75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
class AbstractDialect {}
|
||
|
|
|
||
|
|
AbstractDialect.prototype.supports = {
|
||
|
|
'DEFAULT': true,
|
||
|
|
'DEFAULT VALUES': false,
|
||
|
|
'VALUES ()': false,
|
||
|
|
'LIMIT ON UPDATE': false,
|
||
|
|
'ON DUPLICATE KEY': true,
|
||
|
|
'ORDER NULLS': false,
|
||
|
|
'UNION': true,
|
||
|
|
'UNION ALL': true,
|
||
|
|
'RIGHT JOIN': true,
|
||
|
|
|
||
|
|
/* does the dialect support returning values for inserted/updated fields */
|
||
|
|
returnValues: false,
|
||
|
|
|
||
|
|
/* features specific to autoIncrement values */
|
||
|
|
autoIncrement: {
|
||
|
|
/* does the dialect require modification of insert queries when inserting auto increment fields */
|
||
|
|
identityInsert: false,
|
||
|
|
|
||
|
|
/* does the dialect support inserting default/null values for autoincrement fields */
|
||
|
|
defaultValue: true,
|
||
|
|
|
||
|
|
/* does the dialect support updating autoincrement fields */
|
||
|
|
update: true
|
||
|
|
},
|
||
|
|
/* Do we need to say DEFAULT for bulk insert */
|
||
|
|
bulkDefault: false,
|
||
|
|
schemas: false,
|
||
|
|
transactions: true,
|
||
|
|
settingIsolationLevelDuringTransaction: true,
|
||
|
|
transactionOptions: {
|
||
|
|
type: false
|
||
|
|
},
|
||
|
|
migrations: true,
|
||
|
|
upserts: true,
|
||
|
|
inserts: {
|
||
|
|
ignoreDuplicates: '', /* dialect specific words for INSERT IGNORE or DO NOTHING */
|
||
|
|
updateOnDuplicate: false, /* whether dialect supports ON DUPLICATE KEY UPDATE */
|
||
|
|
onConflictDoNothing: '', /* dialect specific words for ON CONFLICT DO NOTHING */
|
||
|
|
conflictFields: false /* whether the dialect supports specifying conflict fields or not */
|
||
|
|
},
|
||
|
|
constraints: {
|
||
|
|
restrict: true,
|
||
|
|
addConstraint: true,
|
||
|
|
dropConstraint: true,
|
||
|
|
unique: true,
|
||
|
|
default: false,
|
||
|
|
check: true,
|
||
|
|
foreignKey: true,
|
||
|
|
primaryKey: true
|
||
|
|
},
|
||
|
|
index: {
|
||
|
|
collate: true,
|
||
|
|
length: false,
|
||
|
|
parser: false,
|
||
|
|
concurrently: false,
|
||
|
|
type: false,
|
||
|
|
using: true,
|
||
|
|
functionBased: false,
|
||
|
|
operator: false
|
||
|
|
},
|
||
|
|
groupedLimit: true,
|
||
|
|
indexViaAlter: false,
|
||
|
|
JSON: false,
|
||
|
|
deferrableConstraints: false
|
||
|
|
};
|
||
|
|
|
||
|
|
module.exports = AbstractDialect;
|
||
|
|
module.exports.AbstractDialect = AbstractDialect;
|
||
|
|
module.exports.default = AbstractDialect;
|