fork github.com/doug-martin

2025-03-22 23:02:05 +08:00
commit f14642a736
131 changed files with 34555 additions and 0 deletions
@@ -0,0 +1,87 @@
+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())
+}