db_sqlite.go
1.72 KB
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package orm
import (
"fmt"
)
var sqliteOperators = map[string]string{
"exact": "= ?",
"iexact": "LIKE ? ESCAPE '\\'",
"contains": "LIKE ? ESCAPE '\\'",
"icontains": "LIKE ? ESCAPE '\\'",
"gt": "> ?",
"gte": ">= ?",
"lt": "< ?",
"lte": "<= ?",
"startswith": "LIKE ? ESCAPE '\\'",
"endswith": "LIKE ? ESCAPE '\\'",
"istartswith": "LIKE ? ESCAPE '\\'",
"iendswith": "LIKE ? ESCAPE '\\'",
}
var sqliteTypes = map[string]string{
"auto": "integer NOT NULL PRIMARY KEY AUTOINCREMENT",
"pk": "NOT NULL PRIMARY KEY",
"bool": "bool",
"string": "varchar(%d)",
"string-text": "text",
"time.Time-date": "date",
"time.Time": "datetime",
"int8": "tinyint",
"int16": "smallint",
"int32": "integer",
"int64": "bigint",
"uint8": "tinyint unsigned",
"uint16": "smallint unsigned",
"uint32": "integer unsigned",
"uint64": "bigint unsigned",
"float64": "real",
"float64-decimal": "decimal",
}
type dbBaseSqlite struct {
dbBase
}
var _ dbBaser = new(dbBaseSqlite)
func (d *dbBaseSqlite) OperatorSql(operator string) string {
return sqliteOperators[operator]
}
func (d *dbBaseSqlite) GenerateOperatorLeftCol(fi *fieldInfo, operator string, leftCol *string) {
if fi.fieldType == TypeDateField {
*leftCol = fmt.Sprintf("DATE(%s)", *leftCol)
}
}
func (d *dbBaseSqlite) SupportUpdateJoin() bool {
return false
}
func (d *dbBaseSqlite) MaxLimit() uint64 {
return 9223372036854775807
}
func (d *dbBaseSqlite) DbTypes() map[string]string {
return sqliteTypes
}
func newdbBaseSqlite() dbBaser {
b := new(dbBaseSqlite)
b.ins = b
return b
}