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changed package name and a bunch of defect fixes

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This commit is contained in:
Jim Lambert 2020-02-13 21:29:38 -05:00
parent 94020a2d29
commit 42cc290cbd
1 changed files with 49 additions and 34 deletions
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83
dialects/oci8/oci8.go
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@ -14,48 +14,48 @@ import (
const dialectName = "oci8" const dialectName = "oci8"
type oracle struct { type oci8 struct {
db gorm.SQLCommon db gorm.SQLCommon
gorm.DefaultForeignKeyNamer gorm.DefaultForeignKeyNamer
} }
func init() { func init() {
gorm.RegisterDialect(dialectName, &oracle{}) gorm.RegisterDialect(dialectName, &oci8{})
} }
func (s *oracle) fieldCanAutoIncrement(field *gorm.StructField) bool { func (s *oci8) fieldCanAutoIncrement(field *gorm.StructField) bool {
if value, ok := field.TagSettingsGet("AUTO_INCREMENT"); ok { if value, ok := field.TagSettingsGet("AUTO_INCREMENT"); ok {
return strings.ToLower(value) != "false" return strings.ToLower(value) != "false"
} }
return field.IsPrimaryKey return field.IsPrimaryKey
} }
func (oracle) GetName() string { func (oci8) GetName() string {
return dialectName return dialectName
} }
func (oracle) BindVar(i int) string { func (oci8) BindVar(i int) string {
return fmt.Sprintf(":%v", i) return fmt.Sprintf(":%v", i)
} }
func (oracle) Quote(key string) string { func (oci8) Quote(key string) string {
if isReserved(key) { if isReserved(key) {
return fmt.Sprintf(`"%s"`, key) return fmt.Sprintf(`"%s"`, key)
} }
return key return key
} }
func (s oracle) CurrentDatabase() string { func (s oci8) CurrentDatabase() string {
var name string var name string
s.db.QueryRow("SELECT ORA_DATABASE_NAME as \"Current Database\" FROM DUAL").Scan(&name) s.db.QueryRow("SELECT ORA_DATABASE_NAME as \"Current Database\" FROM DUAL").Scan(&name)
return name return name
} }
func (oracle) DefaultValueStr() string { func (oci8) DefaultValueStr() string {
return "DEFAULT VALUES" return "VALUES (DEFAULT)"
} }
func (s oracle) HasColumn(tableName string, columnName string) bool { func (s oci8) HasColumn(tableName string, columnName string) bool {
var count int var count int
_, tableName = currentDatabaseAndTable(&s, tableName) _, tableName = currentDatabaseAndTable(&s, tableName)
tableName = strings.ToUpper(tableName) tableName = strings.ToUpper(tableName)
@ -66,7 +66,7 @@ func (s oracle) HasColumn(tableName string, columnName string) bool {
return false return false
} }
func (s oracle) HasForeignKey(tableName string, foreignKeyName string) bool { func (s oci8) HasForeignKey(tableName string, foreignKeyName string) bool {
var count int var count int
tableName = strings.ToUpper(tableName) tableName = strings.ToUpper(tableName)
foreignKeyName = strings.ToUpper(foreignKeyName) foreignKeyName = strings.ToUpper(foreignKeyName)
@ -77,7 +77,7 @@ func (s oracle) HasForeignKey(tableName string, foreignKeyName string) bool {
return false return false
} }
func (s oracle) HasIndex(tableName string, indexName string) bool { func (s oci8) HasIndex(tableName string, indexName string) bool {
var count int var count int
tableName = strings.ToUpper(tableName) tableName = strings.ToUpper(tableName)
indexName = strings.ToUpper(indexName) indexName = strings.ToUpper(indexName)
@ -87,7 +87,7 @@ func (s oracle) HasIndex(tableName string, indexName string) bool {
return false return false
} }
func (s oracle) HasTable(tableName string) bool { func (s oci8) HasTable(tableName string) bool {
var count int var count int
_, tableName = currentDatabaseAndTable(&s, tableName) _, tableName = currentDatabaseAndTable(&s, tableName)
tableName = strings.ToUpper(tableName) tableName = strings.ToUpper(tableName)
@ -97,29 +97,29 @@ func (s oracle) HasTable(tableName string) bool {
return false return false
} }
func (oracle) LastInsertIDReturningSuffix(tableName, columnName string) string { func (oci8) LastInsertIDReturningSuffix(tableName, columnName string) string {
return "" return ""
} }
func (oracle) LastInsertIDOutputInterstitial(tableName, columnName string, columns []string) string { func (oci8) LastInsertIDOutputInterstitial(tableName, columnName string, columns []string) string {
return "" return ""
} }
func (s oracle) ModifyColumn(tableName string, columnName string, typ string) error { func (s oci8) ModifyColumn(tableName string, columnName string, typ string) error {
_, err := s.db.Exec(fmt.Sprintf("ALTER TABLE %v MODIFY %v %v", tableName, columnName, typ)) _, err := s.db.Exec(fmt.Sprintf("ALTER TABLE %v MODIFY %v %v", tableName, columnName, typ))
return err return err
} }
func (s oracle) RemoveIndex(tableName string, indexName string) error { func (s oci8) RemoveIndex(tableName string, indexName string) error {
_, err := s.db.Exec(fmt.Sprintf("DROP INDEX %v", indexName)) _, err := s.db.Exec(fmt.Sprintf("DROP INDEX %v", indexName))
return err return err
} }
func (oracle) SelectFromDummyTable() string { func (oci8) SelectFromDummyTable() string {
return "FROM DUAL" return "FROM DUAL"
} }
func (s *oracle) SetDB(db gorm.SQLCommon) { func (s *oci8) SetDB(db gorm.SQLCommon) {
s.db = db s.db = db
} }
@ -131,7 +131,7 @@ func currentDatabaseAndTable(dialect gorm.Dialect, tableName string) (string, st
return dialect.CurrentDatabase(), tableName return dialect.CurrentDatabase(), tableName
} }
func (s *oracle) DataTypeOf(field *gorm.StructField) string { func (s *oci8) DataTypeOf(field *gorm.StructField) string {
if _, found := field.TagSettingsGet("RESTRICT"); found { if _, found := field.TagSettingsGet("RESTRICT"); found {
field.TagSettingsDelete("RESTRICT") field.TagSettingsDelete("RESTRICT")
} }
@ -155,7 +155,7 @@ func (s *oracle) DataTypeOf(field *gorm.StructField) string {
case size > 0 && size < 4000: case size > 0 && size < 4000:
sqlType = fmt.Sprintf("VARCHAR2(%d)", size) sqlType = fmt.Sprintf("VARCHAR2(%d)", size)
case size == 0: case size == 0:
sqlType = "VARCHAR2 (4000)" // no size specified, so default to something that can be indexed sqlType = "VARCHAR2 (1000)" // no size specified, so default to something that can be indexed
default: default:
sqlType = "CLOB" sqlType = "CLOB"
} }
@ -170,14 +170,14 @@ func (s *oracle) DataTypeOf(field *gorm.StructField) string {
} }
default: default:
if gorm.IsByteArrayOrSlice(dataValue) { if gorm.IsByteArrayOrSlice(dataValue) {
switch { // switch {
case size > 0 && size < 4000: // case size > 0 && size < 4000:
sqlType = fmt.Sprintf("VARCHAR2(%d)", size) // sqlType = fmt.Sprintf("VARCHAR2(%d)", size)
case size == 0: // case size == 0:
sqlType = "VARCHAR2 (4000)" // no size specified, so default to something that can be indexed // sqlType = "VARCHAR2 (4000)" // no size specified, so default to something that can be indexed
default: // default:
sqlType = "BLOB" sqlType = "BLOB"
} // }
} }
} }
} }
@ -206,22 +206,37 @@ func (s *oracle) DataTypeOf(field *gorm.StructField) string {
} }
return fmt.Sprintf("%v %v", sqlType, additionalType) return fmt.Sprintf("%v %v", sqlType, additionalType)
} }
func (s oracle) LimitAndOffsetSQL(limit, offset interface{}) (sql string, err error) { func (s oci8) LimitAndOffsetSQL(limit, offset interface{}) (sql string, err error) {
if limit != nil { if limit != nil {
if parsedLimit, err := strconv.ParseInt(fmt.Sprint(limit), 0, 0); err == nil && parsedLimit >= 0 { if parsedLimit, err := strconv.ParseInt(fmt.Sprint(limit), 0, 0); err == nil && parsedLimit >= 0 {
sql += fmt.Sprintf(" FETCH NEXT %d ROWS ONLY", parsedLimit) // when only Limit() is called on a query, the offset is set to -1 for some reason
if offset != nil && offset != -1 {
if offset != nil {
if parsedOffset, err := strconv.ParseInt(fmt.Sprint(offset), 0, 0); err == nil && parsedOffset >= 0 { if parsedOffset, err := strconv.ParseInt(fmt.Sprint(offset), 0, 0); err == nil && parsedOffset >= 0 {
sql += fmt.Sprintf(" OFFSET %d ROWS ", parsedOffset) sql += fmt.Sprintf(" OFFSET %d ROWS ", parsedOffset)
} else {
return "", err
} }
} }
sql += fmt.Sprintf(" FETCH NEXT %d ROWS ONLY", parsedLimit)
} else {
return "", err
} }
} }
return return
} }
// NormalizeIndexAndColumn returns argument's index name and column name without doing anything // NormalizeIndexAndColumn returns argument's index name and column name without doing anything
func (oracle) NormalizeIndexAndColumn(indexName, columnName string) (string, string) { func (oci8) NormalizeIndexAndColumn(indexName, columnName string) (string, string) {
return indexName, columnName return indexName, columnName
} }
func SearchBlob(fieldName string) string {
// oracle requires some hoop jumping to search []byte stored as BLOB
const lobSearch = ` dbms_lob.instr (%s, -- the blob
utl_raw.cast_to_raw (?), -- the search string cast to raw
1, -- where to start. i.e. offset
1 -- Which occurrance i.e. 1=first
) > 0 `
return fmt.Sprintf(lobSearch, fieldName)
}