824 lines
30 KiB
Go
824 lines
30 KiB
Go
// 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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"errors"
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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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// from https://docs-opengauss.osinfra.cn/en/docs/latest/docs/SQLReference/keywords.html
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var (
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openGaussReservedWords = map[string]bool{
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"ABORT": true,
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"ABS": true,
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"ABSOLUTE": true,
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"ACCESS": true,
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"ACCOUNT": true,
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"ACTION": true,
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"ADA": true,
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||
"ADD": true,
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||
"ADMIN": true,
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||
"AFTER": true,
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||
"AGGREGATE": true,
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"ALGORITHM": true,
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||
"ALIAS": true,
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||
"ALL": true,
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"ALLOCATE": true,
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||
"ALSO": true,
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||
"ALTER": true,
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"ALWAYS": true,
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"ANALYSE": true,
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"ANALYZE": true,
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||
"AND": true,
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"ANY": true,
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"APP": true,
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"ARE": true,
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||
"ARRAY": true,
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||
"AS": true,
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||
"ASC": true,
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||
"ASENSITIVE": true,
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||
"ASSERTION": true,
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"ASSIGNMENT": true,
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"ASYMMETRIC": true,
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"AT": true,
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||
"ATOMIC": true,
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||
"ATTRIBUTE": true,
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||
"AUTHID": true,
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||
"AUTHORIZATION": true,
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||
"AUTOEXTEND": true,
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||
"AUTOMAPPED": true,
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||
"AVG": true,
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||
"BACKWARD": true,
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||
"BARRIER": true,
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||
"BEFORE": true,
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||
"BEGIN": true,
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||
"BEGIN_NON_ANOYBLOCK": true,
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||
"BETWEEN": true,
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||
"BIGINT": true,
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||
"BINARY": true,
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||
"BINARY_DOUBLE": true,
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||
"BINARY_INTEGER": true,
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||
"BIT": true,
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||
"BITVAR": true,
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||
"BIT_LENGTH": true,
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||
"BLOB": true,
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||
"BOOLEAN": true,
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||
"BOTH": true,
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||
"BUCKETS": true,
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||
"BREADTH": true,
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||
"BY": true,
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||
"BYTEAWITHOUTODER": true,
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||
"BYTEAWITHOUTORDERWITHEQUAL": true,
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||
"C": true,
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||
"CACHE": true,
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||
"CALL": true,
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||
"CALLED": true,
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||
"CARDINALITY": true,
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||
"CASCADE": true,
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||
"CASCADED": true,
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||
"CASE": true,
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"CAST": true,
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"CATALOG": true,
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"CATALOG_NAME": true,
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"CHAIN": true,
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"CHAR": true,
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"CHARACTER": true,
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"CHARACTERISTICS": true,
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"CHARACTER_LENGTH": true,
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"CHARACTER_SET_CATALOG": true,
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"CHARACTER_SET_NAME": true,
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||
"CHARACTER_SET_SCHEMA": true,
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"CHAR_LENGTH": true,
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"CHECK": true,
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"CHECKED": true,
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"CHECKPOINT": true,
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"CLASS": true,
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"CLEAN": true,
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"CLASS_ORIGIN": true,
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"CLIENT": true,
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"CLIENT_MASTER_KEY": true,
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||
"CLIENT_MASTER_KEYS": true,
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||
"CLOB": true,
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||
"CLOSE": true,
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||
"CLUSTER": true,
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||
"COALESCE": true,
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||
"COBOL": true,
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||
"COLLATE": true,
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||
"COLLATION": true,
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||
"COLLATION_CATALOG": true,
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||
"COLLATION_NAME": true,
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||
"COLLATION_SCHEMA": true,
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||
"COLUMN": true,
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||
"COLUMN_ENCRYPTION_KEY": true,
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||
"COLUMN_ENCRYPTION_KEYS": true,
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"COLUMN_NAME": true,
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"COMPACT": true,
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"COMPATIBLE_ILLEGAL_CHARS": true,
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"COMMAND_FUNCTION": true,
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"COMPLETE": true,
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"COMMAND_FUNCTION_CODE": true,
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||
"COMMENT": true,
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||
"COMMENTS": true,
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||
"COMMIT": true,
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||
"COMMITTED": true,
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||
"COMPRESS": true,
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"COMPLETION": true,
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"CONCURRENTLY": true,
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"CONDITION": true,
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"CONDITION_NUMBER": true,
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"CONFIGURATION": true,
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"CONNECT": true,
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"CONNECTION": true,
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"CONNECTION_NAME": true,
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"CONSTRAINT": true,
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"CONSTRAINTS": true,
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"CONSTRAINT_CATALOG": true,
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"CONSTRAINT_NAME": true,
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"CONSTRAINT_SCHEMA": true,
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"CONSTRUCTOR": true,
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"CONTAINS": true,
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||
"CONTENT": true,
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"CONTINUE": true,
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"CONVERSION": true,
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"CONVERT": true,
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"COPY": true,
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"CORRESPONDING": true,
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"COST": true,
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"COUNT": true,
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"CREATE": true,
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||
"CROSS": true,
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"CSV": true,
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"CUBE": true,
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"CURRENT": true,
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"CURRENT_CATALOG": true,
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"CURRENT_DATE": true,
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||
"CURRENT_PATH": true,
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||
"CURRENT_ROLE": true,
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||
"CURRENT_SCHEMA": true,
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||
"CURRENT_TIME": true,
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||
"CURRENT_TIMESTAMP": true,
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"CURRENT_USER": true,
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"CURSOR": true,
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"CURSOR_NAME": true,
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"CYCLE": true,
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"DATA": true,
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"DATABASE": true,
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"DATAFILE": true,
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"DATE_FORMAT": true,
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"DATATYPE_CL": true,
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"DATE": true,
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"DELTAMERGE": true,
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"DATETIME_INTERVAL_CODE": true,
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||
"DATETIME_INTERVAL_PRECISION": true,
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"DAY": true,
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"DBCOMPATIBILITY": true,
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"DEALLOCATE": true,
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"DEC": true,
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"DECIMAL": true,
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"DECLARE": true,
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"DECODE": true,
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"DEFAULT": true,
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"DEFAULTS": true,
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"DEFERRABLE": true,
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"DEFERRED": true,
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"DEFINED": true,
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"DEFINER": true,
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"DELETE": true,
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"DELIMITER": true,
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"DELIMITERS": true,
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"DELTA": true,
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"DEPTH": true,
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"DEREF": true,
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"DESC": true,
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"DESCRIBE": true,
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"DESCRIPTOR": true,
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"DESTROY": true,
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"DESTRUCTOR": true,
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"DETERMINISTIC": true,
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"DIAGNOSTICS": true,
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"DICTIONARY": true,
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"DIRECT": true,
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"DIRECTORY": true,
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"DISABLE": true,
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"DISCARD": true,
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"DISCONNECT": true,
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||
"DISPATCH": true,
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||
"DISTINCT": true,
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||
"DISTRIBUTE": true,
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||
"DISTRIBUTION": true,
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||
"DO": true,
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||
"DOCUMENT": true,
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||
"DOMAIN": true,
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||
"DOUBLE": true,
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||
"DROP": true,
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||
"DUPLICATE": true,
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||
"DYNAMIC": true,
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||
"DYNAMIC_FUNCTION": true,
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||
"DYNAMIC_FUNCTION_CODE": true,
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||
"EACH": true,
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||
"ELSE": true,
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||
"ELASTIC": true,
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||
"ENABLE": true,
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||
"ENCODING": true,
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||
"ENCRYPTED": true,
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||
"ENCRYPTED_VALUE": true,
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||
"ENCRYPTION": true,
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||
"ENCRYPTION_TYPE": true,
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||
"END": true,
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||
"END-EXEC": true,
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||
"ENFORCED": true,
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||
"ENUM": true,
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||
"EOL": true,
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||
"ERRORS": true,
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||
"EQUALS": true,
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||
"ESCAPE": true,
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||
"ESCAPING": true,
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||
"EVERY": true,
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"EXCEPT": true,
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"EXCEPTION": true,
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"EXCHANGE": true,
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"EXCLUDE": true,
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"EXCLUDED": true,
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||
"EXCLUDING": true,
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"EXCLUSIVE": true,
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"EXEC": true,
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"EXECUTE": true,
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"EXISTING": true,
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"EXISTS": true,
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"EXPIRED_P": true,
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||
"EXPLAIN": true,
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"EXTENSION": true,
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"EXTERNAL": true,
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"EXTRACT": true,
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"FALSE": true,
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"FAMILY": true,
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"FAST": true,
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||
"FETCH": true,
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"FENCED": true,
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||
"FILEHEADER": true,
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||
"FINAL": true,
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||
"FIRST": true,
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||
"FIXED": true,
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||
"FILL_MISSING_FIELDS": true,
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||
"FLOAT": true,
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||
"FOLLOWING": true,
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||
"FOR": true,
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||
"FORCE": true,
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||
"FOREIGN": true,
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||
"FORMATTER": true,
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||
"FORTRAN": true,
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"FORWARD": true,
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||
"FOUND": true,
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||
"FREE": true,
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||
"FREEZE": true,
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"FROM": true,
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"FULL": true,
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||
"FUNCTION": true,
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||
"FUNCTIONS": true,
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||
"G": true,
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||
"GENERAL": true,
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||
"GENERATED": true,
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||
"GET": true,
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||
"GLOBAL": true,
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||
"GO": true,
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||
"GOTO": true,
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||
"GRANT": true,
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||
"GRANTED": true,
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||
"GREATEST": true,
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||
"GROUP": true,
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||
"GROUPING": true,
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||
"HANDLER": true,
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||
"HAVING": true,
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||
"HDFSDIRECTORY": true,
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||
"HEADER": true,
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||
"HIERARCHY": true,
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||
"HOLD": true,
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||
"HOST": true,
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||
"HOUR": true,
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||
"IDENTIFIED": true,
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||
"IDENTITY": true,
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||
"IF": true,
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||
"IGNORE": true,
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||
"IGNORE_EXTRA_DATA": true,
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||
"ILIKE": true,
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||
"IMMEDIATE": true,
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||
"IMMUTABLE": true,
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||
"IMPLEMENTATION": true,
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||
"IMPLICIT": true,
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||
"IN": true,
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||
"INTERNAL": true,
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||
"INCLUDING": true,
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||
"INCREMENT": true,
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||
"INDEX": true,
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||
"INDEXES": true,
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||
"INDICATOR": true,
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||
"INFIX": true,
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||
"INHERIT": true,
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||
"INHERITS": true,
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||
"INITIAL": true,
|
||
"INITIALIZE": true,
|
||
"INITIALLY": true,
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||
"INITRANS": true,
|
||
"INLINE": true,
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||
"INNER": true,
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||
"INOUT": true,
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||
"INPUT": true,
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||
"INSENSITIVE": true,
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||
"INSERT": true,
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||
"INSTANCE": true,
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||
"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,
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||
"LEVEL": true,
|
||
"LIKE": true,
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||
"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,
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||
"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
|
||
}
|