mirror of https://github.com/go-gorm/gorm.git
mysql only accept offset with limit together
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parent
eae7f6be60
commit
d395b35025
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@ -5,6 +5,7 @@ import (
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"fmt"
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"reflect"
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"regexp"
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"strconv"
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"strings"
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"time"
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"unicode/utf8"
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@ -126,6 +127,21 @@ func (s mysql) RemoveIndex(tableName string, indexName string) error {
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return err
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}
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func (s mysql) LimitAndOffsetSQL(limit, offset interface{}) (sql string) {
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if limit != nil {
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if parsedLimit, err := strconv.ParseInt(fmt.Sprint(limit), 0, 0); err == nil && parsedLimit >= 0 {
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sql += fmt.Sprintf(" LIMIT %d", parsedLimit)
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}
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if offset != nil {
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if parsedOffset, err := strconv.ParseInt(fmt.Sprint(offset), 0, 0); err == nil && parsedOffset >= 0 {
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sql += fmt.Sprintf(" OFFSET %d", parsedOffset)
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}
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}
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}
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return
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}
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func (s mysql) HasForeignKey(tableName string, foreignKeyName string) bool {
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var count int
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s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE CONSTRAINT_SCHEMA=? AND TABLE_NAME=? AND CONSTRAINT_NAME=? AND CONSTRAINT_TYPE='FOREIGN KEY'", s.CurrentDatabase(), tableName, foreignKeyName).Scan(&count)
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@ -106,7 +106,7 @@ func TestEmbeddedMany2ManyRelationship(t *testing.T) {
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t.Errorf("no error should return when delete embedded many2many relationship, but got %v", err)
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}
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association := DB.Model(person).Debug().Association("Addresses")
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association := DB.Model(person).Association("Addresses")
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if count := association.Count(); count != 1 || association.Error != nil {
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t.Errorf("Should found one address, but got %v, error is %v", count, association.Error)
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}
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