my.func.compression MySQL CONCAT 函数none · major · my.func.concat CONNECTION_ID/USER/SYSTEM_USER 会话身份partial · critical · my.func.connection_identity MySQL CONVERT_TZ 时区转换none · critical · my.func.convert_tz CREATE TABLE ... LIKE 克隆表结构none · major · my.ddl.create_table_like MySQL CURDATE 函数none · major · my.func.curdate MySQL DATABASE/SCHEMA 当前库函数none · major · my.func.current_database CURTIME/SYSDATE 当前时间语义partial · critical · my.func.current_time DAYNAME/MONTHNAME 本地化名称partial · major · my.func.date_name DATEDIFF 整日边界差partial · critical · my.func.datediff MySQL 除法零除语义partial · critical · my.op.division_zero_semantics FIELD/ELT 位置与取值函数partial · major · my.func.field_elt FIND_IN_SET 逗号集合查找partial · critical · my.func.find_in_set HEX/UNHEX 二进制与文本转换partial · critical · my.func.hex_helpers MySQL 索引 USING HASH/BTREE/RTREEpartial · major · my.index.type_clause INET6/IPv4 兼容地址函数族partial · critical · my.func.ip_address MySQL ISNULL 函数none · major · my.func.isnull DES/ENCODE/ENCRYPT/OLD_PASSWORD 遗留密码函数none · blocker · my.func.legacy_crypto MySQL LENGTH 字节长度语义partial · critical · my.func.length_bytes LOCATE 子串位置与起始偏移partial · major · my.func.locate LOG/LOG2/LOG10 底数差异partial · critical · my.func.logarithm MAKEDATE 年+日序构造日期partial · major · my.func.makedate MySQL MAKETIME 时长/时间构造none · major · my.func.maketime MID 子串别名partial · major · my.func.mid MySQL 取模零除语义partial · critical · my.op.modulo_zero_semantics MySQL NULL 安全等号 <=>none · major · my.op.null_safe_equality MySQL TRUNCATE 数值截断函数none · minor · my.func.truncate