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loader.go
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loader.go
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package tpch
import (
"context"
"database/sql"
"github.com/pingcap/go-tpc/pkg/sink"
"github.com/pingcap/go-tpc/tpch/dbgen"
)
type sqlLoader struct {
*sink.ConcurrentSink
context.Context
}
func (s *sqlLoader) WriteRow(values ...interface{}) error {
return s.ConcurrentSink.WriteRow(s.Context, values...)
}
func (s *sqlLoader) Flush() error {
return s.ConcurrentSink.Flush(s.Context)
}
type orderLoader struct {
sqlLoader
}
func (o *orderLoader) Load(item interface{}) error {
order := item.(*dbgen.Order)
return o.WriteRow(
order.OKey,
order.CustKey,
order.Status,
dbgen.FmtMoney(order.TotalPrice),
order.Date,
order.OrderPriority,
order.Clerk,
order.ShipPriority,
order.Comment,
)
}
type custLoader struct {
sqlLoader
}
func (c *custLoader) Load(item interface{}) error {
cust := item.(*dbgen.Cust)
return c.WriteRow(
cust.CustKey,
cust.Name,
cust.Address,
cust.NationCode,
cust.Phone,
dbgen.FmtMoney(cust.Acctbal),
cust.MktSegment,
cust.Comment,
)
}
type lineItemloader struct {
sqlLoader
}
func (l *lineItemloader) Load(item interface{}) error {
order := item.(*dbgen.Order)
for _, line := range order.Lines {
if err := l.WriteRow(
line.OKey,
line.PartKey,
line.SuppKey,
line.LCnt,
line.Quantity,
dbgen.FmtMoney(line.EPrice),
dbgen.FmtMoney(line.Discount),
dbgen.FmtMoney(line.Tax),
line.RFlag,
line.LStatus,
line.SDate,
line.CDate,
line.RDate,
line.ShipInstruct,
line.ShipMode,
line.Comment,
); err != nil {
return nil
}
}
return nil
}
type nationLoader struct {
sqlLoader
}
func (n *nationLoader) Load(item interface{}) error {
nation := item.(*dbgen.Nation)
return n.WriteRow(
nation.Code,
nation.Text,
nation.Join,
nation.Comment,
)
}
type partLoader struct {
sqlLoader
}
func (p *partLoader) Load(item interface{}) error {
part := item.(*dbgen.Part)
return p.WriteRow(
part.PartKey,
part.Name,
part.Mfgr,
part.Brand,
part.Type,
part.Size,
part.Container,
dbgen.FmtMoney(part.RetailPrice),
part.Comment,
)
}
type partSuppLoader struct {
sqlLoader
}
func (p *partSuppLoader) Load(item interface{}) error {
part := item.(*dbgen.Part)
for _, supp := range part.S {
if err := p.WriteRow(
supp.PartKey,
supp.SuppKey,
supp.Qty,
dbgen.FmtMoney(supp.SCost),
supp.Comment,
); err != nil {
return err
}
}
return nil
}
type suppLoader struct {
sqlLoader
}
func (s *suppLoader) Load(item interface{}) error {
supp := item.(*dbgen.Supp)
return s.WriteRow(
supp.SuppKey,
supp.Name,
supp.Address,
supp.NationCode,
supp.Phone,
dbgen.FmtMoney(supp.Acctbal),
supp.Comment,
)
}
type regionLoader struct {
sqlLoader
}
func (r *regionLoader) Load(item interface{}) error {
region := item.(*dbgen.Region)
return r.WriteRow(
region.Code,
region.Text,
region.Comment,
)
}
func NewOrderLoader(ctx context.Context, db *sql.DB, concurrency int) *orderLoader {
return &orderLoader{sqlLoader{
sink.NewConcurrentSink(func(idx int) sink.Sink {
return sink.NewSQLSink(db,
`INSERT INTO orders (O_ORDERKEY, O_CUSTKEY, O_ORDERSTATUS, O_TOTALPRICE, O_ORDERDATE, O_ORDERPRIORITY, O_CLERK, O_SHIPPRIORITY, O_COMMENT) VALUES `, 0, 0)
}, concurrency), ctx}}
}
func NewLineItemLoader(ctx context.Context, db *sql.DB, concurrency int) *lineItemloader {
return &lineItemloader{sqlLoader{
sink.NewConcurrentSink(func(idx int) sink.Sink {
return sink.NewSQLSink(db,
`INSERT INTO lineitem (L_ORDERKEY, L_PARTKEY, L_SUPPKEY, L_LINENUMBER, L_QUANTITY, L_EXTENDEDPRICE, L_DISCOUNT, L_TAX, L_RETURNFLAG, L_LINESTATUS, L_SHIPDATE, L_COMMITDATE, L_RECEIPTDATE, L_SHIPINSTRUCT, L_SHIPMODE, L_COMMENT) VALUES `, 0, 0)
}, concurrency), ctx}}
}
func NewCustLoader(ctx context.Context, db *sql.DB, concurrency int) *custLoader {
return &custLoader{sqlLoader{
sink.NewConcurrentSink(func(idx int) sink.Sink {
return sink.NewSQLSink(db,
`INSERT INTO customer (C_CUSTKEY, C_NAME, C_ADDRESS, C_NATIONKEY, C_PHONE, C_ACCTBAL, C_MKTSEGMENT, C_COMMENT) VALUES `, 0, 0)
}, concurrency), ctx}}
}
func NewPartLoader(ctx context.Context, db *sql.DB, concurrency int) *partLoader {
return &partLoader{sqlLoader{
sink.NewConcurrentSink(func(idx int) sink.Sink {
return sink.NewSQLSink(db,
`INSERT INTO part (P_PARTKEY, P_NAME, P_MFGR, P_BRAND, P_TYPE, P_SIZE, P_CONTAINER, P_RETAILPRICE, P_COMMENT) VALUES `, 0, 0)
}, concurrency), ctx}}
}
func NewPartSuppLoader(ctx context.Context, db *sql.DB, concurrency int) *partSuppLoader {
return &partSuppLoader{sqlLoader{
sink.NewConcurrentSink(func(idx int) sink.Sink {
return sink.NewSQLSink(db,
`INSERT INTO partsupp (PS_PARTKEY, PS_SUPPKEY, PS_AVAILQTY, PS_SUPPLYCOST, PS_COMMENT) VALUES `, 0, 0)
}, concurrency), ctx}}
}
func NewSuppLoader(ctx context.Context, db *sql.DB, concurrency int) *suppLoader {
return &suppLoader{sqlLoader{
sink.NewConcurrentSink(func(idx int) sink.Sink {
return sink.NewSQLSink(db,
`INSERT INTO supplier (S_SUPPKEY, S_NAME, S_ADDRESS, S_NATIONKEY, S_PHONE, S_ACCTBAL, S_COMMENT) VALUES `, 0, 0)
}, concurrency), ctx}}
}
func NewNationLoader(ctx context.Context, db *sql.DB, concurrency int) *nationLoader {
return &nationLoader{sqlLoader{
sink.NewConcurrentSink(func(idx int) sink.Sink {
return sink.NewSQLSink(db,
`INSERT INTO nation (N_NATIONKEY, N_NAME, N_REGIONKEY, N_COMMENT) VALUES `, 0, 0)
}, concurrency), ctx}}
}
func NewRegionLoader(ctx context.Context, db *sql.DB, concurrency int) *regionLoader {
return ®ionLoader{sqlLoader{
sink.NewConcurrentSink(func(idx int) sink.Sink {
return sink.NewSQLSink(db,
`INSERT INTO region (R_REGIONKEY, R_NAME, R_COMMENT) VALUES `, 0, 0)
}, concurrency), ctx}}
}