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sqlingo
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handle MySQL zero date

This commit is contained in:
Qishuai Liu 2024-09-06 17:23:12 +09:00
parent 65c4cf7d2d
commit 2a5c602f5e
No known key found for this signature in database
3 changed files with 13 additions and 3 deletions
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4
cursor.go
View File

@ -53,6 +53,10 @@ func guessTimeLayout(s string) string {
} }
func parseTime(s string) (time.Time, error) { func parseTime(s string) (time.Time, error) {
if strings.HasPrefix(s, "0000-00-00") {
// MySQL zero date
return time.Time{}, nil
}
layout := guessTimeLayout(s) layout := guessTimeLayout(s)
t, err := time.Parse(layout, s) t, err := time.Parse(layout, s)
if err != nil { if err != nil {

1
cursor_test.go
View File

@ -219,6 +219,7 @@ func TestParseTime(t *testing.T) {
{"2024-09-06 11:22:33.444", time.Date(2024, 9, 6, 11, 22, 33, 444000000, time.UTC)}, {"2024-09-06 11:22:33.444", time.Date(2024, 9, 6, 11, 22, 33, 444000000, time.UTC)},
{"2024-09-06 11:22:33.444555666", time.Date(2024, 9, 6, 11, 22, 33, 444555666, time.UTC)}, {"2024-09-06 11:22:33.444555666", time.Date(2024, 9, 6, 11, 22, 33, 444555666, time.UTC)},
{"2024-09-06T11:22:33.444555666Z", time.Date(2024, 9, 6, 11, 22, 33, 444555666, time.UTC)}, {"2024-09-06T11:22:33.444555666Z", time.Date(2024, 9, 6, 11, 22, 33, 444555666, time.UTC)},
{"0000-00-00 00:00:00", time.Time{}},
} }
for _, test := range tests { for _, test := range tests {
tm, err := parseTime(test.input) tm, err := parseTime(test.input)

11
expression.go
View File

@ -356,11 +356,16 @@ func getSQL(scope scope, value interface{}) (sql string, priority priority, err
case CaseExpression: case CaseExpression:
sql, err = value.(CaseExpression).End().GetSQL(scope) sql, err = value.(CaseExpression).End().GetSQL(scope)
case time.Time: case time.Time:
tmStr := value.(time.Time).Format(mysqlTimeFormat) tm := value.(time.Time)
sql = quoteString(tmStr) if tm.IsZero() {
sql = "NULL"
} else {
tmStr := tm.Format(mysqlTimeFormat)
sql = quoteString(tmStr)
}
case *time.Time: case *time.Time:
tm := value.(*time.Time) tm := value.(*time.Time)
if tm == nil { if tm == nil || tm.IsZero() {
sql = "NULL" sql = "NULL"
} else { } else {
tmStr := tm.Format(mysqlTimeFormat) tmStr := tm.Format(mysqlTimeFormat)