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Restore compatibility with SQLServer 2008 R2 in migrations (#16627) #16638

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Merged
merged 2 commits into from
Aug 8, 2021
Merged

Restore compatibility with SQLServer 2008 R2 in migrations (#16627) #16638

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00e2884
Restore compatibility with SQLServer 2008 R2 in migrations
zeripath Aug 5, 2021
616b2de
Merge branch 'release/v1.15' into backport-16627-v1.15
lunny Aug 8, 2021
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9 changes: 3 additions & 6 deletions models/migrations/migrations.go
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Original file line number Diff line number Diff line change
Expand Up @@ -836,7 +836,7 @@ func dropTableColumns(sess *xorm.Session, tableName string, columnNames ...strin
}
cols += "`" + strings.ToLower(col) + "`"
}
sql := fmt.Sprintf("SELECT Name FROM SYS.DEFAULT_CONSTRAINTS WHERE PARENT_OBJECT_ID = OBJECT_ID('%[1]s') AND PARENT_COLUMN_ID IN (SELECT column_id FROM sys.columns WHERE lower(NAME) IN (%[2]s) AND object_id = OBJECT_ID('%[1]s'))",
sql := fmt.Sprintf("SELECT Name FROM sys.default_constraints WHERE parent_object_id = OBJECT_ID('%[1]s') AND parent_column_id IN (SELECT column_id FROM sys.columns WHERE LOWER(name) IN (%[2]s) AND object_id = OBJECT_ID('%[1]s'))",
tableName, strings.ReplaceAll(cols, "`", "'"))
constraints := make([]string, 0)
if err := sess.SQL(sql).Find(&constraints); err != nil {
Expand All @@ -847,17 +847,14 @@ func dropTableColumns(sess *xorm.Session, tableName string, columnNames ...strin
return fmt.Errorf("Drop table `%s` default constraint `%s`: %v", tableName, constraint, err)
}
}
sql = fmt.Sprintf("SELECT DISTINCT Name FROM SYS.INDEXES INNER JOIN SYS.INDEX_COLUMNS ON INDEXES.INDEX_ID = INDEX_COLUMNS.INDEX_ID AND INDEXES.OBJECT_ID = INDEX_COLUMNS.OBJECT_ID WHERE INDEXES.OBJECT_ID = OBJECT_ID('%[1]s') AND INDEX_COLUMNS.COLUMN_ID IN (SELECT column_id FROM sys.columns WHERE lower(NAME) IN (%[2]s) AND object_id = OBJECT_ID('%[1]s'))",
sql = fmt.Sprintf("SELECT DISTINCT Name FROM sys.indexes INNER JOIN sys.index_columns ON indexes.index_id = index_columns.index_id AND indexes.object_id = index_columns.object_id WHERE indexes.object_id = OBJECT_ID('%[1]s') AND index_columns.column_id IN (SELECT column_id FROM sys.columns WHERE LOWER(name) IN (%[2]s) AND object_id = OBJECT_ID('%[1]s'))",
tableName, strings.ReplaceAll(cols, "`", "'"))
constraints = make([]string, 0)
if err := sess.SQL(sql).Find(&constraints); err != nil {
return fmt.Errorf("Find constraints: %v", err)
}
for _, constraint := range constraints {
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP CONSTRAINT IF EXISTS `%s`", tableName, constraint)); err != nil {
return fmt.Errorf("Drop table `%s` index constraint `%s`: %v", tableName, constraint, err)
}
if _, err := sess.Exec(fmt.Sprintf("DROP INDEX IF EXISTS `%[2]s` ON `%[1]s`", tableName, constraint)); err != nil {
if _, err := sess.Exec(fmt.Sprintf("DROP INDEX `%[2]s` ON `%[1]s`", tableName, constraint)); err != nil {
return fmt.Errorf("Drop index `%[2]s` on `%[1]s`: %v", tableName, constraint, err)
}
}
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