mirror of https://github.com/gogits/gogs.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1207 lines
40 KiB
1207 lines
40 KiB
8 years ago
|
// Copyright 2015 The Xorm Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package xorm
|
||
|
|
|
||
|
|
import (
|
||
8 years ago
|
"errors"
|
||
|
8 years ago
|
"fmt"
|
||
|
8 years ago
|
"net/url"
|
||
|
|
"sort"
|
||
|
8 years ago
|
"strconv"
|
||
|
|
"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,
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
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=$2")
|
||
|
|
db.LogSQL(s, args)
|
||
|
|
|
||
|
|
rows, err := db.DB().Query(s, args...)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
defer rows.Close()
|
||
|
|
|
||
|
|
indexes := make(map[string]*core.Index, 0)
|
||
|
|
for rows.Next() {
|
||
|
|
var indexType int
|
||
|
|
var indexName, indexdef string
|
||
|
|
var colNames []string
|
||
|
|
err = rows.Scan(&indexName, &indexdef)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
indexName = strings.Trim(indexName, `" `)
|
||
|
|
if strings.HasSuffix(indexName, "_pkey") {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
if strings.HasPrefix(indexdef, "CREATE UNIQUE INDEX") {
|
||
|
|
indexType = core.UniqueType
|
||
|
|
} else {
|
||
|
|
indexType = core.IndexType
|
||
|
|
}
|
||
|
|
cs := strings.Split(indexdef, "(")
|
||
|
|
colNames = strings.Split(cs[1][0:len(cs[1])-1], ",")
|
||
|
8 years ago
|
var isRegular bool
|
||
|
8 years ago
|
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
||
|
8 years ago
|
newIdxName := indexName[5+len(tableName):]
|
||
|
8 years ago
|
isRegular = true
|
||
|
8 years ago
|
if newIdxName != "" {
|
||
|
|
indexName = newIdxName
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
index := &core.Index{Name: indexName, Type: indexType, Cols: make([]string, 0)}
|
||
|
|
for _, colName := range colNames {
|
||
|
|
index.Cols = append(index.Cols, strings.Trim(colName, `" `))
|
||
|
|
}
|
||
|
8 years ago
|
index.IsRegular = isRegular
|
||
|
8 years ago
|
indexes[index.Name] = index
|
||
|
|
}
|
||
|
|
return indexes, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (db *postgres) Filters() []core.Filter {
|
||
|
|
return []core.Filter{&core.IdFilter{}, &core.QuoteFilter{}, &core.SeqFilter{Prefix: "$", Start: 1}}
|
||
|
|
}
|
||
|
8 years ago
|
|
||
|
|
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 errorf(s string, args ...interface{}) {
|
||
|
|
panic(fmt.Errorf("pq: %s", fmt.Sprintf(s, args...)))
|
||
|
|
}
|
||
|
|
|
||
|
|
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)
|
||
|
|
}
|
||
|
|
|
||
|
|
var kvs []string
|
||
|
|
escaper := strings.NewReplacer(` `, `\ `, `'`, `\'`, `\`, `\\`)
|
||
|
|
accrue := func(k, v string) {
|
||
|
|
if v != "" {
|
||
|
|
kvs = append(kvs, k+"="+escaper.Replace(v))
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if u.User != nil {
|
||
|
|
v := u.User.Username()
|
||
|
|
accrue("user", v)
|
||
|
|
|
||
|
|
v, _ = u.User.Password()
|
||
|
|
accrue("password", v)
|
||
|
|
}
|
||
|
|
|
||
|
|
i := strings.Index(u.Host, ":")
|
||
|
|
if i < 0 {
|
||
|
|
accrue("host", u.Host)
|
||
|
|
} else {
|
||
|
|
accrue("host", u.Host[:i])
|
||
|
|
accrue("port", u.Host[i+1:])
|
||
|
|
}
|
||
|
|
|
||
|
|
if u.Path != "" {
|
||
|
|
accrue("dbname", u.Path[1:])
|
||
|
|
}
|
||
|
|
|
||
|
|
q := u.Query()
|
||
|
|
for k := range q {
|
||
|
|
accrue(k, q.Get(k))
|
||
|
|
}
|
||
|
|
|
||
|
|
sort.Strings(kvs) // Makes testing easier (not a performance concern)
|
||
|
|
return strings.Join(kvs, " "), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func parseOpts(name string, o values) {
|
||
|
|
if len(name) == 0 {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
name = strings.TrimSpace(name)
|
||
|
|
|
||
|
|
ps := strings.Split(name, " ")
|
||
|
|
for _, p := range ps {
|
||
|
|
kv := strings.Split(p, "=")
|
||
|
|
if len(kv) < 2 {
|
||
|
|
errorf("invalid option: %q", p)
|
||
|
|
}
|
||
|
|
o.Set(kv[0], kv[1])
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *pqDriver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
|
||
|
|
db := &core.Uri{DbType: core.POSTGRES}
|
||
|
|
o := make(values)
|
||
|
|
var err error
|
||
|
|
if strings.HasPrefix(dataSourceName, "postgresql://") || strings.HasPrefix(dataSourceName, "postgres://") {
|
||
|
|
dataSourceName, err = parseURL(dataSourceName)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
}
|
||
|
|
parseOpts(dataSourceName, o)
|
||
|
|
|
||
|
|
db.DbName = o.Get("dbname")
|
||
|
|
if db.DbName == "" {
|
||
|
|
return nil, errors.New("dbname is empty")
|
||
|
|
}
|
||
|
|
/*db.Schema = o.Get("schema")
|
||
|
|
if len(db.Schema) == 0 {
|
||
|
|
db.Schema = "public"
|
||
|
|
}*/
|
||
|
|
return db, nil
|
||
|
|
}
|