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feat: support dbName with operators in name (minus, ...) #322

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merged 4 commits into from
Sep 23, 2024
Merged

feat: support dbName with operators in name (minus, ...) #322

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2cd50d0
feat: support `dbName` with operators in name (minus, ...)
lucasfcnunes Sep 19, 2024
cbc1aaa
style:
lucasfcnunes Sep 19, 2024
924c3ba
fix: quoting makes identifiers case-sensitive
lucasfcnunes Sep 20, 2024
8650ffa
fix: missing fmt import
lucasfcnunes Sep 21, 2024
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8 changes: 5 additions & 3 deletions pkg/drivers/mysql/mysql.go
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ var (
schemaMigrations = []string{
`ALTER TABLE kine MODIFY COLUMN id BIGINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE, MODIFY COLUMN create_revision BIGINT UNSIGNED, MODIFY COLUMN prev_revision BIGINT UNSIGNED`,
}
createDB = "CREATE DATABASE IF NOT EXISTS "
createDB = "CREATE DATABASE IF NOT EXISTS `%s`;"
)

func New(ctx context.Context, dataSourceName string, tlsInfo tls.Config, connPoolConfig generic.ConnectionPoolConfig, metricsRegisterer prometheus.Registerer) (server.Backend, error) {
Expand Down Expand Up @@ -179,7 +179,9 @@ func createDBIfNotExist(dataSourceName string) error {
}

if !exists {
if _, err = db.Exec(createDB + dbName); err != nil {
stmt := fmt.Sprintf(createDB, dbName)
logrus.Tracef("SETUP EXEC : %v", util.Stripped(stmt))
if _, err = db.Exec(stmt); err != nil {
if mysqlError, ok := err.(*mysql.MySQLError); !ok || mysqlError.Number != 1049 {
return err
}
Expand All @@ -188,7 +190,7 @@ func createDBIfNotExist(dataSourceName string) error {
if err != nil {
return err
}
if _, err = db.Exec(createDB + dbName); err != nil {
if _, err = db.Exec(stmt); err != nil {
return err
}
}
Expand Down
10 changes: 7 additions & 3 deletions pkg/drivers/pgsql/pgsql.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package pgsql
import (
"context"
"database/sql"
"fmt"
"net/url"
"os"
"regexp"
Expand Down Expand Up @@ -50,7 +51,7 @@ var (
schemaMigrations = []string{
`ALTER TABLE kine ALTER COLUMN id SET DATA TYPE BIGINT, ALTER COLUMN create_revision SET DATA TYPE BIGINT, ALTER COLUMN prev_revision SET DATA TYPE BIGINT; ALTER SEQUENCE kine_id_seq AS BIGINT`,
}
createDB = "CREATE DATABASE "
createDB = `CREATE DATABASE "%s";`
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)

func New(ctx context.Context, dataSourceName string, tlsInfo tls.Config, connPoolConfig generic.ConnectionPoolConfig, metricsRegisterer prometheus.Registerer) (server.Backend, error) {
Expand Down Expand Up @@ -165,9 +166,8 @@ func createDBIfNotExist(dataSourceName string) error {
logrus.Warnf("failed to check existence of database %s, going to attempt create: %v", dbName, err)
}

stmt := createDB + dbName + ";"

if !exists {
stmt := fmt.Sprintf(createDB, dbName)
logrus.Tracef("SETUP EXEC : %v", util.Stripped(stmt))
if _, err = db.Exec(stmt); err != nil {
logrus.Warnf("failed to create database %s: %v", dbName, err)
Expand Down Expand Up @@ -202,6 +202,10 @@ func prepareDSN(dataSourceName string, tlsInfo tls.Config) (string, error) {
u.Path = "/kubernetes"
}

// makes quoting database and schema reference the same unquoted identifier
// See: https://www.postgresql.org/docs/12/sql-syntax-lexical.html#:~:text=unquoted%20names%20are%20always%20folded%20to%20lower%20case
u.Path = strings.ToLower(u.Path)

queryMap, err := url.ParseQuery(u.RawQuery)
if err != nil {
return "", err
Expand Down