mirror of
https://github.com/go-gitea/gitea
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a8048c19f3
* update xorm and fix dump * catch database init error * still use dumpTables * fix dump bool type * update vendor.json
1098 lines
38 KiB
Go
1098 lines
38 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 xorm
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/go-xorm/core"
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)
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// from http://www.postgresql.org/docs/current/static/sql-keywords-appendix.html
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var (
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postgresReservedWords = map[string]bool{
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"A": true,
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"ABORT": true,
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"ABS": true,
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"ABSENT": true,
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"ABSOLUTE": true,
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"ACCESS": true,
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"ACCORDING": 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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"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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"ARE": true,
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"ARRAY": true,
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"ARRAY_AGG": true,
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"ARRAY_MAX_CARDINALITY": 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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"ATTRIBUTES": true,
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"AUTHORIZATION": true,
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"AVG": true,
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"BACKWARD": true,
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"BASE64": true,
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"BEFORE": true,
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"BEGIN": true,
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"BEGIN_FRAME": true,
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"BEGIN_PARTITION": true,
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"BERNOULLI": true,
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"BETWEEN": true,
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"BIGINT": true,
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"BINARY": true,
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"BIT": true,
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"BIT_LENGTH": true,
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"BLOB": true,
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"BLOCKED": true,
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"BOM": true,
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"BOOLEAN": true,
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"BOTH": true,
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"BREADTH": true,
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"BY": 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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"CEIL": true,
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"CEILING": 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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"CHARACTERS": 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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"CHECKPOINT": true,
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"CLASS": true,
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"CLASS_ORIGIN": 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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"COLLECT": true,
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"COLUMN": true,
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"COLUMNS": true,
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"COLUMN_NAME": true,
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"COMMAND_FUNCTION": 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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"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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"CONTROL": true,
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"CONVERSION": true,
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"CONVERT": true,
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"COPY": true,
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"CORR": true,
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"CORRESPONDING": true,
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"COST": true,
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"COUNT": true,
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"COVAR_POP": true,
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"COVAR_SAMP": 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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"CUME_DIST": 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_DEFAULT_TRANSFORM_GROUP": true,
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"CURRENT_PATH": true,
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"CURRENT_ROLE": true,
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"CURRENT_ROW": 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_TRANSFORM_GROUP_FOR_TYPE": 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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"DATALINK": true,
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"DATE": 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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"DB": 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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"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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"DEGREE": true,
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"DELETE": true,
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"DELIMITER": true,
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"DELIMITERS": true,
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"DENSE_RANK": true,
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"DEPTH": true,
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"DEREF": true,
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"DERIVED": true,
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"DESC": true,
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"DESCRIBE": true,
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"DESCRIPTOR": true,
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"DETERMINISTIC": true,
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"DIAGNOSTICS": true,
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"DICTIONARY": 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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"DLNEWCOPY": true,
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"DLPREVIOUSCOPY": true,
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"DLURLCOMPLETE": true,
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"DLURLCOMPLETEONLY": true,
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"DLURLCOMPLETEWRITE": true,
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"DLURLPATH": true,
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"DLURLPATHONLY": true,
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"DLURLPATHWRITE": true,
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"DLURLSCHEME": true,
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"DLURLSERVER": true,
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"DLVALUE": 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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"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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"ELEMENT": true,
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"ELSE": true,
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"EMPTY": true,
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"ENABLE": true,
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"ENCODING": true,
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"ENCRYPTED": true,
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"END": true,
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"END-EXEC": true,
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"END_FRAME": true,
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"END_PARTITION": true,
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"ENFORCED": true,
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"ENUM": true,
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"EQUALS": true,
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"ESCAPE": true,
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"EVENT": true,
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"EVERY": true,
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"EXCEPT": true,
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"EXCEPTION": true,
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"EXCLUDE": 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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"EXISTS": true,
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"EXP": true,
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"EXPLAIN": true,
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"EXPRESSION": 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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"FETCH": true,
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"FILE": true,
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"FILTER": true,
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"FINAL": true,
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"FIRST": true,
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"FIRST_VALUE": true,
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"FLAG": true,
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"FLOAT": true,
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"FLOOR": 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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"FORTRAN": true,
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"FORWARD": true,
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"FOUND": true,
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"FRAME_ROW": true,
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"FREE": true,
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"FREEZE": true,
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"FROM": true,
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"FS": true,
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"FULL": true,
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"FUNCTION": true,
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"FUNCTIONS": true,
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"FUSION": 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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"GROUPS": true,
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"HANDLER": true,
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"HAVING": true,
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"HEADER": true,
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"HEX": true,
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"HIERARCHY": true,
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"HOLD": true,
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"HOUR": true,
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"ID": true,
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"IDENTITY": true,
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"IF": true,
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"IGNORE": true,
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"ILIKE": true,
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"IMMEDIATE": true,
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"IMMEDIATELY": true,
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"IMMUTABLE": true,
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"IMPLEMENTATION": true,
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"IMPLICIT": true,
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"IMPORT": true,
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"IN": true,
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"INCLUDING": true,
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"INCREMENT": true,
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"INDENT": true,
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"INDEX": true,
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"INDEXES": true,
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"INDICATOR": true,
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"INHERIT": true,
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"INHERITS": true,
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"INITIALLY": 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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"INTEGRITY": true,
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"INTERSECT": true,
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"INTERSECTION": 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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"JOIN": true,
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"K": true,
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"KEY": true,
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"KEY_MEMBER": true,
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"KEY_TYPE": true,
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"LABEL": true,
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"LAG": true,
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"LANGUAGE": true,
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"LARGE": true,
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"LAST": true,
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"LAST_VALUE": 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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"LEAD": 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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"LEVEL": true,
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"LIBRARY": true,
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"LIKE": true,
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"LIKE_REGEX": true,
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"LIMIT": true,
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"LINK": true,
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"LISTEN": true,
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"LN": 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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"LOWER": true,
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"M": true,
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"MAP": true,
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"MAPPING": true,
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"MATCH": true,
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"MATCHED": true,
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"MATERIALIZED": true,
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"MAX": true,
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"MAXVALUE": true,
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"MAX_CARDINALITY": true,
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"MEMBER": 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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"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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"MODULE": true,
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"MONTH": true,
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"MORE": true,
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"MOVE": true,
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"MULTISET": true,
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"MUMPS": true,
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"NAME": true,
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"NAMES": true,
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"NAMESPACE": 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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"NESTING": true,
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"NEW": true,
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"NEXT": true,
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"NFC": true,
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"NFD": true,
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"NFKC": true,
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"NFKD": true,
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"NIL": true,
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"NO": true,
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"NONE": true,
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"NORMALIZE": true,
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"NORMALIZED": 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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"NTH_VALUE": true,
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"NTILE": 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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"OBJECT": true,
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"OCCURRENCES_REGEX": true,
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"OCTETS": 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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"OPERATOR": 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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"ORDERING": true,
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"ORDINALITY": true,
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"OTHERS": 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,
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"OVERLAPS": true,
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"OVERLAY": true,
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"OVERRIDING": true,
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"OWNED": true,
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"OWNER": true,
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"P": true,
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"PAD": true,
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"PARAMETER": true,
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"PARAMETER_MODE": true,
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"PARAMETER_NAME": true,
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"PARAMETER_ORDINAL_POSITION": true,
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"PARAMETER_SPECIFIC_CATALOG": true,
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"PARAMETER_SPECIFIC_NAME": true,
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"PARAMETER_SPECIFIC_SCHEMA": true,
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"PARSER": true,
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"PARTIAL": true,
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"PARTITION": true,
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"PASCAL": true,
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"PASSING": true,
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"PASSTHROUGH": true,
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"PASSWORD": true,
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"PATH": true,
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"PERCENT": true,
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"PERCENTILE_CONT": true,
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"PERCENTILE_DISC": true,
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"PERCENT_RANK": true,
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"PERIOD": true,
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"PERMISSION": true,
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"PLACING": true,
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"PLANS": true,
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"PLI": true,
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"PORTION": true,
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"POSITION": true,
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"POSITION_REGEX": true,
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"POWER": true,
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"PRECEDES": true,
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"PRECEDING": true,
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"PRECISION": true,
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"PREPARE": true,
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"PREPARED": true,
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"PRESERVE": true,
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"PRIMARY": true,
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"PRIOR": true,
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"PRIVILEGES": true,
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"PROCEDURAL": true,
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"PROCEDURE": true,
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"PROGRAM": true,
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"PUBLIC": true,
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"QUOTE": true,
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"RANGE": true,
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"RANK": true,
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"READ": true,
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"READS": true,
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"REAL": true,
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"REASSIGN": true,
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"RECHECK": true,
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"RECOVERY": true,
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"RECURSIVE": true,
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"REF": true,
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"REFERENCES": true,
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"REFERENCING": true,
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"REFRESH": true,
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"REGR_AVGX": true,
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"REGR_AVGY": true,
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"REGR_COUNT": true,
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"REGR_INTERCEPT": true,
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"REGR_R2": true,
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"REGR_SLOPE": true,
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"REGR_SXX": true,
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"REGR_SXY": true,
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"REGR_SYY": true,
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"REINDEX": true,
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"RELATIVE": true,
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"RELEASE": true,
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"RENAME": true,
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"REPEATABLE": true,
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"REPLACE": true,
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"REPLICA": true,
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"REQUIRING": true,
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"RESET": true,
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"RESPECT": true,
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"RESTART": true,
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"RESTORE": true,
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"RESTRICT": true,
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"RESULT": true,
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"RETURN": true,
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"RETURNED_CARDINALITY": true,
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"RETURNED_LENGTH": true,
|
|
"RETURNED_OCTET_LENGTH": true,
|
|
"RETURNED_SQLSTATE": true,
|
|
"RETURNING": true,
|
|
"RETURNS": 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,
|
|
"ROW_NUMBER": true,
|
|
"RULE": true,
|
|
"SAVEPOINT": true,
|
|
"SCALE": true,
|
|
"SCHEMA": true,
|
|
"SCHEMA_NAME": true,
|
|
"SCOPE": true,
|
|
"SCOPE_CATALOG": true,
|
|
"SCOPE_NAME": true,
|
|
"SCOPE_SCHEMA": true,
|
|
"SCROLL": true,
|
|
"SEARCH": true,
|
|
"SECOND": true,
|
|
"SECTION": true,
|
|
"SECURITY": true,
|
|
"SELECT": true,
|
|
"SELECTIVE": 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,
|
|
"SHOW": true,
|
|
"SIMILAR": true,
|
|
"SIMPLE": true,
|
|
"SIZE": true,
|
|
"SMALLINT": true,
|
|
"SNAPSHOT": true,
|
|
"SOME": true,
|
|
"SOURCE": true,
|
|
"SPACE": true,
|
|
"SPECIFIC": true,
|
|
"SPECIFICTYPE": true,
|
|
"SPECIFIC_NAME": true,
|
|
"SQL": true,
|
|
"SQLCODE": true,
|
|
"SQLERROR": true,
|
|
"SQLEXCEPTION": true,
|
|
"SQLSTATE": true,
|
|
"SQLWARNING": true,
|
|
"SQRT": true,
|
|
"STABLE": true,
|
|
"STANDALONE": true,
|
|
"START": true,
|
|
"STATE": true,
|
|
"STATEMENT": true,
|
|
"STATIC": true,
|
|
"STATISTICS": true,
|
|
"STDDEV_POP": true,
|
|
"STDDEV_SAMP": true,
|
|
"STDIN": true,
|
|
"STDOUT": true,
|
|
"STORAGE": true,
|
|
"STRICT": true,
|
|
"STRIP": true,
|
|
"STRUCTURE": true,
|
|
"STYLE": true,
|
|
"SUBCLASS_ORIGIN": true,
|
|
"SUBMULTISET": true,
|
|
"SUBSTRING": true,
|
|
"SUBSTRING_REGEX": true,
|
|
"SUCCEEDS": true,
|
|
"SUM": true,
|
|
"SYMMETRIC": true,
|
|
"SYSID": true,
|
|
"SYSTEM": true,
|
|
"SYSTEM_TIME": true,
|
|
"SYSTEM_USER": true,
|
|
"T": true,
|
|
"TABLE": true,
|
|
"TABLES": true,
|
|
"TABLESAMPLE": true,
|
|
"TABLESPACE": true,
|
|
"TABLE_NAME": true,
|
|
"TEMP": true,
|
|
"TEMPLATE": true,
|
|
"TEMPORARY": true,
|
|
"TEXT": true,
|
|
"THEN": true,
|
|
"TIES": true,
|
|
"TIME": true,
|
|
"TIMESTAMP": true,
|
|
"TIMEZONE_HOUR": true,
|
|
"TIMEZONE_MINUTE": true,
|
|
"TO": true,
|
|
"TOKEN": true,
|
|
"TOP_LEVEL_COUNT": true,
|
|
"TRAILING": true,
|
|
"TRANSACTION": true,
|
|
"TRANSACTIONS_COMMITTED": true,
|
|
"TRANSACTIONS_ROLLED_BACK": true,
|
|
"TRANSACTION_ACTIVE": true,
|
|
"TRANSFORM": true,
|
|
"TRANSFORMS": true,
|
|
"TRANSLATE": true,
|
|
"TRANSLATE_REGEX": true,
|
|
"TRANSLATION": true,
|
|
"TREAT": true,
|
|
"TRIGGER": true,
|
|
"TRIGGER_CATALOG": true,
|
|
"TRIGGER_NAME": true,
|
|
"TRIGGER_SCHEMA": true,
|
|
"TRIM": true,
|
|
"TRIM_ARRAY": true,
|
|
"TRUE": true,
|
|
"TRUNCATE": true,
|
|
"TRUSTED": true,
|
|
"TYPE": true,
|
|
"TYPES": true,
|
|
"UESCAPE": true,
|
|
"UNBOUNDED": true,
|
|
"UNCOMMITTED": true,
|
|
"UNDER": true,
|
|
"UNENCRYPTED": true,
|
|
"UNION": true,
|
|
"UNIQUE": true,
|
|
"UNKNOWN": true,
|
|
"UNLINK": true,
|
|
"UNLISTEN": true,
|
|
"UNLOGGED": true,
|
|
"UNNAMED": true,
|
|
"UNNEST": true,
|
|
"UNTIL": true,
|
|
"UNTYPED": true,
|
|
"UPDATE": true,
|
|
"UPPER": true,
|
|
"URI": true,
|
|
"USAGE": true,
|
|
"USER": true,
|
|
"USER_DEFINED_TYPE_CATALOG": true,
|
|
"USER_DEFINED_TYPE_CODE": true,
|
|
"USER_DEFINED_TYPE_NAME": true,
|
|
"USER_DEFINED_TYPE_SCHEMA": true,
|
|
"USING": true,
|
|
"VACUUM": true,
|
|
"VALID": true,
|
|
"VALIDATE": true,
|
|
"VALIDATOR": true,
|
|
"VALUE": true,
|
|
"VALUES": true,
|
|
"VALUE_OF": true,
|
|
"VARBINARY": true,
|
|
"VARCHAR": true,
|
|
"VARIADIC": true,
|
|
"VARYING": true,
|
|
"VAR_POP": true,
|
|
"VAR_SAMP": true,
|
|
"VERBOSE": true,
|
|
"VERSION": true,
|
|
"VERSIONING": true,
|
|
"VIEW": true,
|
|
"VOLATILE": true,
|
|
"WHEN": true,
|
|
"WHENEVER": true,
|
|
"WHERE": true,
|
|
"WHITESPACE": true,
|
|
"WIDTH_BUCKET": true,
|
|
"WINDOW": true,
|
|
"WITH": true,
|
|
"WITHIN": true,
|
|
"WITHOUT": true,
|
|
"WORK": true,
|
|
"WRAPPER": true,
|
|
"WRITE": true,
|
|
"XML": true,
|
|
"XMLAGG": true,
|
|
"XMLATTRIBUTES": true,
|
|
"XMLBINARY": true,
|
|
"XMLCAST": true,
|
|
"XMLCOMMENT": true,
|
|
"XMLCONCAT": true,
|
|
"XMLDECLARATION": true,
|
|
"XMLDOCUMENT": true,
|
|
"XMLELEMENT": true,
|
|
"XMLEXISTS": true,
|
|
"XMLFOREST": true,
|
|
"XMLITERATE": true,
|
|
"XMLNAMESPACES": true,
|
|
"XMLPARSE": true,
|
|
"XMLPI": true,
|
|
"XMLQUERY": true,
|
|
"XMLROOT": true,
|
|
"XMLSCHEMA": true,
|
|
"XMLSERIALIZE": true,
|
|
"XMLTABLE": true,
|
|
"XMLTEXT": true,
|
|
"XMLVALIDATE": true,
|
|
"YEAR": true,
|
|
"YES": true,
|
|
"ZONE": true,
|
|
}
|
|
)
|
|
|
|
type postgres struct {
|
|
core.Base
|
|
}
|
|
|
|
func (db *postgres) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
|
|
return db.Base.Init(d, db, uri, drivername, dataSourceName)
|
|
}
|
|
|
|
func (db *postgres) SqlType(c *core.Column) string {
|
|
var res string
|
|
switch t := c.SQLType.Name; t {
|
|
case core.TinyInt:
|
|
res = core.SmallInt
|
|
return res
|
|
case core.MediumInt, core.Int, core.Integer:
|
|
if c.IsAutoIncrement {
|
|
return core.Serial
|
|
}
|
|
return core.Integer
|
|
case core.BigInt:
|
|
if c.IsAutoIncrement {
|
|
return core.BigSerial
|
|
}
|
|
return core.BigInt
|
|
case core.Serial, core.BigSerial:
|
|
c.IsAutoIncrement = true
|
|
c.Nullable = false
|
|
res = t
|
|
case core.Binary, core.VarBinary:
|
|
return core.Bytea
|
|
case core.DateTime:
|
|
res = core.TimeStamp
|
|
case core.TimeStampz:
|
|
return "timestamp with time zone"
|
|
case core.Float:
|
|
res = core.Real
|
|
case core.TinyText, core.MediumText, core.LongText:
|
|
res = core.Text
|
|
case core.NVarchar:
|
|
res = core.Varchar
|
|
case core.Uuid:
|
|
res = core.Uuid
|
|
case core.Blob, core.TinyBlob, core.MediumBlob, core.LongBlob:
|
|
return core.Bytea
|
|
case core.Double:
|
|
return "DOUBLE PRECISION"
|
|
default:
|
|
if c.IsAutoIncrement {
|
|
return core.Serial
|
|
}
|
|
res = t
|
|
}
|
|
|
|
hasLen1 := (c.Length > 0)
|
|
hasLen2 := (c.Length2 > 0)
|
|
|
|
if hasLen2 {
|
|
res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
|
|
} else if hasLen1 {
|
|
res += "(" + strconv.Itoa(c.Length) + ")"
|
|
}
|
|
return res
|
|
}
|
|
|
|
func (db *postgres) SupportInsertMany() bool {
|
|
return true
|
|
}
|
|
|
|
func (db *postgres) IsReserved(name string) bool {
|
|
_, ok := postgresReservedWords[name]
|
|
return ok
|
|
}
|
|
|
|
func (db *postgres) Quote(name string) string {
|
|
name = strings.Replace(name, ".", `"."`, -1)
|
|
return "\"" + name + "\""
|
|
}
|
|
|
|
func (db *postgres) QuoteStr() string {
|
|
return "\""
|
|
}
|
|
|
|
func (db *postgres) AutoIncrStr() string {
|
|
return ""
|
|
}
|
|
|
|
func (db *postgres) SupportEngine() bool {
|
|
return false
|
|
}
|
|
|
|
func (db *postgres) SupportCharset() bool {
|
|
return false
|
|
}
|
|
|
|
func (db *postgres) IndexOnTable() bool {
|
|
return false
|
|
}
|
|
|
|
func (db *postgres) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
|
|
args := []interface{}{tableName, idxName}
|
|
return `SELECT indexname FROM pg_indexes ` +
|
|
`WHERE tablename = ? AND indexname = ?`, args
|
|
}
|
|
|
|
func (db *postgres) TableCheckSql(tableName string) (string, []interface{}) {
|
|
args := []interface{}{tableName}
|
|
return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
|
|
}
|
|
|
|
/*func (db *postgres) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
|
|
args := []interface{}{tableName, colName}
|
|
return "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ?" +
|
|
" AND column_name = ?", args
|
|
}*/
|
|
|
|
func (db *postgres) ModifyColumnSql(tableName string, col *core.Column) string {
|
|
return fmt.Sprintf("alter table %s ALTER COLUMN %s TYPE %s",
|
|
tableName, col.Name, db.SqlType(col))
|
|
}
|
|
|
|
func (db *postgres) DropIndexSql(tableName string, index *core.Index) string {
|
|
//var unique string
|
|
quote := db.Quote
|
|
idxName := index.Name
|
|
|
|
if !strings.HasPrefix(idxName, "UQE_") &&
|
|
!strings.HasPrefix(idxName, "IDX_") {
|
|
if index.Type == core.UniqueType {
|
|
idxName = fmt.Sprintf("UQE_%v_%v", tableName, index.Name)
|
|
} else {
|
|
idxName = fmt.Sprintf("IDX_%v_%v", tableName, index.Name)
|
|
}
|
|
}
|
|
return fmt.Sprintf("DROP INDEX %v", quote(idxName))
|
|
}
|
|
|
|
func (db *postgres) IsColumnExist(tableName, colName string) (bool, error) {
|
|
args := []interface{}{tableName, colName}
|
|
query := "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = $1" +
|
|
" AND column_name = $2"
|
|
db.LogSQL(query, args)
|
|
|
|
rows, err := db.DB().Query(query, args...)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
return rows.Next(), nil
|
|
}
|
|
|
|
func (db *postgres) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
|
|
// FIXME: the schema should be replaced by user custom's
|
|
args := []interface{}{tableName, "public"}
|
|
s := `SELECT column_name, column_default, is_nullable, data_type, character_maximum_length, numeric_precision, numeric_precision_radix ,
|
|
CASE WHEN p.contype = 'p' THEN true ELSE false END AS primarykey,
|
|
CASE WHEN p.contype = 'u' THEN true ELSE false END AS uniquekey
|
|
FROM pg_attribute f
|
|
JOIN pg_class c ON c.oid = f.attrelid JOIN pg_type t ON t.oid = f.atttypid
|
|
LEFT JOIN pg_attrdef d ON d.adrelid = c.oid AND d.adnum = f.attnum
|
|
LEFT JOIN pg_namespace n ON n.oid = c.relnamespace
|
|
LEFT JOIN pg_constraint p ON p.conrelid = c.oid AND f.attnum = ANY (p.conkey)
|
|
LEFT JOIN pg_class AS g ON p.confrelid = g.oid
|
|
LEFT JOIN INFORMATION_SCHEMA.COLUMNS s ON s.column_name=f.attname AND c.relname=s.table_name
|
|
WHERE c.relkind = 'r'::char AND c.relname = $1 AND s.table_schema = $2 AND f.attnum > 0 ORDER BY f.attnum;`
|
|
db.LogSQL(s, args)
|
|
|
|
rows, err := db.DB().Query(s, args...)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
cols := make(map[string]*core.Column)
|
|
colSeq := make([]string, 0)
|
|
|
|
for rows.Next() {
|
|
col := new(core.Column)
|
|
col.Indexes = make(map[string]int)
|
|
|
|
var colName, isNullable, dataType string
|
|
var maxLenStr, colDefault, numPrecision, numRadix *string
|
|
var isPK, isUnique bool
|
|
err = rows.Scan(&colName, &colDefault, &isNullable, &dataType, &maxLenStr, &numPrecision, &numRadix, &isPK, &isUnique)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
//fmt.Println(args, colName, isNullable, dataType, maxLenStr, colDefault, numPrecision, numRadix, isPK, isUnique)
|
|
var maxLen int
|
|
if maxLenStr != nil {
|
|
maxLen, err = strconv.Atoi(*maxLenStr)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
}
|
|
|
|
col.Name = strings.Trim(colName, `" `)
|
|
|
|
if colDefault != nil || isPK {
|
|
if isPK {
|
|
col.IsPrimaryKey = true
|
|
} else {
|
|
col.Default = *colDefault
|
|
}
|
|
}
|
|
|
|
if colDefault != nil && strings.HasPrefix(*colDefault, "nextval(") {
|
|
col.IsAutoIncrement = true
|
|
}
|
|
|
|
col.Nullable = (isNullable == "YES")
|
|
|
|
switch dataType {
|
|
case "character varying", "character":
|
|
col.SQLType = core.SQLType{Name: core.Varchar, DefaultLength: 0, DefaultLength2: 0}
|
|
case "timestamp without time zone":
|
|
col.SQLType = core.SQLType{Name: core.DateTime, DefaultLength: 0, DefaultLength2: 0}
|
|
case "timestamp with time zone":
|
|
col.SQLType = core.SQLType{Name: core.TimeStampz, DefaultLength: 0, DefaultLength2: 0}
|
|
case "double precision":
|
|
col.SQLType = core.SQLType{Name: core.Double, DefaultLength: 0, DefaultLength2: 0}
|
|
case "boolean":
|
|
col.SQLType = core.SQLType{Name: core.Bool, DefaultLength: 0, DefaultLength2: 0}
|
|
case "time without time zone":
|
|
col.SQLType = core.SQLType{Name: core.Time, DefaultLength: 0, DefaultLength2: 0}
|
|
case "oid":
|
|
col.SQLType = core.SQLType{Name: core.BigInt, DefaultLength: 0, DefaultLength2: 0}
|
|
default:
|
|
col.SQLType = core.SQLType{Name: strings.ToUpper(dataType), DefaultLength: 0, DefaultLength2: 0}
|
|
}
|
|
if _, ok := core.SqlTypes[col.SQLType.Name]; !ok {
|
|
return nil, nil, fmt.Errorf("Unknown colType: %v", dataType)
|
|
}
|
|
|
|
col.Length = maxLen
|
|
|
|
if col.SQLType.IsText() || col.SQLType.IsTime() {
|
|
if col.Default != "" {
|
|
col.Default = "'" + col.Default + "'"
|
|
} else {
|
|
if col.DefaultIsEmpty {
|
|
col.Default = "''"
|
|
}
|
|
}
|
|
}
|
|
cols[col.Name] = col
|
|
colSeq = append(colSeq, col.Name)
|
|
}
|
|
|
|
return colSeq, cols, nil
|
|
}
|
|
|
|
func (db *postgres) GetTables() ([]*core.Table, error) {
|
|
// FIXME: replace public to user customrize schema
|
|
args := []interface{}{"public"}
|
|
s := fmt.Sprintf("SELECT tablename FROM pg_tables WHERE schemaname = $1")
|
|
db.LogSQL(s, args)
|
|
|
|
rows, err := db.DB().Query(s, args...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
tables := make([]*core.Table, 0)
|
|
for rows.Next() {
|
|
table := core.NewEmptyTable()
|
|
var name string
|
|
err = rows.Scan(&name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
table.Name = name
|
|
tables = append(tables, table)
|
|
}
|
|
return tables, nil
|
|
}
|
|
|
|
func (db *postgres) GetIndexes(tableName string) (map[string]*core.Index, error) {
|
|
// FIXME: replace the public schema to user specify schema
|
|
args := []interface{}{"public", tableName}
|
|
s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE schemaname=$1 AND tablename=$2")
|
|
db.LogSQL(s, args)
|
|
|
|
rows, err := db.DB().Query(s, args...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
indexes := make(map[string]*core.Index, 0)
|
|
for rows.Next() {
|
|
var indexType int
|
|
var indexName, indexdef string
|
|
var colNames []string
|
|
err = rows.Scan(&indexName, &indexdef)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
indexName = strings.Trim(indexName, `" `)
|
|
if strings.HasSuffix(indexName, "_pkey") {
|
|
continue
|
|
}
|
|
if strings.HasPrefix(indexdef, "CREATE UNIQUE INDEX") {
|
|
indexType = core.UniqueType
|
|
} else {
|
|
indexType = core.IndexType
|
|
}
|
|
cs := strings.Split(indexdef, "(")
|
|
colNames = strings.Split(cs[1][0:len(cs[1])-1], ",")
|
|
|
|
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
|
newIdxName := indexName[5+len(tableName):]
|
|
if newIdxName != "" {
|
|
indexName = newIdxName
|
|
}
|
|
}
|
|
|
|
index := &core.Index{Name: indexName, Type: indexType, Cols: make([]string, 0)}
|
|
for _, colName := range colNames {
|
|
index.Cols = append(index.Cols, strings.Trim(colName, `" `))
|
|
}
|
|
indexes[index.Name] = index
|
|
}
|
|
return indexes, nil
|
|
}
|
|
|
|
func (db *postgres) Filters() []core.Filter {
|
|
return []core.Filter{&core.IdFilter{}, &core.QuoteFilter{}, &core.SeqFilter{Prefix: "$", Start: 1}}
|
|
}
|