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122 lines
2.2 KiB
Go
122 lines
2.2 KiB
Go
package bun
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import (
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"context"
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"database/sql"
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"github.com/uptrace/bun/internal"
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"github.com/uptrace/bun/schema"
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)
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type DropIndexQuery struct {
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baseQuery
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cascadeQuery
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concurrently bool
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ifExists bool
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index schema.QueryWithArgs
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}
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var _ Query = (*DropIndexQuery)(nil)
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func NewDropIndexQuery(db *DB) *DropIndexQuery {
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q := &DropIndexQuery{
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baseQuery: baseQuery{
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db: db,
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conn: db.DB,
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},
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}
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return q
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}
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func (q *DropIndexQuery) Conn(db IConn) *DropIndexQuery {
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q.setConn(db)
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return q
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}
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func (q *DropIndexQuery) Model(model interface{}) *DropIndexQuery {
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q.setModel(model)
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return q
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}
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func (q *DropIndexQuery) Err(err error) *DropIndexQuery {
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q.setErr(err)
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return q
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}
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//------------------------------------------------------------------------------
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func (q *DropIndexQuery) Concurrently() *DropIndexQuery {
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q.concurrently = true
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return q
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}
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func (q *DropIndexQuery) IfExists() *DropIndexQuery {
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q.ifExists = true
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return q
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}
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func (q *DropIndexQuery) Cascade() *DropIndexQuery {
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q.cascade = true
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return q
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}
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func (q *DropIndexQuery) Restrict() *DropIndexQuery {
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q.restrict = true
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return q
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}
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func (q *DropIndexQuery) Index(query string, args ...interface{}) *DropIndexQuery {
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q.index = schema.SafeQuery(query, args)
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return q
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}
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//------------------------------------------------------------------------------
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func (q *DropIndexQuery) Operation() string {
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return "DROP INDEX"
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}
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func (q *DropIndexQuery) AppendQuery(fmter schema.Formatter, b []byte) (_ []byte, err error) {
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if q.err != nil {
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return nil, q.err
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}
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b = append(b, "DROP INDEX "...)
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if q.concurrently {
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b = append(b, "CONCURRENTLY "...)
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}
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if q.ifExists {
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b = append(b, "IF EXISTS "...)
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}
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b, err = q.index.AppendQuery(fmter, b)
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if err != nil {
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return nil, err
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}
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b = q.appendCascade(fmter, b)
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return b, nil
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}
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//------------------------------------------------------------------------------
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func (q *DropIndexQuery) Exec(ctx context.Context, dest ...interface{}) (sql.Result, error) {
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queryBytes, err := q.AppendQuery(q.db.fmter, q.db.makeQueryBytes())
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if err != nil {
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return nil, err
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}
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query := internal.String(queryBytes)
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res, err := q.exec(ctx, q, query)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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