40 lines
833 B
Go
40 lines
833 B
Go
package sqltemplate
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import (
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"strings"
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)
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// MySQL is the default implementation of Dialect for the MySQL DMBS,
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// currently supporting MySQL-8.x.
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var MySQL = mysql{
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rowLockingClauseMap: rowLockingClauseAll,
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argPlaceholderFunc: argFmtSQL92,
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name: "mysql",
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}
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var _ Dialect = MySQL
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type mysql struct {
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backtickIdent
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rowLockingClauseMap
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argPlaceholderFunc
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name
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}
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// MySQL always supports backticks for identifiers
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// https://dev.mysql.com/doc/refman/8.4/en/identifiers.html
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type backtickIdent struct{}
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func (backtickIdent) Ident(s string) (string, error) {
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if strings.ContainsRune(s, '`') {
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return "", ErrInvalidIdentInput
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}
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return escapeIdentity(s, '`', func(s string) string {
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return s
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})
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}
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func (mysql) CurrentEpoch() string {
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return "CAST(FLOOR(UNIX_TIMESTAMP(NOW(6)) * 1000000) AS SIGNED)"
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}
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