// Copyright 2015 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" "errors" "strings" "xorm.io/xorm/core" "xorm.io/xorm/schemas" ) // from https://docs-opengauss.osinfra.cn/en/docs/latest/docs/SQLReference/keywords.html var ( openGaussReservedWords = map[string]bool{ "ABORT": true, "ABS": true, "ABSOLUTE": true, "ACCESS": true, "ACCOUNT": true, "ACTION": true, "ADA": true, "ADD": true, "ADMIN": true, "AFTER": true, "AGGREGATE": true, "ALGORITHM": true, "ALIAS": true, "ALL": true, "ALLOCATE": true, "ALSO": true, "ALTER": true, "ALWAYS": true, "ANALYSE": true, "ANALYZE": true, "AND": true, "ANY": true, "APP": true, "ARE": true, "ARRAY": true, "AS": true, "ASC": true, "ASENSITIVE": true, "ASSERTION": true, "ASSIGNMENT": true, "ASYMMETRIC": true, "AT": true, "ATOMIC": true, "ATTRIBUTE": true, "AUTHID": true, "AUTHORIZATION": true, "AUTOEXTEND": true, "AUTOMAPPED": true, "AVG": true, "BACKWARD": true, "BARRIER": true, "BEFORE": true, "BEGIN": true, "BEGIN_NON_ANOYBLOCK": true, "BETWEEN": true, "BIGINT": true, "BINARY": true, "BINARY_DOUBLE": true, "BINARY_INTEGER": true, "BIT": true, "BITVAR": true, "BIT_LENGTH": true, "BLOB": true, "BOOLEAN": true, "BOTH": true, "BUCKETS": true, "BREADTH": true, "BY": true, "BYTEAWITHOUTODER": true, "BYTEAWITHOUTORDERWITHEQUAL": true, "C": true, "CACHE": true, "CALL": true, "CALLED": true, "CARDINALITY": true, "CASCADE": true, "CASCADED": true, "CASE": true, "CAST": true, "CATALOG": true, "CATALOG_NAME": true, "CHAIN": true, "CHAR": true, "CHARACTER": true, "CHARACTERISTICS": true, "CHARACTER_LENGTH": true, "CHARACTER_SET_CATALOG": true, "CHARACTER_SET_NAME": true, "CHARACTER_SET_SCHEMA": true, "CHAR_LENGTH": true, "CHECK": true, "CHECKED": true, "CHECKPOINT": true, "CLASS": true, "CLEAN": true, "CLASS_ORIGIN": true, "CLIENT": true, "CLIENT_MASTER_KEY": true, "CLIENT_MASTER_KEYS": true, "CLOB": true, "CLOSE": true, "CLUSTER": true, "COALESCE": true, "COBOL": true, "COLLATE": true, "COLLATION": true, "COLLATION_CATALOG": true, "COLLATION_NAME": true, "COLLATION_SCHEMA": true, "COLUMN": true, "COLUMN_ENCRYPTION_KEY": true, "COLUMN_ENCRYPTION_KEYS": true, "COLUMN_NAME": true, "COMPACT": true, "COMPATIBLE_ILLEGAL_CHARS": true, "COMMAND_FUNCTION": true, "COMPLETE": true, "COMMAND_FUNCTION_CODE": true, "COMMENT": true, "COMMENTS": true, "COMMIT": true, "COMMITTED": true, "COMPRESS": true, "COMPLETION": true, "CONCURRENTLY": true, "CONDITION": true, "CONDITION_NUMBER": true, "CONFIGURATION": true, "CONNECT": true, "CONNECTION": true, "CONNECTION_NAME": true, "CONSTRAINT": true, "CONSTRAINTS": true, "CONSTRAINT_CATALOG": true, "CONSTRAINT_NAME": true, "CONSTRAINT_SCHEMA": true, "CONSTRUCTOR": true, "CONTAINS": true, "CONTENT": true, "CONTINUE": true, "CONVERSION": true, "CONVERT": true, "COPY": true, "CORRESPONDING": true, "COST": true, "COUNT": true, "CREATE": true, "CROSS": true, "CSV": true, "CUBE": true, "CURRENT": true, "CURRENT_CATALOG": true, "CURRENT_DATE": true, "CURRENT_PATH": true, "CURRENT_ROLE": true, "CURRENT_SCHEMA": true, "CURRENT_TIME": true, "CURRENT_TIMESTAMP": true, "CURRENT_USER": true, "CURSOR": true, "CURSOR_NAME": true, "CYCLE": true, "DATA": true, "DATABASE": true, "DATAFILE": true, "DATE_FORMAT": true, "DATATYPE_CL": true, "DATE": true, "DELTAMERGE": true, "DATETIME_INTERVAL_CODE": true, "DATETIME_INTERVAL_PRECISION": true, "DAY": true, "DBCOMPATIBILITY": true, "DEALLOCATE": true, "DEC": true, "DECIMAL": true, "DECLARE": true, "DECODE": true, "DEFAULT": true, "DEFAULTS": true, "DEFERRABLE": true, "DEFERRED": true, "DEFINED": true, "DEFINER": true, "DELETE": true, "DELIMITER": true, "DELIMITERS": true, "DELTA": true, "DEPTH": true, "DEREF": true, "DESC": true, "DESCRIBE": true, "DESCRIPTOR": true, "DESTROY": true, "DESTRUCTOR": true, "DETERMINISTIC": true, "DIAGNOSTICS": true, "DICTIONARY": true, "DIRECT": true, "DIRECTORY": true, "DISABLE": true, "DISCARD": true, "DISCONNECT": true, "DISPATCH": true, "DISTINCT": true, "DISTRIBUTE": true, "DISTRIBUTION": true, "DO": true, "DOCUMENT": true, "DOMAIN": true, "DOUBLE": true, "DROP": true, "DUPLICATE": true, "DYNAMIC": true, "DYNAMIC_FUNCTION": true, "DYNAMIC_FUNCTION_CODE": true, "EACH": true, "ELSE": true, "ELASTIC": true, "ENABLE": true, "ENCODING": true, "ENCRYPTED": true, "ENCRYPTED_VALUE": true, "ENCRYPTION": true, "ENCRYPTION_TYPE": true, "END": true, "END-EXEC": true, "ENFORCED": true, "ENUM": true, "EOL": true, "ERRORS": true, "EQUALS": true, "ESCAPE": true, "ESCAPING": true, "EVERY": true, "EXCEPT": true, "EXCEPTION": true, "EXCHANGE": true, "EXCLUDE": true, "EXCLUDED": true, "EXCLUDING": true, "EXCLUSIVE": true, "EXEC": true, "EXECUTE": true, "EXISTING": true, "EXISTS": true, "EXPIRED_P": true, "EXPLAIN": true, "EXTENSION": true, "EXTERNAL": true, "EXTRACT": true, "FALSE": true, "FAMILY": true, "FAST": true, "FETCH": true, "FENCED": true, "FILEHEADER": true, "FINAL": true, "FIRST": true, "FIXED": true, "FILL_MISSING_FIELDS": true, "FLOAT": true, "FOLLOWING": true, "FOR": true, "FORCE": true, "FOREIGN": true, "FORMATTER": true, "FORTRAN": true, "FORWARD": true, "FOUND": true, "FREE": true, "FREEZE": true, "FROM": true, "FULL": true, "FUNCTION": true, "FUNCTIONS": true, "G": true, "GENERAL": true, "GENERATED": true, "GET": true, "GLOBAL": true, "GO": true, "GOTO": true, "GRANT": true, "GRANTED": true, "GREATEST": true, "GROUP": true, "GROUPING": true, "HANDLER": true, "HAVING": true, "HDFSDIRECTORY": true, "HEADER": true, "HIERARCHY": true, "HOLD": true, "HOST": true, "HOUR": true, "IDENTIFIED": true, "IDENTITY": true, "IF": true, "IGNORE": true, "IGNORE_EXTRA_DATA": true, "ILIKE": true, "IMMEDIATE": true, "IMMUTABLE": true, "IMPLEMENTATION": true, "IMPLICIT": true, "IN": true, "INTERNAL": true, "INCLUDING": true, "INCREMENT": true, "INDEX": true, "INDEXES": true, "INDICATOR": true, "INFIX": true, "INHERIT": true, "INHERITS": true, "INITIAL": true, "INITIALIZE": true, "INITIALLY": true, "INITRANS": true, "INLINE": true, "INNER": true, "INOUT": true, "INPUT": true, "INSENSITIVE": true, "INSERT": true, "INSTANCE": true, "INSTANTIABLE": true, "INSTEAD": true, "INT": true, "INTEGER": true, "INTERSECT": true, "INTERVAL": true, "INTO": true, "INVOKER": true, "IS": true, "ISNULL": true, "ISOLATION": true, "ITERATE": true, "JOIN": true, "K": true, "KEY": true, "KEY_PATH": true, "KEY_MEMBER": true, "KEY_STORE": true, "KEY_TYPE": true, "KILL": true, "LABEL": true, "LANGUAGE": true, "LARGE": true, "LAST": true, "LATERAL": true, "LC_COLLATE": true, "LC_CTYPE": true, "LEADING": true, "LEAKPROOF": true, "LEAST": true, "LEFT": true, "LENGTH": true, "LESS": true, "LEVEL": true, "LIKE": true, "LIMIT": true, "LISTEN": true, "LOAD": true, "LOCAL": true, "LOCALTIME": true, "LOCALTIMESTAMP": true, "LOCATION": true, "LOCATOR": true, "LOCK": true, "LOG": true, "LOGGING": true, "LOOP": true, "LOWER": true, "MAP": true, "MAPPING": true, "MASTER": true, "MATCH": true, "MATCHED": true, "MAX": true, "MAXEXTENTS": true, "MAXSIZE": true, "MAXTRANS": true, "MAXVALUE": true, "MERGE": true, "MESSAGE_LENGTH": true, "MESSAGE_OCTET_LENGTH": true, "MESSAGE_TEXT": true, "METHOD": true, "MIN": true, "MINEXTENTS": true, "MINUS": true, "MINUTE": true, "MINVALUE": true, "MOD": true, "MODE": true, "MODIFIES": true, "MODIFY": true, "MODULE": true, "MONTH": true, "MORE": true, "MOVE": true, "MOVEMENT": true, "MUMPS": true, "NAME": true, "NAMES": true, "NATIONAL": true, "NATURAL": true, "NCHAR": true, "NCLOB": true, "NEW": true, "NEXT": true, "NO": true, "NOCOMPRESS": true, "NOCYCLE": true, "NODE": true, "NOLOGGING": true, "NOMAXVALUE": true, "NOMINVALUE": true, "NONE": true, "NOT": true, "NOTHING": true, "NOTIFY": true, "NOTNULL": true, "NOWAIT": true, "NULL": true, "NULLABLE": true, "NULLIF": true, "NULLS": true, "NUMBER": true, "NUMERIC": true, "NUMSTR": true, "NVARCHAR2": true, "NVL": true, "OBJECT": true, "OCTET_LENGTH": true, "OF": true, "OFF": true, "OFFSET": true, "OIDS": true, "OLD": true, "ON": true, "ONLY": true, "OPEN": true, "OPERATION": true, "OPERATOR": true, "OPTIMIZATION": true, "OPTION": true, "OPTIONS": true, "OR": true, "ORDER": true, "ORDINALITY": true, "OUT": true, "OUTER": true, "OUTPUT": true, "OVER": true, "OVERLAPS": true, "OVERLAY": true, "OVERRIDING": true, "OWNED": true, "OWNER": true, "PACKAGE": true, "PAD": true, "PARAMETER": true, "PARAMETERS": true, "PARAMETER_MODE": true, "PARAMETER_NAME": true, "PARAMETER_ORDINAL_POSITION": true, "PARAMETER_SPECIFIC_CATALOG": true, "PARAMETER_SPECIFIC_NAME": true, "PARAMETER_SPECIFIC_SCHEMA": true, "PARSER": true, "PARTIAL": true, "PARTITION": true, "PARTITIONS": true, "PASCAL": true, "PASSING": true, "PASSWORD": true, "PATH": true, "PCTFREE": true, "PER": true, "PERM": true, "PERCENT": true, "PERFORMANCE": true, "PLACING": true, "PLAN": true, "PLANS": true, "PLI": true, "POOL": true, "POLICY": true, "POSITION": true, "POSTFIX": true, "PRECEDING": true, "PRECISION": true, "PREFERRED": true, "PREFIX": true, "PREORDER": true, "PREPARE": true, "PREPARED": true, "PRESERVE": true, "PRIMARY": true, "PRIOR": true, "PRIVATE": true, "PRIVILEGE": true, "PRIVILEGES": true, "PROCEDURAL": true, "PROCEDURE": true, "PROFILE": true, "PUBLIC": true, "QUERY": true, "QUOTE": true, "RANDOMIZED": true, "RANGE": true, "RAW": true, "READ": true, "READS": true, "REAL": true, "REASSIGN": true, "REBUILD": true, "RECHECK": true, "RECURSIVE": true, "REF": true, "REFERENCES": true, "REFERENCING": true, "REINDEX": true, "REJECT": true, "RELATIVE": true, "RELEASE": true, "RELOPTIONS": true, "REMOTE": true, "RENAME": true, "REPEATABLE": true, "REPLACE": true, "REPLICA": true, "RESET": true, "RESIZE": true, "RESOURCE": true, "RESTART": true, "RESTRICT": true, "RESULT": true, "RETURN": true, "RETURNED_LENGTH": true, "RETURNED_OCTET_LENGTH": true, "RETURNED_SQLSTATE": true, "RETURNING": true, "RETURNS": true, "REUSE": true, "REVOKE": true, "RIGHT": true, "ROLE": true, "ROLLBACK": true, "ROLLUP": true, "ROUTINE": true, "ROUTINE_CATALOG": true, "ROUTINE_NAME": true, "ROUTINE_SCHEMA": true, "ROW": true, "ROWS": true, "ROW_COUNT": true, "RULE": true, "ROWNUM": true, "SAVEPOINT": true, "SCALE": true, "SCHEMA": true, "SCHEMA_NAME": true, "SCOPE": true, "SCROLL": true, "SEARCH": true, "SECOND": true, "SECTION": true, "SECURITY": true, "SELECT": true, "SELF": true, "SENSITIVE": true, "SEQUENCE": true, "SEQUENCES": true, "SERIALIZABLE": true, "SERVER": true, "SERVER_NAME": true, "SESSION": true, "SESSION_USER": true, "SET": true, "SETOF": true, "SETS": true, "SHARE": true, "SHIPPABLE": true, "SHOW": true, "SHUTDOWN": true, "SIMILAR": true, "SIMPLE": true, "SIZE": true, "SMALLDATETIME_FORMAT": true, "SMALLDATETIME": true, "SMALLINT": true, "SNAPSHOT": true, "SOME": true, "SOURCE": true, "SPACE": true, "SPECIFIC": true, "SPECIFICTYPE": true, "SPECIFIC_NAME": true, "SPILL": true, "SPLIT": true, "SQL": true, "SQLCODE": true, "SQLERROR": true, "SQLEXCEPTION": true, "SQLSTATE": true, "SQLWARNING": true, "STABLE": true, "STANDALONE": true, "START": true, "STATE": true, "STATEMENT": true, "STATEMENT_ID": true, "STATIC": true, "STATISTICS": true, "STDIN": true, "STDOUT": true, "STORAGE": true, "STORE": true, "STRICT": true, "STRIP": true, "STRUCTURE": true, "STYLE": true, "SUBCLASS_ORIGIN": true, "SUBLIST": true, "SUBSTRING": true, "SUM": true, "SYMMETRIC": true, "SYNONYM": true, "SYS_REFCURSOR": true, "SYSDATE": true, "SYSID": true, "SYSTEM": true, "SYSTEM_USER": true, "TABLE": true, "TABLES": true, "TABLE_NAME": true, "TIME_FORMAT": true, "TIMESTAMP_FORMAT": true, "TEMP": true, "TEMPLATE": true, "TEMPORARY": true, "TERMINATE": true, "TEXT": true, "THAN": true, "THEN": true, "TIME": true, "TIMESTAMP": true, "TIMESTAMPDIFF": true, "TIMEZONE_HOUR": true, "TIMEZONE_MINUTE": true, "TINYINT": true, "TO": true, "TRAILING": true, "TRANSACTION": true, "TRANSACTIONS_COMMITTED": true, "TRANSACTIONS_ROLLED_BACK": true, "TRANSACTION_ACTIVE": true, "TRANSFORM": true, "TRANSFORMS": true, "TRANSLATE": true, "TRANSLATION": true, "TREAT": true, "TRIGGER": true, "TRIGGER_CATALOG": true, "TRIGGER_NAME": true, "TRIGGER_SCHEMA": true, "TRIM": true, "TRUE": true, "TRUNCATE": true, "TRUSTED": true, "TSFIELD": true, "TSTAG": true, "TSTIME": true, "TYPE": true, "TYPES": true, "UESCAPE": true, "UNBOUNDED": true, "UNCOMMITTED": true, "UNDER": true, "UNENCRYPTED": true, "UNION": true, "UNIQUE": true, "UNKNOWN": true, "UNLIMITED": true, "UNLISTEN": true, "UNLOCK": true, "UNLOGGED": true, "UNNAMED": true, "UNNEST": true, "UNTIL": true, "UNUSABLE": true, "UPDATE": true, "UPPER": true, "USAGE": true, "USER": true, "USER_DEFINED_TYPE_CATALOG": true, "USER_DEFINED_TYPE_NAME": true, "USER_DEFINED_TYPE_SCHEMA": true, "USING": true, "VACUUM": true, "VALID": true, "VALIDATE": true, "VALIDATION": true, "VALIDATOR": true, "VALUE": true, "VALUES": true, "VARCHAR": true, "VARCHAR2": true, "VARIABLE": true, "VARIADIC": true, "VARYING": true, "VCGROUP": true, "VERBOSE": true, "VERSION": true, "VERIFY": true, "VIEW": true, "VOLATILE": true, "WHEN": true, "WHENEVER": true, "WHERE": true, "WHITESPACE": true, "WINDOW": true, "WITH": true, "WITHIN": true, "WITHOUT": true, "WORK": true, "WORKLOAD": true, "WRAPPER": true, "WRITE": true, "XML": true, "XMLATTRIBUTES": true, "XMLCONCAT": true, "XMLELEMENT": true, "XMLEXISTS": true, "XMLFOREST": true, "XMLPARSE": true, "XMLPI": true, "XMLROOT": true, "XMLSERIALIZE": true, "YEAR": true, "YES": true, "ZONE": true, } ) type openGauss struct { postgres } // Version returns version of OpenGauss // version like: xxx ... (GaussDB Kernel VXXXRXXXCXX build XXX) xxx ... // version also like: xxx ... gaussdb (GaussDB Kernel 505.2.0 build e3976aad) xxx ... func (db *openGauss) Version(ctx context.Context, queryer core.Queryer) (*schemas.Version, error) { rows, err := queryer.QueryContext(ctx, "SELECT version()") if err != nil { return nil, err } defer rows.Close() if !rows.Next() { if rows.Err() != nil { return nil, rows.Err() } return nil, errors.New("unknown version") } var version string if err := rows.Scan(&version); err != nil { return nil, err } start := -1 end := -1 for i, c := range version { if start == -1 && (string(c) == "(" || string(c) == "（") { start = i } if string(c) == ")" || string(c) == "）" { end = i break } } if start == -1 || end < start { return nil, errors.New("unknown version") } words := strings.Split(version[start+1:end], " ") wordCnt := 0 word := "" for _, word = range words { if word != "" { wordCnt++ if wordCnt == 3 { break } } } return &schemas.Version{ Number: word, Level: "", Edition: "GaussDB", }, nil } func (db *openGauss) IsReserved(name string) bool { _, ok := openGaussReservedWords[strings.ToUpper(name)] return ok }