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-rw-r--r--vendor/github.com/go-pg/pg/v10/orm/query.go1680
1 files changed, 0 insertions, 1680 deletions
diff --git a/vendor/github.com/go-pg/pg/v10/orm/query.go b/vendor/github.com/go-pg/pg/v10/orm/query.go
deleted file mode 100644
index 8a9231f65..000000000
--- a/vendor/github.com/go-pg/pg/v10/orm/query.go
+++ /dev/null
@@ -1,1680 +0,0 @@
-package orm
-
-import (
- "context"
- "errors"
- "fmt"
- "io"
- "reflect"
- "strconv"
- "strings"
- "sync"
- "time"
-
- "github.com/go-pg/pg/v10/internal"
- "github.com/go-pg/pg/v10/types"
-)
-
-type QueryOp string
-
-const (
- SelectOp QueryOp = "SELECT"
- InsertOp QueryOp = "INSERT"
- UpdateOp QueryOp = "UPDATE"
- DeleteOp QueryOp = "DELETE"
- CreateTableOp QueryOp = "CREATE TABLE"
- DropTableOp QueryOp = "DROP TABLE"
- CreateCompositeOp QueryOp = "CREATE COMPOSITE"
- DropCompositeOp QueryOp = "DROP COMPOSITE"
-)
-
-type queryFlag uint8
-
-const (
- implicitModelFlag queryFlag = 1 << iota
- deletedFlag
- allWithDeletedFlag
-)
-
-type withQuery struct {
- name string
- query QueryAppender
-}
-
-type columnValue struct {
- column string
- value *SafeQueryAppender
-}
-
-type union struct {
- expr string
- query *Query
-}
-
-type Query struct {
- ctx context.Context
- db DB
- stickyErr error
-
- model Model
- tableModel TableModel
- flags queryFlag
-
- with []withQuery
- tables []QueryAppender
- distinctOn []*SafeQueryAppender
- columns []QueryAppender
- set []QueryAppender
- modelValues map[string]*SafeQueryAppender
- extraValues []*columnValue
- where []queryWithSepAppender
- updWhere []queryWithSepAppender
- group []QueryAppender
- having []*SafeQueryAppender
- union []*union
- joins []QueryAppender
- joinAppendOn func(app *condAppender)
- order []QueryAppender
- limit int
- offset int
- selFor *SafeQueryAppender
-
- onConflict *SafeQueryAppender
- returning []*SafeQueryAppender
-}
-
-func NewQuery(db DB, model ...interface{}) *Query {
- ctx := context.Background()
- if db != nil {
- ctx = db.Context()
- }
- q := &Query{ctx: ctx}
- return q.DB(db).Model(model...)
-}
-
-func NewQueryContext(ctx context.Context, db DB, model ...interface{}) *Query {
- return NewQuery(db, model...).Context(ctx)
-}
-
-// New returns new zero Query bound to the current db.
-func (q *Query) New() *Query {
- clone := &Query{
- ctx: q.ctx,
- db: q.db,
-
- model: q.model,
- tableModel: cloneTableModelJoins(q.tableModel),
- flags: q.flags,
- }
- return clone.withFlag(implicitModelFlag)
-}
-
-// Clone clones the Query.
-func (q *Query) Clone() *Query {
- var modelValues map[string]*SafeQueryAppender
- if len(q.modelValues) > 0 {
- modelValues = make(map[string]*SafeQueryAppender, len(q.modelValues))
- for k, v := range q.modelValues {
- modelValues[k] = v
- }
- }
-
- clone := &Query{
- ctx: q.ctx,
- db: q.db,
- stickyErr: q.stickyErr,
-
- model: q.model,
- tableModel: cloneTableModelJoins(q.tableModel),
- flags: q.flags,
-
- with: q.with[:len(q.with):len(q.with)],
- tables: q.tables[:len(q.tables):len(q.tables)],
- distinctOn: q.distinctOn[:len(q.distinctOn):len(q.distinctOn)],
- columns: q.columns[:len(q.columns):len(q.columns)],
- set: q.set[:len(q.set):len(q.set)],
- modelValues: modelValues,
- extraValues: q.extraValues[:len(q.extraValues):len(q.extraValues)],
- where: q.where[:len(q.where):len(q.where)],
- updWhere: q.updWhere[:len(q.updWhere):len(q.updWhere)],
- joins: q.joins[:len(q.joins):len(q.joins)],
- group: q.group[:len(q.group):len(q.group)],
- having: q.having[:len(q.having):len(q.having)],
- union: q.union[:len(q.union):len(q.union)],
- order: q.order[:len(q.order):len(q.order)],
- limit: q.limit,
- offset: q.offset,
- selFor: q.selFor,
-
- onConflict: q.onConflict,
- returning: q.returning[:len(q.returning):len(q.returning)],
- }
-
- return clone
-}
-
-func cloneTableModelJoins(tm TableModel) TableModel {
- switch tm := tm.(type) {
- case *structTableModel:
- if len(tm.joins) == 0 {
- return tm
- }
- clone := *tm
- clone.joins = clone.joins[:len(clone.joins):len(clone.joins)]
- return &clone
- case *sliceTableModel:
- if len(tm.joins) == 0 {
- return tm
- }
- clone := *tm
- clone.joins = clone.joins[:len(clone.joins):len(clone.joins)]
- return &clone
- }
- return tm
-}
-
-func (q *Query) err(err error) *Query {
- if q.stickyErr == nil {
- q.stickyErr = err
- }
- return q
-}
-
-func (q *Query) hasFlag(flag queryFlag) bool {
- return hasFlag(q.flags, flag)
-}
-
-func hasFlag(flags, flag queryFlag) bool {
- return flags&flag != 0
-}
-
-func (q *Query) withFlag(flag queryFlag) *Query {
- q.flags |= flag
- return q
-}
-
-func (q *Query) withoutFlag(flag queryFlag) *Query {
- q.flags &= ^flag
- return q
-}
-
-func (q *Query) Context(c context.Context) *Query {
- q.ctx = c
- return q
-}
-
-func (q *Query) DB(db DB) *Query {
- q.db = db
- return q
-}
-
-func (q *Query) Model(model ...interface{}) *Query {
- var err error
- switch l := len(model); {
- case l == 0:
- q.model = nil
- case l == 1:
- q.model, err = NewModel(model[0])
- case l > 1:
- q.model, err = NewModel(&model)
- default:
- panic("not reached")
- }
- if err != nil {
- q = q.err(err)
- }
-
- q.tableModel, _ = q.model.(TableModel)
-
- return q.withoutFlag(implicitModelFlag)
-}
-
-func (q *Query) TableModel() TableModel {
- return q.tableModel
-}
-
-func (q *Query) isSoftDelete() bool {
- if q.tableModel != nil {
- return q.tableModel.Table().SoftDeleteField != nil && !q.hasFlag(allWithDeletedFlag)
- }
- return false
-}
-
-// Deleted adds `WHERE deleted_at IS NOT NULL` clause for soft deleted models.
-func (q *Query) Deleted() *Query {
- if q.tableModel != nil {
- if err := q.tableModel.Table().mustSoftDelete(); err != nil {
- return q.err(err)
- }
- }
- return q.withFlag(deletedFlag).withoutFlag(allWithDeletedFlag)
-}
-
-// AllWithDeleted changes query to return all rows including soft deleted ones.
-func (q *Query) AllWithDeleted() *Query {
- if q.tableModel != nil {
- if err := q.tableModel.Table().mustSoftDelete(); err != nil {
- return q.err(err)
- }
- }
- return q.withFlag(allWithDeletedFlag).withoutFlag(deletedFlag)
-}
-
-// With adds subq as common table expression with the given name.
-func (q *Query) With(name string, subq *Query) *Query {
- return q._with(name, NewSelectQuery(subq))
-}
-
-func (q *Query) WithInsert(name string, subq *Query) *Query {
- return q._with(name, NewInsertQuery(subq))
-}
-
-func (q *Query) WithUpdate(name string, subq *Query) *Query {
- return q._with(name, NewUpdateQuery(subq, false))
-}
-
-func (q *Query) WithDelete(name string, subq *Query) *Query {
- return q._with(name, NewDeleteQuery(subq))
-}
-
-func (q *Query) _with(name string, subq QueryAppender) *Query {
- q.with = append(q.with, withQuery{
- name: name,
- query: subq,
- })
- return q
-}
-
-// WrapWith creates new Query and adds to it current query as
-// common table expression with the given name.
-func (q *Query) WrapWith(name string) *Query {
- wrapper := q.New()
- wrapper.with = q.with
- q.with = nil
- wrapper = wrapper.With(name, q)
- return wrapper
-}
-
-func (q *Query) Table(tables ...string) *Query {
- for _, table := range tables {
- q.tables = append(q.tables, fieldAppender{table})
- }
- return q
-}
-
-func (q *Query) TableExpr(expr string, params ...interface{}) *Query {
- q.tables = append(q.tables, SafeQuery(expr, params...))
- return q
-}
-
-func (q *Query) Distinct() *Query {
- q.distinctOn = make([]*SafeQueryAppender, 0)
- return q
-}
-
-func (q *Query) DistinctOn(expr string, params ...interface{}) *Query {
- q.distinctOn = append(q.distinctOn, SafeQuery(expr, params...))
- return q
-}
-
-// Column adds a column to the Query quoting it according to PostgreSQL rules.
-// Does not expand params like ?TableAlias etc.
-// ColumnExpr can be used to bypass quoting restriction or for params expansion.
-// Column name can be:
-// - column_name,
-// - table_alias.column_name,
-// - table_alias.*.
-func (q *Query) Column(columns ...string) *Query {
- for _, column := range columns {
- if column == "_" {
- if q.columns == nil {
- q.columns = make([]QueryAppender, 0)
- }
- continue
- }
-
- q.columns = append(q.columns, fieldAppender{column})
- }
- return q
-}
-
-// ColumnExpr adds column expression to the Query.
-func (q *Query) ColumnExpr(expr string, params ...interface{}) *Query {
- q.columns = append(q.columns, SafeQuery(expr, params...))
- return q
-}
-
-// ExcludeColumn excludes a column from the list of to be selected columns.
-func (q *Query) ExcludeColumn(columns ...string) *Query {
- if q.columns == nil {
- for _, f := range q.tableModel.Table().Fields {
- q.columns = append(q.columns, fieldAppender{f.SQLName})
- }
- }
-
- for _, col := range columns {
- if !q.excludeColumn(col) {
- return q.err(fmt.Errorf("pg: can't find column=%q", col))
- }
- }
- return q
-}
-
-func (q *Query) excludeColumn(column string) bool {
- for i := 0; i < len(q.columns); i++ {
- app, ok := q.columns[i].(fieldAppender)
- if ok && app.field == column {
- q.columns = append(q.columns[:i], q.columns[i+1:]...)
- return true
- }
- }
- return false
-}
-
-func (q *Query) getFields() ([]*Field, error) {
- return q._getFields(false)
-}
-
-func (q *Query) getDataFields() ([]*Field, error) {
- return q._getFields(true)
-}
-
-func (q *Query) _getFields(omitPKs bool) ([]*Field, error) {
- table := q.tableModel.Table()
- columns := make([]*Field, 0, len(q.columns))
- for _, col := range q.columns {
- f, ok := col.(fieldAppender)
- if !ok {
- continue
- }
-
- field, err := table.GetField(f.field)
- if err != nil {
- return nil, err
- }
-
- if omitPKs && field.hasFlag(PrimaryKeyFlag) {
- continue
- }
-
- columns = append(columns, field)
- }
- return columns, nil
-}
-
-// Relation adds a relation to the query. Relation name can be:
-// - RelationName to select all columns,
-// - RelationName.column_name,
-// - RelationName._ to join relation without selecting relation columns.
-func (q *Query) Relation(name string, apply ...func(*Query) (*Query, error)) *Query {
- var fn func(*Query) (*Query, error)
- if len(apply) == 1 {
- fn = apply[0]
- } else if len(apply) > 1 {
- panic("only one apply function is supported")
- }
-
- join := q.tableModel.Join(name, fn)
- if join == nil {
- return q.err(fmt.Errorf("%s does not have relation=%q",
- q.tableModel.Table(), name))
- }
-
- if fn == nil {
- return q
- }
-
- switch join.Rel.Type {
- case HasOneRelation, BelongsToRelation:
- q.joinAppendOn = join.AppendOn
- return q.Apply(fn)
- default:
- q.joinAppendOn = nil
- return q
- }
-}
-
-func (q *Query) Set(set string, params ...interface{}) *Query {
- q.set = append(q.set, SafeQuery(set, params...))
- return q
-}
-
-// Value overwrites model value for the column in INSERT and UPDATE queries.
-func (q *Query) Value(column string, value string, params ...interface{}) *Query {
- if !q.hasTableModel() {
- q.err(errModelNil)
- return q
- }
-
- table := q.tableModel.Table()
- if _, ok := table.FieldsMap[column]; ok {
- if q.modelValues == nil {
- q.modelValues = make(map[string]*SafeQueryAppender)
- }
- q.modelValues[column] = SafeQuery(value, params...)
- } else {
- q.extraValues = append(q.extraValues, &columnValue{
- column: column,
- value: SafeQuery(value, params...),
- })
- }
-
- return q
-}
-
-func (q *Query) Where(condition string, params ...interface{}) *Query {
- q.addWhere(&condAppender{
- sep: " AND ",
- cond: condition,
- params: params,
- })
- return q
-}
-
-func (q *Query) WhereOr(condition string, params ...interface{}) *Query {
- q.addWhere(&condAppender{
- sep: " OR ",
- cond: condition,
- params: params,
- })
- return q
-}
-
-// WhereGroup encloses conditions added in the function in parentheses.
-//
-// q.Where("TRUE").
-// WhereGroup(func(q *pg.Query) (*pg.Query, error) {
-// q = q.WhereOr("FALSE").WhereOr("TRUE").
-// return q, nil
-// })
-//
-// generates
-//
-// WHERE TRUE AND (FALSE OR TRUE)
-func (q *Query) WhereGroup(fn func(*Query) (*Query, error)) *Query {
- return q.whereGroup(" AND ", fn)
-}
-
-// WhereGroup encloses conditions added in the function in parentheses.
-//
-// q.Where("TRUE").
-// WhereNotGroup(func(q *pg.Query) (*pg.Query, error) {
-// q = q.WhereOr("FALSE").WhereOr("TRUE").
-// return q, nil
-// })
-//
-// generates
-//
-// WHERE TRUE AND NOT (FALSE OR TRUE)
-func (q *Query) WhereNotGroup(fn func(*Query) (*Query, error)) *Query {
- return q.whereGroup(" AND NOT ", fn)
-}
-
-// WhereOrGroup encloses conditions added in the function in parentheses.
-//
-// q.Where("TRUE").
-// WhereOrGroup(func(q *pg.Query) (*pg.Query, error) {
-// q = q.Where("FALSE").Where("TRUE").
-// return q, nil
-// })
-//
-// generates
-//
-// WHERE TRUE OR (FALSE AND TRUE)
-func (q *Query) WhereOrGroup(fn func(*Query) (*Query, error)) *Query {
- return q.whereGroup(" OR ", fn)
-}
-
-// WhereOrGroup encloses conditions added in the function in parentheses.
-//
-// q.Where("TRUE").
-// WhereOrGroup(func(q *pg.Query) (*pg.Query, error) {
-// q = q.Where("FALSE").Where("TRUE").
-// return q, nil
-// })
-//
-// generates
-//
-// WHERE TRUE OR NOT (FALSE AND TRUE)
-func (q *Query) WhereOrNotGroup(fn func(*Query) (*Query, error)) *Query {
- return q.whereGroup(" OR NOT ", fn)
-}
-
-func (q *Query) whereGroup(conj string, fn func(*Query) (*Query, error)) *Query {
- saved := q.where
- q.where = nil
-
- newq, err := fn(q)
- if err != nil {
- q.err(err)
- return q
- }
-
- if len(newq.where) == 0 {
- newq.where = saved
- return newq
- }
-
- f := &condGroupAppender{
- sep: conj,
- cond: newq.where,
- }
- newq.where = saved
- newq.addWhere(f)
-
- return newq
-}
-
-// WhereIn is a shortcut for Where and pg.In.
-func (q *Query) WhereIn(where string, slice interface{}) *Query {
- return q.Where(where, types.In(slice))
-}
-
-// WhereInMulti is a shortcut for Where and pg.InMulti.
-func (q *Query) WhereInMulti(where string, values ...interface{}) *Query {
- return q.Where(where, types.InMulti(values...))
-}
-
-func (q *Query) addWhere(f queryWithSepAppender) {
- if q.onConflictDoUpdate() {
- q.updWhere = append(q.updWhere, f)
- } else {
- q.where = append(q.where, f)
- }
-}
-
-// WherePK adds condition based on the model primary keys.
-// Usually it is the same as:
-//
-// Where("id = ?id")
-func (q *Query) WherePK() *Query {
- if !q.hasTableModel() {
- q.err(errModelNil)
- return q
- }
-
- if err := q.tableModel.Table().checkPKs(); err != nil {
- q.err(err)
- return q
- }
-
- switch q.tableModel.Kind() {
- case reflect.Struct:
- q.where = append(q.where, wherePKStructQuery{q})
- return q
- case reflect.Slice:
- q.joins = append(q.joins, joinPKSliceQuery{q: q})
- q.where = append(q.where, wherePKSliceQuery{q: q})
- q = q.OrderExpr(`"_data"."ordering" ASC`)
- return q
- }
-
- panic("not reached")
-}
-
-func (q *Query) Join(join string, params ...interface{}) *Query {
- j := &joinQuery{
- join: SafeQuery(join, params...),
- }
- q.joins = append(q.joins, j)
- q.joinAppendOn = j.AppendOn
- return q
-}
-
-// JoinOn appends join condition to the last join.
-func (q *Query) JoinOn(condition string, params ...interface{}) *Query {
- if q.joinAppendOn == nil {
- q.err(errors.New("pg: no joins to apply JoinOn"))
- return q
- }
- q.joinAppendOn(&condAppender{
- sep: " AND ",
- cond: condition,
- params: params,
- })
- return q
-}
-
-func (q *Query) JoinOnOr(condition string, params ...interface{}) *Query {
- if q.joinAppendOn == nil {
- q.err(errors.New("pg: no joins to apply JoinOn"))
- return q
- }
- q.joinAppendOn(&condAppender{
- sep: " OR ",
- cond: condition,
- params: params,
- })
- return q
-}
-
-func (q *Query) Group(columns ...string) *Query {
- for _, column := range columns {
- q.group = append(q.group, fieldAppender{column})
- }
- return q
-}
-
-func (q *Query) GroupExpr(group string, params ...interface{}) *Query {
- q.group = append(q.group, SafeQuery(group, params...))
- return q
-}
-
-func (q *Query) Having(having string, params ...interface{}) *Query {
- q.having = append(q.having, SafeQuery(having, params...))
- return q
-}
-
-func (q *Query) Union(other *Query) *Query {
- return q.addUnion(" UNION ", other)
-}
-
-func (q *Query) UnionAll(other *Query) *Query {
- return q.addUnion(" UNION ALL ", other)
-}
-
-func (q *Query) Intersect(other *Query) *Query {
- return q.addUnion(" INTERSECT ", other)
-}
-
-func (q *Query) IntersectAll(other *Query) *Query {
- return q.addUnion(" INTERSECT ALL ", other)
-}
-
-func (q *Query) Except(other *Query) *Query {
- return q.addUnion(" EXCEPT ", other)
-}
-
-func (q *Query) ExceptAll(other *Query) *Query {
- return q.addUnion(" EXCEPT ALL ", other)
-}
-
-func (q *Query) addUnion(expr string, other *Query) *Query {
- q.union = append(q.union, &union{
- expr: expr,
- query: other,
- })
- return q
-}
-
-// Order adds sort order to the Query quoting column name. Does not expand params like ?TableAlias etc.
-// OrderExpr can be used to bypass quoting restriction or for params expansion.
-func (q *Query) Order(orders ...string) *Query {
-loop:
- for _, order := range orders {
- if order == "" {
- continue
- }
- ind := strings.Index(order, " ")
- if ind != -1 {
- field := order[:ind]
- sort := order[ind+1:]
- switch internal.UpperString(sort) {
- case "ASC", "DESC", "ASC NULLS FIRST", "DESC NULLS FIRST",
- "ASC NULLS LAST", "DESC NULLS LAST":
- q = q.OrderExpr("? ?", types.Ident(field), types.Safe(sort))
- continue loop
- }
- }
-
- q.order = append(q.order, fieldAppender{order})
- }
- return q
-}
-
-// Order adds sort order to the Query.
-func (q *Query) OrderExpr(order string, params ...interface{}) *Query {
- if order != "" {
- q.order = append(q.order, SafeQuery(order, params...))
- }
- return q
-}
-
-func (q *Query) Limit(n int) *Query {
- q.limit = n
- return q
-}
-
-func (q *Query) Offset(n int) *Query {
- q.offset = n
- return q
-}
-
-func (q *Query) OnConflict(s string, params ...interface{}) *Query {
- q.onConflict = SafeQuery(s, params...)
- return q
-}
-
-func (q *Query) onConflictDoUpdate() bool {
- return q.onConflict != nil &&
- strings.HasSuffix(internal.UpperString(q.onConflict.query), "DO UPDATE")
-}
-
-// Returning adds a RETURNING clause to the query.
-//
-// `Returning("NULL")` can be used to suppress default returning clause
-// generated by go-pg for INSERT queries to get values for null columns.
-func (q *Query) Returning(s string, params ...interface{}) *Query {
- q.returning = append(q.returning, SafeQuery(s, params...))
- return q
-}
-
-func (q *Query) For(s string, params ...interface{}) *Query {
- q.selFor = SafeQuery(s, params...)
- return q
-}
-
-// Apply calls the fn passing the Query as an argument.
-func (q *Query) Apply(fn func(*Query) (*Query, error)) *Query {
- qq, err := fn(q)
- if err != nil {
- q.err(err)
- return q
- }
- return qq
-}
-
-// Count returns number of rows matching the query using count aggregate function.
-func (q *Query) Count() (int, error) {
- if q.stickyErr != nil {
- return 0, q.stickyErr
- }
-
- var count int
- _, err := q.db.QueryOneContext(
- q.ctx, Scan(&count), q.countSelectQuery("count(*)"), q.tableModel)
- return count, err
-}
-
-func (q *Query) countSelectQuery(column string) *SelectQuery {
- return &SelectQuery{
- q: q,
- count: column,
- }
-}
-
-// First sorts rows by primary key and selects the first row.
-// It is a shortcut for:
-//
-// q.OrderExpr("id ASC").Limit(1)
-func (q *Query) First() error {
- table := q.tableModel.Table()
-
- if err := table.checkPKs(); err != nil {
- return err
- }
-
- b := appendColumns(nil, table.Alias, table.PKs)
- return q.OrderExpr(internal.BytesToString(b)).Limit(1).Select()
-}
-
-// Last sorts rows by primary key and selects the last row.
-// It is a shortcut for:
-//
-// q.OrderExpr("id DESC").Limit(1)
-func (q *Query) Last() error {
- table := q.tableModel.Table()
-
- if err := table.checkPKs(); err != nil {
- return err
- }
-
- // TODO: fix for multi columns
- b := appendColumns(nil, table.Alias, table.PKs)
- b = append(b, " DESC"...)
- return q.OrderExpr(internal.BytesToString(b)).Limit(1).Select()
-}
-
-// Select selects the model.
-func (q *Query) Select(values ...interface{}) error {
- if q.stickyErr != nil {
- return q.stickyErr
- }
-
- model, err := q.newModel(values)
- if err != nil {
- return err
- }
-
- res, err := q.query(q.ctx, model, NewSelectQuery(q))
- if err != nil {
- return err
- }
-
- if res.RowsReturned() > 0 {
- if q.tableModel != nil {
- if err := q.selectJoins(q.tableModel.GetJoins()); err != nil {
- return err
- }
- }
- }
-
- if err := model.AfterSelect(q.ctx); err != nil {
- return err
- }
-
- return nil
-}
-
-func (q *Query) newModel(values []interface{}) (Model, error) {
- if len(values) > 0 {
- return newScanModel(values)
- }
- return q.tableModel, nil
-}
-
-func (q *Query) query(ctx context.Context, model Model, query interface{}) (Result, error) {
- if _, ok := model.(useQueryOne); ok {
- return q.db.QueryOneContext(ctx, model, query, q.tableModel)
- }
- return q.db.QueryContext(ctx, model, query, q.tableModel)
-}
-
-// SelectAndCount runs Select and Count in two goroutines,
-// waits for them to finish and returns the result. If query limit is -1
-// it does not select any data and only counts the results.
-func (q *Query) SelectAndCount(values ...interface{}) (count int, firstErr error) {
- if q.stickyErr != nil {
- return 0, q.stickyErr
- }
-
- var wg sync.WaitGroup
- var mu sync.Mutex
-
- if q.limit >= 0 {
- wg.Add(1)
- go func() {
- defer wg.Done()
- err := q.Select(values...)
- if err != nil {
- mu.Lock()
- if firstErr == nil {
- firstErr = err
- }
- mu.Unlock()
- }
- }()
- }
-
- wg.Add(1)
- go func() {
- defer wg.Done()
- var err error
- count, err = q.Count()
- if err != nil {
- mu.Lock()
- if firstErr == nil {
- firstErr = err
- }
- mu.Unlock()
- }
- }()
-
- wg.Wait()
- return count, firstErr
-}
-
-// SelectAndCountEstimate runs Select and CountEstimate in two goroutines,
-// waits for them to finish and returns the result. If query limit is -1
-// it does not select any data and only counts the results.
-func (q *Query) SelectAndCountEstimate(threshold int, values ...interface{}) (count int, firstErr error) {
- if q.stickyErr != nil {
- return 0, q.stickyErr
- }
-
- var wg sync.WaitGroup
- var mu sync.Mutex
-
- if q.limit >= 0 {
- wg.Add(1)
- go func() {
- defer wg.Done()
- err := q.Select(values...)
- if err != nil {
- mu.Lock()
- if firstErr == nil {
- firstErr = err
- }
- mu.Unlock()
- }
- }()
- }
-
- wg.Add(1)
- go func() {
- defer wg.Done()
- var err error
- count, err = q.CountEstimate(threshold)
- if err != nil {
- mu.Lock()
- if firstErr == nil {
- firstErr = err
- }
- mu.Unlock()
- }
- }()
-
- wg.Wait()
- return count, firstErr
-}
-
-// ForEach calls the function for each row returned by the query
-// without loading all rows into the memory.
-//
-// Function can accept a struct, a pointer to a struct, an orm.Model,
-// or values for the columns in a row. Function must return an error.
-func (q *Query) ForEach(fn interface{}) error {
- m := newFuncModel(fn)
- return q.Select(m)
-}
-
-func (q *Query) forEachHasOneJoin(fn func(*join) error) error {
- if q.tableModel == nil {
- return nil
- }
- return q._forEachHasOneJoin(fn, q.tableModel.GetJoins())
-}
-
-func (q *Query) _forEachHasOneJoin(fn func(*join) error, joins []join) error {
- for i := range joins {
- j := &joins[i]
- switch j.Rel.Type {
- case HasOneRelation, BelongsToRelation:
- err := fn(j)
- if err != nil {
- return err
- }
-
- err = q._forEachHasOneJoin(fn, j.JoinModel.GetJoins())
- if err != nil {
- return err
- }
- }
- }
- return nil
-}
-
-func (q *Query) selectJoins(joins []join) error {
- var err error
- for i := range joins {
- j := &joins[i]
- if j.Rel.Type == HasOneRelation || j.Rel.Type == BelongsToRelation {
- err = q.selectJoins(j.JoinModel.GetJoins())
- } else {
- err = j.Select(q.db.Formatter(), q.New())
- }
- if err != nil {
- return err
- }
- }
- return nil
-}
-
-// Insert inserts the model.
-func (q *Query) Insert(values ...interface{}) (Result, error) {
- if q.stickyErr != nil {
- return nil, q.stickyErr
- }
-
- model, err := q.newModel(values)
- if err != nil {
- return nil, err
- }
-
- ctx := q.ctx
-
- if q.tableModel != nil && q.tableModel.Table().hasFlag(beforeInsertHookFlag) {
- ctx, err = q.tableModel.BeforeInsert(ctx)
- if err != nil {
- return nil, err
- }
- }
-
- query := NewInsertQuery(q)
- res, err := q.returningQuery(ctx, model, query)
- if err != nil {
- return nil, err
- }
-
- if q.tableModel != nil {
- if err := q.tableModel.AfterInsert(ctx); err != nil {
- return nil, err
- }
- }
-
- return res, nil
-}
-
-// SelectOrInsert selects the model inserting one if it does not exist.
-// It returns true when model was inserted.
-func (q *Query) SelectOrInsert(values ...interface{}) (inserted bool, _ error) {
- if q.stickyErr != nil {
- return false, q.stickyErr
- }
-
- var insertq *Query
- var insertErr error
- for i := 0; i < 5; i++ {
- if i >= 2 {
- dur := internal.RetryBackoff(i-2, 250*time.Millisecond, 5*time.Second)
- if err := internal.Sleep(q.ctx, dur); err != nil {
- return false, err
- }
- }
-
- err := q.Select(values...)
- if err == nil {
- return false, nil
- }
- if err != internal.ErrNoRows {
- return false, err
- }
-
- if insertq == nil {
- insertq = q
- if len(insertq.columns) > 0 {
- insertq = insertq.Clone()
- insertq.columns = nil
- }
- }
-
- res, err := insertq.Insert(values...)
- if err != nil {
- insertErr = err
- if err == internal.ErrNoRows {
- continue
- }
- if pgErr, ok := err.(internal.PGError); ok {
- if pgErr.IntegrityViolation() {
- continue
- }
- if pgErr.Field('C') == "55000" {
- // Retry on "#55000 attempted to delete invisible tuple".
- continue
- }
- }
- return false, err
- }
- if res.RowsAffected() == 1 {
- return true, nil
- }
- }
-
- err := fmt.Errorf(
- "pg: SelectOrInsert: select returns no rows (insert fails with err=%q)",
- insertErr)
- return false, err
-}
-
-// Update updates the model.
-func (q *Query) Update(scan ...interface{}) (Result, error) {
- return q.update(scan, false)
-}
-
-// Update updates the model omitting fields with zero values such as:
-// - empty string,
-// - 0,
-// - zero time,
-// - empty map or slice,
-// - byte array with all zeroes,
-// - nil ptr,
-// - types with method `IsZero() == true`.
-func (q *Query) UpdateNotZero(scan ...interface{}) (Result, error) {
- return q.update(scan, true)
-}
-
-func (q *Query) update(values []interface{}, omitZero bool) (Result, error) {
- if q.stickyErr != nil {
- return nil, q.stickyErr
- }
-
- model, err := q.newModel(values)
- if err != nil {
- return nil, err
- }
-
- c := q.ctx
-
- if q.tableModel != nil {
- c, err = q.tableModel.BeforeUpdate(c)
- if err != nil {
- return nil, err
- }
- }
-
- query := NewUpdateQuery(q, omitZero)
- res, err := q.returningQuery(c, model, query)
- if err != nil {
- return nil, err
- }
-
- if q.tableModel != nil {
- err = q.tableModel.AfterUpdate(c)
- if err != nil {
- return nil, err
- }
- }
-
- return res, nil
-}
-
-func (q *Query) returningQuery(c context.Context, model Model, query interface{}) (Result, error) {
- if !q.hasReturning() {
- return q.db.QueryContext(c, model, query, q.tableModel)
- }
- if _, ok := model.(useQueryOne); ok {
- return q.db.QueryOneContext(c, model, query, q.tableModel)
- }
- return q.db.QueryContext(c, model, query, q.tableModel)
-}
-
-// Delete deletes the model. When model has deleted_at column the row
-// is soft deleted instead.
-func (q *Query) Delete(values ...interface{}) (Result, error) {
- if q.tableModel == nil {
- return q.ForceDelete(values...)
- }
-
- table := q.tableModel.Table()
- if table.SoftDeleteField == nil {
- return q.ForceDelete(values...)
- }
-
- clone := q.Clone()
- if q.tableModel.IsNil() {
- if table.SoftDeleteField.SQLType == pgTypeBigint {
- clone = clone.Set("? = ?", table.SoftDeleteField.Column, time.Now().UnixNano())
- } else {
- clone = clone.Set("? = ?", table.SoftDeleteField.Column, time.Now())
- }
- } else {
- if err := clone.tableModel.setSoftDeleteField(); err != nil {
- return nil, err
- }
- clone = clone.Column(table.SoftDeleteField.SQLName)
- }
- return clone.Update(values...)
-}
-
-// Delete forces delete of the model with deleted_at column.
-func (q *Query) ForceDelete(values ...interface{}) (Result, error) {
- if q.stickyErr != nil {
- return nil, q.stickyErr
- }
- if q.tableModel == nil {
- return nil, errModelNil
- }
- q = q.withFlag(deletedFlag)
-
- model, err := q.newModel(values)
- if err != nil {
- return nil, err
- }
-
- ctx := q.ctx
-
- if q.tableModel != nil {
- ctx, err = q.tableModel.BeforeDelete(ctx)
- if err != nil {
- return nil, err
- }
- }
-
- res, err := q.returningQuery(ctx, model, NewDeleteQuery(q))
- if err != nil {
- return nil, err
- }
-
- if q.tableModel != nil {
- if err := q.tableModel.AfterDelete(ctx); err != nil {
- return nil, err
- }
- }
-
- return res, nil
-}
-
-func (q *Query) CreateTable(opt *CreateTableOptions) error {
- _, err := q.db.ExecContext(q.ctx, NewCreateTableQuery(q, opt))
- return err
-}
-
-func (q *Query) DropTable(opt *DropTableOptions) error {
- _, err := q.db.ExecContext(q.ctx, NewDropTableQuery(q, opt))
- return err
-}
-
-func (q *Query) CreateComposite(opt *CreateCompositeOptions) error {
- _, err := q.db.ExecContext(q.ctx, NewCreateCompositeQuery(q, opt))
- return err
-}
-
-func (q *Query) DropComposite(opt *DropCompositeOptions) error {
- _, err := q.db.ExecContext(q.ctx, NewDropCompositeQuery(q, opt))
- return err
-}
-
-// Exec is an alias for DB.Exec.
-func (q *Query) Exec(query interface{}, params ...interface{}) (Result, error) {
- params = append(params, q.tableModel)
- return q.db.ExecContext(q.ctx, query, params...)
-}
-
-// ExecOne is an alias for DB.ExecOne.
-func (q *Query) ExecOne(query interface{}, params ...interface{}) (Result, error) {
- params = append(params, q.tableModel)
- return q.db.ExecOneContext(q.ctx, query, params...)
-}
-
-// Query is an alias for DB.Query.
-func (q *Query) Query(model, query interface{}, params ...interface{}) (Result, error) {
- params = append(params, q.tableModel)
- return q.db.QueryContext(q.ctx, model, query, params...)
-}
-
-// QueryOne is an alias for DB.QueryOne.
-func (q *Query) QueryOne(model, query interface{}, params ...interface{}) (Result, error) {
- params = append(params, q.tableModel)
- return q.db.QueryOneContext(q.ctx, model, query, params...)
-}
-
-// CopyFrom is an alias from DB.CopyFrom.
-func (q *Query) CopyFrom(r io.Reader, query interface{}, params ...interface{}) (Result, error) {
- params = append(params, q.tableModel)
- return q.db.CopyFrom(r, query, params...)
-}
-
-// CopyTo is an alias from DB.CopyTo.
-func (q *Query) CopyTo(w io.Writer, query interface{}, params ...interface{}) (Result, error) {
- params = append(params, q.tableModel)
- return q.db.CopyTo(w, query, params...)
-}
-
-var _ QueryAppender = (*Query)(nil)
-
-func (q *Query) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
- return NewSelectQuery(q).AppendQuery(fmter, b)
-}
-
-// Exists returns true or false depending if there are any rows matching the query.
-func (q *Query) Exists() (bool, error) {
- q = q.Clone() // copy to not change original query
- q.columns = []QueryAppender{SafeQuery("1")}
- q.order = nil
- q.limit = 1
- res, err := q.db.ExecContext(q.ctx, NewSelectQuery(q))
- if err != nil {
- return false, err
- }
- return res.RowsAffected() > 0, nil
-}
-
-func (q *Query) hasTableModel() bool {
- return q.tableModel != nil && !q.tableModel.IsNil()
-}
-
-func (q *Query) hasExplicitTableModel() bool {
- return q.tableModel != nil && !q.hasFlag(implicitModelFlag)
-}
-
-func (q *Query) modelHasTableName() bool {
- return q.hasExplicitTableModel() && q.tableModel.Table().SQLName != ""
-}
-
-func (q *Query) modelHasTableAlias() bool {
- return q.hasExplicitTableModel() && q.tableModel.Table().Alias != ""
-}
-
-func (q *Query) hasTables() bool {
- return q.modelHasTableName() || len(q.tables) > 0
-}
-
-func (q *Query) appendFirstTable(fmter QueryFormatter, b []byte) ([]byte, error) {
- if q.modelHasTableName() {
- return fmter.FormatQuery(b, string(q.tableModel.Table().SQLName)), nil
- }
- if len(q.tables) > 0 {
- return q.tables[0].AppendQuery(fmter, b)
- }
- return b, nil
-}
-
-func (q *Query) appendFirstTableWithAlias(fmter QueryFormatter, b []byte) (_ []byte, err error) {
- if q.modelHasTableName() {
- table := q.tableModel.Table()
- b = fmter.FormatQuery(b, string(table.SQLName))
- if table.Alias != table.SQLName {
- b = append(b, " AS "...)
- b = append(b, table.Alias...)
- }
- return b, nil
- }
-
- if len(q.tables) > 0 {
- b, err = q.tables[0].AppendQuery(fmter, b)
- if err != nil {
- return nil, err
- }
- if q.modelHasTableAlias() {
- table := q.tableModel.Table()
- if table.Alias != table.SQLName {
- b = append(b, " AS "...)
- b = append(b, table.Alias...)
- }
- }
- }
-
- return b, nil
-}
-
-func (q *Query) hasMultiTables() bool {
- if q.modelHasTableName() {
- return len(q.tables) >= 1
- }
- return len(q.tables) >= 2
-}
-
-func (q *Query) appendOtherTables(fmter QueryFormatter, b []byte) (_ []byte, err error) {
- tables := q.tables
- if !q.modelHasTableName() {
- tables = tables[1:]
- }
- for i, f := range tables {
- if i > 0 {
- b = append(b, ", "...)
- }
- b, err = f.AppendQuery(fmter, b)
- if err != nil {
- return nil, err
- }
- }
- return b, nil
-}
-
-func (q *Query) appendColumns(fmter QueryFormatter, b []byte) (_ []byte, err error) {
- for i, f := range q.columns {
- if i > 0 {
- b = append(b, ", "...)
- }
- b, err = f.AppendQuery(fmter, b)
- if err != nil {
- return nil, err
- }
- }
- return b, nil
-}
-
-func (q *Query) mustAppendWhere(fmter QueryFormatter, b []byte) ([]byte, error) {
- if len(q.where) == 0 {
- err := errors.New(
- "pg: Update and Delete queries require Where clause (try WherePK)")
- return nil, err
- }
- return q.appendWhere(fmter, b)
-}
-
-func (q *Query) appendWhere(fmter QueryFormatter, b []byte) (_ []byte, err error) {
- isSoftDelete := q.isSoftDelete()
-
- if len(q.where) > 0 {
- if isSoftDelete {
- b = append(b, '(')
- }
-
- b, err = q._appendWhere(fmter, b, q.where)
- if err != nil {
- return nil, err
- }
-
- if isSoftDelete {
- b = append(b, ')')
- }
- }
-
- if isSoftDelete {
- if len(q.where) > 0 {
- b = append(b, " AND "...)
- }
- b = append(b, q.tableModel.Table().Alias...)
- b = q.appendSoftDelete(b)
- }
-
- return b, nil
-}
-
-func (q *Query) appendSoftDelete(b []byte) []byte {
- b = append(b, '.')
- b = append(b, q.tableModel.Table().SoftDeleteField.Column...)
- if q.hasFlag(deletedFlag) {
- b = append(b, " IS NOT NULL"...)
- } else {
- b = append(b, " IS NULL"...)
- }
- return b
-}
-
-func (q *Query) appendUpdWhere(fmter QueryFormatter, b []byte) ([]byte, error) {
- return q._appendWhere(fmter, b, q.updWhere)
-}
-
-func (q *Query) _appendWhere(
- fmter QueryFormatter, b []byte, where []queryWithSepAppender,
-) (_ []byte, err error) {
- for i, f := range where {
- start := len(b)
-
- if i > 0 {
- b = f.AppendSep(b)
- }
-
- before := len(b)
-
- b, err = f.AppendQuery(fmter, b)
- if err != nil {
- return nil, err
- }
-
- if len(b) == before {
- b = b[:start]
- }
- }
- return b, nil
-}
-
-func (q *Query) appendSet(fmter QueryFormatter, b []byte) (_ []byte, err error) {
- b = append(b, " SET "...)
- for i, f := range q.set {
- if i > 0 {
- b = append(b, ", "...)
- }
- b, err = f.AppendQuery(fmter, b)
- if err != nil {
- return nil, err
- }
- }
- return b, nil
-}
-
-func (q *Query) hasReturning() bool {
- if len(q.returning) == 0 {
- return false
- }
- if len(q.returning) == 1 {
- switch q.returning[0].query {
- case "null", "NULL":
- return false
- }
- }
- return true
-}
-
-func (q *Query) appendReturning(fmter QueryFormatter, b []byte) (_ []byte, err error) {
- if !q.hasReturning() {
- return b, nil
- }
-
- b = append(b, " RETURNING "...)
- for i, f := range q.returning {
- if i > 0 {
- b = append(b, ", "...)
- }
- b, err = f.AppendQuery(fmter, b)
- if err != nil {
- return nil, err
- }
- }
- return b, nil
-}
-
-func (q *Query) appendWith(fmter QueryFormatter, b []byte) (_ []byte, err error) {
- b = append(b, "WITH "...)
- for i, with := range q.with {
- if i > 0 {
- b = append(b, ", "...)
- }
- b = types.AppendIdent(b, with.name, 1)
- b = append(b, " AS ("...)
-
- b, err = with.query.AppendQuery(fmter, b)
- if err != nil {
- return nil, err
- }
-
- b = append(b, ')')
- }
- b = append(b, ' ')
- return b, nil
-}
-
-func (q *Query) isSliceModelWithData() bool {
- if !q.hasTableModel() {
- return false
- }
- m, ok := q.tableModel.(*sliceTableModel)
- return ok && m.sliceLen > 0
-}
-
-//------------------------------------------------------------------------------
-
-type wherePKStructQuery struct {
- q *Query
-}
-
-var _ queryWithSepAppender = (*wherePKStructQuery)(nil)
-
-func (wherePKStructQuery) AppendSep(b []byte) []byte {
- return append(b, " AND "...)
-}
-
-func (q wherePKStructQuery) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
- table := q.q.tableModel.Table()
- value := q.q.tableModel.Value()
- return appendColumnAndValue(fmter, b, value, table.Alias, table.PKs), nil
-}
-
-func appendColumnAndValue(
- fmter QueryFormatter, b []byte, v reflect.Value, alias types.Safe, fields []*Field,
-) []byte {
- isPlaceholder := isTemplateFormatter(fmter)
- for i, f := range fields {
- if i > 0 {
- b = append(b, " AND "...)
- }
- b = append(b, alias...)
- b = append(b, '.')
- b = append(b, f.Column...)
- b = append(b, " = "...)
- if isPlaceholder {
- b = append(b, '?')
- } else {
- b = f.AppendValue(b, v, 1)
- }
- }
- return b
-}
-
-//------------------------------------------------------------------------------
-
-type wherePKSliceQuery struct {
- q *Query
-}
-
-var _ queryWithSepAppender = (*wherePKSliceQuery)(nil)
-
-func (wherePKSliceQuery) AppendSep(b []byte) []byte {
- return append(b, " AND "...)
-}
-
-func (q wherePKSliceQuery) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
- table := q.q.tableModel.Table()
-
- for i, f := range table.PKs {
- if i > 0 {
- b = append(b, " AND "...)
- }
- b = append(b, table.Alias...)
- b = append(b, '.')
- b = append(b, f.Column...)
- b = append(b, " = "...)
- b = append(b, `"_data".`...)
- b = append(b, f.Column...)
- }
-
- return b, nil
-}
-
-type joinPKSliceQuery struct {
- q *Query
-}
-
-var _ QueryAppender = (*joinPKSliceQuery)(nil)
-
-func (q joinPKSliceQuery) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
- table := q.q.tableModel.Table()
- slice := q.q.tableModel.Value()
-
- b = append(b, " JOIN (VALUES "...)
-
- sliceLen := slice.Len()
- for i := 0; i < sliceLen; i++ {
- if i > 0 {
- b = append(b, ", "...)
- }
-
- el := indirect(slice.Index(i))
-
- b = append(b, '(')
- for i, f := range table.PKs {
- if i > 0 {
- b = append(b, ", "...)
- }
-
- b = f.AppendValue(b, el, 1)
-
- if f.UserSQLType != "" {
- b = append(b, "::"...)
- b = append(b, f.SQLType...)
- }
- }
-
- b = append(b, ", "...)
- b = strconv.AppendInt(b, int64(i), 10)
-
- b = append(b, ')')
- }
-
- b = append(b, `) AS "_data" (`...)
-
- for i, f := range table.PKs {
- if i > 0 {
- b = append(b, ", "...)
- }
- b = append(b, f.Column...)
- }
-
- b = append(b, ", "...)
- b = append(b, `"ordering"`...)
- b = append(b, ") ON TRUE"...)
-
- return b, nil
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-13 11:25:02 +0000