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			1238 lines
		
	
	
		
			41 KiB
		
	
	
	
		
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			1238 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2015 The Xorm Authors. All rights reserved.
 | |
| // 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
 | |
| 
 | |
| import (
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| 	"errors"
 | |
| 	"fmt"
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| 	"net/url"
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| 	"strconv"
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| 	"strings"
 | |
| 
 | |
| 	"github.com/go-xorm/core"
 | |
| )
 | |
| 
 | |
| // from http://www.postgresql.org/docs/current/static/sql-keywords-appendix.html
 | |
| var (
 | |
| 	postgresReservedWords = map[string]bool{
 | |
| 		"A":                     true,
 | |
| 		"ABORT":                 true,
 | |
| 		"ABS":                   true,
 | |
| 		"ABSENT":                true,
 | |
| 		"ABSOLUTE":              true,
 | |
| 		"ACCESS":                true,
 | |
| 		"ACCORDING":             true,
 | |
| 		"ACTION":                true,
 | |
| 		"ADA":                   true,
 | |
| 		"ADD":                   true,
 | |
| 		"ADMIN":                 true,
 | |
| 		"AFTER":                 true,
 | |
| 		"AGGREGATE":             true,
 | |
| 		"ALL":                   true,
 | |
| 		"ALLOCATE":              true,
 | |
| 		"ALSO":                  true,
 | |
| 		"ALTER":                 true,
 | |
| 		"ALWAYS":                true,
 | |
| 		"ANALYSE":               true,
 | |
| 		"ANALYZE":               true,
 | |
| 		"AND":                   true,
 | |
| 		"ANY":                   true,
 | |
| 		"ARE":                   true,
 | |
| 		"ARRAY":                 true,
 | |
| 		"ARRAY_AGG":             true,
 | |
| 		"ARRAY_MAX_CARDINALITY": true,
 | |
| 		"AS":                               true,
 | |
| 		"ASC":                              true,
 | |
| 		"ASENSITIVE":                       true,
 | |
| 		"ASSERTION":                        true,
 | |
| 		"ASSIGNMENT":                       true,
 | |
| 		"ASYMMETRIC":                       true,
 | |
| 		"AT":                               true,
 | |
| 		"ATOMIC":                           true,
 | |
| 		"ATTRIBUTE":                        true,
 | |
| 		"ATTRIBUTES":                       true,
 | |
| 		"AUTHORIZATION":                    true,
 | |
| 		"AVG":                              true,
 | |
| 		"BACKWARD":                         true,
 | |
| 		"BASE64":                           true,
 | |
| 		"BEFORE":                           true,
 | |
| 		"BEGIN":                            true,
 | |
| 		"BEGIN_FRAME":                      true,
 | |
| 		"BEGIN_PARTITION":                  true,
 | |
| 		"BERNOULLI":                        true,
 | |
| 		"BETWEEN":                          true,
 | |
| 		"BIGINT":                           true,
 | |
| 		"BINARY":                           true,
 | |
| 		"BIT":                              true,
 | |
| 		"BIT_LENGTH":                       true,
 | |
| 		"BLOB":                             true,
 | |
| 		"BLOCKED":                          true,
 | |
| 		"BOM":                              true,
 | |
| 		"BOOLEAN":                          true,
 | |
| 		"BOTH":                             true,
 | |
| 		"BREADTH":                          true,
 | |
| 		"BY":                               true,
 | |
| 		"C":                                true,
 | |
| 		"CACHE":                            true,
 | |
| 		"CALL":                             true,
 | |
| 		"CALLED":                           true,
 | |
| 		"CARDINALITY":                      true,
 | |
| 		"CASCADE":                          true,
 | |
| 		"CASCADED":                         true,
 | |
| 		"CASE":                             true,
 | |
| 		"CAST":                             true,
 | |
| 		"CATALOG":                          true,
 | |
| 		"CATALOG_NAME":                     true,
 | |
| 		"CEIL":                             true,
 | |
| 		"CEILING":                          true,
 | |
| 		"CHAIN":                            true,
 | |
| 		"CHAR":                             true,
 | |
| 		"CHARACTER":                        true,
 | |
| 		"CHARACTERISTICS":                  true,
 | |
| 		"CHARACTERS":                       true,
 | |
| 		"CHARACTER_LENGTH":                 true,
 | |
| 		"CHARACTER_SET_CATALOG":            true,
 | |
| 		"CHARACTER_SET_NAME":               true,
 | |
| 		"CHARACTER_SET_SCHEMA":             true,
 | |
| 		"CHAR_LENGTH":                      true,
 | |
| 		"CHECK":                            true,
 | |
| 		"CHECKPOINT":                       true,
 | |
| 		"CLASS":                            true,
 | |
| 		"CLASS_ORIGIN":                     true,
 | |
| 		"CLOB":                             true,
 | |
| 		"CLOSE":                            true,
 | |
| 		"CLUSTER":                          true,
 | |
| 		"COALESCE":                         true,
 | |
| 		"COBOL":                            true,
 | |
| 		"COLLATE":                          true,
 | |
| 		"COLLATION":                        true,
 | |
| 		"COLLATION_CATALOG":                true,
 | |
| 		"COLLATION_NAME":                   true,
 | |
| 		"COLLATION_SCHEMA":                 true,
 | |
| 		"COLLECT":                          true,
 | |
| 		"COLUMN":                           true,
 | |
| 		"COLUMNS":                          true,
 | |
| 		"COLUMN_NAME":                      true,
 | |
| 		"COMMAND_FUNCTION":                 true,
 | |
| 		"COMMAND_FUNCTION_CODE":            true,
 | |
| 		"COMMENT":                          true,
 | |
| 		"COMMENTS":                         true,
 | |
| 		"COMMIT":                           true,
 | |
| 		"COMMITTED":                        true,
 | |
| 		"CONCURRENTLY":                     true,
 | |
| 		"CONDITION":                        true,
 | |
| 		"CONDITION_NUMBER":                 true,
 | |
| 		"CONFIGURATION":                    true,
 | |
| 		"CONNECT":                          true,
 | |
| 		"CONNECTION":                       true,
 | |
| 		"CONNECTION_NAME":                  true,
 | |
| 		"CONSTRAINT":                       true,
 | |
| 		"CONSTRAINTS":                      true,
 | |
| 		"CONSTRAINT_CATALOG":               true,
 | |
| 		"CONSTRAINT_NAME":                  true,
 | |
| 		"CONSTRAINT_SCHEMA":                true,
 | |
| 		"CONSTRUCTOR":                      true,
 | |
| 		"CONTAINS":                         true,
 | |
| 		"CONTENT":                          true,
 | |
| 		"CONTINUE":                         true,
 | |
| 		"CONTROL":                          true,
 | |
| 		"CONVERSION":                       true,
 | |
| 		"CONVERT":                          true,
 | |
| 		"COPY":                             true,
 | |
| 		"CORR":                             true,
 | |
| 		"CORRESPONDING":                    true,
 | |
| 		"COST":                             true,
 | |
| 		"COUNT":                            true,
 | |
| 		"COVAR_POP":                        true,
 | |
| 		"COVAR_SAMP":                       true,
 | |
| 		"CREATE":                           true,
 | |
| 		"CROSS":                            true,
 | |
| 		"CSV":                              true,
 | |
| 		"CUBE":                             true,
 | |
| 		"CUME_DIST":                        true,
 | |
| 		"CURRENT":                          true,
 | |
| 		"CURRENT_CATALOG":                  true,
 | |
| 		"CURRENT_DATE":                     true,
 | |
| 		"CURRENT_DEFAULT_TRANSFORM_GROUP":  true,
 | |
| 		"CURRENT_PATH":                     true,
 | |
| 		"CURRENT_ROLE":                     true,
 | |
| 		"CURRENT_ROW":                      true,
 | |
| 		"CURRENT_SCHEMA":                   true,
 | |
| 		"CURRENT_TIME":                     true,
 | |
| 		"CURRENT_TIMESTAMP":                true,
 | |
| 		"CURRENT_TRANSFORM_GROUP_FOR_TYPE": true,
 | |
| 		"CURRENT_USER":                     true,
 | |
| 		"CURSOR":                           true,
 | |
| 		"CURSOR_NAME":                      true,
 | |
| 		"CYCLE":                            true,
 | |
| 		"DATA":                             true,
 | |
| 		"DATABASE":                         true,
 | |
| 		"DATALINK":                         true,
 | |
| 		"DATE":                             true,
 | |
| 		"DATETIME_INTERVAL_CODE":      true,
 | |
| 		"DATETIME_INTERVAL_PRECISION": true,
 | |
| 		"DAY":                        true,
 | |
| 		"DB":                         true,
 | |
| 		"DEALLOCATE":                 true,
 | |
| 		"DEC":                        true,
 | |
| 		"DECIMAL":                    true,
 | |
| 		"DECLARE":                    true,
 | |
| 		"DEFAULT":                    true,
 | |
| 		"DEFAULTS":                   true,
 | |
| 		"DEFERRABLE":                 true,
 | |
| 		"DEFERRED":                   true,
 | |
| 		"DEFINED":                    true,
 | |
| 		"DEFINER":                    true,
 | |
| 		"DEGREE":                     true,
 | |
| 		"DELETE":                     true,
 | |
| 		"DELIMITER":                  true,
 | |
| 		"DELIMITERS":                 true,
 | |
| 		"DENSE_RANK":                 true,
 | |
| 		"DEPTH":                      true,
 | |
| 		"DEREF":                      true,
 | |
| 		"DERIVED":                    true,
 | |
| 		"DESC":                       true,
 | |
| 		"DESCRIBE":                   true,
 | |
| 		"DESCRIPTOR":                 true,
 | |
| 		"DETERMINISTIC":              true,
 | |
| 		"DIAGNOSTICS":                true,
 | |
| 		"DICTIONARY":                 true,
 | |
| 		"DISABLE":                    true,
 | |
| 		"DISCARD":                    true,
 | |
| 		"DISCONNECT":                 true,
 | |
| 		"DISPATCH":                   true,
 | |
| 		"DISTINCT":                   true,
 | |
| 		"DLNEWCOPY":                  true,
 | |
| 		"DLPREVIOUSCOPY":             true,
 | |
| 		"DLURLCOMPLETE":              true,
 | |
| 		"DLURLCOMPLETEONLY":          true,
 | |
| 		"DLURLCOMPLETEWRITE":         true,
 | |
| 		"DLURLPATH":                  true,
 | |
| 		"DLURLPATHONLY":              true,
 | |
| 		"DLURLPATHWRITE":             true,
 | |
| 		"DLURLSCHEME":                true,
 | |
| 		"DLURLSERVER":                true,
 | |
| 		"DLVALUE":                    true,
 | |
| 		"DO":                         true,
 | |
| 		"DOCUMENT":                   true,
 | |
| 		"DOMAIN":                     true,
 | |
| 		"DOUBLE":                     true,
 | |
| 		"DROP":                       true,
 | |
| 		"DYNAMIC":                    true,
 | |
| 		"DYNAMIC_FUNCTION":           true,
 | |
| 		"DYNAMIC_FUNCTION_CODE":      true,
 | |
| 		"EACH":                       true,
 | |
| 		"ELEMENT":                    true,
 | |
| 		"ELSE":                       true,
 | |
| 		"EMPTY":                      true,
 | |
| 		"ENABLE":                     true,
 | |
| 		"ENCODING":                   true,
 | |
| 		"ENCRYPTED":                  true,
 | |
| 		"END":                        true,
 | |
| 		"END-EXEC":                   true,
 | |
| 		"END_FRAME":                  true,
 | |
| 		"END_PARTITION":              true,
 | |
| 		"ENFORCED":                   true,
 | |
| 		"ENUM":                       true,
 | |
| 		"EQUALS":                     true,
 | |
| 		"ESCAPE":                     true,
 | |
| 		"EVENT":                      true,
 | |
| 		"EVERY":                      true,
 | |
| 		"EXCEPT":                     true,
 | |
| 		"EXCEPTION":                  true,
 | |
| 		"EXCLUDE":                    true,
 | |
| 		"EXCLUDING":                  true,
 | |
| 		"EXCLUSIVE":                  true,
 | |
| 		"EXEC":                       true,
 | |
| 		"EXECUTE":                    true,
 | |
| 		"EXISTS":                     true,
 | |
| 		"EXP":                        true,
 | |
| 		"EXPLAIN":                    true,
 | |
| 		"EXPRESSION":                 true,
 | |
| 		"EXTENSION":                  true,
 | |
| 		"EXTERNAL":                   true,
 | |
| 		"EXTRACT":                    true,
 | |
| 		"FALSE":                      true,
 | |
| 		"FAMILY":                     true,
 | |
| 		"FETCH":                      true,
 | |
| 		"FILE":                       true,
 | |
| 		"FILTER":                     true,
 | |
| 		"FINAL":                      true,
 | |
| 		"FIRST":                      true,
 | |
| 		"FIRST_VALUE":                true,
 | |
| 		"FLAG":                       true,
 | |
| 		"FLOAT":                      true,
 | |
| 		"FLOOR":                      true,
 | |
| 		"FOLLOWING":                  true,
 | |
| 		"FOR":                        true,
 | |
| 		"FORCE":                      true,
 | |
| 		"FOREIGN":                    true,
 | |
| 		"FORTRAN":                    true,
 | |
| 		"FORWARD":                    true,
 | |
| 		"FOUND":                      true,
 | |
| 		"FRAME_ROW":                  true,
 | |
| 		"FREE":                       true,
 | |
| 		"FREEZE":                     true,
 | |
| 		"FROM":                       true,
 | |
| 		"FS":                         true,
 | |
| 		"FULL":                       true,
 | |
| 		"FUNCTION":                   true,
 | |
| 		"FUNCTIONS":                  true,
 | |
| 		"FUSION":                     true,
 | |
| 		"G":                          true,
 | |
| 		"GENERAL":                    true,
 | |
| 		"GENERATED":                  true,
 | |
| 		"GET":                        true,
 | |
| 		"GLOBAL":                     true,
 | |
| 		"GO":                         true,
 | |
| 		"GOTO":                       true,
 | |
| 		"GRANT":                      true,
 | |
| 		"GRANTED":                    true,
 | |
| 		"GREATEST":                   true,
 | |
| 		"GROUP":                      true,
 | |
| 		"GROUPING":                   true,
 | |
| 		"GROUPS":                     true,
 | |
| 		"HANDLER":                    true,
 | |
| 		"HAVING":                     true,
 | |
| 		"HEADER":                     true,
 | |
| 		"HEX":                        true,
 | |
| 		"HIERARCHY":                  true,
 | |
| 		"HOLD":                       true,
 | |
| 		"HOUR":                       true,
 | |
| 		"ID":                         true,
 | |
| 		"IDENTITY":                   true,
 | |
| 		"IF":                         true,
 | |
| 		"IGNORE":                     true,
 | |
| 		"ILIKE":                      true,
 | |
| 		"IMMEDIATE":                  true,
 | |
| 		"IMMEDIATELY":                true,
 | |
| 		"IMMUTABLE":                  true,
 | |
| 		"IMPLEMENTATION":             true,
 | |
| 		"IMPLICIT":                   true,
 | |
| 		"IMPORT":                     true,
 | |
| 		"IN":                         true,
 | |
| 		"INCLUDING":                  true,
 | |
| 		"INCREMENT":                  true,
 | |
| 		"INDENT":                     true,
 | |
| 		"INDEX":                      true,
 | |
| 		"INDEXES":                    true,
 | |
| 		"INDICATOR":                  true,
 | |
| 		"INHERIT":                    true,
 | |
| 		"INHERITS":                   true,
 | |
| 		"INITIALLY":                  true,
 | |
| 		"INLINE":                     true,
 | |
| 		"INNER":                      true,
 | |
| 		"INOUT":                      true,
 | |
| 		"INPUT":                      true,
 | |
| 		"INSENSITIVE":                true,
 | |
| 		"INSERT":                     true,
 | |
| 		"INSTANCE":                   true,
 | |
| 		"INSTANTIABLE":               true,
 | |
| 		"INSTEAD":                    true,
 | |
| 		"INT":                        true,
 | |
| 		"INTEGER":                    true,
 | |
| 		"INTEGRITY":                  true,
 | |
| 		"INTERSECT":                  true,
 | |
| 		"INTERSECTION":               true,
 | |
| 		"INTERVAL":                   true,
 | |
| 		"INTO":                       true,
 | |
| 		"INVOKER":                    true,
 | |
| 		"IS":                         true,
 | |
| 		"ISNULL":                     true,
 | |
| 		"ISOLATION":                  true,
 | |
| 		"JOIN":                       true,
 | |
| 		"K":                          true,
 | |
| 		"KEY":                        true,
 | |
| 		"KEY_MEMBER":                 true,
 | |
| 		"KEY_TYPE":                   true,
 | |
| 		"LABEL":                      true,
 | |
| 		"LAG":                        true,
 | |
| 		"LANGUAGE":                   true,
 | |
| 		"LARGE":                      true,
 | |
| 		"LAST":                       true,
 | |
| 		"LAST_VALUE":                 true,
 | |
| 		"LATERAL":                    true,
 | |
| 		"LC_COLLATE":                 true,
 | |
| 		"LC_CTYPE":                   true,
 | |
| 		"LEAD":                       true,
 | |
| 		"LEADING":                    true,
 | |
| 		"LEAKPROOF":                  true,
 | |
| 		"LEAST":                      true,
 | |
| 		"LEFT":                       true,
 | |
| 		"LENGTH":                     true,
 | |
| 		"LEVEL":                      true,
 | |
| 		"LIBRARY":                    true,
 | |
| 		"LIKE":                       true,
 | |
| 		"LIKE_REGEX":                 true,
 | |
| 		"LIMIT":                      true,
 | |
| 		"LINK":                       true,
 | |
| 		"LISTEN":                     true,
 | |
| 		"LN":                         true,
 | |
| 		"LOAD":                       true,
 | |
| 		"LOCAL":                      true,
 | |
| 		"LOCALTIME":                  true,
 | |
| 		"LOCALTIMESTAMP":             true,
 | |
| 		"LOCATION":                   true,
 | |
| 		"LOCATOR":                    true,
 | |
| 		"LOCK":                       true,
 | |
| 		"LOWER":                      true,
 | |
| 		"M":                          true,
 | |
| 		"MAP":                        true,
 | |
| 		"MAPPING":                    true,
 | |
| 		"MATCH":                      true,
 | |
| 		"MATCHED":                    true,
 | |
| 		"MATERIALIZED":               true,
 | |
| 		"MAX":                        true,
 | |
| 		"MAXVALUE":                   true,
 | |
| 		"MAX_CARDINALITY":            true,
 | |
| 		"MEMBER":                     true,
 | |
| 		"MERGE":                      true,
 | |
| 		"MESSAGE_LENGTH":             true,
 | |
| 		"MESSAGE_OCTET_LENGTH":       true,
 | |
| 		"MESSAGE_TEXT":               true,
 | |
| 		"METHOD":                     true,
 | |
| 		"MIN":                        true,
 | |
| 		"MINUTE":                     true,
 | |
| 		"MINVALUE":                   true,
 | |
| 		"MOD":                        true,
 | |
| 		"MODE":                       true,
 | |
| 		"MODIFIES":                   true,
 | |
| 		"MODULE":                     true,
 | |
| 		"MONTH":                      true,
 | |
| 		"MORE":                       true,
 | |
| 		"MOVE":                       true,
 | |
| 		"MULTISET":                   true,
 | |
| 		"MUMPS":                      true,
 | |
| 		"NAME":                       true,
 | |
| 		"NAMES":                      true,
 | |
| 		"NAMESPACE":                  true,
 | |
| 		"NATIONAL":                   true,
 | |
| 		"NATURAL":                    true,
 | |
| 		"NCHAR":                      true,
 | |
| 		"NCLOB":                      true,
 | |
| 		"NESTING":                    true,
 | |
| 		"NEW":                        true,
 | |
| 		"NEXT":                       true,
 | |
| 		"NFC":                        true,
 | |
| 		"NFD":                        true,
 | |
| 		"NFKC":                       true,
 | |
| 		"NFKD":                       true,
 | |
| 		"NIL":                        true,
 | |
| 		"NO":                         true,
 | |
| 		"NONE":                       true,
 | |
| 		"NORMALIZE":                  true,
 | |
| 		"NORMALIZED":                 true,
 | |
| 		"NOT":                        true,
 | |
| 		"NOTHING":                    true,
 | |
| 		"NOTIFY":                     true,
 | |
| 		"NOTNULL":                    true,
 | |
| 		"NOWAIT":                     true,
 | |
| 		"NTH_VALUE":                  true,
 | |
| 		"NTILE":                      true,
 | |
| 		"NULL":                       true,
 | |
| 		"NULLABLE":                   true,
 | |
| 		"NULLIF":                     true,
 | |
| 		"NULLS":                      true,
 | |
| 		"NUMBER":                     true,
 | |
| 		"NUMERIC":                    true,
 | |
| 		"OBJECT":                     true,
 | |
| 		"OCCURRENCES_REGEX":          true,
 | |
| 		"OCTETS":                     true,
 | |
| 		"OCTET_LENGTH":               true,
 | |
| 		"OF":                         true,
 | |
| 		"OFF":                        true,
 | |
| 		"OFFSET":                     true,
 | |
| 		"OIDS":                       true,
 | |
| 		"OLD":                        true,
 | |
| 		"ON":                         true,
 | |
| 		"ONLY":                       true,
 | |
| 		"OPEN":                       true,
 | |
| 		"OPERATOR":                   true,
 | |
| 		"OPTION":                     true,
 | |
| 		"OPTIONS":                    true,
 | |
| 		"OR":                         true,
 | |
| 		"ORDER":                      true,
 | |
| 		"ORDERING":                   true,
 | |
| 		"ORDINALITY":                 true,
 | |
| 		"OTHERS":                     true,
 | |
| 		"OUT":                        true,
 | |
| 		"OUTER":                      true,
 | |
| 		"OUTPUT":                     true,
 | |
| 		"OVER":                       true,
 | |
| 		"OVERLAPS":                   true,
 | |
| 		"OVERLAY":                    true,
 | |
| 		"OVERRIDING":                 true,
 | |
| 		"OWNED":                      true,
 | |
| 		"OWNER":                      true,
 | |
| 		"P":                          true,
 | |
| 		"PAD":                        true,
 | |
| 		"PARAMETER":                  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,
 | |
| 		"PASCAL":                     true,
 | |
| 		"PASSING":                    true,
 | |
| 		"PASSTHROUGH":                true,
 | |
| 		"PASSWORD":                   true,
 | |
| 		"PATH":                       true,
 | |
| 		"PERCENT":                    true,
 | |
| 		"PERCENTILE_CONT":            true,
 | |
| 		"PERCENTILE_DISC":            true,
 | |
| 		"PERCENT_RANK":               true,
 | |
| 		"PERIOD":                     true,
 | |
| 		"PERMISSION":                 true,
 | |
| 		"PLACING":                    true,
 | |
| 		"PLANS":                      true,
 | |
| 		"PLI":                        true,
 | |
| 		"PORTION":                    true,
 | |
| 		"POSITION":                   true,
 | |
| 		"POSITION_REGEX":             true,
 | |
| 		"POWER":                      true,
 | |
| 		"PRECEDES":                   true,
 | |
| 		"PRECEDING":                  true,
 | |
| 		"PRECISION":                  true,
 | |
| 		"PREPARE":                    true,
 | |
| 		"PREPARED":                   true,
 | |
| 		"PRESERVE":                   true,
 | |
| 		"PRIMARY":                    true,
 | |
| 		"PRIOR":                      true,
 | |
| 		"PRIVILEGES":                 true,
 | |
| 		"PROCEDURAL":                 true,
 | |
| 		"PROCEDURE":                  true,
 | |
| 		"PROGRAM":                    true,
 | |
| 		"PUBLIC":                     true,
 | |
| 		"QUOTE":                      true,
 | |
| 		"RANGE":                      true,
 | |
| 		"RANK":                       true,
 | |
| 		"READ":                       true,
 | |
| 		"READS":                      true,
 | |
| 		"REAL":                       true,
 | |
| 		"REASSIGN":                   true,
 | |
| 		"RECHECK":                    true,
 | |
| 		"RECOVERY":                   true,
 | |
| 		"RECURSIVE":                  true,
 | |
| 		"REF":                        true,
 | |
| 		"REFERENCES":                 true,
 | |
| 		"REFERENCING":                true,
 | |
| 		"REFRESH":                    true,
 | |
| 		"REGR_AVGX":                  true,
 | |
| 		"REGR_AVGY":                  true,
 | |
| 		"REGR_COUNT":                 true,
 | |
| 		"REGR_INTERCEPT":             true,
 | |
| 		"REGR_R2":                    true,
 | |
| 		"REGR_SLOPE":                 true,
 | |
| 		"REGR_SXX":                   true,
 | |
| 		"REGR_SXY":                   true,
 | |
| 		"REGR_SYY":                   true,
 | |
| 		"REINDEX":                    true,
 | |
| 		"RELATIVE":                   true,
 | |
| 		"RELEASE":                    true,
 | |
| 		"RENAME":                     true,
 | |
| 		"REPEATABLE":                 true,
 | |
| 		"REPLACE":                    true,
 | |
| 		"REPLICA":                    true,
 | |
| 		"REQUIRING":                  true,
 | |
| 		"RESET":                      true,
 | |
| 		"RESPECT":                    true,
 | |
| 		"RESTART":                    true,
 | |
| 		"RESTORE":                    true,
 | |
| 		"RESTRICT":                   true,
 | |
| 		"RESULT":                     true,
 | |
| 		"RETURN":                     true,
 | |
| 		"RETURNED_CARDINALITY":       true,
 | |
| 		"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,
 | |
| 	}
 | |
| 
 | |
| 	// DefaultPostgresSchema default postgres schema
 | |
| 	DefaultPostgresSchema = "public"
 | |
| )
 | |
| 
 | |
| const postgresPublicSchema = "public"
 | |
| 
 | |
| type postgres struct {
 | |
| 	core.Base
 | |
| }
 | |
| 
 | |
| func (db *postgres) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
 | |
| 	err := db.Base.Init(d, db, uri, drivername, dataSourceName)
 | |
| 	if err != nil {
 | |
| 		return err
 | |
| 	}
 | |
| 	if db.Schema == "" {
 | |
| 		db.Schema = DefaultPostgresSchema
 | |
| 	}
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| 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.Bit:
 | |
| 		res = core.Boolean
 | |
| 		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{}) {
 | |
| 	if len(db.Schema) == 0 {
 | |
| 		args := []interface{}{tableName, idxName}
 | |
| 		return `SELECT indexname FROM pg_indexes WHERE tablename = ? AND indexname = ?`, args
 | |
| 	}
 | |
| 
 | |
| 	args := []interface{}{db.Schema, tableName, idxName}
 | |
| 	return `SELECT indexname FROM pg_indexes ` +
 | |
| 		`WHERE schemaname = ? AND tablename = ? AND indexname = ?`, args
 | |
| }
 | |
| 
 | |
| func (db *postgres) TableCheckSql(tableName string) (string, []interface{}) {
 | |
| 	if len(db.Schema) == 0 {
 | |
| 		args := []interface{}{tableName}
 | |
| 		return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
 | |
| 	}
 | |
| 
 | |
| 	args := []interface{}{db.Schema, tableName}
 | |
| 	return `SELECT tablename FROM pg_tables WHERE schemaname = ? AND tablename = ?`, args
 | |
| }
 | |
| 
 | |
| func (db *postgres) ModifyColumnSql(tableName string, col *core.Column) string {
 | |
| 	if len(db.Schema) == 0 {
 | |
| 		return fmt.Sprintf("alter table %s ALTER COLUMN %s TYPE %s",
 | |
| 			tableName, col.Name, db.SqlType(col))
 | |
| 	}
 | |
| 	return fmt.Sprintf("alter table %s.%s ALTER COLUMN %s TYPE %s",
 | |
| 		db.Schema, tableName, col.Name, db.SqlType(col))
 | |
| }
 | |
| 
 | |
| func (db *postgres) DropIndexSql(tableName string, index *core.Index) string {
 | |
| 	quote := db.Quote
 | |
| 	idxName := index.Name
 | |
| 
 | |
| 	tableName = strings.Replace(tableName, `"`, "", -1)
 | |
| 	tableName = strings.Replace(tableName, `.`, "_", -1)
 | |
| 
 | |
| 	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)
 | |
| 		}
 | |
| 	}
 | |
| 	if db.Uri.Schema != "" {
 | |
| 		idxName = db.Uri.Schema + "." + idxName
 | |
| 	}
 | |
| 	return fmt.Sprintf("DROP INDEX %v", quote(idxName))
 | |
| }
 | |
| 
 | |
| func (db *postgres) IsColumnExist(tableName, colName string) (bool, error) {
 | |
| 	args := []interface{}{db.Schema, tableName, colName}
 | |
| 	query := "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = $1 AND table_name = $2" +
 | |
| 		" AND column_name = $3"
 | |
| 	if len(db.Schema) == 0 {
 | |
| 		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) {
 | |
| 	args := []interface{}{tableName}
 | |
| 	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%s AND f.attnum > 0 ORDER BY f.attnum;`
 | |
| 
 | |
| 	var f string
 | |
| 	if len(db.Schema) != 0 {
 | |
| 		args = append(args, db.Schema)
 | |
| 		f = " AND s.table_schema = $2"
 | |
| 	}
 | |
| 	s = fmt.Sprintf(s, f)
 | |
| 
 | |
| 	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) {
 | |
| 	args := []interface{}{}
 | |
| 	s := "SELECT tablename FROM pg_tables"
 | |
| 	if len(db.Schema) != 0 {
 | |
| 		args = append(args, db.Schema)
 | |
| 		s = s + " 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) {
 | |
| 	args := []interface{}{tableName}
 | |
| 	s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE tablename=$1")
 | |
| 	if len(db.Schema) != 0 {
 | |
| 		args = append(args, db.Schema)
 | |
| 		s = s + " AND schemaname=$2"
 | |
| 	}
 | |
| 	db.LogSQL(s, args)
 | |
| 
 | |
| 	rows, err := db.DB().Query(s, args...)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 	defer rows.Close()
 | |
| 
 | |
| 	indexes := make(map[string]*core.Index, 0)
 | |
| 	for rows.Next() {
 | |
| 		var indexType int
 | |
| 		var indexName, indexdef string
 | |
| 		var colNames []string
 | |
| 		err = rows.Scan(&indexName, &indexdef)
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 		indexName = strings.Trim(indexName, `" `)
 | |
| 		if strings.HasSuffix(indexName, "_pkey") {
 | |
| 			continue
 | |
| 		}
 | |
| 		if strings.HasPrefix(indexdef, "CREATE UNIQUE INDEX") {
 | |
| 			indexType = core.UniqueType
 | |
| 		} else {
 | |
| 			indexType = core.IndexType
 | |
| 		}
 | |
| 		cs := strings.Split(indexdef, "(")
 | |
| 		colNames = strings.Split(cs[1][0:len(cs[1])-1], ",")
 | |
| 		var isRegular bool
 | |
| 		if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
 | |
| 			newIdxName := indexName[5+len(tableName):]
 | |
| 			isRegular = true
 | |
| 			if newIdxName != "" {
 | |
| 				indexName = newIdxName
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		index := &core.Index{Name: indexName, Type: indexType, Cols: make([]string, 0)}
 | |
| 		for _, colName := range colNames {
 | |
| 			index.Cols = append(index.Cols, strings.Trim(colName, `" `))
 | |
| 		}
 | |
| 		index.IsRegular = isRegular
 | |
| 		indexes[index.Name] = index
 | |
| 	}
 | |
| 	return indexes, nil
 | |
| }
 | |
| 
 | |
| func (db *postgres) Filters() []core.Filter {
 | |
| 	return []core.Filter{&core.IdFilter{}, &core.QuoteFilter{}, &core.SeqFilter{Prefix: "$", Start: 1}}
 | |
| }
 | |
| 
 | |
| type pqDriver struct {
 | |
| }
 | |
| 
 | |
| type values map[string]string
 | |
| 
 | |
| func (vs values) Set(k, v string) {
 | |
| 	vs[k] = v
 | |
| }
 | |
| 
 | |
| func (vs values) Get(k string) (v string) {
 | |
| 	return vs[k]
 | |
| }
 | |
| 
 | |
| func parseURL(connstr string) (string, error) {
 | |
| 	u, err := url.Parse(connstr)
 | |
| 	if err != nil {
 | |
| 		return "", err
 | |
| 	}
 | |
| 
 | |
| 	if u.Scheme != "postgresql" && u.Scheme != "postgres" {
 | |
| 		return "", fmt.Errorf("invalid connection protocol: %s", u.Scheme)
 | |
| 	}
 | |
| 
 | |
| 	escaper := strings.NewReplacer(` `, `\ `, `'`, `\'`, `\`, `\\`)
 | |
| 
 | |
| 	if u.Path != "" {
 | |
| 		return escaper.Replace(u.Path[1:]), nil
 | |
| 	}
 | |
| 
 | |
| 	return "", nil
 | |
| }
 | |
| 
 | |
| func parseOpts(name string, o values) error {
 | |
| 	if len(name) == 0 {
 | |
| 		return fmt.Errorf("invalid options: %s", name)
 | |
| 	}
 | |
| 
 | |
| 	name = strings.TrimSpace(name)
 | |
| 
 | |
| 	ps := strings.Split(name, " ")
 | |
| 	for _, p := range ps {
 | |
| 		kv := strings.Split(p, "=")
 | |
| 		if len(kv) < 2 {
 | |
| 			return fmt.Errorf("invalid option: %q", p)
 | |
| 		}
 | |
| 		o.Set(kv[0], kv[1])
 | |
| 	}
 | |
| 
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| func (p *pqDriver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
 | |
| 	db := &core.Uri{DbType: core.POSTGRES}
 | |
| 	var err error
 | |
| 
 | |
| 	if strings.HasPrefix(dataSourceName, "postgresql://") || strings.HasPrefix(dataSourceName, "postgres://") {
 | |
| 		db.DbName, err = parseURL(dataSourceName)
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 	} else {
 | |
| 		o := make(values)
 | |
| 		err = parseOpts(dataSourceName, o)
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 
 | |
| 		db.DbName = o.Get("dbname")
 | |
| 	}
 | |
| 
 | |
| 	if db.DbName == "" {
 | |
| 		return nil, errors.New("dbname is empty")
 | |
| 	}
 | |
| 
 | |
| 	return db, nil
 | |
| }
 | |
| 
 | |
| type pqDriverPgx struct {
 | |
| 	pqDriver
 | |
| }
 | |
| 
 | |
| func (pgx *pqDriverPgx) Parse(driverName, dataSourceName string) (*core.Uri, error) {
 | |
| 	// Remove the leading characters for driver to work
 | |
| 	if len(dataSourceName) >= 9 && dataSourceName[0] == 0 {
 | |
| 		dataSourceName = dataSourceName[9:]
 | |
| 	}
 | |
| 	return pgx.pqDriver.Parse(driverName, dataSourceName)
 | |
| }
 |