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composite_primary_key.yo.go
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composite_primary_key.yo.go
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// Code generated by yo. DO NOT EDIT.
// Package models contains the types.
package models
import (
"context"
"fmt"
"cloud.google.com/go/spanner"
"google.golang.org/api/iterator"
"google.golang.org/grpc/codes"
)
// CompositePrimaryKey represents a row from 'CompositePrimaryKeys'.
type CompositePrimaryKey struct {
ID int64 `spanner:"Id" json:"Id"` // Id
PKey1 string `spanner:"PKey1" json:"PKey1"` // PKey1
PKey2 int64 `spanner:"PKey2" json:"PKey2"` // PKey2
Error int64 `spanner:"Error" json:"Error"` // Error
X string `spanner:"X" json:"X"` // X
Y string `spanner:"Y" json:"Y"` // Y
Z string `spanner:"Z" json:"Z"` // Z
}
func CompositePrimaryKeyPrimaryKeys() []string {
return []string{
"PKey1",
"PKey2",
}
}
func CompositePrimaryKeyColumns() []string {
return []string{
"Id",
"PKey1",
"PKey2",
"Error",
"X",
"Y",
"Z",
}
}
func CompositePrimaryKeyWritableColumns() []string {
return []string{
"Id",
"PKey1",
"PKey2",
"Error",
"X",
"Y",
"Z",
}
}
func (cpk *CompositePrimaryKey) columnsToPtrs(cols []string) ([]interface{}, error) {
ret := make([]interface{}, 0, len(cols))
for _, col := range cols {
switch col {
case "Id":
ret = append(ret, yoDecode(&cpk.ID))
case "PKey1":
ret = append(ret, yoDecode(&cpk.PKey1))
case "PKey2":
ret = append(ret, yoDecode(&cpk.PKey2))
case "Error":
ret = append(ret, yoDecode(&cpk.Error))
case "X":
ret = append(ret, yoDecode(&cpk.X))
case "Y":
ret = append(ret, yoDecode(&cpk.Y))
case "Z":
ret = append(ret, yoDecode(&cpk.Z))
default:
return nil, fmt.Errorf("unknown column: %s", col)
}
}
return ret, nil
}
func (cpk *CompositePrimaryKey) columnsToValues(cols []string) ([]interface{}, error) {
ret := make([]interface{}, 0, len(cols))
for _, col := range cols {
switch col {
case "Id":
ret = append(ret, yoEncode(cpk.ID))
case "PKey1":
ret = append(ret, yoEncode(cpk.PKey1))
case "PKey2":
ret = append(ret, yoEncode(cpk.PKey2))
case "Error":
ret = append(ret, yoEncode(cpk.Error))
case "X":
ret = append(ret, yoEncode(cpk.X))
case "Y":
ret = append(ret, yoEncode(cpk.Y))
case "Z":
ret = append(ret, yoEncode(cpk.Z))
default:
return nil, fmt.Errorf("unknown column: %s", col)
}
}
return ret, nil
}
// newCompositePrimaryKey_Decoder returns a decoder which reads a row from *spanner.Row
// into CompositePrimaryKey. The decoder is not goroutine-safe. Don't use it concurrently.
func newCompositePrimaryKey_Decoder(cols []string) func(*spanner.Row) (*CompositePrimaryKey, error) {
return func(row *spanner.Row) (*CompositePrimaryKey, error) {
var cpk CompositePrimaryKey
ptrs, err := cpk.columnsToPtrs(cols)
if err != nil {
return nil, err
}
if err := row.Columns(ptrs...); err != nil {
return nil, err
}
return &cpk, nil
}
}
// Insert returns a Mutation to insert a row into a table. If the row already
// exists, the write or transaction fails.
func (cpk *CompositePrimaryKey) Insert(ctx context.Context) *spanner.Mutation {
values, _ := cpk.columnsToValues(CompositePrimaryKeyWritableColumns())
return spanner.Insert("CompositePrimaryKeys", CompositePrimaryKeyWritableColumns(), values)
}
// Update returns a Mutation to update a row in a table. If the row does not
// already exist, the write or transaction fails.
func (cpk *CompositePrimaryKey) Update(ctx context.Context) *spanner.Mutation {
values, _ := cpk.columnsToValues(CompositePrimaryKeyWritableColumns())
return spanner.Update("CompositePrimaryKeys", CompositePrimaryKeyWritableColumns(), values)
}
// InsertOrUpdate returns a Mutation to insert a row into a table. If the row
// already exists, it updates it instead. Any column values not explicitly
// written are preserved.
func (cpk *CompositePrimaryKey) InsertOrUpdate(ctx context.Context) *spanner.Mutation {
values, _ := cpk.columnsToValues(CompositePrimaryKeyWritableColumns())
return spanner.InsertOrUpdate("CompositePrimaryKeys", CompositePrimaryKeyWritableColumns(), values)
}
// Replace returns a Mutation to insert a row into a table, deleting any
// existing row. Unlike InsertOrUpdate, this means any values not explicitly
// written become NULL.
func (cpk *CompositePrimaryKey) Replace(ctx context.Context) *spanner.Mutation {
values, _ := cpk.columnsToValues(CompositePrimaryKeyWritableColumns())
return spanner.Replace("CompositePrimaryKeys", CompositePrimaryKeyWritableColumns(), values)
}
// UpdateColumns returns a Mutation to update specified columns of a row in a table.
func (cpk *CompositePrimaryKey) UpdateColumns(ctx context.Context, cols ...string) (*spanner.Mutation, error) {
// add primary keys to columns to update by primary keys
colsWithPKeys := append(cols, CompositePrimaryKeyPrimaryKeys()...)
values, err := cpk.columnsToValues(colsWithPKeys)
if err != nil {
return nil, newErrorWithCode(codes.InvalidArgument, "CompositePrimaryKey.UpdateColumns", "CompositePrimaryKeys", err)
}
return spanner.Update("CompositePrimaryKeys", colsWithPKeys, values), nil
}
// FindCompositePrimaryKey gets a CompositePrimaryKey by primary key
func FindCompositePrimaryKey(ctx context.Context, db YODB, pKey1 string, pKey2 int64) (*CompositePrimaryKey, error) {
_key := spanner.Key{yoEncode(pKey1), yoEncode(pKey2)}
row, err := db.ReadRow(ctx, "CompositePrimaryKeys", _key, CompositePrimaryKeyColumns())
if err != nil {
return nil, newError("FindCompositePrimaryKey", "CompositePrimaryKeys", err)
}
decoder := newCompositePrimaryKey_Decoder(CompositePrimaryKeyColumns())
cpk, err := decoder(row)
if err != nil {
return nil, newErrorWithCode(codes.Internal, "FindCompositePrimaryKey", "CompositePrimaryKeys", err)
}
return cpk, nil
}
// ReadCompositePrimaryKey retrieves multiples rows from CompositePrimaryKey by KeySet as a slice.
func ReadCompositePrimaryKey(ctx context.Context, db YODB, keys spanner.KeySet) ([]*CompositePrimaryKey, error) {
var res []*CompositePrimaryKey
decoder := newCompositePrimaryKey_Decoder(CompositePrimaryKeyColumns())
rows := db.Read(ctx, "CompositePrimaryKeys", keys, CompositePrimaryKeyColumns())
err := rows.Do(func(row *spanner.Row) error {
cpk, err := decoder(row)
if err != nil {
return err
}
res = append(res, cpk)
return nil
})
if err != nil {
return nil, newErrorWithCode(codes.Internal, "ReadCompositePrimaryKey", "CompositePrimaryKeys", err)
}
return res, nil
}
// Delete deletes the CompositePrimaryKey from the database.
func (cpk *CompositePrimaryKey) Delete(ctx context.Context) *spanner.Mutation {
values, _ := cpk.columnsToValues(CompositePrimaryKeyPrimaryKeys())
return spanner.Delete("CompositePrimaryKeys", spanner.Key(values))
}
// FindCompositePrimaryKeysByError retrieves multiple rows from 'CompositePrimaryKeys' as a slice of CompositePrimaryKey.
//
// Generated from index 'CompositePrimaryKeysByError'.
func FindCompositePrimaryKeysByError(ctx context.Context, db YODB, e int64) ([]*CompositePrimaryKey, error) {
const sqlstr = "SELECT " +
"Id, PKey1, PKey2, Error, X, Y, Z " +
"FROM CompositePrimaryKeys@{FORCE_INDEX=CompositePrimaryKeysByError} " +
"WHERE Error = @param0"
stmt := spanner.NewStatement(sqlstr)
stmt.Params["param0"] = yoEncode(e)
decoder := newCompositePrimaryKey_Decoder(CompositePrimaryKeyColumns())
// run query
YOLog(ctx, sqlstr, e)
iter := db.Query(ctx, stmt)
defer iter.Stop()
// load results
res := []*CompositePrimaryKey{}
for {
row, err := iter.Next()
if err != nil {
if err == iterator.Done {
break
}
return nil, newError("FindCompositePrimaryKeysByError", "CompositePrimaryKeys", err)
}
cpk, err := decoder(row)
if err != nil {
return nil, newErrorWithCode(codes.Internal, "FindCompositePrimaryKeysByError", "CompositePrimaryKeys", err)
}
res = append(res, cpk)
}
return res, nil
}
// ReadCompositePrimaryKeysByError retrieves multiples rows from 'CompositePrimaryKeys' by KeySet as a slice.
//
// This does not retrieve all columns of 'CompositePrimaryKeys' because an index has only columns
// used for primary key, index key and storing columns. If you need more columns, add storing
// columns or Read by primary key or Query with join.
//
// Generated from unique index 'CompositePrimaryKeysByError'.
func ReadCompositePrimaryKeysByError(ctx context.Context, db YODB, keys spanner.KeySet) ([]*CompositePrimaryKey, error) {
var res []*CompositePrimaryKey
columns := []string{
"PKey1",
"PKey2",
"Error",
}
decoder := newCompositePrimaryKey_Decoder(columns)
rows := db.ReadUsingIndex(ctx, "CompositePrimaryKeys", "CompositePrimaryKeysByError", keys, columns)
err := rows.Do(func(row *spanner.Row) error {
cpk, err := decoder(row)
if err != nil {
return err
}
res = append(res, cpk)
return nil
})
if err != nil {
return nil, newErrorWithCode(codes.Internal, "ReadCompositePrimaryKeysByError", "CompositePrimaryKeys", err)
}
return res, nil
}
// FindCompositePrimaryKeysByZError retrieves multiple rows from 'CompositePrimaryKeys' as a slice of CompositePrimaryKey.
//
// Generated from index 'CompositePrimaryKeysByError2'.
func FindCompositePrimaryKeysByZError(ctx context.Context, db YODB, e int64) ([]*CompositePrimaryKey, error) {
const sqlstr = "SELECT " +
"Id, PKey1, PKey2, Error, X, Y, Z " +
"FROM CompositePrimaryKeys@{FORCE_INDEX=CompositePrimaryKeysByError2} " +
"WHERE Error = @param0"
stmt := spanner.NewStatement(sqlstr)
stmt.Params["param0"] = yoEncode(e)
decoder := newCompositePrimaryKey_Decoder(CompositePrimaryKeyColumns())
// run query
YOLog(ctx, sqlstr, e)
iter := db.Query(ctx, stmt)
defer iter.Stop()
// load results
res := []*CompositePrimaryKey{}
for {
row, err := iter.Next()
if err != nil {
if err == iterator.Done {
break
}
return nil, newError("FindCompositePrimaryKeysByZError", "CompositePrimaryKeys", err)
}
cpk, err := decoder(row)
if err != nil {
return nil, newErrorWithCode(codes.Internal, "FindCompositePrimaryKeysByZError", "CompositePrimaryKeys", err)
}
res = append(res, cpk)
}
return res, nil
}
// ReadCompositePrimaryKeysByZError retrieves multiples rows from 'CompositePrimaryKeys' by KeySet as a slice.
//
// This does not retrieve all columns of 'CompositePrimaryKeys' because an index has only columns
// used for primary key, index key and storing columns. If you need more columns, add storing
// columns or Read by primary key or Query with join.
//
// Generated from unique index 'CompositePrimaryKeysByError2'.
func ReadCompositePrimaryKeysByZError(ctx context.Context, db YODB, keys spanner.KeySet) ([]*CompositePrimaryKey, error) {
var res []*CompositePrimaryKey
columns := []string{
"PKey1",
"PKey2",
"Error",
"Z",
}
decoder := newCompositePrimaryKey_Decoder(columns)
rows := db.ReadUsingIndex(ctx, "CompositePrimaryKeys", "CompositePrimaryKeysByError2", keys, columns)
err := rows.Do(func(row *spanner.Row) error {
cpk, err := decoder(row)
if err != nil {
return err
}
res = append(res, cpk)
return nil
})
if err != nil {
return nil, newErrorWithCode(codes.Internal, "ReadCompositePrimaryKeysByZError", "CompositePrimaryKeys", err)
}
return res, nil
}
// FindCompositePrimaryKeysByZYError retrieves multiple rows from 'CompositePrimaryKeys' as a slice of CompositePrimaryKey.
//
// Generated from index 'CompositePrimaryKeysByError3'.
func FindCompositePrimaryKeysByZYError(ctx context.Context, db YODB, e int64) ([]*CompositePrimaryKey, error) {
const sqlstr = "SELECT " +
"Id, PKey1, PKey2, Error, X, Y, Z " +
"FROM CompositePrimaryKeys@{FORCE_INDEX=CompositePrimaryKeysByError3} " +
"WHERE Error = @param0"
stmt := spanner.NewStatement(sqlstr)
stmt.Params["param0"] = yoEncode(e)
decoder := newCompositePrimaryKey_Decoder(CompositePrimaryKeyColumns())
// run query
YOLog(ctx, sqlstr, e)
iter := db.Query(ctx, stmt)
defer iter.Stop()
// load results
res := []*CompositePrimaryKey{}
for {
row, err := iter.Next()
if err != nil {
if err == iterator.Done {
break
}
return nil, newError("FindCompositePrimaryKeysByZYError", "CompositePrimaryKeys", err)
}
cpk, err := decoder(row)
if err != nil {
return nil, newErrorWithCode(codes.Internal, "FindCompositePrimaryKeysByZYError", "CompositePrimaryKeys", err)
}
res = append(res, cpk)
}
return res, nil
}
// ReadCompositePrimaryKeysByZYError retrieves multiples rows from 'CompositePrimaryKeys' by KeySet as a slice.
//
// This does not retrieve all columns of 'CompositePrimaryKeys' because an index has only columns
// used for primary key, index key and storing columns. If you need more columns, add storing
// columns or Read by primary key or Query with join.
//
// Generated from unique index 'CompositePrimaryKeysByError3'.
func ReadCompositePrimaryKeysByZYError(ctx context.Context, db YODB, keys spanner.KeySet) ([]*CompositePrimaryKey, error) {
var res []*CompositePrimaryKey
columns := []string{
"PKey1",
"PKey2",
"Error",
"Z",
"Y",
}
decoder := newCompositePrimaryKey_Decoder(columns)
rows := db.ReadUsingIndex(ctx, "CompositePrimaryKeys", "CompositePrimaryKeysByError3", keys, columns)
err := rows.Do(func(row *spanner.Row) error {
cpk, err := decoder(row)
if err != nil {
return err
}
res = append(res, cpk)
return nil
})
if err != nil {
return nil, newErrorWithCode(codes.Internal, "ReadCompositePrimaryKeysByZYError", "CompositePrimaryKeys", err)
}
return res, nil
}
// FindCompositePrimaryKeysByXY retrieves multiple rows from 'CompositePrimaryKeys' as a slice of CompositePrimaryKey.
//
// Generated from index 'CompositePrimaryKeysByXY'.
func FindCompositePrimaryKeysByXY(ctx context.Context, db YODB, x string, y string) ([]*CompositePrimaryKey, error) {
const sqlstr = "SELECT " +
"Id, PKey1, PKey2, Error, X, Y, Z " +
"FROM CompositePrimaryKeys@{FORCE_INDEX=CompositePrimaryKeysByXY} " +
"WHERE X = @param0 AND Y = @param1"
stmt := spanner.NewStatement(sqlstr)
stmt.Params["param0"] = yoEncode(x)
stmt.Params["param1"] = yoEncode(y)
decoder := newCompositePrimaryKey_Decoder(CompositePrimaryKeyColumns())
// run query
YOLog(ctx, sqlstr, x, y)
iter := db.Query(ctx, stmt)
defer iter.Stop()
// load results
res := []*CompositePrimaryKey{}
for {
row, err := iter.Next()
if err != nil {
if err == iterator.Done {
break
}
return nil, newError("FindCompositePrimaryKeysByXY", "CompositePrimaryKeys", err)
}
cpk, err := decoder(row)
if err != nil {
return nil, newErrorWithCode(codes.Internal, "FindCompositePrimaryKeysByXY", "CompositePrimaryKeys", err)
}
res = append(res, cpk)
}
return res, nil
}
// ReadCompositePrimaryKeysByXY retrieves multiples rows from 'CompositePrimaryKeys' by KeySet as a slice.
//
// This does not retrieve all columns of 'CompositePrimaryKeys' because an index has only columns
// used for primary key, index key and storing columns. If you need more columns, add storing
// columns or Read by primary key or Query with join.
//
// Generated from unique index 'CompositePrimaryKeysByXY'.
func ReadCompositePrimaryKeysByXY(ctx context.Context, db YODB, keys spanner.KeySet) ([]*CompositePrimaryKey, error) {
var res []*CompositePrimaryKey
columns := []string{
"PKey1",
"PKey2",
"X",
"Y",
}
decoder := newCompositePrimaryKey_Decoder(columns)
rows := db.ReadUsingIndex(ctx, "CompositePrimaryKeys", "CompositePrimaryKeysByXY", keys, columns)
err := rows.Do(func(row *spanner.Row) error {
cpk, err := decoder(row)
if err != nil {
return err
}
res = append(res, cpk)
return nil
})
if err != nil {
return nil, newErrorWithCode(codes.Internal, "ReadCompositePrimaryKeysByXY", "CompositePrimaryKeys", err)
}
return res, nil
}