1
0
mirror of https://github.com/uptrace/go-clickhouse.git synced 2025-06-08 23:26:11 +02:00
go-clickhouse/ch/query_view_create.go

272 lines
6.0 KiB
Go
Raw Normal View History

2022-11-03 11:58:19 +02:00
package ch
import (
"context"
"database/sql"
"github.com/uptrace/go-clickhouse/ch/chschema"
"github.com/uptrace/go-clickhouse/ch/internal"
)
type CreateViewQuery struct {
whereBaseQuery
materialized bool
ifNotExists bool
view chschema.QueryWithArgs
cluster chschema.QueryWithArgs
to chschema.QueryWithArgs
group []chschema.QueryWithArgs
order chschema.QueryWithArgs
}
var _ Query = (*CreateViewQuery)(nil)
func NewCreateViewQuery(db *DB) *CreateViewQuery {
return &CreateViewQuery{
whereBaseQuery: whereBaseQuery{
baseQuery: baseQuery{
db: db,
},
},
}
}
func (q *CreateViewQuery) Model(model any) *CreateViewQuery {
q.setTableModel(model)
return q
}
func (q *CreateViewQuery) WithQuery(fn func(*CreateViewQuery) *CreateViewQuery) *CreateViewQuery {
return fn(q)
}
//------------------------------------------------------------------------------
func (q *CreateViewQuery) View(view string) *CreateViewQuery {
q.view = chschema.UnsafeIdent(view)
return q
}
func (q *CreateViewQuery) ViewExpr(query string, args ...any) *CreateViewQuery {
q.view = chschema.SafeQuery(query, args)
return q
}
func (q *CreateViewQuery) OnCluster(cluster string) *CreateViewQuery {
q.cluster = chschema.UnsafeIdent(cluster)
return q
}
func (q *CreateViewQuery) OnClusterExpr(query string, args ...any) *CreateViewQuery {
q.cluster = chschema.SafeQuery(query, args)
return q
}
func (q *CreateViewQuery) To(to string) *CreateViewQuery {
q.to = chschema.UnsafeIdent(to)
return q
}
func (q *CreateViewQuery) ToExpr(query string, args ...any) *CreateViewQuery {
q.to = chschema.SafeQuery(query, args)
return q
}
func (q *CreateViewQuery) Table(tables ...string) *CreateViewQuery {
for _, table := range tables {
q.addTable(chschema.UnsafeIdent(table))
}
return q
}
func (q *CreateViewQuery) TableExpr(query string, args ...any) *CreateViewQuery {
q.addTable(chschema.SafeQuery(query, args))
return q
}
func (q *CreateViewQuery) ModelTableExpr(query string, args ...any) *CreateViewQuery {
q.modelTableName = chschema.SafeQuery(query, args)
return q
}
//------------------------------------------------------------------------------
func (q *CreateViewQuery) Column(columns ...string) *CreateViewQuery {
for _, column := range columns {
q.addColumn(chschema.UnsafeIdent(column))
}
return q
}
func (q *CreateViewQuery) ColumnExpr(query string, args ...any) *CreateViewQuery {
q.addColumn(chschema.SafeQuery(query, args))
return q
}
func (q *CreateViewQuery) ExcludeColumn(columns ...string) *CreateViewQuery {
q.excludeColumn(columns)
return q
}
//------------------------------------------------------------------------------
func (q *CreateViewQuery) Materialized() *CreateViewQuery {
q.materialized = true
return q
}
func (q *CreateViewQuery) IfNotExists() *CreateViewQuery {
q.ifNotExists = true
return q
}
//------------------------------------------------------------------------------
func (q *CreateViewQuery) Where(query string, args ...any) *CreateViewQuery {
q.addWhere(chschema.SafeQueryWithSep(query, args, " AND "))
return q
}
func (q *CreateViewQuery) WhereOr(query string, args ...any) *CreateViewQuery {
q.addWhere(chschema.SafeQueryWithSep(query, args, " OR "))
return q
}
func (q *CreateViewQuery) WhereGroup(sep string, fn func(*CreateViewQuery) *CreateViewQuery) *CreateViewQuery {
saved := q.where
q.where = nil
q = fn(q)
where := q.where
q.where = saved
q.addWhereGroup(sep, where)
return q
}
func (q *CreateViewQuery) Group(columns ...string) *CreateViewQuery {
for _, column := range columns {
q.group = append(q.group, chschema.UnsafeIdent(column))
}
return q
}
func (q *CreateViewQuery) GroupExpr(group string, args ...any) *CreateViewQuery {
q.group = append(q.group, chschema.SafeQuery(group, args))
return q
}
func (q *CreateViewQuery) OrderExpr(query string, args ...any) *CreateViewQuery {
q.order = chschema.SafeQuery(query, args)
return q
}
func (q *CreateViewQuery) Setting(query string, args ...any) *CreateViewQuery {
q.settings = append(q.settings, chschema.SafeQuery(query, args))
return q
}
//------------------------------------------------------------------------------
func (q *CreateViewQuery) Operation() string {
return "CREATE VIEW"
}
var _ chschema.QueryAppender = (*CreateViewQuery)(nil)
func (q *CreateViewQuery) AppendQuery(fmter chschema.Formatter, b []byte) (_ []byte, err error) {
if q.err != nil {
return nil, q.err
}
b = append(b, "CREATE "...)
if q.materialized {
b = append(b, "MATERIALIZED "...)
}
b = append(b, "VIEW "...)
if q.ifNotExists {
b = append(b, "IF NOT EXISTS "...)
}
b, err = q.view.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
if !q.cluster.IsEmpty() {
b = append(b, " ON CLUSTER "...)
b, err = q.cluster.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
b = append(b, " TO "...)
b, err = q.to.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
b = append(b, " AS "...)
b = append(b, "SELECT "...)
b, err = q.appendColumns(fmter, b)
if err != nil {
return nil, err
}
b = append(b, " FROM "...)
b, err = q.appendTablesWithAlias(fmter, b)
if err != nil {
return nil, err
}
b, err = q.appendWhere(fmter, b)
if err != nil {
return nil, err
}
if len(q.group) > 0 {
b = append(b, " GROUP BY "...)
for i, f := range q.group {
if i > 0 {
b = append(b, ", "...)
}
b, err = f.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
}
if !q.order.IsZero() {
b = append(b, " ORDER BY "...)
b, err = q.order.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
b, err = q.appendSettings(fmter, b)
if err != nil {
return nil, err
}
return b, nil
}
//------------------------------------------------------------------------------
func (q *CreateViewQuery) Exec(ctx context.Context, dest ...any) (sql.Result, error) {
queryBytes, err := q.AppendQuery(q.db.fmter, q.db.makeQueryBytes())
if err != nil {
return nil, err
}
query := internal.String(queryBytes)
return q.exec(ctx, q, query)
}