mirror of
https://github.com/go-gitea/gitea
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929 lines
29 KiB
Go
Vendored
929 lines
29 KiB
Go
Vendored
// Copyright 2015 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package dialects
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import (
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"context"
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"database/sql"
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"errors"
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"xorm.io/xorm/core"
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"xorm.io/xorm/schemas"
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)
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var (
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oracleReservedWords = map[string]bool{
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"ACCESS": true,
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"ACCOUNT": true,
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"ACTIVATE": true,
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"ADD": true,
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"ADMIN": true,
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"ADVISE": true,
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"AFTER": true,
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"ALL": true,
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"ALL_ROWS": true,
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"ALLOCATE": true,
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"ALTER": true,
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"ANALYZE": true,
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"AND": true,
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"ANY": true,
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"ARCHIVE": true,
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"ARCHIVELOG": true,
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"ARRAY": true,
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"AS": true,
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"ASC": true,
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"AT": true,
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"AUDIT": true,
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"AUTHENTICATED": true,
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"AUTHORIZATION": true,
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"AUTOEXTEND": true,
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"AUTOMATIC": true,
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"BACKUP": true,
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"BECOME": true,
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"BEFORE": true,
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"BEGIN": true,
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"BETWEEN": true,
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"BFILE": true,
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"BITMAP": true,
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"BLOB": true,
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"BLOCK": true,
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"BODY": true,
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"BY": true,
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"CACHE": true,
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"CACHE_INSTANCES": true,
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"CANCEL": true,
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"CASCADE": true,
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"CAST": true,
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"CFILE": true,
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"CHAINED": true,
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"CHANGE": true,
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"CHAR": true,
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"CHAR_CS": true,
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"CHARACTER": true,
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"CHECK": true,
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"CHECKPOINT": true,
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"CHOOSE": true,
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"CHUNK": true,
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"CLEAR": true,
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"CLOB": true,
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"CLONE": true,
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"CLOSE": true,
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"CLOSE_CACHED_OPEN_CURSORS": true,
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"CLUSTER": true,
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"COALESCE": true,
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"COLUMN": true,
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"COLUMNS": true,
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"COMMENT": true,
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"COMMIT": true,
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"COMMITTED": true,
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"COMPATIBILITY": true,
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"COMPILE": true,
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"COMPLETE": true,
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"COMPOSITE_LIMIT": true,
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"COMPRESS": true,
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"COMPUTE": true,
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"CONNECT": true,
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"CONNECT_TIME": true,
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"CONSTRAINT": true,
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"CONSTRAINTS": true,
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"CONTENTS": true,
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"CONTINUE": true,
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"CONTROLFILE": true,
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"CONVERT": true,
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"COST": true,
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"CPU_PER_CALL": true,
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"CPU_PER_SESSION": true,
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"CREATE": true,
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"CURRENT": true,
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"CURRENT_SCHEMA": true,
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"CURREN_USER": true,
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"CURSOR": true,
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"CYCLE": true,
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"DANGLING": true,
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"DATABASE": true,
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"DATAFILE": true,
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"DATAFILES": true,
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"DATAOBJNO": true,
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"DATE": true,
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"DBA": true,
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"DBHIGH": true,
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"DBLOW": true,
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"DBMAC": true,
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"DEALLOCATE": true,
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"DEBUG": true,
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"DEC": true,
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"DECIMAL": true,
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"DECLARE": true,
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"DEFAULT": true,
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"DEFERRABLE": true,
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"DEFERRED": true,
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"DEGREE": true,
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"DELETE": true,
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"DEREF": true,
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"DESC": true,
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"DIRECTORY": true,
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"DISABLE": true,
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"DISCONNECT": true,
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"DISMOUNT": true,
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"DISTINCT": true,
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"DISTRIBUTED": true,
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"DML": true,
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"DOUBLE": true,
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"DROP": true,
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"DUMP": true,
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"EACH": true,
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"ELSE": true,
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"ENABLE": true,
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"END": true,
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"ENFORCE": true,
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"ENTRY": true,
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"ESCAPE": true,
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"EXCEPT": true,
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"EXCEPTIONS": true,
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"EXCHANGE": true,
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"EXCLUDING": true,
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"EXCLUSIVE": true,
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"EXECUTE": true,
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"EXISTS": true,
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"EXPIRE": true,
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"EXPLAIN": true,
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"EXTENT": true,
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"EXTENTS": true,
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"EXTERNALLY": true,
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"FAILED_LOGIN_ATTEMPTS": true,
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"FALSE": true,
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"FAST": true,
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"FILE": true,
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"FIRST_ROWS": true,
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"FLAGGER": true,
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"FLOAT": true,
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"FLOB": true,
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"FLUSH": true,
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"FOR": true,
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"FORCE": true,
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"FOREIGN": true,
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"FREELIST": true,
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"FREELISTS": true,
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"FROM": true,
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"FULL": true,
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"FUNCTION": true,
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"GLOBAL": true,
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"GLOBALLY": true,
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"GLOBAL_NAME": true,
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"GRANT": true,
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"GROUP": true,
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"GROUPS": true,
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"HASH": true,
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"HASHKEYS": true,
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"HAVING": true,
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"HEADER": true,
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"HEAP": true,
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"IDENTIFIED": true,
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"IDGENERATORS": true,
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"IDLE_TIME": true,
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"IF": true,
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"IMMEDIATE": true,
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"IN": true,
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"INCLUDING": true,
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"INCREMENT": true,
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"INDEX": true,
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"INDEXED": true,
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"INDEXES": true,
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"INDICATOR": true,
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"IND_PARTITION": true,
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"INITIAL": true,
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"INITIALLY": true,
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"INITRANS": true,
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"INSERT": true,
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"INSTANCE": true,
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"INSTANCES": true,
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"INSTEAD": true,
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"INT": true,
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"INTEGER": true,
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"INTERMEDIATE": true,
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"INTERSECT": true,
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"INTO": true,
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"IS": true,
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"ISOLATION": true,
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"ISOLATION_LEVEL": true,
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"KEEP": true,
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"KEY": true,
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"KILL": true,
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"LABEL": true,
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"LAYER": true,
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"LESS": true,
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"LEVEL": true,
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"LIBRARY": true,
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"LIKE": true,
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"LIMIT": true,
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"LINK": true,
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"LIST": true,
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"LOB": true,
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"LOCAL": true,
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"LOCK": true,
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"LOCKED": true,
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"LOG": true,
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"LOGFILE": true,
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"LOGGING": true,
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"LOGICAL_READS_PER_CALL": true,
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"LOGICAL_READS_PER_SESSION": true,
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"LONG": true,
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"MANAGE": true,
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"MASTER": true,
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"MAX": true,
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"MAXARCHLOGS": true,
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"MAXDATAFILES": true,
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"MAXEXTENTS": true,
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"MAXINSTANCES": true,
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"MAXLOGFILES": true,
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"MAXLOGHISTORY": true,
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"MAXLOGMEMBERS": true,
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"MAXSIZE": true,
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"MAXTRANS": true,
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"MAXVALUE": true,
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"MIN": true,
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"MEMBER": true,
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"MINIMUM": true,
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"MINEXTENTS": true,
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"MINUS": true,
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"MINVALUE": true,
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"MLSLABEL": true,
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"MLS_LABEL_FORMAT": true,
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"MODE": true,
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"MODIFY": true,
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"MOUNT": true,
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"MOVE": true,
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"MTS_DISPATCHERS": true,
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"MULTISET": true,
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"NATIONAL": true,
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"NCHAR": true,
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"NCHAR_CS": true,
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"NCLOB": true,
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"NEEDED": true,
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"NESTED": true,
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"NETWORK": true,
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"NEW": true,
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"NEXT": true,
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"NOARCHIVELOG": true,
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"NOAUDIT": true,
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"NOCACHE": true,
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"NOCOMPRESS": true,
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"NOCYCLE": true,
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"NOFORCE": true,
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"NOLOGGING": true,
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"NOMAXVALUE": true,
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"NOMINVALUE": true,
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"NONE": true,
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"NOORDER": true,
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"NOOVERRIDE": true,
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"NOPARALLEL": true,
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"NOREVERSE": true,
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"NORMAL": true,
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"NOSORT": true,
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"NOT": true,
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"NOTHING": true,
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"NOWAIT": true,
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"NULL": true,
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"NUMBER": true,
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"NUMERIC": true,
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"NVARCHAR2": true,
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"OBJECT": true,
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"OBJNO": true,
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"OBJNO_REUSE": true,
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"OF": true,
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"OFF": true,
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"OFFLINE": true,
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"OID": true,
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"OIDINDEX": true,
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"OLD": true,
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"ON": true,
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"ONLINE": true,
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"ONLY": true,
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"OPCODE": true,
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"OPEN": true,
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"OPTIMAL": true,
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"OPTIMIZER_GOAL": true,
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"OPTION": true,
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"OR": true,
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"ORDER": true,
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"ORGANIZATION": true,
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"OSLABEL": true,
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"OVERFLOW": true,
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"OWN": true,
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"PACKAGE": true,
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"PARALLEL": true,
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"PARTITION": true,
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"PASSWORD": true,
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"PASSWORD_GRACE_TIME": true,
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"PASSWORD_LIFE_TIME": true,
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"PASSWORD_LOCK_TIME": true,
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"PASSWORD_REUSE_MAX": true,
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"PASSWORD_REUSE_TIME": true,
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"PASSWORD_VERIFY_FUNCTION": true,
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"PCTFREE": true,
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"PCTINCREASE": true,
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"PCTTHRESHOLD": true,
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"PCTUSED": true,
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"PCTVERSION": true,
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"PERCENT": true,
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"PERMANENT": true,
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"PLAN": true,
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"PLSQL_DEBUG": true,
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"POST_TRANSACTION": true,
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"PRECISION": true,
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"PRESERVE": true,
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"PRIMARY": true,
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"PRIOR": true,
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"PRIVATE": true,
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"PRIVATE_SGA": true,
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"PRIVILEGE": true,
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"PRIVILEGES": true,
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"PROCEDURE": true,
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"PROFILE": true,
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"PUBLIC": true,
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"PURGE": true,
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"QUEUE": true,
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"QUOTA": true,
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"RANGE": true,
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"RAW": true,
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"RBA": true,
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"READ": true,
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"READUP": true,
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"REAL": true,
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"REBUILD": true,
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"RECOVER": true,
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"RECOVERABLE": true,
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"RECOVERY": true,
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"REF": true,
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"REFERENCES": true,
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"REFERENCING": true,
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"REFRESH": true,
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"RENAME": true,
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"REPLACE": true,
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"RESET": true,
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"RESETLOGS": true,
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"RESIZE": true,
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"RESOURCE": true,
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"RESTRICTED": true,
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"RETURN": true,
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"RETURNING": true,
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"REUSE": true,
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"REVERSE": true,
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"REVOKE": true,
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"ROLE": true,
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"ROLES": true,
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"ROLLBACK": true,
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"ROW": true,
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"ROWID": true,
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"ROWNUM": true,
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"ROWS": true,
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"RULE": true,
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"SAMPLE": true,
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"SAVEPOINT": true,
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"SB4": true,
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"SCAN_INSTANCES": true,
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"SCHEMA": true,
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"SCN": true,
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"SCOPE": true,
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"SD_ALL": true,
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"SD_INHIBIT": true,
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"SD_SHOW": true,
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"SEGMENT": true,
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"SEG_BLOCK": true,
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"SEG_FILE": true,
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"SELECT": true,
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"SEQUENCE": true,
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"SERIALIZABLE": true,
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"SESSION": true,
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"SESSION_CACHED_CURSORS": true,
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"SESSIONS_PER_USER": true,
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"SET": true,
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"SHARE": true,
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"SHARED": true,
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"SHARED_POOL": true,
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"SHRINK": true,
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"SIZE": true,
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"SKIP": true,
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"SKIP_UNUSABLE_INDEXES": true,
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"SMALLINT": true,
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"SNAPSHOT": true,
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"SOME": true,
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"SORT": true,
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"SPECIFICATION": true,
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"SPLIT": true,
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"SQL_TRACE": true,
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"STANDBY": true,
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"START": true,
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"STATEMENT_ID": true,
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"STATISTICS": true,
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"STOP": true,
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"STORAGE": true,
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"STORE": true,
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"STRUCTURE": true,
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"SUCCESSFUL": true,
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"SWITCH": true,
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"SYS_OP_ENFORCE_NOT_NULL$": true,
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"SYS_OP_NTCIMG$": true,
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"SYNONYM": true,
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"SYSDATE": true,
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"SYSDBA": true,
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"SYSOPER": true,
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"SYSTEM": true,
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"TABLE": true,
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"TABLES": true,
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"TABLESPACE": true,
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"TABLESPACE_NO": true,
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"TABNO": true,
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"TEMPORARY": true,
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"THAN": true,
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"THE": true,
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"THEN": true,
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"THREAD": true,
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"TIMESTAMP": true,
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"TIME": true,
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"TO": true,
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"TOPLEVEL": true,
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"TRACE": true,
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"TRACING": true,
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"TRANSACTION": true,
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"TRANSITIONAL": true,
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"TRIGGER": true,
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"TRIGGERS": true,
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"TRUE": true,
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"TRUNCATE": true,
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"TX": true,
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"TYPE": true,
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"UB2": true,
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"UBA": true,
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"UID": true,
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"UNARCHIVED": true,
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"UNDO": true,
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"UNION": true,
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"UNIQUE": true,
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"UNLIMITED": true,
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"UNLOCK": true,
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"UNRECOVERABLE": true,
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"UNTIL": true,
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"UNUSABLE": true,
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"UNUSED": true,
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"UPDATABLE": true,
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"UPDATE": true,
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"USAGE": true,
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"USE": true,
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"USER": true,
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"USING": true,
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"VALIDATE": true,
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"VALIDATION": true,
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"VALUE": true,
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"VALUES": true,
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"VARCHAR": true,
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"VARCHAR2": true,
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"VARYING": true,
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"VIEW": true,
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"WHEN": true,
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"WHENEVER": true,
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"WHERE": true,
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"WITH": true,
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"WITHOUT": true,
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"WORK": true,
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"WRITE": true,
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"WRITEDOWN": true,
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"WRITEUP": true,
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"XID": true,
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"YEAR": true,
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"ZONE": true,
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}
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oracleQuoter = schemas.Quoter{
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Prefix: '"',
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Suffix: '"',
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IsReserved: schemas.AlwaysReserve,
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}
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)
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type oracle struct {
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Base
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}
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func (db *oracle) Init(uri *URI) error {
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db.quoter = oracleQuoter
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return db.Base.Init(db, uri)
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}
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func (db *oracle) Version(ctx context.Context, queryer core.Queryer) (*schemas.Version, error) {
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rows, err := queryer.QueryContext(ctx, "select * from v$version where banner like 'Oracle%'")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var version string
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if !rows.Next() {
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if rows.Err() != nil {
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return nil, rows.Err()
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}
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return nil, errors.New("unknow version")
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}
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if err := rows.Scan(&version); err != nil {
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return nil, err
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}
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return &schemas.Version{
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Number: version,
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}, nil
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}
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func (db *oracle) SQLType(c *schemas.Column) string {
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var res string
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switch t := c.SQLType.Name; t {
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case schemas.Bit, schemas.TinyInt, schemas.SmallInt, schemas.MediumInt, schemas.Int, schemas.Integer, schemas.BigInt, schemas.Bool, schemas.Serial, schemas.BigSerial:
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res = "NUMBER"
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case schemas.Binary, schemas.VarBinary, schemas.Blob, schemas.TinyBlob, schemas.MediumBlob, schemas.LongBlob, schemas.Bytea:
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return schemas.Blob
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case schemas.Time, schemas.DateTime, schemas.TimeStamp:
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res = schemas.TimeStamp
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case schemas.TimeStampz:
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res = "TIMESTAMP WITH TIME ZONE"
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case schemas.Float, schemas.Double, schemas.Numeric, schemas.Decimal:
|
|
res = "NUMBER"
|
|
case schemas.Text, schemas.MediumText, schemas.LongText, schemas.Json:
|
|
res = "CLOB"
|
|
case schemas.Char, schemas.Varchar, schemas.TinyText:
|
|
res = "VARCHAR2"
|
|
default:
|
|
res = t
|
|
}
|
|
|
|
hasLen1 := (c.Length > 0)
|
|
hasLen2 := (c.Length2 > 0)
|
|
|
|
if hasLen2 {
|
|
res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
|
|
} else if hasLen1 {
|
|
res += "(" + strconv.Itoa(c.Length) + ")"
|
|
}
|
|
return res
|
|
}
|
|
|
|
func (db *oracle) 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 *oracle) AutoIncrStr() string {
|
|
return "AUTO_INCREMENT"
|
|
}
|
|
|
|
func (db *oracle) IsReserved(name string) bool {
|
|
_, ok := oracleReservedWords[strings.ToUpper(name)]
|
|
return ok
|
|
}
|
|
|
|
func (db *oracle) DropTableSQL(tableName string) (string, bool) {
|
|
return fmt.Sprintf("DROP TABLE `%s`", tableName), false
|
|
}
|
|
|
|
func (db *oracle) CreateTableSQL(table *schemas.Table, tableName string) ([]string, bool) {
|
|
var sql = "CREATE TABLE "
|
|
if tableName == "" {
|
|
tableName = table.Name
|
|
}
|
|
|
|
quoter := db.Quoter()
|
|
sql += quoter.Quote(tableName) + " ("
|
|
|
|
pkList := table.PrimaryKeys
|
|
|
|
for _, colName := range table.ColumnsSeq() {
|
|
col := table.GetColumn(colName)
|
|
/*if col.IsPrimaryKey && len(pkList) == 1 {
|
|
sql += col.String(b.dialect)
|
|
} else {*/
|
|
s, _ := ColumnString(db, col, false)
|
|
sql += s
|
|
// }
|
|
sql = strings.TrimSpace(sql)
|
|
sql += ", "
|
|
}
|
|
|
|
if len(pkList) > 0 {
|
|
sql += "PRIMARY KEY ( "
|
|
sql += quoter.Join(pkList, ",")
|
|
sql += " ), "
|
|
}
|
|
|
|
sql = sql[:len(sql)-2] + ")"
|
|
return []string{sql}, false
|
|
}
|
|
|
|
func (db *oracle) SetQuotePolicy(quotePolicy QuotePolicy) {
|
|
switch quotePolicy {
|
|
case QuotePolicyNone:
|
|
var q = oracleQuoter
|
|
q.IsReserved = schemas.AlwaysNoReserve
|
|
db.quoter = q
|
|
case QuotePolicyReserved:
|
|
var q = oracleQuoter
|
|
q.IsReserved = db.IsReserved
|
|
db.quoter = q
|
|
case QuotePolicyAlways:
|
|
fallthrough
|
|
default:
|
|
db.quoter = oracleQuoter
|
|
}
|
|
}
|
|
|
|
func (db *oracle) IndexCheckSQL(tableName, idxName string) (string, []interface{}) {
|
|
args := []interface{}{tableName, idxName}
|
|
return `SELECT INDEX_NAME FROM USER_INDEXES ` +
|
|
`WHERE TABLE_NAME = :1 AND INDEX_NAME = :2`, args
|
|
}
|
|
|
|
func (db *oracle) 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 = :1`, tableName)
|
|
}
|
|
|
|
func (db *oracle) 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 = :1" +
|
|
" AND column_name = :2"
|
|
return db.HasRecords(queryer, ctx, query, args...)
|
|
}
|
|
|
|
func (db *oracle) GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
|
|
args := []interface{}{tableName}
|
|
s := "SELECT column_name,data_default,data_type,data_length,data_precision,data_scale," +
|
|
"nullable FROM USER_TAB_COLUMNS WHERE table_name = :1"
|
|
|
|
rows, err := queryer.QueryContext(ctx, s, args...)
|
|
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 colName, colDefault, nullable, dataType, dataPrecision, dataScale *string
|
|
var dataLen int
|
|
|
|
err = rows.Scan(&colName, &colDefault, &dataType, &dataLen, &dataPrecision,
|
|
&dataScale, &nullable)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
col.Name = strings.Trim(*colName, `" `)
|
|
if colDefault != nil {
|
|
col.Default = *colDefault
|
|
col.DefaultIsEmpty = false
|
|
}
|
|
|
|
if *nullable == "Y" {
|
|
col.Nullable = true
|
|
} else {
|
|
col.Nullable = false
|
|
}
|
|
|
|
var ignore bool
|
|
|
|
var dt string
|
|
var len1, len2 int
|
|
dts := strings.Split(*dataType, "(")
|
|
dt = dts[0]
|
|
if len(dts) > 1 {
|
|
lens := strings.Split(dts[1][:len(dts[1])-1], ",")
|
|
if len(lens) > 1 {
|
|
len1, _ = strconv.Atoi(lens[0])
|
|
len2, _ = strconv.Atoi(lens[1])
|
|
} else {
|
|
len1, _ = strconv.Atoi(lens[0])
|
|
}
|
|
}
|
|
|
|
switch dt {
|
|
case "VARCHAR2":
|
|
col.SQLType = schemas.SQLType{Name: schemas.Varchar, DefaultLength: len1, DefaultLength2: len2}
|
|
case "NVARCHAR2":
|
|
col.SQLType = schemas.SQLType{Name: schemas.NVarchar, 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: schemas.Double, DefaultLength: len1, DefaultLength2: len2}
|
|
case "LONG", "LONG RAW":
|
|
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, col.SQLType)
|
|
}
|
|
|
|
col.Length = dataLen
|
|
|
|
if col.SQLType.IsText() || col.SQLType.IsTime() {
|
|
if !col.DefaultIsEmpty {
|
|
col.Default = "'" + 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 *oracle) GetTables(queryer core.Queryer, ctx context.Context) ([]*schemas.Table, error) {
|
|
args := []interface{}{}
|
|
s := "SELECT table_name FROM user_tables"
|
|
|
|
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 *oracle) GetIndexes(queryer core.Queryer, ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
|
|
args := []interface{}{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 =:1"
|
|
|
|
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 *oracle) Filters() []Filter {
|
|
return []Filter{
|
|
&SeqFilter{Prefix: ":", Start: 1},
|
|
}
|
|
}
|
|
|
|
type godrorDriver struct {
|
|
baseDriver
|
|
}
|
|
|
|
func (g *godrorDriver) Features() *DriverFeatures {
|
|
return &DriverFeatures{
|
|
SupportReturnInsertedID: false,
|
|
}
|
|
}
|
|
|
|
func (g *godrorDriver) Parse(driverName, dataSourceName string) (*URI, error) {
|
|
db := &URI{DBType: schemas.ORACLE}
|
|
dsnPattern := regexp.MustCompile(
|
|
`^(?:(?P<user>.*?)(?::(?P<passwd>.*))?@)?` + // [user[:password]@]
|
|
`(?:(?P<net>[^\(]*)(?:\((?P<addr>[^\)]*)\))?)?` + // [net[(addr)]]
|
|
`\/(?P<dbname>.*?)` + // /dbname
|
|
`(?:\?(?P<params>[^\?]*))?$`) // [?param1=value1¶mN=valueN]
|
|
matches := dsnPattern.FindStringSubmatch(dataSourceName)
|
|
// tlsConfigRegister := make(map[string]*tls.Config)
|
|
names := dsnPattern.SubexpNames()
|
|
|
|
for i, match := range matches {
|
|
if names[i] == "dbname" {
|
|
db.DBName = match
|
|
}
|
|
}
|
|
if db.DBName == "" {
|
|
return nil, errors.New("dbname is empty")
|
|
}
|
|
return db, nil
|
|
}
|
|
|
|
func (g *godrorDriver) 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 "DATE":
|
|
var s sql.NullTime
|
|
return &s, nil
|
|
case "BLOB":
|
|
var r sql.RawBytes
|
|
return &r, nil
|
|
default:
|
|
var r sql.RawBytes
|
|
return &r, nil
|
|
}
|
|
}
|
|
|
|
type oci8Driver struct {
|
|
godrorDriver
|
|
}
|
|
|
|
// dataSourceName=user/password@ipv4:port/dbname
|
|
// dataSourceName=user/password@[ipv6]:port/dbname
|
|
func (o *oci8Driver) Parse(driverName, dataSourceName string) (*URI, error) {
|
|
db := &URI{DBType: schemas.ORACLE}
|
|
dsnPattern := regexp.MustCompile(
|
|
`^(?P<user>.*)\/(?P<password>.*)@` + // user:password@
|
|
`(?P<net>.*)` + // ip:port
|
|
`\/(?P<dbname>.*)`) // dbname
|
|
matches := dsnPattern.FindStringSubmatch(dataSourceName)
|
|
names := dsnPattern.SubexpNames()
|
|
for i, match := range matches {
|
|
if names[i] == "dbname" {
|
|
db.DBName = match
|
|
}
|
|
}
|
|
if db.DBName == "" && len(matches) != 0 {
|
|
return nil, errors.New("dbname is empty")
|
|
}
|
|
return db, nil
|
|
}
|