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Restore compatibility with SQLServer 2008 R2 in migrations #16627

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merged 6 commits into from
Aug 8, 2021
Merged

Restore compatibility with SQLServer 2008 R2 in migrations #16627

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a6730ab
Restore compatibility with SQLServer 2008 R2 in migrations
zeripath Aug 5, 2021
86bdaed
try just dropping the index only
zeripath Aug 5, 2021
faf0b21
use lowercase for system tables
zeripath Aug 5, 2021
765d56d
Merge branch 'main' into fix-16625-drop-if-exists
lafriks Aug 5, 2021
8e3f084
Merge branch 'main' into fix-16625-drop-if-exists
zeripath Aug 6, 2021
a0a5cd5
Merge branch 'main' into fix-16625-drop-if-exists
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 @@ -840,7 +840,7 @@ 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 @@ -851,17 +851,14 @@ 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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