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moneygo/internal/db/db.go
Aaron Lindsay 04d85cd681 Fix gorp to internally lowercase fields for Postgres
Postgres folds all unquoted column names to lowercase, and doing this
allows that to work nicely without screwing up the queries for the other
database engines.
2017-11-17 21:01:06 -05:00

60 lines
1.9 KiB
Go

package db
import (
"database/sql"
"fmt"
"github.com/aclindsa/gorp"
"github.com/aclindsa/moneygo/internal/config"
"github.com/aclindsa/moneygo/internal/handlers"
_ "github.com/go-sql-driver/mysql"
_ "github.com/lib/pq"
_ "github.com/mattn/go-sqlite3"
"log"
"strings"
)
const luaMaxLengthBuffer int = 4096
func GetDbMap(db *sql.DB, dbtype config.DbType) (*gorp.DbMap, error) {
var dialect gorp.Dialect
if dbtype == config.SQLite {
dialect = gorp.SqliteDialect{}
} else if dbtype == config.MySQL {
dialect = gorp.MySQLDialect{
Engine: "InnoDB",
Encoding: "UTF8",
}
} else if dbtype == config.Postgres {
dialect = gorp.PostgresDialect{
LowercaseFields: true,
}
} else {
return nil, fmt.Errorf("Don't know gorp dialect to go with '%s' DB type", dbtype.String())
}
dbmap := &gorp.DbMap{Db: db, Dialect: dialect}
dbmap.AddTableWithName(handlers.User{}, "users").SetKeys(true, "UserId")
dbmap.AddTableWithName(handlers.Session{}, "sessions").SetKeys(true, "SessionId")
dbmap.AddTableWithName(handlers.Account{}, "accounts").SetKeys(true, "AccountId")
dbmap.AddTableWithName(handlers.Security{}, "securities").SetKeys(true, "SecurityId")
dbmap.AddTableWithName(handlers.Transaction{}, "transactions").SetKeys(true, "TransactionId")
dbmap.AddTableWithName(handlers.Split{}, "splits").SetKeys(true, "SplitId")
dbmap.AddTableWithName(handlers.Price{}, "prices").SetKeys(true, "PriceId")
rtable := dbmap.AddTableWithName(handlers.Report{}, "reports").SetKeys(true, "ReportId")
rtable.ColMap("Lua").SetMaxSize(handlers.LuaMaxLength + luaMaxLengthBuffer)
err := dbmap.CreateTablesIfNotExists()
if err != nil {
return nil, err
}
return dbmap, nil
}
func GetDSN(dbtype config.DbType, dsn string) string {
if dbtype == config.MySQL && !strings.Contains(dsn, "parseTime=true") {
log.Fatalf("The DSN for MySQL MUST contain 'parseTime=True' but does not!")
}
return dsn
}