Files
db/dialect/mysql/mysql.go
T
2025-03-22 23:02:05 +08:00

88 lines
2.7 KiB
Go

package mysql
import (
"git.fsdpf.net/go/db/v2"
"git.fsdpf.net/go/db/v2/exp"
)
func DialectOptions() *db.SQLDialectOptions {
opts := db.DefaultDialectOptions()
opts.SupportsReturn = false
opts.SupportsOrderByOnUpdate = true
opts.SupportsLimitOnUpdate = true
opts.SupportsLimitOnDelete = true
opts.SupportsOrderByOnDelete = true
opts.SupportsConflictUpdateWhere = false
opts.SupportsInsertIgnoreSyntax = true
opts.SupportsConflictTarget = false
opts.SupportsWithCTE = false
opts.SupportsWithCTERecursive = false
opts.SupportsDistinctOn = false
opts.SupportsWindowFunction = false
opts.SupportsDeleteTableHint = true
opts.UseFromClauseForMultipleUpdateTables = false
opts.PlaceHolderFragment = []byte("?")
opts.IncludePlaceholderNum = false
opts.QuoteRune = '`'
opts.DefaultValuesFragment = []byte("")
opts.True = []byte("1")
opts.False = []byte("0")
opts.TimeFormat = "2006-01-02 15:04:05"
opts.BooleanOperatorLookup = map[exp.BooleanOperation][]byte{
exp.EqOp: []byte("="),
exp.NeqOp: []byte("!="),
exp.GtOp: []byte(">"),
exp.GteOp: []byte(">="),
exp.LtOp: []byte("<"),
exp.LteOp: []byte("<="),
exp.InOp: []byte("IN"),
exp.NotInOp: []byte("NOT IN"),
exp.IsOp: []byte("IS"),
exp.IsNotOp: []byte("IS NOT"),
exp.LikeOp: []byte("LIKE BINARY"),
exp.NotLikeOp: []byte("NOT LIKE BINARY"),
exp.ILikeOp: []byte("LIKE"),
exp.NotILikeOp: []byte("NOT LIKE"),
exp.RegexpLikeOp: []byte("REGEXP BINARY"),
exp.RegexpNotLikeOp: []byte("NOT REGEXP BINARY"),
exp.RegexpILikeOp: []byte("REGEXP"),
exp.RegexpNotILikeOp: []byte("NOT REGEXP"),
}
opts.BitwiseOperatorLookup = map[exp.BitwiseOperation][]byte{
exp.BitwiseInversionOp: []byte("~"),
exp.BitwiseOrOp: []byte("|"),
exp.BitwiseAndOp: []byte("&"),
exp.BitwiseXorOp: []byte("^"),
exp.BitwiseLeftShiftOp: []byte("<<"),
exp.BitwiseRightShiftOp: []byte(">>"),
}
opts.EscapedRunes = map[rune][]byte{
'\'': []byte("\\'"),
'"': []byte("\\\""),
'\\': []byte("\\\\"),
'\n': []byte("\\n"),
'\r': []byte("\\r"),
0: []byte("\\x00"),
0x1a: []byte("\\x1a"),
}
opts.InsertIgnoreClause = []byte("INSERT IGNORE INTO")
opts.ConflictFragment = []byte("")
opts.ConflictDoUpdateFragment = []byte(" ON DUPLICATE KEY UPDATE ")
opts.ConflictDoNothingFragment = []byte("")
return opts
}
func DialectOptionsV8() *db.SQLDialectOptions {
opts := DialectOptions()
opts.SupportsWindowFunction = true
return opts
}
func init() {
db.RegisterDialect("mysql", DialectOptions())
db.RegisterDialect("mysql8", DialectOptionsV8())
}