zkt24/z2/backend/ent/blocks_query.go
2024-04-25 13:51:47 +02:00

712 lines
20 KiB
Go

// Code generated by ent, DO NOT EDIT.
package ent
import (
"context"
"database/sql/driver"
"fmt"
"math"
"thesis/ent/blocks"
"thesis/ent/predicate"
"thesis/ent/transactions"
"thesis/ent/validators"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
)
// BlocksQuery is the builder for querying Blocks entities.
type BlocksQuery struct {
config
ctx *QueryContext
order []blocks.OrderOption
inters []Interceptor
predicates []predicate.Blocks
withCaster *ValidatorsQuery
withMinedTxs *TransactionsQuery
// intermediate query (i.e. traversal path).
sql *sql.Selector
path func(context.Context) (*sql.Selector, error)
}
// Where adds a new predicate for the BlocksQuery builder.
func (bq *BlocksQuery) Where(ps ...predicate.Blocks) *BlocksQuery {
bq.predicates = append(bq.predicates, ps...)
return bq
}
// Limit the number of records to be returned by this query.
func (bq *BlocksQuery) Limit(limit int) *BlocksQuery {
bq.ctx.Limit = &limit
return bq
}
// Offset to start from.
func (bq *BlocksQuery) Offset(offset int) *BlocksQuery {
bq.ctx.Offset = &offset
return bq
}
// Unique configures the query builder to filter duplicate records on query.
// By default, unique is set to true, and can be disabled using this method.
func (bq *BlocksQuery) Unique(unique bool) *BlocksQuery {
bq.ctx.Unique = &unique
return bq
}
// Order specifies how the records should be ordered.
func (bq *BlocksQuery) Order(o ...blocks.OrderOption) *BlocksQuery {
bq.order = append(bq.order, o...)
return bq
}
// QueryCaster chains the current query on the "Caster" edge.
func (bq *BlocksQuery) QueryCaster() *ValidatorsQuery {
query := (&ValidatorsClient{config: bq.config}).Query()
query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
if err := bq.prepareQuery(ctx); err != nil {
return nil, err
}
selector := bq.sqlQuery(ctx)
if err := selector.Err(); err != nil {
return nil, err
}
step := sqlgraph.NewStep(
sqlgraph.From(blocks.Table, blocks.FieldID, selector),
sqlgraph.To(validators.Table, validators.FieldID),
sqlgraph.Edge(sqlgraph.O2M, false, blocks.CasterTable, blocks.CasterColumn),
)
fromU = sqlgraph.SetNeighbors(bq.driver.Dialect(), step)
return fromU, nil
}
return query
}
// QueryMinedTxs chains the current query on the "MinedTxs" edge.
func (bq *BlocksQuery) QueryMinedTxs() *TransactionsQuery {
query := (&TransactionsClient{config: bq.config}).Query()
query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
if err := bq.prepareQuery(ctx); err != nil {
return nil, err
}
selector := bq.sqlQuery(ctx)
if err := selector.Err(); err != nil {
return nil, err
}
step := sqlgraph.NewStep(
sqlgraph.From(blocks.Table, blocks.FieldID, selector),
sqlgraph.To(transactions.Table, transactions.FieldID),
sqlgraph.Edge(sqlgraph.M2M, false, blocks.MinedTxsTable, blocks.MinedTxsPrimaryKey...),
)
fromU = sqlgraph.SetNeighbors(bq.driver.Dialect(), step)
return fromU, nil
}
return query
}
// First returns the first Blocks entity from the query.
// Returns a *NotFoundError when no Blocks was found.
func (bq *BlocksQuery) First(ctx context.Context) (*Blocks, error) {
nodes, err := bq.Limit(1).All(setContextOp(ctx, bq.ctx, "First"))
if err != nil {
return nil, err
}
if len(nodes) == 0 {
return nil, &NotFoundError{blocks.Label}
}
return nodes[0], nil
}
// FirstX is like First, but panics if an error occurs.
func (bq *BlocksQuery) FirstX(ctx context.Context) *Blocks {
node, err := bq.First(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return node
}
// FirstID returns the first Blocks ID from the query.
// Returns a *NotFoundError when no Blocks ID was found.
func (bq *BlocksQuery) FirstID(ctx context.Context) (id int, err error) {
var ids []int
if ids, err = bq.Limit(1).IDs(setContextOp(ctx, bq.ctx, "FirstID")); err != nil {
return
}
if len(ids) == 0 {
err = &NotFoundError{blocks.Label}
return
}
return ids[0], nil
}
// FirstIDX is like FirstID, but panics if an error occurs.
func (bq *BlocksQuery) FirstIDX(ctx context.Context) int {
id, err := bq.FirstID(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return id
}
// Only returns a single Blocks entity found by the query, ensuring it only returns one.
// Returns a *NotSingularError when more than one Blocks entity is found.
// Returns a *NotFoundError when no Blocks entities are found.
func (bq *BlocksQuery) Only(ctx context.Context) (*Blocks, error) {
nodes, err := bq.Limit(2).All(setContextOp(ctx, bq.ctx, "Only"))
if err != nil {
return nil, err
}
switch len(nodes) {
case 1:
return nodes[0], nil
case 0:
return nil, &NotFoundError{blocks.Label}
default:
return nil, &NotSingularError{blocks.Label}
}
}
// OnlyX is like Only, but panics if an error occurs.
func (bq *BlocksQuery) OnlyX(ctx context.Context) *Blocks {
node, err := bq.Only(ctx)
if err != nil {
panic(err)
}
return node
}
// OnlyID is like Only, but returns the only Blocks ID in the query.
// Returns a *NotSingularError when more than one Blocks ID is found.
// Returns a *NotFoundError when no entities are found.
func (bq *BlocksQuery) OnlyID(ctx context.Context) (id int, err error) {
var ids []int
if ids, err = bq.Limit(2).IDs(setContextOp(ctx, bq.ctx, "OnlyID")); err != nil {
return
}
switch len(ids) {
case 1:
id = ids[0]
case 0:
err = &NotFoundError{blocks.Label}
default:
err = &NotSingularError{blocks.Label}
}
return
}
// OnlyIDX is like OnlyID, but panics if an error occurs.
func (bq *BlocksQuery) OnlyIDX(ctx context.Context) int {
id, err := bq.OnlyID(ctx)
if err != nil {
panic(err)
}
return id
}
// All executes the query and returns a list of BlocksSlice.
func (bq *BlocksQuery) All(ctx context.Context) ([]*Blocks, error) {
ctx = setContextOp(ctx, bq.ctx, "All")
if err := bq.prepareQuery(ctx); err != nil {
return nil, err
}
qr := querierAll[[]*Blocks, *BlocksQuery]()
return withInterceptors[[]*Blocks](ctx, bq, qr, bq.inters)
}
// AllX is like All, but panics if an error occurs.
func (bq *BlocksQuery) AllX(ctx context.Context) []*Blocks {
nodes, err := bq.All(ctx)
if err != nil {
panic(err)
}
return nodes
}
// IDs executes the query and returns a list of Blocks IDs.
func (bq *BlocksQuery) IDs(ctx context.Context) (ids []int, err error) {
if bq.ctx.Unique == nil && bq.path != nil {
bq.Unique(true)
}
ctx = setContextOp(ctx, bq.ctx, "IDs")
if err = bq.Select(blocks.FieldID).Scan(ctx, &ids); err != nil {
return nil, err
}
return ids, nil
}
// IDsX is like IDs, but panics if an error occurs.
func (bq *BlocksQuery) IDsX(ctx context.Context) []int {
ids, err := bq.IDs(ctx)
if err != nil {
panic(err)
}
return ids
}
// Count returns the count of the given query.
func (bq *BlocksQuery) Count(ctx context.Context) (int, error) {
ctx = setContextOp(ctx, bq.ctx, "Count")
if err := bq.prepareQuery(ctx); err != nil {
return 0, err
}
return withInterceptors[int](ctx, bq, querierCount[*BlocksQuery](), bq.inters)
}
// CountX is like Count, but panics if an error occurs.
func (bq *BlocksQuery) CountX(ctx context.Context) int {
count, err := bq.Count(ctx)
if err != nil {
panic(err)
}
return count
}
// Exist returns true if the query has elements in the graph.
func (bq *BlocksQuery) Exist(ctx context.Context) (bool, error) {
ctx = setContextOp(ctx, bq.ctx, "Exist")
switch _, err := bq.FirstID(ctx); {
case IsNotFound(err):
return false, nil
case err != nil:
return false, fmt.Errorf("ent: check existence: %w", err)
default:
return true, nil
}
}
// ExistX is like Exist, but panics if an error occurs.
func (bq *BlocksQuery) ExistX(ctx context.Context) bool {
exist, err := bq.Exist(ctx)
if err != nil {
panic(err)
}
return exist
}
// Clone returns a duplicate of the BlocksQuery builder, including all associated steps. It can be
// used to prepare common query builders and use them differently after the clone is made.
func (bq *BlocksQuery) Clone() *BlocksQuery {
if bq == nil {
return nil
}
return &BlocksQuery{
config: bq.config,
ctx: bq.ctx.Clone(),
order: append([]blocks.OrderOption{}, bq.order...),
inters: append([]Interceptor{}, bq.inters...),
predicates: append([]predicate.Blocks{}, bq.predicates...),
withCaster: bq.withCaster.Clone(),
withMinedTxs: bq.withMinedTxs.Clone(),
// clone intermediate query.
sql: bq.sql.Clone(),
path: bq.path,
}
}
// WithCaster tells the query-builder to eager-load the nodes that are connected to
// the "Caster" edge. The optional arguments are used to configure the query builder of the edge.
func (bq *BlocksQuery) WithCaster(opts ...func(*ValidatorsQuery)) *BlocksQuery {
query := (&ValidatorsClient{config: bq.config}).Query()
for _, opt := range opts {
opt(query)
}
bq.withCaster = query
return bq
}
// WithMinedTxs tells the query-builder to eager-load the nodes that are connected to
// the "MinedTxs" edge. The optional arguments are used to configure the query builder of the edge.
func (bq *BlocksQuery) WithMinedTxs(opts ...func(*TransactionsQuery)) *BlocksQuery {
query := (&TransactionsClient{config: bq.config}).Query()
for _, opt := range opts {
opt(query)
}
bq.withMinedTxs = query
return bq
}
// GroupBy is used to group vertices by one or more fields/columns.
// It is often used with aggregate functions, like: count, max, mean, min, sum.
//
// Example:
//
// var v []struct {
// Hash string `json:"hash,omitempty"`
// Count int `json:"count,omitempty"`
// }
//
// client.Blocks.Query().
// GroupBy(blocks.FieldHash).
// Aggregate(ent.Count()).
// Scan(ctx, &v)
func (bq *BlocksQuery) GroupBy(field string, fields ...string) *BlocksGroupBy {
bq.ctx.Fields = append([]string{field}, fields...)
grbuild := &BlocksGroupBy{build: bq}
grbuild.flds = &bq.ctx.Fields
grbuild.label = blocks.Label
grbuild.scan = grbuild.Scan
return grbuild
}
// Select allows the selection one or more fields/columns for the given query,
// instead of selecting all fields in the entity.
//
// Example:
//
// var v []struct {
// Hash string `json:"hash,omitempty"`
// }
//
// client.Blocks.Query().
// Select(blocks.FieldHash).
// Scan(ctx, &v)
func (bq *BlocksQuery) Select(fields ...string) *BlocksSelect {
bq.ctx.Fields = append(bq.ctx.Fields, fields...)
sbuild := &BlocksSelect{BlocksQuery: bq}
sbuild.label = blocks.Label
sbuild.flds, sbuild.scan = &bq.ctx.Fields, sbuild.Scan
return sbuild
}
// Aggregate returns a BlocksSelect configured with the given aggregations.
func (bq *BlocksQuery) Aggregate(fns ...AggregateFunc) *BlocksSelect {
return bq.Select().Aggregate(fns...)
}
func (bq *BlocksQuery) prepareQuery(ctx context.Context) error {
for _, inter := range bq.inters {
if inter == nil {
return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
}
if trv, ok := inter.(Traverser); ok {
if err := trv.Traverse(ctx, bq); err != nil {
return err
}
}
}
for _, f := range bq.ctx.Fields {
if !blocks.ValidColumn(f) {
return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
}
}
if bq.path != nil {
prev, err := bq.path(ctx)
if err != nil {
return err
}
bq.sql = prev
}
return nil
}
func (bq *BlocksQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Blocks, error) {
var (
nodes = []*Blocks{}
_spec = bq.querySpec()
loadedTypes = [2]bool{
bq.withCaster != nil,
bq.withMinedTxs != nil,
}
)
_spec.ScanValues = func(columns []string) ([]any, error) {
return (*Blocks).scanValues(nil, columns)
}
_spec.Assign = func(columns []string, values []any) error {
node := &Blocks{config: bq.config}
nodes = append(nodes, node)
node.Edges.loadedTypes = loadedTypes
return node.assignValues(columns, values)
}
for i := range hooks {
hooks[i](ctx, _spec)
}
if err := sqlgraph.QueryNodes(ctx, bq.driver, _spec); err != nil {
return nil, err
}
if len(nodes) == 0 {
return nodes, nil
}
if query := bq.withCaster; query != nil {
if err := bq.loadCaster(ctx, query, nodes,
func(n *Blocks) { n.Edges.Caster = []*Validators{} },
func(n *Blocks, e *Validators) { n.Edges.Caster = append(n.Edges.Caster, e) }); err != nil {
return nil, err
}
}
if query := bq.withMinedTxs; query != nil {
if err := bq.loadMinedTxs(ctx, query, nodes,
func(n *Blocks) { n.Edges.MinedTxs = []*Transactions{} },
func(n *Blocks, e *Transactions) { n.Edges.MinedTxs = append(n.Edges.MinedTxs, e) }); err != nil {
return nil, err
}
}
return nodes, nil
}
func (bq *BlocksQuery) loadCaster(ctx context.Context, query *ValidatorsQuery, nodes []*Blocks, init func(*Blocks), assign func(*Blocks, *Validators)) error {
fks := make([]driver.Value, 0, len(nodes))
nodeids := make(map[int]*Blocks)
for i := range nodes {
fks = append(fks, nodes[i].ID)
nodeids[nodes[i].ID] = nodes[i]
if init != nil {
init(nodes[i])
}
}
query.withFKs = true
query.Where(predicate.Validators(func(s *sql.Selector) {
s.Where(sql.InValues(s.C(blocks.CasterColumn), fks...))
}))
neighbors, err := query.All(ctx)
if err != nil {
return err
}
for _, n := range neighbors {
fk := n.blocks_caster
if fk == nil {
return fmt.Errorf(`foreign-key "blocks_caster" is nil for node %v`, n.ID)
}
node, ok := nodeids[*fk]
if !ok {
return fmt.Errorf(`unexpected referenced foreign-key "blocks_caster" returned %v for node %v`, *fk, n.ID)
}
assign(node, n)
}
return nil
}
func (bq *BlocksQuery) loadMinedTxs(ctx context.Context, query *TransactionsQuery, nodes []*Blocks, init func(*Blocks), assign func(*Blocks, *Transactions)) error {
edgeIDs := make([]driver.Value, len(nodes))
byID := make(map[int]*Blocks)
nids := make(map[int]map[*Blocks]struct{})
for i, node := range nodes {
edgeIDs[i] = node.ID
byID[node.ID] = node
if init != nil {
init(node)
}
}
query.Where(func(s *sql.Selector) {
joinT := sql.Table(blocks.MinedTxsTable)
s.Join(joinT).On(s.C(transactions.FieldID), joinT.C(blocks.MinedTxsPrimaryKey[1]))
s.Where(sql.InValues(joinT.C(blocks.MinedTxsPrimaryKey[0]), edgeIDs...))
columns := s.SelectedColumns()
s.Select(joinT.C(blocks.MinedTxsPrimaryKey[0]))
s.AppendSelect(columns...)
s.SetDistinct(false)
})
if err := query.prepareQuery(ctx); err != nil {
return err
}
qr := QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
return query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
assign := spec.Assign
values := spec.ScanValues
spec.ScanValues = func(columns []string) ([]any, error) {
values, err := values(columns[1:])
if err != nil {
return nil, err
}
return append([]any{new(sql.NullInt64)}, values...), nil
}
spec.Assign = func(columns []string, values []any) error {
outValue := int(values[0].(*sql.NullInt64).Int64)
inValue := int(values[1].(*sql.NullInt64).Int64)
if nids[inValue] == nil {
nids[inValue] = map[*Blocks]struct{}{byID[outValue]: {}}
return assign(columns[1:], values[1:])
}
nids[inValue][byID[outValue]] = struct{}{}
return nil
}
})
})
neighbors, err := withInterceptors[[]*Transactions](ctx, query, qr, query.inters)
if err != nil {
return err
}
for _, n := range neighbors {
nodes, ok := nids[n.ID]
if !ok {
return fmt.Errorf(`unexpected "MinedTxs" node returned %v`, n.ID)
}
for kn := range nodes {
assign(kn, n)
}
}
return nil
}
func (bq *BlocksQuery) sqlCount(ctx context.Context) (int, error) {
_spec := bq.querySpec()
_spec.Node.Columns = bq.ctx.Fields
if len(bq.ctx.Fields) > 0 {
_spec.Unique = bq.ctx.Unique != nil && *bq.ctx.Unique
}
return sqlgraph.CountNodes(ctx, bq.driver, _spec)
}
func (bq *BlocksQuery) querySpec() *sqlgraph.QuerySpec {
_spec := sqlgraph.NewQuerySpec(blocks.Table, blocks.Columns, sqlgraph.NewFieldSpec(blocks.FieldID, field.TypeInt))
_spec.From = bq.sql
if unique := bq.ctx.Unique; unique != nil {
_spec.Unique = *unique
} else if bq.path != nil {
_spec.Unique = true
}
if fields := bq.ctx.Fields; len(fields) > 0 {
_spec.Node.Columns = make([]string, 0, len(fields))
_spec.Node.Columns = append(_spec.Node.Columns, blocks.FieldID)
for i := range fields {
if fields[i] != blocks.FieldID {
_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
}
}
}
if ps := bq.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
if limit := bq.ctx.Limit; limit != nil {
_spec.Limit = *limit
}
if offset := bq.ctx.Offset; offset != nil {
_spec.Offset = *offset
}
if ps := bq.order; len(ps) > 0 {
_spec.Order = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
return _spec
}
func (bq *BlocksQuery) sqlQuery(ctx context.Context) *sql.Selector {
builder := sql.Dialect(bq.driver.Dialect())
t1 := builder.Table(blocks.Table)
columns := bq.ctx.Fields
if len(columns) == 0 {
columns = blocks.Columns
}
selector := builder.Select(t1.Columns(columns...)...).From(t1)
if bq.sql != nil {
selector = bq.sql
selector.Select(selector.Columns(columns...)...)
}
if bq.ctx.Unique != nil && *bq.ctx.Unique {
selector.Distinct()
}
for _, p := range bq.predicates {
p(selector)
}
for _, p := range bq.order {
p(selector)
}
if offset := bq.ctx.Offset; offset != nil {
// limit is mandatory for offset clause. We start
// with default value, and override it below if needed.
selector.Offset(*offset).Limit(math.MaxInt32)
}
if limit := bq.ctx.Limit; limit != nil {
selector.Limit(*limit)
}
return selector
}
// BlocksGroupBy is the group-by builder for Blocks entities.
type BlocksGroupBy struct {
selector
build *BlocksQuery
}
// Aggregate adds the given aggregation functions to the group-by query.
func (bgb *BlocksGroupBy) Aggregate(fns ...AggregateFunc) *BlocksGroupBy {
bgb.fns = append(bgb.fns, fns...)
return bgb
}
// Scan applies the selector query and scans the result into the given value.
func (bgb *BlocksGroupBy) Scan(ctx context.Context, v any) error {
ctx = setContextOp(ctx, bgb.build.ctx, "GroupBy")
if err := bgb.build.prepareQuery(ctx); err != nil {
return err
}
return scanWithInterceptors[*BlocksQuery, *BlocksGroupBy](ctx, bgb.build, bgb, bgb.build.inters, v)
}
func (bgb *BlocksGroupBy) sqlScan(ctx context.Context, root *BlocksQuery, v any) error {
selector := root.sqlQuery(ctx).Select()
aggregation := make([]string, 0, len(bgb.fns))
for _, fn := range bgb.fns {
aggregation = append(aggregation, fn(selector))
}
if len(selector.SelectedColumns()) == 0 {
columns := make([]string, 0, len(*bgb.flds)+len(bgb.fns))
for _, f := range *bgb.flds {
columns = append(columns, selector.C(f))
}
columns = append(columns, aggregation...)
selector.Select(columns...)
}
selector.GroupBy(selector.Columns(*bgb.flds...)...)
if err := selector.Err(); err != nil {
return err
}
rows := &sql.Rows{}
query, args := selector.Query()
if err := bgb.build.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}
// BlocksSelect is the builder for selecting fields of Blocks entities.
type BlocksSelect struct {
*BlocksQuery
selector
}
// Aggregate adds the given aggregation functions to the selector query.
func (bs *BlocksSelect) Aggregate(fns ...AggregateFunc) *BlocksSelect {
bs.fns = append(bs.fns, fns...)
return bs
}
// Scan applies the selector query and scans the result into the given value.
func (bs *BlocksSelect) Scan(ctx context.Context, v any) error {
ctx = setContextOp(ctx, bs.ctx, "Select")
if err := bs.prepareQuery(ctx); err != nil {
return err
}
return scanWithInterceptors[*BlocksQuery, *BlocksSelect](ctx, bs.BlocksQuery, bs, bs.inters, v)
}
func (bs *BlocksSelect) sqlScan(ctx context.Context, root *BlocksQuery, v any) error {
selector := root.sqlQuery(ctx)
aggregation := make([]string, 0, len(bs.fns))
for _, fn := range bs.fns {
aggregation = append(aggregation, fn(selector))
}
switch n := len(*bs.selector.flds); {
case n == 0 && len(aggregation) > 0:
selector.Select(aggregation...)
case n != 0 && len(aggregation) > 0:
selector.AppendSelect(aggregation...)
}
rows := &sql.Rows{}
query, args := selector.Query()
if err := bs.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}