/
database.go
157 lines (134 loc) · 3.35 KB
/
database.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
package main
import (
"bytes"
"database/sql"
"fmt"
"github.com/famz/SetLocale"
"github.com/linkedin/goavro"
"github.com/vamitrou/pia-oracle/pialog"
"time"
_ "github.com/vamitrou/go-oci8"
)
func getDSN() string {
return fmt.Sprintf("%s/%s@%s:%d/%s",
conf.Database.Username,
conf.Database.Password,
conf.Database.Host,
conf.Database.Port,
conf.Database.ServiceName)
}
func GetData() {
SetLocale.SetLocale(SetLocale.LC_ALL, "de_DE")
dsn := getDSN()
db, err := sql.Open("oci8", dsn)
check(err)
defer db.Close()
if err != nil {
pialog.Error(err)
return
}
SelectDBData(db, conf.Database.Query)
}
func PushScores(scores []interface{}) {
SetLocale.SetLocale(SetLocale.LC_ALL, "de_DE")
dsn := getDSN()
db, err := sql.Open("oci8", dsn)
check(err)
defer db.Close()
tx, err := db.Begin()
check(err)
stmt := PrepareStatement(tx, conf.Database.QueryOut)
/*for _, score := range scores.Scores {
ExecuteInsert(stmt, score)
}*/
fails_count := 0
for _, score := range scores {
if s, ok := score.(map[string]interface{}); ok {
err = ExecuteScoreInsert(stmt, s)
if err != nil {
fails_count += 1
}
} else {
pialog.Error("Not a valid score:\n", score)
}
}
tx.Commit()
pialog.Info("Score failures count:", fails_count)
}
func PushVarIMP(var_imps []interface{}) {
SetLocale.SetLocale(SetLocale.LC_ALL, "de_DE")
dsn := getDSN()
db, err := sql.Open("oci8", dsn)
check(err)
defer db.Close()
tx, err := db.Begin()
check(err)
stmt := PrepareStatement(tx, conf.Database.QueryOutImp)
fails_count := 0
for _, var_imp := range var_imps {
if s, ok := var_imp.(map[string]interface{}); ok {
err = ExecuteImpInsert(stmt, s)
if err != nil {
fails_count += 1
}
} else {
pialog.Error("Not a valid var_imp:\n", var_imp)
}
}
tx.Commit()
pialog.Info("IMP failures count:", fails_count)
}
func SelectDBData(db *sql.DB, query string) {
defer timeTrack(time.Now(), "SelectDBData")
rows, err := db.Query(query)
check(err)
defer rows.Close()
columns, err := rows.Columns()
check(err)
values := make([]interface{}, len(columns))
scanArgs := make([]interface{}, len(values))
for i := range values {
scanArgs[i] = &values[i]
}
c := 0
var claims []interface{}
outerSchema, innerSchema, codec := LoadAvroSchema(conf.Avro.OuterSchema, conf.Avro.InnerSchema)
for rows.Next() {
c += 1
err = rows.Scan(scanArgs...)
check(err)
m := make(map[string]interface{})
claim, err := goavro.NewRecord(innerSchema)
check(err)
for i, colName := range columns {
if val, ok := values[i].(time.Time); ok {
claim.Set(colName, val.Unix())
m[colName] = val.Unix()
} else {
claim.Set(colName, values[i])
m[colName] = values[i]
}
}
claims = append(claims, claim)
if len(claims) == 3000 {
claims_avro, err := goavro.NewRecord(outerSchema)
check(err)
claims_avro.Set("claims", claims)
buf := new(bytes.Buffer)
err = codec.Encode(buf, claims_avro)
go Post(conf.Rest.PredictionEndpoint, buf.Bytes(), conf.Rest.AppHeader)
claims = make([]interface{}, 0)
}
}
if rows.Err() != nil {
pialog.Error(rows.Err())
}
claims_avro, err := goavro.NewRecord(outerSchema)
check(err)
claims_avro.Set("claims", claims)
buf := new(bytes.Buffer)
err = codec.Encode(buf, claims_avro)
check(err)
go Post(conf.Rest.PredictionEndpoint, buf.Bytes(), conf.Rest.AppHeader)
pialog.Info("Total input records:", c)
}