feat: adapt to opengauss
This commit is contained in:
robotez
parent
d47f35b260
commit
bcfbbe1d6e
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@ -276,6 +276,7 @@ func regDrvsNDialects() bool {
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"mysql": {"mysql", func() Driver { return &mysqlDriver{} }, func() Dialect { return &mysql{} }},
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"mymysql": {"mysql", func() Driver { return &mymysqlDriver{} }, func() Dialect { return &mysql{} }},
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"postgres": {"postgres", func() Driver { return &pqDriver{} }, func() Dialect { return &postgres{} }},
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"opengauss": {"postgres", func() Driver { return &pqDriver{} }, func() Dialect { return &openGauss{} }},
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"pgx": {"postgres", func() Driver { return &pqDriverPgx{} }, func() Dialect { return &postgres{} }},
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"sqlite3": {"sqlite3", func() Driver { return &sqlite3Driver{} }, func() Dialect { return &sqlite3{} }},
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"sqlite": {"sqlite3", func() Driver { return &sqlite3Driver{} }, func() Dialect { return &sqlite3{} }},
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@ -287,9 +288,13 @@ func regDrvsNDialects() bool {
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for driverName, v := range providedDrvsNDialects {
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if driver := QueryDriver(driverName); driver == nil {
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RegisterDriver(driverName, v.getDriver())
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if driverName == "opengauss" {
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RegisterDialect("opengauss", v.getDialect)
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} else {
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RegisterDialect(v.dbType, v.getDialect)
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}
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}
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}
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return true
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}
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@ -68,7 +68,12 @@ func OpenDialect(driverName, connstr string) (Dialect, error) {
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return nil, err
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}
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dialect := QueryDialect(uri.DBType)
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var dialect Dialect
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if driverName == "opengauss" {
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dialect = QueryDialect("opengauss")
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} else {
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dialect = QueryDialect(uri.DBType)
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}
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if dialect == nil {
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return nil, fmt.Errorf("unsupported dialect type: %v", uri.DBType)
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}
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@ -0,0 +1,823 @@
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// 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,
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"INITIALIZE": true,
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"INITIALLY": true,
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"INITRANS": true,
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"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,
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"INSTEAD": true,
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"INT": true,
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"INTEGER": true,
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"INTERSECT": true,
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"INTERVAL": true,
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"INTO": true,
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"INVOKER": true,
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"IS": true,
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"ISNULL": true,
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"ISOLATION": true,
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"ITERATE": true,
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"JOIN": true,
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"K": true,
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"KEY": true,
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"KEY_PATH": true,
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"KEY_MEMBER": true,
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"KEY_STORE": true,
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"KEY_TYPE": true,
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"KILL": true,
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"LABEL": true,
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"LANGUAGE": true,
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"LARGE": true,
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"LAST": true,
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"LATERAL": true,
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"LC_COLLATE": true,
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"LC_CTYPE": true,
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"LEADING": true,
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"LEAKPROOF": true,
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"LEAST": true,
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"LEFT": true,
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"LENGTH": true,
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"LESS": true,
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"LEVEL": true,
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"LIKE": true,
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"LIMIT": true,
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"LISTEN": true,
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"LOAD": true,
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"LOCAL": true,
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"LOCALTIME": true,
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"LOCALTIMESTAMP": true,
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"LOCATION": true,
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"LOCATOR": true,
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"LOCK": true,
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"LOG": true,
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"LOGGING": true,
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"LOOP": true,
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"LOWER": true,
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"MAP": true,
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"MAPPING": true,
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"MASTER": true,
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"MATCH": true,
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"MATCHED": true,
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"MAX": true,
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"MAXEXTENTS": true,
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"MAXSIZE": true,
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"MAXTRANS": true,
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"MAXVALUE": true,
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"MERGE": true,
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"MESSAGE_LENGTH": true,
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"MESSAGE_OCTET_LENGTH": true,
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"MESSAGE_TEXT": true,
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"METHOD": true,
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"MIN": true,
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"MINEXTENTS": true,
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"MINUS": true,
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"MINUTE": true,
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"MINVALUE": true,
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"MOD": true,
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"MODE": true,
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"MODIFIES": true,
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"MODIFY": true,
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"MODULE": true,
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"MONTH": true,
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"MORE": true,
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"MOVE": true,
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"MOVEMENT": true,
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"MUMPS": true,
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"NAME": true,
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"NAMES": true,
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"NATIONAL": true,
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"NATURAL": true,
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"NCHAR": true,
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"NCLOB": true,
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"NEW": true,
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"NEXT": true,
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"NO": true,
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"NOCOMPRESS": true,
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"NOCYCLE": true,
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"NODE": 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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"NOT": true,
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"NOTHING": true,
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"NOTIFY": true,
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"NOTNULL": true,
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"NOWAIT": true,
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"NULL": true,
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"NULLABLE": true,
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"NULLIF": true,
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"NULLS": true,
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"NUMBER": true,
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"NUMERIC": true,
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"NUMSTR": true,
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"NVARCHAR2": true,
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"NVL": true,
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"OBJECT": true,
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"OCTET_LENGTH": true,
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"OF": true,
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"OFF": true,
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"OFFSET": true,
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"OIDS": true,
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"OLD": true,
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"ON": true,
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"ONLY": true,
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"OPEN": true,
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"OPERATION": true,
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"OPERATOR": true,
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"OPTIMIZATION": true,
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"OPTION": true,
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"OPTIONS": true,
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"OR": true,
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"ORDER": true,
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"ORDINALITY": true,
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"OUT": true,
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"OUTER": true,
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"OUTPUT": true,
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"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
|
||||
}
|
||||
Loading…
Reference in New Issue