mirror of
https://github.com/go-gitea/gitea
synced 2024-11-02 08:14:25 +00:00
489 lines
13 KiB
Go
489 lines
13 KiB
Go
// 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 (
|
|
"crypto/tls"
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/go-xorm/core"
|
|
)
|
|
|
|
var (
|
|
mysqlReservedWords = map[string]bool{
|
|
"ADD": true,
|
|
"ALL": true,
|
|
"ALTER": true,
|
|
"ANALYZE": true,
|
|
"AND": true,
|
|
"AS": true,
|
|
"ASC": true,
|
|
"ASENSITIVE": true,
|
|
"BEFORE": true,
|
|
"BETWEEN": true,
|
|
"BIGINT": true,
|
|
"BINARY": true,
|
|
"BLOB": true,
|
|
"BOTH": true,
|
|
"BY": true,
|
|
"CALL": true,
|
|
"CASCADE": true,
|
|
"CASE": true,
|
|
"CHANGE": true,
|
|
"CHAR": true,
|
|
"CHARACTER": true,
|
|
"CHECK": true,
|
|
"COLLATE": true,
|
|
"COLUMN": true,
|
|
"CONDITION": true,
|
|
"CONNECTION": true,
|
|
"CONSTRAINT": true,
|
|
"CONTINUE": true,
|
|
"CONVERT": true,
|
|
"CREATE": true,
|
|
"CROSS": true,
|
|
"CURRENT_DATE": true,
|
|
"CURRENT_TIME": true,
|
|
"CURRENT_TIMESTAMP": true,
|
|
"CURRENT_USER": true,
|
|
"CURSOR": true,
|
|
"DATABASE": true,
|
|
"DATABASES": true,
|
|
"DAY_HOUR": true,
|
|
"DAY_MICROSECOND": true,
|
|
"DAY_MINUTE": true,
|
|
"DAY_SECOND": true,
|
|
"DEC": true,
|
|
"DECIMAL": true,
|
|
"DECLARE": true,
|
|
"DEFAULT": true,
|
|
"DELAYED": true,
|
|
"DELETE": true,
|
|
"DESC": true,
|
|
"DESCRIBE": true,
|
|
"DETERMINISTIC": true,
|
|
"DISTINCT": true,
|
|
"DISTINCTROW": true,
|
|
"DIV": true,
|
|
"DOUBLE": true,
|
|
"DROP": true,
|
|
"DUAL": true,
|
|
"EACH": true,
|
|
"ELSE": true,
|
|
"ELSEIF": true,
|
|
"ENCLOSED": true,
|
|
"ESCAPED": true,
|
|
"EXISTS": true,
|
|
"EXIT": true,
|
|
"EXPLAIN": true,
|
|
"FALSE": true,
|
|
"FETCH": true,
|
|
"FLOAT": true,
|
|
"FLOAT4": true,
|
|
"FLOAT8": true,
|
|
"FOR": true,
|
|
"FORCE": true,
|
|
"FOREIGN": true,
|
|
"FROM": true,
|
|
"FULLTEXT": true,
|
|
"GOTO": true,
|
|
"GRANT": true,
|
|
"GROUP": true,
|
|
"HAVING": true,
|
|
"HIGH_PRIORITY": true,
|
|
"HOUR_MICROSECOND": true,
|
|
"HOUR_MINUTE": true,
|
|
"HOUR_SECOND": true,
|
|
"IF": true,
|
|
"IGNORE": true,
|
|
"IN": true, "INDEX": true,
|
|
"INFILE": true, "INNER": true, "INOUT": true,
|
|
"INSENSITIVE": true, "INSERT": true, "INT": true,
|
|
"INT1": true, "INT2": true, "INT3": true,
|
|
"INT4": true, "INT8": true, "INTEGER": true,
|
|
"INTERVAL": true, "INTO": true, "IS": true,
|
|
"ITERATE": true, "JOIN": true, "KEY": true,
|
|
"KEYS": true, "KILL": true, "LABEL": true,
|
|
"LEADING": true, "LEAVE": true, "LEFT": true,
|
|
"LIKE": true, "LIMIT": true, "LINEAR": true,
|
|
"LINES": true, "LOAD": true, "LOCALTIME": true,
|
|
"LOCALTIMESTAMP": true, "LOCK": true, "LONG": true,
|
|
"LONGBLOB": true, "LONGTEXT": true, "LOOP": true,
|
|
"LOW_PRIORITY": true, "MATCH": true, "MEDIUMBLOB": true,
|
|
"MEDIUMINT": true, "MEDIUMTEXT": true, "MIDDLEINT": true,
|
|
"MINUTE_MICROSECOND": true, "MINUTE_SECOND": true, "MOD": true,
|
|
"MODIFIES": true, "NATURAL": true, "NOT": true,
|
|
"NO_WRITE_TO_BINLOG": true, "NULL": true, "NUMERIC": true,
|
|
"ON OPTIMIZE": true, "OPTION": true,
|
|
"OPTIONALLY": true, "OR": true, "ORDER": true,
|
|
"OUT": true, "OUTER": true, "OUTFILE": true,
|
|
"PRECISION": true, "PRIMARY": true, "PROCEDURE": true,
|
|
"PURGE": true, "RAID0": true, "RANGE": true,
|
|
"READ": true, "READS": true, "REAL": true,
|
|
"REFERENCES": true, "REGEXP": true, "RELEASE": true,
|
|
"RENAME": true, "REPEAT": true, "REPLACE": true,
|
|
"REQUIRE": true, "RESTRICT": true, "RETURN": true,
|
|
"REVOKE": true, "RIGHT": true, "RLIKE": true,
|
|
"SCHEMA": true, "SCHEMAS": true, "SECOND_MICROSECOND": true,
|
|
"SELECT": true, "SENSITIVE": true, "SEPARATOR": true,
|
|
"SET": true, "SHOW": true, "SMALLINT": true,
|
|
"SPATIAL": true, "SPECIFIC": true, "SQL": true,
|
|
"SQLEXCEPTION": true, "SQLSTATE": true, "SQLWARNING": true,
|
|
"SQL_BIG_RESULT": true, "SQL_CALC_FOUND_ROWS": true, "SQL_SMALL_RESULT": true,
|
|
"SSL": true, "STARTING": true, "STRAIGHT_JOIN": true,
|
|
"TABLE": true, "TERMINATED": true, "THEN": true,
|
|
"TINYBLOB": true, "TINYINT": true, "TINYTEXT": true,
|
|
"TO": true, "TRAILING": true, "TRIGGER": true,
|
|
"TRUE": true, "UNDO": true, "UNION": true,
|
|
"UNIQUE": true, "UNLOCK": true, "UNSIGNED": true,
|
|
"UPDATE": true, "USAGE": true, "USE": true,
|
|
"USING": true, "UTC_DATE": true, "UTC_TIME": true,
|
|
"UTC_TIMESTAMP": true, "VALUES": true, "VARBINARY": true,
|
|
"VARCHAR": true,
|
|
"VARCHARACTER": true,
|
|
"VARYING": true,
|
|
"WHEN": true,
|
|
"WHERE": true,
|
|
"WHILE": true,
|
|
"WITH": true,
|
|
"WRITE": true,
|
|
"X509": true,
|
|
"XOR": true,
|
|
"YEAR_MONTH": true,
|
|
"ZEROFILL": true,
|
|
}
|
|
)
|
|
|
|
type mysql struct {
|
|
core.Base
|
|
net string
|
|
addr string
|
|
params map[string]string
|
|
loc *time.Location
|
|
timeout time.Duration
|
|
tls *tls.Config
|
|
allowAllFiles bool
|
|
allowOldPasswords bool
|
|
clientFoundRows bool
|
|
}
|
|
|
|
func (db *mysql) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
|
|
return db.Base.Init(d, db, uri, drivername, dataSourceName)
|
|
}
|
|
|
|
func (db *mysql) SqlType(c *core.Column) string {
|
|
var res string
|
|
switch t := c.SQLType.Name; t {
|
|
case core.Bool:
|
|
res = core.TinyInt
|
|
c.Length = 1
|
|
case core.Serial:
|
|
c.IsAutoIncrement = true
|
|
c.IsPrimaryKey = true
|
|
c.Nullable = false
|
|
res = core.Int
|
|
case core.BigSerial:
|
|
c.IsAutoIncrement = true
|
|
c.IsPrimaryKey = true
|
|
c.Nullable = false
|
|
res = core.BigInt
|
|
case core.Bytea:
|
|
res = core.Blob
|
|
case core.TimeStampz:
|
|
res = core.Char
|
|
c.Length = 64
|
|
case core.Enum: //mysql enum
|
|
res = core.Enum
|
|
res += "("
|
|
opts := ""
|
|
for v := range c.EnumOptions {
|
|
opts += fmt.Sprintf(",'%v'", v)
|
|
}
|
|
res += strings.TrimLeft(opts, ",")
|
|
res += ")"
|
|
case core.Set: //mysql set
|
|
res = core.Set
|
|
res += "("
|
|
opts := ""
|
|
for v := range c.SetOptions {
|
|
opts += fmt.Sprintf(",'%v'", v)
|
|
}
|
|
res += strings.TrimLeft(opts, ",")
|
|
res += ")"
|
|
case core.NVarchar:
|
|
res = core.Varchar
|
|
case core.Uuid:
|
|
res = core.Varchar
|
|
c.Length = 40
|
|
case core.Json:
|
|
res = core.Text
|
|
default:
|
|
res = t
|
|
}
|
|
|
|
hasLen1 := (c.Length > 0)
|
|
hasLen2 := (c.Length2 > 0)
|
|
|
|
if res == core.BigInt && !hasLen1 && !hasLen2 {
|
|
c.Length = 20
|
|
hasLen1 = true
|
|
}
|
|
|
|
if hasLen2 {
|
|
res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
|
|
} else if hasLen1 {
|
|
res += "(" + strconv.Itoa(c.Length) + ")"
|
|
}
|
|
return res
|
|
}
|
|
|
|
func (db *mysql) SupportInsertMany() bool {
|
|
return true
|
|
}
|
|
|
|
func (db *mysql) IsReserved(name string) bool {
|
|
_, ok := mysqlReservedWords[name]
|
|
return ok
|
|
}
|
|
|
|
func (db *mysql) Quote(name string) string {
|
|
return "`" + name + "`"
|
|
}
|
|
|
|
func (db *mysql) QuoteStr() string {
|
|
return "`"
|
|
}
|
|
|
|
func (db *mysql) SupportEngine() bool {
|
|
return true
|
|
}
|
|
|
|
func (db *mysql) AutoIncrStr() string {
|
|
return "AUTO_INCREMENT"
|
|
}
|
|
|
|
func (db *mysql) SupportCharset() bool {
|
|
return true
|
|
}
|
|
|
|
func (db *mysql) IndexOnTable() bool {
|
|
return true
|
|
}
|
|
|
|
func (db *mysql) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
|
|
args := []interface{}{db.DbName, tableName, idxName}
|
|
sql := "SELECT `INDEX_NAME` FROM `INFORMATION_SCHEMA`.`STATISTICS`"
|
|
sql += " WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `INDEX_NAME`=?"
|
|
return sql, args
|
|
}
|
|
|
|
/*func (db *mysql) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
|
|
args := []interface{}{db.DbName, tableName, colName}
|
|
sql := "SELECT `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `COLUMN_NAME` = ?"
|
|
return sql, args
|
|
}*/
|
|
|
|
func (db *mysql) TableCheckSql(tableName string) (string, []interface{}) {
|
|
args := []interface{}{db.DbName, tableName}
|
|
sql := "SELECT `TABLE_NAME` from `INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=? and `TABLE_NAME`=?"
|
|
return sql, args
|
|
}
|
|
|
|
func (db *mysql) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
|
|
args := []interface{}{db.DbName, tableName}
|
|
s := "SELECT `COLUMN_NAME`, `IS_NULLABLE`, `COLUMN_DEFAULT`, `COLUMN_TYPE`," +
|
|
" `COLUMN_KEY`, `EXTRA` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
|
|
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 columnName, isNullable, colType, colKey, extra string
|
|
var colDefault *string
|
|
err = rows.Scan(&columnName, &isNullable, &colDefault, &colType, &colKey, &extra)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
col.Name = strings.Trim(columnName, "` ")
|
|
if "YES" == isNullable {
|
|
col.Nullable = true
|
|
}
|
|
|
|
if colDefault != nil {
|
|
col.Default = *colDefault
|
|
if col.Default == "" {
|
|
col.DefaultIsEmpty = true
|
|
}
|
|
}
|
|
|
|
cts := strings.Split(colType, "(")
|
|
colName := cts[0]
|
|
colType = strings.ToUpper(colName)
|
|
var len1, len2 int
|
|
if len(cts) == 2 {
|
|
idx := strings.Index(cts[1], ")")
|
|
if colType == core.Enum && cts[1][0] == '\'' { //enum
|
|
options := strings.Split(cts[1][0:idx], ",")
|
|
col.EnumOptions = make(map[string]int)
|
|
for k, v := range options {
|
|
v = strings.TrimSpace(v)
|
|
v = strings.Trim(v, "'")
|
|
col.EnumOptions[v] = k
|
|
}
|
|
} else if colType == core.Set && cts[1][0] == '\'' {
|
|
options := strings.Split(cts[1][0:idx], ",")
|
|
col.SetOptions = make(map[string]int)
|
|
for k, v := range options {
|
|
v = strings.TrimSpace(v)
|
|
v = strings.Trim(v, "'")
|
|
col.SetOptions[v] = k
|
|
}
|
|
} else {
|
|
lens := strings.Split(cts[1][0:idx], ",")
|
|
len1, err = strconv.Atoi(strings.TrimSpace(lens[0]))
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
if len(lens) == 2 {
|
|
len2, err = strconv.Atoi(lens[1])
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if colType == "FLOAT UNSIGNED" {
|
|
colType = "FLOAT"
|
|
}
|
|
col.Length = len1
|
|
col.Length2 = len2
|
|
if _, ok := core.SqlTypes[colType]; ok {
|
|
col.SQLType = core.SQLType{Name: colType, DefaultLength: len1, DefaultLength2: len2}
|
|
} else {
|
|
return nil, nil, fmt.Errorf("Unknown colType %v", colType)
|
|
}
|
|
|
|
if colKey == "PRI" {
|
|
col.IsPrimaryKey = true
|
|
}
|
|
if colKey == "UNI" {
|
|
//col.is
|
|
}
|
|
|
|
if extra == "auto_increment" {
|
|
col.IsAutoIncrement = true
|
|
}
|
|
|
|
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 *mysql) GetTables() ([]*core.Table, error) {
|
|
args := []interface{}{db.DbName}
|
|
s := "SELECT `TABLE_NAME`, `ENGINE`, `TABLE_ROWS`, `AUTO_INCREMENT` from " +
|
|
"`INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=? AND (`ENGINE`='MyISAM' OR `ENGINE` = 'InnoDB' OR `ENGINE` = 'TokuDB')"
|
|
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, engine, tableRows string
|
|
var autoIncr *string
|
|
err = rows.Scan(&name, &engine, &tableRows, &autoIncr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
table.Name = name
|
|
table.StoreEngine = engine
|
|
tables = append(tables, table)
|
|
}
|
|
return tables, nil
|
|
}
|
|
|
|
func (db *mysql) GetIndexes(tableName string) (map[string]*core.Index, error) {
|
|
args := []interface{}{db.DbName, tableName}
|
|
s := "SELECT `INDEX_NAME`, `NON_UNIQUE`, `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
|
|
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, colName, nonUnique string
|
|
err = rows.Scan(&indexName, &nonUnique, &colName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if indexName == "PRIMARY" {
|
|
continue
|
|
}
|
|
|
|
if "YES" == nonUnique || nonUnique == "1" {
|
|
indexType = core.IndexType
|
|
} else {
|
|
indexType = core.UniqueType
|
|
}
|
|
|
|
colName = strings.Trim(colName, "` ")
|
|
var isRegular bool
|
|
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
|
|
indexName = indexName[5+len(tableName) : len(indexName)]
|
|
isRegular = true
|
|
}
|
|
|
|
var index *core.Index
|
|
var ok bool
|
|
if index, ok = indexes[indexName]; !ok {
|
|
index = new(core.Index)
|
|
index.IsRegular = isRegular
|
|
index.Type = indexType
|
|
index.Name = indexName
|
|
indexes[indexName] = index
|
|
}
|
|
index.AddColumn(colName)
|
|
}
|
|
return indexes, nil
|
|
}
|
|
|
|
func (db *mysql) Filters() []core.Filter {
|
|
return []core.Filter{&core.IdFilter{}}
|
|
}
|