package adapter import ( "strconv" "strings" "github.com/nesterow/dal/pkg/utils" ) /* CommonDialect is a simple implementation of the Dialect interface. Should be usable for most SQL databases. */ type CommonDialect struct { TableName string TableAlias string FieldName string } func (c CommonDialect) New(opts DialectOpts) Dialect { tn, ok := opts["TableName"] if !ok { tn = c.TableName } ta, ok := opts["TableAlias"] if !ok { ta = c.TableAlias } fn, ok := opts["FieldName"] if !ok { fn = c.FieldName } return CommonDialect{ TableName: tn, TableAlias: ta, FieldName: fn, } } func (c CommonDialect) GetTableName() string { return c.TableName } func (c CommonDialect) GetTableAlias() string { return c.TableAlias } func (c CommonDialect) GetFieldName() string { if strings.Contains(c.FieldName, ".") { return c.FieldName } if c.TableAlias != "" { return c.TableAlias + "." + c.FieldName } return c.FieldName } func (c CommonDialect) GetColumnName(key string) string { if strings.Contains(key, ".") { return key } if c.TableAlias != "" { return c.TableAlias + "." + key } return key } func (c CommonDialect) NormalizeValue(value interface{}) interface{} { str, isStr := value.(string) if !isStr { return value } if str == "?" { return str } if utils.IsSQLFunction(str) { return str } if strings.Contains(str, ".") { _, err := strconv.ParseFloat(str, 64) if err != nil { return value } } val, err := utils.EscapeSQL(str) if err != nil { return str } return string(val) }