2022-06-05 23:07:32 +02:00
|
|
|
// Copyright 2021 The Xorm Authors. All rights reserved.
|
|
|
|
|
// Use of this source code is governed by a BSD-style
|
|
|
|
|
// license that can be found in the LICENSE file.
|
|
|
|
|
|
|
|
|
|
package dialects
|
|
|
|
|
|
|
|
|
|
import (
|
|
|
|
|
"context"
|
|
|
|
|
"database/sql"
|
|
|
|
|
"errors"
|
|
|
|
|
"fmt"
|
|
|
|
|
"net/url"
|
|
|
|
|
"strconv"
|
|
|
|
|
"strings"
|
|
|
|
|
|
|
|
|
|
"xorm.io/xorm/convert"
|
|
|
|
|
"xorm.io/xorm/core"
|
|
|
|
|
"xorm.io/xorm/internal/utils"
|
|
|
|
|
"xorm.io/xorm/schemas"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
func init() {
|
|
|
|
|
RegisterDriver("dm", &damengDriver{})
|
|
|
|
|
RegisterDialect(schemas.DAMENG, func() Dialect {
|
|
|
|
|
return &dameng{}
|
|
|
|
|
})
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var (
|
|
|
|
|
damengReservedWords = map[string]bool{
|
|
|
|
|
"ACCESS": true,
|
|
|
|
|
"ACCOUNT": true,
|
|
|
|
|
"ACTIVATE": true,
|
|
|
|
|
"ADD": true,
|
|
|
|
|
"ADMIN": true,
|
|
|
|
|
"ADVISE": true,
|
|
|
|
|
"AFTER": true,
|
|
|
|
|
"ALL": true,
|
|
|
|
|
"ALL_ROWS": true,
|
|
|
|
|
"ALLOCATE": true,
|
|
|
|
|
"ALTER": true,
|
|
|
|
|
"ANALYZE": true,
|
|
|
|
|
"AND": true,
|
|
|
|
|
"ANY": true,
|
|
|
|
|
"ARCHIVE": true,
|
|
|
|
|
"ARCHIVELOG": true,
|
|
|
|
|
"ARRAY": true,
|
|
|
|
|
"AS": true,
|
|
|
|
|
"ASC": true,
|
|
|
|
|
"AT": true,
|
|
|
|
|
"AUDIT": true,
|
|
|
|
|
"AUTHENTICATED": true,
|
|
|
|
|
"AUTHORIZATION": true,
|
|
|
|
|
"AUTOEXTEND": true,
|
|
|
|
|
"AUTOMATIC": true,
|
|
|
|
|
"BACKUP": true,
|
|
|
|
|
"BECOME": true,
|
|
|
|
|
"BEFORE": true,
|
|
|
|
|
"BEGIN": true,
|
|
|
|
|
"BETWEEN": true,
|
|
|
|
|
"BFILE": true,
|
|
|
|
|
"BITMAP": true,
|
|
|
|
|
"BLOB": true,
|
|
|
|
|
"BLOCK": true,
|
|
|
|
|
"BODY": true,
|
|
|
|
|
"BY": true,
|
|
|
|
|
"CACHE": true,
|
|
|
|
|
"CACHE_INSTANCES": true,
|
|
|
|
|
"CANCEL": true,
|
|
|
|
|
"CASCADE": true,
|
|
|
|
|
"CAST": true,
|
|
|
|
|
"CFILE": true,
|
|
|
|
|
"CHAINED": true,
|
|
|
|
|
"CHANGE": true,
|
|
|
|
|
"CHAR": true,
|
|
|
|
|
"CHAR_CS": true,
|
|
|
|
|
"CHARACTER": true,
|
|
|
|
|
"CHECK": true,
|
|
|
|
|
"CHECKPOINT": true,
|
|
|
|
|
"CHOOSE": true,
|
|
|
|
|
"CHUNK": true,
|
|
|
|
|
"CLEAR": true,
|
|
|
|
|
"CLOB": true,
|
|
|
|
|
"CLONE": true,
|
|
|
|
|
"CLOSE": true,
|
|
|
|
|
"CLOSE_CACHED_OPEN_CURSORS": true,
|
|
|
|
|
"CLUSTER": true,
|
|
|
|
|
"COALESCE": true,
|
|
|
|
|
"COLUMN": true,
|
|
|
|
|
"COLUMNS": true,
|
|
|
|
|
"COMMENT": true,
|
|
|
|
|
"COMMIT": true,
|
|
|
|
|
"COMMITTED": true,
|
|
|
|
|
"COMPATIBILITY": true,
|
|
|
|
|
"COMPILE": true,
|
|
|
|
|
"COMPLETE": true,
|
|
|
|
|
"COMPOSITE_LIMIT": true,
|
|
|
|
|
"COMPRESS": true,
|
|
|
|
|
"COMPUTE": true,
|
|
|
|
|
"CONNECT": true,
|
|
|
|
|
"CONNECT_TIME": true,
|
|
|
|
|
"CONSTRAINT": true,
|
|
|
|
|
"CONSTRAINTS": true,
|
|
|
|
|
"CONTENTS": true,
|
|
|
|
|
"CONTINUE": true,
|
|
|
|
|
"CONTROLFILE": true,
|
|
|
|
|
"CONVERT": true,
|
|
|
|
|
"COST": true,
|
|
|
|
|
"CPU_PER_CALL": true,
|
|
|
|
|
"CPU_PER_SESSION": true,
|
|
|
|
|
"CREATE": true,
|
|
|
|
|
"CURRENT": true,
|
|
|
|
|
"CURRENT_SCHEMA": true,
|
|
|
|
|
"CURREN_USER": true,
|
|
|
|
|
"CURSOR": true,
|
|
|
|
|
"CYCLE": true,
|
|
|
|
|
"DANGLING": true,
|
|
|
|
|
"DATABASE": true,
|
|
|
|
|
"DATAFILE": true,
|
|
|
|
|
"DATAFILES": true,
|
|
|
|
|
"DATAOBJNO": true,
|
|
|
|
|
"DATE": true,
|
|
|
|
|
"DBA": true,
|
|
|
|
|
"DBHIGH": true,
|
|
|
|
|
"DBLOW": true,
|
|
|
|
|
"DBMAC": true,
|
|
|
|
|
"DEALLOCATE": true,
|
|
|
|
|
"DEBUG": true,
|
|
|
|
|
"DEC": true,
|
|
|
|
|
"DECIMAL": true,
|
|
|
|
|
"DECLARE": true,
|
|
|
|
|
"DEFAULT": true,
|
|
|
|
|
"DEFERRABLE": true,
|
|
|
|
|
"DEFERRED": true,
|
|
|
|
|
"DEGREE": true,
|
|
|
|
|
"DELETE": true,
|
|
|
|
|
"DEREF": true,
|
|
|
|
|
"DESC": true,
|
|
|
|
|
"DIRECTORY": true,
|
|
|
|
|
"DISABLE": true,
|
|
|
|
|
"DISCONNECT": true,
|
|
|
|
|
"DISMOUNT": true,
|
|
|
|
|
"DISTINCT": true,
|
|
|
|
|
"DISTRIBUTED": true,
|
|
|
|
|
"DML": true,
|
|
|
|
|
"DOUBLE": true,
|
|
|
|
|
"DROP": true,
|
|
|
|
|
"DUMP": true,
|
|
|
|
|
"EACH": true,
|
|
|
|
|
"ELSE": true,
|
|
|
|
|
"ENABLE": true,
|
|
|
|
|
"END": true,
|
|
|
|
|
"ENFORCE": true,
|
|
|
|
|
"ENTRY": true,
|
|
|
|
|
"ESCAPE": true,
|
|
|
|
|
"EXCEPT": true,
|
|
|
|
|
"EXCEPTIONS": true,
|
|
|
|
|
"EXCHANGE": true,
|
|
|
|
|
"EXCLUDING": true,
|
|
|
|
|
"EXCLUSIVE": true,
|
|
|
|
|
"EXECUTE": true,
|
|
|
|
|
"EXISTS": true,
|
|
|
|
|
"EXPIRE": true,
|
|
|
|
|
"EXPLAIN": true,
|
|
|
|
|
"EXTENT": true,
|
|
|
|
|
"EXTENTS": true,
|
|
|
|
|
"EXTERNALLY": true,
|
|
|
|
|
"FAILED_LOGIN_ATTEMPTS": true,
|
|
|
|
|
"FALSE": true,
|
|
|
|
|
"FAST": true,
|
|
|
|
|
"FILE": true,
|
|
|
|
|
"FIRST_ROWS": true,
|
|
|
|
|
"FLAGGER": true,
|
|
|
|
|
"FLOAT": true,
|
|
|
|
|
"FLOB": true,
|
|
|
|
|
"FLUSH": true,
|
|
|
|
|
"FOR": true,
|
|
|
|
|
"FORCE": true,
|
|
|
|
|
"FOREIGN": true,
|
|
|
|
|
"FREELIST": true,
|
|
|
|
|
"FREELISTS": true,
|
|
|
|
|
"FROM": true,
|
|
|
|
|
"FULL": true,
|
|
|
|
|
"FUNCTION": true,
|
|
|
|
|
"GLOBAL": true,
|
|
|
|
|
"GLOBALLY": true,
|
|
|
|
|
"GLOBAL_NAME": true,
|
|
|
|
|
"GRANT": true,
|
|
|
|
|
"GROUP": true,
|
|
|
|
|
"GROUPS": true,
|
|
|
|
|
"HASH": true,
|
|
|
|
|
"HASHKEYS": true,
|
|
|
|
|
"HAVING": true,
|
|
|
|
|
"HEADER": true,
|
|
|
|
|
"HEAP": true,
|
|
|
|
|
"IDENTIFIED": true,
|
|
|
|
|
"IDGENERATORS": true,
|
|
|
|
|
"IDLE_TIME": true,
|
|
|
|
|
"IF": true,
|
|
|
|
|
"IMMEDIATE": true,
|
|
|
|
|
"IN": true,
|
|
|
|
|
"INCLUDING": true,
|
|
|
|
|
"INCREMENT": true,
|
|
|
|
|
"INDEX": true,
|
|
|
|
|
"INDEXED": true,
|
|
|
|
|
"INDEXES": true,
|
|
|
|
|
"INDICATOR": true,
|
|
|
|
|
"IND_PARTITION": true,
|
|
|
|
|
"INITIAL": true,
|
|
|
|
|
"INITIALLY": true,
|
|
|
|
|
"INITRANS": true,
|
|
|
|
|
"INSERT": true,
|
|
|
|
|
"INSTANCE": true,
|
|
|
|
|
"INSTANCES": true,
|
|
|
|
|
"INSTEAD": true,
|
|
|
|
|
"INT": true,
|
|
|
|
|
"INTEGER": true,
|
|
|
|
|
"INTERMEDIATE": true,
|
|
|
|
|
"INTERSECT": true,
|
|
|
|
|
"INTO": true,
|
|
|
|
|
"IS": true,
|
|
|
|
|
"ISOLATION": true,
|
|
|
|
|
"ISOLATION_LEVEL": true,
|
|
|
|
|
"KEEP": true,
|
|
|
|
|
"KEY": true,
|
|
|
|
|
"KILL": true,
|
|
|
|
|
"LABEL": true,
|
|
|
|
|
"LAYER": true,
|
|
|
|
|
"LESS": true,
|
|
|
|
|
"LEVEL": true,
|
|
|
|
|
"LIBRARY": true,
|
|
|
|
|
"LIKE": true,
|
|
|
|
|
"LIMIT": true,
|
|
|
|
|
"LINK": true,
|
|
|
|
|
"LIST": true,
|
|
|
|
|
"LOB": true,
|
|
|
|
|
"LOCAL": true,
|
|
|
|
|
"LOCK": true,
|
|
|
|
|
"LOCKED": true,
|
|
|
|
|
"LOG": true,
|
|
|
|
|
"LOGFILE": true,
|
|
|
|
|
"LOGGING": true,
|
|
|
|
|
"LOGICAL_READS_PER_CALL": true,
|
|
|
|
|
"LOGICAL_READS_PER_SESSION": true,
|
|
|
|
|
"LONG": true,
|
|
|
|
|
"MANAGE": true,
|
|
|
|
|
"MASTER": true,
|
|
|
|
|
"MAX": true,
|
|
|
|
|
"MAXARCHLOGS": true,
|
|
|
|
|
"MAXDATAFILES": true,
|
|
|
|
|
"MAXEXTENTS": true,
|
|
|
|
|
"MAXINSTANCES": true,
|
|
|
|
|
"MAXLOGFILES": true,
|
|
|
|
|
"MAXLOGHISTORY": true,
|
|
|
|
|
"MAXLOGMEMBERS": true,
|
|
|
|
|
"MAXSIZE": true,
|
|
|
|
|
"MAXTRANS": true,
|
|
|
|
|
"MAXVALUE": true,
|
|
|
|
|
"MIN": true,
|
|
|
|
|
"MEMBER": true,
|
|
|
|
|
"MINIMUM": true,
|
|
|
|
|
"MINEXTENTS": true,
|
|
|
|
|
"MINUS": true,
|
|
|
|
|
"MINVALUE": true,
|
|
|
|
|
"MLSLABEL": true,
|
|
|
|
|
"MLS_LABEL_FORMAT": true,
|
|
|
|
|
"MODE": true,
|
|
|
|
|
"MODIFY": true,
|
|
|
|
|
"MOUNT": true,
|
|
|
|
|
"MOVE": true,
|
|
|
|
|
"MTS_DISPATCHERS": true,
|
|
|
|
|
"MULTISET": true,
|
|
|
|
|
"NATIONAL": true,
|
|
|
|
|
"NCHAR": true,
|
|
|
|
|
"NCHAR_CS": true,
|
|
|
|
|
"NCLOB": true,
|
|
|
|
|
"NEEDED": true,
|
|
|
|
|
"NESTED": true,
|
|
|
|
|
"NETWORK": true,
|
|
|
|
|
"NEW": true,
|
|
|
|
|
"NEXT": true,
|
|
|
|
|
"NOARCHIVELOG": true,
|
|
|
|
|
"NOAUDIT": true,
|
|
|
|
|
"NOCACHE": true,
|
|
|
|
|
"NOCOMPRESS": true,
|
|
|
|
|
"NOCYCLE": true,
|
|
|
|
|
"NOFORCE": true,
|
|
|
|
|
"NOLOGGING": true,
|
|
|
|
|
"NOMAXVALUE": true,
|
|
|
|
|
"NOMINVALUE": true,
|
|
|
|
|
"NONE": true,
|
|
|
|
|
"NOORDER": true,
|
|
|
|
|
"NOOVERRIDE": true,
|
|
|
|
|
"NOPARALLEL": true,
|
|
|
|
|
"NOREVERSE": true,
|
|
|
|
|
"NORMAL": true,
|
|
|
|
|
"NOSORT": true,
|
|
|
|
|
"NOT": true,
|
|
|
|
|
"NOTHING": true,
|
|
|
|
|
"NOWAIT": true,
|
|
|
|
|
"NULL": true,
|
|
|
|
|
"NUMBER": true,
|
|
|
|
|
"NUMERIC": true,
|
|
|
|
|
"NVARCHAR2": true,
|
|
|
|
|
"OBJECT": true,
|
|
|
|
|
"OBJNO": true,
|
|
|
|
|
"OBJNO_REUSE": true,
|
|
|
|
|
"OF": true,
|
|
|
|
|
"OFF": true,
|
|
|
|
|
"OFFLINE": true,
|
|
|
|
|
"OID": true,
|
|
|
|
|
"OIDINDEX": true,
|
|
|
|
|
"OLD": true,
|
|
|
|
|
"ON": true,
|
|
|
|
|
"ONLINE": true,
|
|
|
|
|
"ONLY": true,
|
|
|
|
|
"OPCODE": true,
|
|
|
|
|
"OPEN": true,
|
|
|
|
|
"OPTIMAL": true,
|
|
|
|
|
"OPTIMIZER_GOAL": true,
|
|
|
|
|
"OPTION": true,
|
|
|
|
|
"OR": true,
|
|
|
|
|
"ORDER": true,
|
|
|
|
|
"ORGANIZATION": true,
|
|
|
|
|
"OSLABEL": true,
|
|
|
|
|
"OVERFLOW": true,
|
|
|
|
|
"OWN": true,
|
|
|
|
|
"PACKAGE": true,
|
|
|
|
|
"PARALLEL": true,
|
|
|
|
|
"PARTITION": true,
|
|
|
|
|
"PASSWORD": true,
|
|
|
|
|
"PASSWORD_GRACE_TIME": true,
|
|
|
|
|
"PASSWORD_LIFE_TIME": true,
|
|
|
|
|
"PASSWORD_LOCK_TIME": true,
|
|
|
|
|
"PASSWORD_REUSE_MAX": true,
|
|
|
|
|
"PASSWORD_REUSE_TIME": true,
|
|
|
|
|
"PASSWORD_VERIFY_FUNCTION": true,
|
|
|
|
|
"PCTFREE": true,
|
|
|
|
|
"PCTINCREASE": true,
|
|
|
|
|
"PCTTHRESHOLD": true,
|
|
|
|
|
"PCTUSED": true,
|
|
|
|
|
"PCTVERSION": true,
|
|
|
|
|
"PERCENT": true,
|
|
|
|
|
"PERMANENT": true,
|
|
|
|
|
"PLAN": true,
|
|
|
|
|
"PLSQL_DEBUG": true,
|
|
|
|
|
"POST_TRANSACTION": true,
|
|
|
|
|
"PRECISION": true,
|
|
|
|
|
"PRESERVE": true,
|
|
|
|
|
"PRIMARY": true,
|
|
|
|
|
"PRIOR": true,
|
|
|
|
|
"PRIVATE": true,
|
|
|
|
|
"PRIVATE_SGA": true,
|
|
|
|
|
"PRIVILEGE": true,
|
|
|
|
|
"PRIVILEGES": true,
|
|
|
|
|
"PROCEDURE": true,
|
|
|
|
|
"PROFILE": true,
|
|
|
|
|
"PUBLIC": true,
|
|
|
|
|
"PURGE": true,
|
|
|
|
|
"QUEUE": true,
|
|
|
|
|
"QUOTA": true,
|
|
|
|
|
"RANGE": true,
|
|
|
|
|
"RAW": true,
|
|
|
|
|
"RBA": true,
|
|
|
|
|
"READ": true,
|
|
|
|
|
"READUP": true,
|
|
|
|
|
"REAL": true,
|
|
|
|
|
"REBUILD": true,
|
|
|
|
|
"RECOVER": true,
|
|
|
|
|
"RECOVERABLE": true,
|
|
|
|
|
"RECOVERY": true,
|
|
|
|
|
"REF": true,
|
|
|
|
|
"REFERENCES": true,
|
|
|
|
|
"REFERENCING": true,
|
|
|
|
|
"REFRESH": true,
|
|
|
|
|
"RENAME": true,
|
|
|
|
|
"REPLACE": true,
|
|
|
|
|
"RESET": true,
|
|
|
|
|
"RESETLOGS": true,
|
|
|
|
|
"RESIZE": true,
|
|
|
|
|
"RESOURCE": true,
|
|
|
|
|
"RESTRICTED": true,
|
|
|
|
|
"RETURN": true,
|
|
|
|
|
"RETURNING": true,
|
|
|
|
|
"REUSE": true,
|
|
|
|
|
"REVERSE": true,
|
|
|
|
|
"REVOKE": true,
|
|
|
|
|
"ROLE": true,
|
|
|
|
|
"ROLES": true,
|
|
|
|
|
"ROLLBACK": true,
|
|
|
|
|
"ROW": true,
|
|
|
|
|
"ROWID": true,
|
|
|
|
|
"ROWNUM": true,
|
|
|
|
|
"ROWS": true,
|
|
|
|
|
"RULE": true,
|
|
|
|
|
"SAMPLE": true,
|
|
|
|
|
"SAVEPOINT": true,
|
|
|
|
|
"SB4": true,
|
|
|
|
|
"SCAN_INSTANCES": true,
|
|
|
|
|
"SCHEMA": true,
|
|
|
|
|
"SCN": true,
|
|
|
|
|
"SCOPE": true,
|
|
|
|
|
"SD_ALL": true,
|
|
|
|
|
"SD_INHIBIT": true,
|
|
|
|
|
"SD_SHOW": true,
|
|
|
|
|
"SEGMENT": true,
|
|
|
|
|
"SEG_BLOCK": true,
|
|
|
|
|
"SEG_FILE": true,
|
|
|
|
|
"SELECT": true,
|
|
|
|
|
"SEQUENCE": true,
|
|
|
|
|
"SERIALIZABLE": true,
|
|
|
|
|
"SESSION": true,
|
|
|
|
|
"SESSION_CACHED_CURSORS": true,
|
|
|
|
|
"SESSIONS_PER_USER": true,
|
|
|
|
|
"SET": true,
|
|
|
|
|
"SHARE": true,
|
|
|
|
|
"SHARED": true,
|
|
|
|
|
"SHARED_POOL": true,
|
|
|
|
|
"SHRINK": true,
|
|
|
|
|
"SIZE": true,
|
|
|
|
|
"SKIP": true,
|
|
|
|
|
"SKIP_UNUSABLE_INDEXES": true,
|
|
|
|
|
"SMALLINT": true,
|
|
|
|
|
"SNAPSHOT": true,
|
|
|
|
|
"SOME": true,
|
|
|
|
|
"SORT": true,
|
|
|
|
|
"SPECIFICATION": true,
|
|
|
|
|
"SPLIT": true,
|
|
|
|
|
"SQL_TRACE": true,
|
|
|
|
|
"STANDBY": true,
|
|
|
|
|
"START": true,
|
|
|
|
|
"STATEMENT_ID": true,
|
|
|
|
|
"STATISTICS": true,
|
|
|
|
|
"STOP": true,
|
|
|
|
|
"STORAGE": true,
|
|
|
|
|
"STORE": true,
|
|
|
|
|
"STRUCTURE": true,
|
|
|
|
|
"SUCCESSFUL": true,
|
|
|
|
|
"SWITCH": true,
|
|
|
|
|
"SYS_OP_ENFORCE_NOT_NULL$": true,
|
|
|
|
|
"SYS_OP_NTCIMG$": true,
|
|
|
|
|
"SYNONYM": true,
|
|
|
|
|
"SYSDATE": true,
|
|
|
|
|
"SYSDBA": true,
|
|
|
|
|
"SYSOPER": true,
|
|
|
|
|
"SYSTEM": true,
|
|
|
|
|
"TABLE": true,
|
|
|
|
|
"TABLES": true,
|
|
|
|
|
"TABLESPACE": true,
|
|
|
|
|
"TABLESPACE_NO": true,
|
|
|
|
|
"TABNO": true,
|
|
|
|
|
"TEMPORARY": true,
|
|
|
|
|
"THAN": true,
|
|
|
|
|
"THE": true,
|
|
|
|
|
"THEN": true,
|
|
|
|
|
"THREAD": true,
|
|
|
|
|
"TIMESTAMP": true,
|
|
|
|
|
"TIME": true,
|
|
|
|
|
"TO": true,
|
|
|
|
|
"TOPLEVEL": true,
|
|
|
|
|
"TRACE": true,
|
|
|
|
|
"TRACING": true,
|
|
|
|
|
"TRANSACTION": true,
|
|
|
|
|
"TRANSITIONAL": true,
|
|
|
|
|
"TRIGGER": true,
|
|
|
|
|
"TRIGGERS": true,
|
|
|
|
|
"TRUE": true,
|
|
|
|
|
"TRUNCATE": true,
|
|
|
|
|
"TX": true,
|
|
|
|
|
"TYPE": true,
|
|
|
|
|
"UB2": true,
|
|
|
|
|
"UBA": true,
|
|
|
|
|
"UID": true,
|
|
|
|
|
"UNARCHIVED": true,
|
|
|
|
|
"UNDO": true,
|
|
|
|
|
"UNION": true,
|
|
|
|
|
"UNIQUE": true,
|
|
|
|
|
"UNLIMITED": true,
|
|
|
|
|
"UNLOCK": true,
|
|
|
|
|
"UNRECOVERABLE": true,
|
|
|
|
|
"UNTIL": true,
|
|
|
|
|
"UNUSABLE": true,
|
|
|
|
|
"UNUSED": true,
|
|
|
|
|
"UPDATABLE": true,
|
|
|
|
|
"UPDATE": true,
|
|
|
|
|
"USAGE": true,
|
|
|
|
|
"USE": true,
|
|
|
|
|
"USER": true,
|
|
|
|
|
"USING": true,
|
|
|
|
|
"VALIDATE": true,
|
|
|
|
|
"VALIDATION": true,
|
|
|
|
|
"VALUE": true,
|
|
|
|
|
"VALUES": true,
|
|
|
|
|
"VARCHAR": true,
|
|
|
|
|
"VARCHAR2": true,
|
|
|
|
|
"VARYING": true,
|
|
|
|
|
"VIEW": true,
|
|
|
|
|
"WHEN": true,
|
|
|
|
|
"WHENEVER": true,
|
|
|
|
|
"WHERE": true,
|
|
|
|
|
"WITH": true,
|
|
|
|
|
"WITHOUT": true,
|
|
|
|
|
"WORK": true,
|
|
|
|
|
"WRITE": true,
|
|
|
|
|
"WRITEDOWN": true,
|
|
|
|
|
"WRITEUP": true,
|
|
|
|
|
"XID": true,
|
|
|
|
|
"YEAR": true,
|
|
|
|
|
"ZONE": true,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
damengQuoter = schemas.Quoter{
|
|
|
|
|
Prefix: '"',
|
|
|
|
|
Suffix: '"',
|
|
|
|
|
IsReserved: schemas.AlwaysReserve,
|
|
|
|
|
}
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
type dameng struct {
|
|
|
|
|
Base
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) Init(uri *URI) error {
|
|
|
|
|
db.quoter = damengQuoter
|
|
|
|
|
return db.Base.Init(db, uri)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) Version(ctx context.Context, queryer core.Queryer) (*schemas.Version, error) {
|
|
|
|
|
rows, err := queryer.QueryContext(ctx, "SELECT * FROM V$VERSION") // select id_code
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
defer rows.Close()
|
|
|
|
|
|
|
|
|
|
var version string
|
|
|
|
|
if !rows.Next() {
|
|
|
|
|
if rows.Err() != nil {
|
|
|
|
|
return nil, rows.Err()
|
|
|
|
|
}
|
|
|
|
|
return nil, errors.New("unknow version")
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if err := rows.Scan(&version); err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
return &schemas.Version{
|
|
|
|
|
Number: version,
|
|
|
|
|
}, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) Features() *DialectFeatures {
|
|
|
|
|
return &DialectFeatures{
|
|
|
|
|
AutoincrMode: SequenceAutoincrMode,
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// DropIndexSQL returns a SQL to drop index
|
|
|
|
|
func (db *dameng) DropIndexSQL(tableName string, index *schemas.Index) string {
|
|
|
|
|
quote := db.dialect.Quoter().Quote
|
|
|
|
|
var name string
|
|
|
|
|
if index.IsRegular {
|
|
|
|
|
name = index.XName(tableName)
|
|
|
|
|
} else {
|
|
|
|
|
name = index.Name
|
|
|
|
|
}
|
|
|
|
|
return fmt.Sprintf("DROP INDEX %v", quote(name))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) SQLType(c *schemas.Column) string {
|
|
|
|
|
var res string
|
|
|
|
|
switch t := c.SQLType.Name; t {
|
|
|
|
|
case schemas.TinyInt, "BYTE":
|
|
|
|
|
return "TINYINT"
|
|
|
|
|
case schemas.SmallInt, schemas.MediumInt, schemas.Int, schemas.Integer, schemas.UnsignedTinyInt:
|
|
|
|
|
return "INTEGER"
|
|
|
|
|
case schemas.BigInt,
|
|
|
|
|
schemas.UnsignedBigInt, schemas.UnsignedBit, schemas.UnsignedInt,
|
|
|
|
|
schemas.Serial, schemas.BigSerial:
|
|
|
|
|
return "BIGINT"
|
|
|
|
|
case schemas.Bit, schemas.Bool, schemas.Boolean:
|
|
|
|
|
return schemas.Bit
|
|
|
|
|
case schemas.Uuid:
|
|
|
|
|
res = schemas.Varchar
|
|
|
|
|
c.Length = 40
|
|
|
|
|
case schemas.Binary:
|
|
|
|
|
if c.Length == 0 {
|
|
|
|
|
return schemas.Binary + "(MAX)"
|
|
|
|
|
}
|
|
|
|
|
case schemas.VarBinary, schemas.Blob, schemas.TinyBlob, schemas.MediumBlob, schemas.LongBlob, schemas.Bytea:
|
|
|
|
|
return schemas.VarBinary
|
|
|
|
|
case schemas.Date:
|
|
|
|
|
return schemas.Date
|
|
|
|
|
case schemas.Time:
|
|
|
|
|
if c.Length > 0 {
|
|
|
|
|
return fmt.Sprintf("%s(%d)", schemas.Time, c.Length)
|
|
|
|
|
}
|
|
|
|
|
return schemas.Time
|
|
|
|
|
case schemas.DateTime, schemas.TimeStamp:
|
|
|
|
|
res = schemas.TimeStamp
|
|
|
|
|
case schemas.TimeStampz:
|
|
|
|
|
if c.Length > 0 {
|
|
|
|
|
return fmt.Sprintf("TIMESTAMP(%d) WITH TIME ZONE", c.Length)
|
|
|
|
|
}
|
|
|
|
|
return "TIMESTAMP WITH TIME ZONE"
|
|
|
|
|
case schemas.Float:
|
|
|
|
|
res = "FLOAT"
|
|
|
|
|
case schemas.Real, schemas.Double:
|
|
|
|
|
res = "REAL"
|
|
|
|
|
case schemas.Numeric, schemas.Decimal, "NUMBER":
|
|
|
|
|
res = "NUMERIC"
|
|
|
|
|
case schemas.Text, schemas.Json:
|
|
|
|
|
return "TEXT"
|
|
|
|
|
case schemas.MediumText, schemas.LongText:
|
|
|
|
|
res = "CLOB"
|
|
|
|
|
case schemas.Char, schemas.Varchar, schemas.TinyText:
|
|
|
|
|
res = "VARCHAR2"
|
|
|
|
|
default:
|
|
|
|
|
res = t
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
hasLen1 := (c.Length > 0)
|
|
|
|
|
hasLen2 := (c.Length2 > 0)
|
|
|
|
|
|
|
|
|
|
if hasLen2 {
|
2023-01-14 13:28:44 +01:00
|
|
|
res += "(" + strconv.FormatInt(c.Length, 10) + "," + strconv.FormatInt(c.Length2, 10) + ")"
|
2022-06-05 23:07:32 +02:00
|
|
|
} else if hasLen1 {
|
2023-01-14 13:28:44 +01:00
|
|
|
res += "(" + strconv.FormatInt(c.Length, 10) + ")"
|
2022-06-05 23:07:32 +02:00
|
|
|
}
|
|
|
|
|
return res
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) ColumnTypeKind(t string) int {
|
|
|
|
|
switch strings.ToUpper(t) {
|
|
|
|
|
case "DATE":
|
|
|
|
|
return schemas.TIME_TYPE
|
|
|
|
|
case "CHAR", "NCHAR", "VARCHAR", "VARCHAR2", "NVARCHAR2", "LONG", "CLOB", "NCLOB":
|
|
|
|
|
return schemas.TEXT_TYPE
|
|
|
|
|
case "NUMBER":
|
|
|
|
|
return schemas.NUMERIC_TYPE
|
|
|
|
|
case "BLOB":
|
|
|
|
|
return schemas.BLOB_TYPE
|
|
|
|
|
default:
|
|
|
|
|
return schemas.UNKNOW_TYPE
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) AutoIncrStr() string {
|
|
|
|
|
return "IDENTITY"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) IsReserved(name string) bool {
|
|
|
|
|
_, ok := damengReservedWords[strings.ToUpper(name)]
|
|
|
|
|
return ok
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) DropTableSQL(tableName string) (string, bool) {
|
|
|
|
|
return fmt.Sprintf("DROP TABLE %s", db.quoter.Quote(tableName)), false
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ModifyColumnSQL returns a SQL to modify SQL
|
|
|
|
|
func (db *dameng) ModifyColumnSQL(tableName string, col *schemas.Column) string {
|
|
|
|
|
s, _ := ColumnString(db.dialect, col, false)
|
|
|
|
|
return fmt.Sprintf("ALTER TABLE %s MODIFY %s", db.quoter.Quote(tableName), s)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) CreateTableSQL(ctx context.Context, queryer core.Queryer, table *schemas.Table, tableName string) (string, bool, error) {
|
|
|
|
|
if tableName == "" {
|
|
|
|
|
tableName = table.Name
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
quoter := db.Quoter()
|
|
|
|
|
var b strings.Builder
|
|
|
|
|
if _, err := b.WriteString("CREATE TABLE "); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
if err := quoter.QuoteTo(&b, tableName); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
if _, err := b.WriteString(" ("); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pkList := table.PrimaryKeys
|
|
|
|
|
|
|
|
|
|
for i, colName := range table.ColumnsSeq() {
|
|
|
|
|
col := table.GetColumn(colName)
|
|
|
|
|
if col.SQLType.IsBool() && !col.DefaultIsEmpty {
|
|
|
|
|
if col.Default == "true" {
|
|
|
|
|
col.Default = "1"
|
|
|
|
|
} else if col.Default == "false" {
|
|
|
|
|
col.Default = "0"
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
s, _ := ColumnString(db, col, false)
|
|
|
|
|
if _, err := b.WriteString(s); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
if i != len(table.ColumnsSeq())-1 {
|
|
|
|
|
if _, err := b.WriteString(", "); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if len(pkList) > 0 {
|
|
|
|
|
if len(table.ColumnsSeq()) > 0 {
|
|
|
|
|
if _, err := b.WriteString(", "); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if _, err := b.WriteString(fmt.Sprintf("CONSTRAINT PK_%s PRIMARY KEY (", tableName)); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
if err := quoter.JoinWrite(&b, pkList, ","); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
if _, err := b.WriteString(")"); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if _, err := b.WriteString(")"); err != nil {
|
|
|
|
|
return "", false, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return b.String(), false, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) SetQuotePolicy(quotePolicy QuotePolicy) {
|
|
|
|
|
switch quotePolicy {
|
|
|
|
|
case QuotePolicyNone:
|
2023-01-14 13:28:44 +01:00
|
|
|
q := damengQuoter
|
2022-06-05 23:07:32 +02:00
|
|
|
q.IsReserved = schemas.AlwaysNoReserve
|
|
|
|
|
db.quoter = q
|
|
|
|
|
case QuotePolicyReserved:
|
2023-01-14 13:28:44 +01:00
|
|
|
q := damengQuoter
|
2022-06-05 23:07:32 +02:00
|
|
|
q.IsReserved = db.IsReserved
|
|
|
|
|
db.quoter = q
|
|
|
|
|
case QuotePolicyAlways:
|
|
|
|
|
fallthrough
|
|
|
|
|
default:
|
|
|
|
|
db.quoter = damengQuoter
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) IndexCheckSQL(tableName, idxName string) (string, []interface{}) {
|
|
|
|
|
args := []interface{}{tableName, idxName}
|
|
|
|
|
return `SELECT INDEX_NAME FROM USER_INDEXES ` +
|
|
|
|
|
`WHERE TABLE_NAME = ? AND INDEX_NAME = ?`, args
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) IsTableExist(queryer core.Queryer, ctx context.Context, tableName string) (bool, error) {
|
|
|
|
|
return db.HasRecords(queryer, ctx, `SELECT table_name FROM user_tables WHERE table_name = ?`, tableName)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) IsSequenceExist(ctx context.Context, queryer core.Queryer, seqName string) (bool, error) {
|
|
|
|
|
var cnt int
|
|
|
|
|
rows, err := queryer.QueryContext(ctx, "SELECT COUNT(*) FROM user_sequences WHERE sequence_name = ?", seqName)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return false, err
|
|
|
|
|
}
|
|
|
|
|
defer rows.Close()
|
|
|
|
|
if !rows.Next() {
|
|
|
|
|
if rows.Err() != nil {
|
|
|
|
|
return false, rows.Err()
|
|
|
|
|
}
|
|
|
|
|
return false, errors.New("query sequence failed")
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if err := rows.Scan(&cnt); err != nil {
|
|
|
|
|
return false, err
|
|
|
|
|
}
|
|
|
|
|
return cnt > 0, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) IsColumnExist(queryer core.Queryer, ctx context.Context, tableName, colName string) (bool, error) {
|
|
|
|
|
args := []interface{}{tableName, colName}
|
|
|
|
|
query := "SELECT column_name FROM USER_TAB_COLUMNS WHERE table_name = ?" +
|
|
|
|
|
" AND column_name = ?"
|
|
|
|
|
return db.HasRecords(queryer, ctx, query, args...)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var _ sql.Scanner = &dmClobScanner{}
|
|
|
|
|
|
|
|
|
|
type dmClobScanner struct {
|
|
|
|
|
valid bool
|
|
|
|
|
data string
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
type dmClobObject interface {
|
|
|
|
|
GetLength() (int64, error)
|
|
|
|
|
ReadString(int, int) (string, error)
|
|
|
|
|
}
|
|
|
|
|
|
2023-01-14 13:28:44 +01:00
|
|
|
// var _ dmClobObject = &dm.DmClob{}
|
2022-06-05 23:07:32 +02:00
|
|
|
|
|
|
|
|
func (d *dmClobScanner) Scan(data interface{}) error {
|
|
|
|
|
if data == nil {
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch t := data.(type) {
|
|
|
|
|
case dmClobObject: // *dm.DmClob
|
|
|
|
|
if t == nil {
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
l, err := t.GetLength()
|
|
|
|
|
if err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
if l == 0 {
|
|
|
|
|
d.valid = true
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
d.data, err = t.ReadString(1, int(l))
|
|
|
|
|
if err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
d.valid = true
|
|
|
|
|
return nil
|
|
|
|
|
case []byte:
|
|
|
|
|
if t == nil {
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
d.data = string(t)
|
|
|
|
|
d.valid = true
|
|
|
|
|
return nil
|
|
|
|
|
default:
|
|
|
|
|
return fmt.Errorf("cannot convert %T as dmClobScanner", data)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func addSingleQuote(name string) string {
|
|
|
|
|
if len(name) < 2 {
|
|
|
|
|
return name
|
|
|
|
|
}
|
|
|
|
|
if name[0] == '\'' && name[len(name)-1] == '\'' {
|
|
|
|
|
return name
|
|
|
|
|
}
|
|
|
|
|
return fmt.Sprintf("'%s'", name)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
|
|
|
|
|
s := `select column_name from user_cons_columns
|
|
|
|
|
where constraint_name = (select constraint_name from user_constraints
|
|
|
|
|
where table_name = ? and constraint_type ='P')`
|
|
|
|
|
rows, err := queryer.QueryContext(ctx, s, tableName)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, nil, err
|
|
|
|
|
}
|
|
|
|
|
defer rows.Close()
|
|
|
|
|
|
|
|
|
|
var pkNames []string
|
|
|
|
|
for rows.Next() {
|
|
|
|
|
var pkName string
|
|
|
|
|
err = rows.Scan(&pkName)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, nil, err
|
|
|
|
|
}
|
|
|
|
|
pkNames = append(pkNames, pkName)
|
|
|
|
|
}
|
|
|
|
|
if rows.Err() != nil {
|
|
|
|
|
return nil, nil, rows.Err()
|
|
|
|
|
}
|
|
|
|
|
rows.Close()
|
|
|
|
|
|
|
|
|
|
s = `SELECT USER_TAB_COLS.COLUMN_NAME, USER_TAB_COLS.DATA_DEFAULT, USER_TAB_COLS.DATA_TYPE, USER_TAB_COLS.DATA_LENGTH,
|
|
|
|
|
USER_TAB_COLS.data_precision, USER_TAB_COLS.data_scale, USER_TAB_COLS.NULLABLE,
|
|
|
|
|
user_col_comments.comments
|
|
|
|
|
FROM USER_TAB_COLS
|
|
|
|
|
LEFT JOIN user_col_comments on user_col_comments.TABLE_NAME=USER_TAB_COLS.TABLE_NAME
|
|
|
|
|
AND user_col_comments.COLUMN_NAME=USER_TAB_COLS.COLUMN_NAME
|
|
|
|
|
WHERE USER_TAB_COLS.table_name = ?`
|
|
|
|
|
rows, err = queryer.QueryContext(ctx, s, tableName)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, nil, err
|
|
|
|
|
}
|
|
|
|
|
defer rows.Close()
|
|
|
|
|
|
|
|
|
|
cols := make(map[string]*schemas.Column)
|
|
|
|
|
colSeq := make([]string, 0)
|
|
|
|
|
for rows.Next() {
|
|
|
|
|
col := new(schemas.Column)
|
|
|
|
|
col.Indexes = make(map[string]int)
|
|
|
|
|
|
|
|
|
|
var colDefault dmClobScanner
|
|
|
|
|
var colName, nullable, dataType, dataPrecision, comment sql.NullString
|
|
|
|
|
var dataScale, dataLen sql.NullInt64
|
|
|
|
|
|
|
|
|
|
err = rows.Scan(&colName, &colDefault, &dataType, &dataLen, &dataPrecision,
|
|
|
|
|
&dataScale, &nullable, &comment)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if !colName.Valid {
|
|
|
|
|
return nil, nil, errors.New("column name is nil")
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
col.Name = strings.Trim(colName.String, `" `)
|
|
|
|
|
if colDefault.valid {
|
|
|
|
|
col.Default = colDefault.data
|
|
|
|
|
} else {
|
|
|
|
|
col.DefaultIsEmpty = true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if nullable.String == "Y" {
|
|
|
|
|
col.Nullable = true
|
|
|
|
|
} else {
|
|
|
|
|
col.Nullable = false
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if !comment.Valid {
|
|
|
|
|
col.Comment = comment.String
|
|
|
|
|
}
|
|
|
|
|
if utils.IndexSlice(pkNames, col.Name) > -1 {
|
|
|
|
|
col.IsPrimaryKey = true
|
|
|
|
|
has, err := db.HasRecords(queryer, ctx, "SELECT * FROM USER_SEQUENCES WHERE SEQUENCE_NAME = ?", utils.SeqName(tableName))
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, nil, err
|
|
|
|
|
}
|
|
|
|
|
if has {
|
|
|
|
|
col.IsAutoIncrement = true
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var (
|
|
|
|
|
ignore bool
|
|
|
|
|
dt string
|
2023-01-14 13:28:44 +01:00
|
|
|
len1, len2 int64
|
2022-06-05 23:07:32 +02:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
dts := strings.Split(dataType.String, "(")
|
|
|
|
|
dt = dts[0]
|
|
|
|
|
if len(dts) > 1 {
|
|
|
|
|
lens := strings.Split(dts[1][:len(dts[1])-1], ",")
|
|
|
|
|
if len(lens) > 1 {
|
2023-01-14 13:28:44 +01:00
|
|
|
len1, _ = strconv.ParseInt(lens[0], 10, 64)
|
|
|
|
|
len2, _ = strconv.ParseInt(lens[1], 10, 64)
|
2022-06-05 23:07:32 +02:00
|
|
|
} else {
|
2023-01-14 13:28:44 +01:00
|
|
|
len1, _ = strconv.ParseInt(lens[0], 10, 64)
|
2022-06-05 23:07:32 +02:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch dt {
|
|
|
|
|
case "VARCHAR2":
|
|
|
|
|
col.SQLType = schemas.SQLType{Name: "VARCHAR2", DefaultLength: len1, DefaultLength2: len2}
|
|
|
|
|
case "VARCHAR":
|
|
|
|
|
col.SQLType = schemas.SQLType{Name: schemas.Varchar, DefaultLength: len1, DefaultLength2: len2}
|
|
|
|
|
case "TIMESTAMP WITH TIME ZONE":
|
|
|
|
|
col.SQLType = schemas.SQLType{Name: schemas.TimeStampz, DefaultLength: 0, DefaultLength2: 0}
|
|
|
|
|
case "NUMBER":
|
|
|
|
|
col.SQLType = schemas.SQLType{Name: "NUMBER", DefaultLength: len1, DefaultLength2: len2}
|
|
|
|
|
case "LONG", "LONG RAW", "NCLOB", "CLOB", "TEXT":
|
|
|
|
|
col.SQLType = schemas.SQLType{Name: schemas.Text, DefaultLength: 0, DefaultLength2: 0}
|
|
|
|
|
case "RAW":
|
|
|
|
|
col.SQLType = schemas.SQLType{Name: schemas.Binary, DefaultLength: 0, DefaultLength2: 0}
|
|
|
|
|
case "ROWID":
|
|
|
|
|
col.SQLType = schemas.SQLType{Name: schemas.Varchar, DefaultLength: 18, DefaultLength2: 0}
|
|
|
|
|
case "AQ$_SUBSCRIBERS":
|
|
|
|
|
ignore = true
|
|
|
|
|
default:
|
|
|
|
|
col.SQLType = schemas.SQLType{Name: strings.ToUpper(dt), DefaultLength: len1, DefaultLength2: len2}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ignore {
|
|
|
|
|
continue
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if _, ok := schemas.SqlTypes[col.SQLType.Name]; !ok {
|
|
|
|
|
return nil, nil, fmt.Errorf("unknown colType %v %v", dataType.String, col.SQLType)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if col.SQLType.Name == "TIMESTAMP" {
|
2023-01-14 13:28:44 +01:00
|
|
|
col.Length = dataScale.Int64
|
2022-06-05 23:07:32 +02:00
|
|
|
} else {
|
2023-01-14 13:28:44 +01:00
|
|
|
col.Length = dataLen.Int64
|
2022-06-05 23:07:32 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if col.SQLType.IsTime() {
|
|
|
|
|
if !col.DefaultIsEmpty && !strings.EqualFold(col.Default, "CURRENT_TIMESTAMP") {
|
|
|
|
|
col.Default = addSingleQuote(col.Default)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
cols[col.Name] = col
|
|
|
|
|
colSeq = append(colSeq, col.Name)
|
|
|
|
|
}
|
|
|
|
|
if rows.Err() != nil {
|
|
|
|
|
return nil, nil, rows.Err()
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return colSeq, cols, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) GetTables(queryer core.Queryer, ctx context.Context) ([]*schemas.Table, error) {
|
|
|
|
|
s := "SELECT table_name FROM user_tables WHERE temporary = 'N' AND table_name NOT LIKE ?"
|
|
|
|
|
args := []interface{}{strings.ToUpper(db.uri.User), "%$%"}
|
|
|
|
|
|
|
|
|
|
rows, err := queryer.QueryContext(ctx, s, args...)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
defer rows.Close()
|
|
|
|
|
|
|
|
|
|
tables := make([]*schemas.Table, 0)
|
|
|
|
|
for rows.Next() {
|
|
|
|
|
table := schemas.NewEmptyTable()
|
|
|
|
|
err = rows.Scan(&table.Name)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
tables = append(tables, table)
|
|
|
|
|
}
|
|
|
|
|
if rows.Err() != nil {
|
|
|
|
|
return nil, rows.Err()
|
|
|
|
|
}
|
|
|
|
|
return tables, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) GetIndexes(queryer core.Queryer, ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
|
|
|
|
|
args := []interface{}{tableName, tableName}
|
|
|
|
|
s := "SELECT t.column_name,i.uniqueness,i.index_name FROM user_ind_columns t,user_indexes i " +
|
|
|
|
|
"WHERE t.index_name = i.index_name and t.table_name = i.table_name and t.table_name =?" +
|
|
|
|
|
" AND t.index_name not in (SELECT index_name FROM ALL_CONSTRAINTS WHERE CONSTRAINT_TYPE='P' AND table_name = ?)"
|
|
|
|
|
|
|
|
|
|
rows, err := queryer.QueryContext(ctx, s, args...)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
defer rows.Close()
|
|
|
|
|
|
|
|
|
|
indexes := make(map[string]*schemas.Index)
|
|
|
|
|
for rows.Next() {
|
|
|
|
|
var indexType int
|
|
|
|
|
var indexName, colName, uniqueness string
|
|
|
|
|
|
|
|
|
|
err = rows.Scan(&colName, &uniqueness, &indexName)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
indexName = strings.Trim(indexName, `" `)
|
|
|
|
|
|
|
|
|
|
var isRegular bool
|
|
|
|
|
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
|
|
|
|
indexName = indexName[5+len(tableName):]
|
|
|
|
|
isRegular = true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if uniqueness == "UNIQUE" {
|
|
|
|
|
indexType = schemas.UniqueType
|
|
|
|
|
} else {
|
|
|
|
|
indexType = schemas.IndexType
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var index *schemas.Index
|
|
|
|
|
var ok bool
|
|
|
|
|
if index, ok = indexes[indexName]; !ok {
|
|
|
|
|
index = new(schemas.Index)
|
|
|
|
|
index.Type = indexType
|
|
|
|
|
index.Name = indexName
|
|
|
|
|
index.IsRegular = isRegular
|
|
|
|
|
indexes[indexName] = index
|
|
|
|
|
}
|
|
|
|
|
index.AddColumn(colName)
|
|
|
|
|
}
|
|
|
|
|
if rows.Err() != nil {
|
|
|
|
|
return nil, rows.Err()
|
|
|
|
|
}
|
|
|
|
|
return indexes, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (db *dameng) Filters() []Filter {
|
|
|
|
|
return []Filter{}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
type damengDriver struct {
|
|
|
|
|
baseDriver
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Features return features
|
|
|
|
|
func (d *damengDriver) Features() *DriverFeatures {
|
|
|
|
|
return &DriverFeatures{
|
|
|
|
|
SupportReturnInsertedID: false,
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Parse parse the datasource
|
|
|
|
|
// dm://userName:password@ip:port
|
|
|
|
|
func (d *damengDriver) Parse(driverName, dataSourceName string) (*URI, error) {
|
|
|
|
|
u, err := url.Parse(dataSourceName)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if u.User == nil {
|
|
|
|
|
return nil, errors.New("user/password needed")
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
passwd, _ := u.User.Password()
|
|
|
|
|
return &URI{
|
|
|
|
|
DBType: schemas.DAMENG,
|
|
|
|
|
Proto: u.Scheme,
|
|
|
|
|
Host: u.Hostname(),
|
|
|
|
|
Port: u.Port(),
|
|
|
|
|
DBName: u.User.Username(),
|
|
|
|
|
User: u.User.Username(),
|
|
|
|
|
Passwd: passwd,
|
|
|
|
|
}, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (d *damengDriver) GenScanResult(colType string) (interface{}, error) {
|
|
|
|
|
switch colType {
|
|
|
|
|
case "CHAR", "NCHAR", "VARCHAR", "VARCHAR2", "NVARCHAR2", "LONG", "CLOB", "NCLOB":
|
|
|
|
|
var s sql.NullString
|
|
|
|
|
return &s, nil
|
|
|
|
|
case "NUMBER":
|
|
|
|
|
var s sql.NullString
|
|
|
|
|
return &s, nil
|
|
|
|
|
case "BIGINT":
|
|
|
|
|
var s sql.NullInt64
|
|
|
|
|
return &s, nil
|
|
|
|
|
case "INTEGER":
|
|
|
|
|
var s sql.NullInt32
|
|
|
|
|
return &s, nil
|
|
|
|
|
case "DATE", "TIMESTAMP":
|
|
|
|
|
var s sql.NullString
|
|
|
|
|
return &s, nil
|
|
|
|
|
case "BLOB":
|
|
|
|
|
var r sql.RawBytes
|
|
|
|
|
return &r, nil
|
|
|
|
|
case "FLOAT":
|
|
|
|
|
var s sql.NullFloat64
|
|
|
|
|
return &s, nil
|
|
|
|
|
default:
|
|
|
|
|
var r sql.RawBytes
|
|
|
|
|
return &r, nil
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (d *damengDriver) Scan(ctx *ScanContext, rows *core.Rows, types []*sql.ColumnType, vv ...interface{}) error {
|
2023-01-14 13:28:44 +01:00
|
|
|
scanResults := make([]interface{}, 0, len(types))
|
|
|
|
|
replaces := make([]bool, 0, len(types))
|
2022-06-05 23:07:32 +02:00
|
|
|
var err error
|
|
|
|
|
for i, v := range vv {
|
|
|
|
|
var replaced bool
|
|
|
|
|
var scanResult interface{}
|
|
|
|
|
switch types[i].DatabaseTypeName() {
|
|
|
|
|
case "CLOB", "TEXT":
|
|
|
|
|
scanResult = &dmClobScanner{}
|
|
|
|
|
replaced = true
|
|
|
|
|
case "TIMESTAMP":
|
|
|
|
|
scanResult = &sql.NullString{}
|
|
|
|
|
replaced = true
|
|
|
|
|
default:
|
|
|
|
|
scanResult = v
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
scanResults = append(scanResults, scanResult)
|
|
|
|
|
replaces = append(replaces, replaced)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if err = rows.Scan(scanResults...); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for i, replaced := range replaces {
|
|
|
|
|
if replaced {
|
|
|
|
|
switch t := scanResults[i].(type) {
|
|
|
|
|
case *dmClobScanner:
|
|
|
|
|
var d interface{}
|
|
|
|
|
if t.valid {
|
|
|
|
|
d = t.data
|
|
|
|
|
} else {
|
|
|
|
|
d = nil
|
|
|
|
|
}
|
|
|
|
|
if err := convert.Assign(vv[i], d, ctx.DBLocation, ctx.UserLocation); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
default:
|
|
|
|
|
switch types[i].DatabaseTypeName() {
|
|
|
|
|
case "TIMESTAMP":
|
|
|
|
|
ns := t.(*sql.NullString)
|
|
|
|
|
if !ns.Valid {
|
|
|
|
|
break
|
|
|
|
|
}
|
|
|
|
|
s := ns.String
|
|
|
|
|
fields := strings.Split(s, "+")
|
|
|
|
|
if err := convert.Assign(vv[i], strings.Replace(fields[0], "T", " ", -1), ctx.DBLocation, ctx.UserLocation); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
default:
|
|
|
|
|
return fmt.Errorf("don't support convert %T to %T", t, vv[i])
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return nil
|
|
|
|
|
}
|
