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primary_key.go
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package spoon
import (
"fmt"
"strings"
)
// PrimaryKey XXX
type PrimaryKey struct {
keyParts []KeyPart
interleavedTableName string
}
/*// Columns XXX
func (pk *PrimaryKey) Columns() []string {
cols := make([]string, 0, len(pk.keyParts))
for _, kp := range pk.keyParts {
cols = append(cols, kp.ColumnName)
}
return cols
}
*/
// ToSQL return primary key sql string
func (pk *PrimaryKey) ToSQL() string {
var keyPartsStr []string
for _, kp := range pk.keyParts {
kps := Quote(kp.ColumnName)
if kp.IsOrderDesc {
kps += " DESC"
}
keyPartsStr = append(keyPartsStr, kps)
}
if pk.interleavedTableName != "" {
return fmt.Sprintf(`PRIMARY KEY (%s), INTERLEAVE IN PARENT %s`, strings.Join(keyPartsStr, ", "), Quote(pk.interleavedTableName))
}
return fmt.Sprintf("PRIMARY KEY (%s)", strings.Join(keyPartsStr, ", "))
}
// AddPrimaryKey XXX
func AddPrimaryKey(keyParts ...KeyPart) *PrimaryKey {
return &PrimaryKey{
keyParts: keyParts,
interleavedTableName: "",
}
}
// AddPrimaryKey XXX
func AddPrimaryKeyWithInterleave(interleaveTableName string, keyParts ...KeyPart) *PrimaryKey {
return &PrimaryKey{
keyParts: keyParts,
interleavedTableName: interleaveTableName,
}
}