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DB Migrations (#67)

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This commit is contained in:
konrad
2019-03-29 17:54:35 +00:00
committed by Gitea
parent e21471a193
commit be5a17e993
127 changed files with 7917 additions and 1456 deletions
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174
vendor/github.com/go-xorm/xorm/dialect_postgres.go generated vendored
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@ -8,7 +8,6 @@ import (
"errors"
"fmt"
"net/url"
"sort"
"strconv"
"strings"
@ -765,14 +764,26 @@ var (
"YES": true,
"ZONE": true,
}
// DefaultPostgresSchema default postgres schema
DefaultPostgresSchema = "public"
)
const postgresPublicSchema = "public"
type postgres struct {
core.Base
}
func (db *postgres) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
return db.Base.Init(d, db, uri, drivername, dataSourceName)
err := db.Base.Init(d, db, uri, drivername, dataSourceName)
if err != nil {
return err
}
if db.Schema == "" {
db.Schema = DefaultPostgresSchema
}
return nil
}
func (db *postgres) SqlType(c *core.Column) string {
@ -869,32 +880,42 @@ func (db *postgres) IndexOnTable() bool {
}
func (db *postgres) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
args := []interface{}{tableName, idxName}
if len(db.Schema) == 0 {
args := []interface{}{tableName, idxName}
return `SELECT indexname FROM pg_indexes WHERE tablename = ? AND indexname = ?`, args
}
args := []interface{}{db.Schema, tableName, idxName}
return `SELECT indexname FROM pg_indexes ` +
`WHERE tablename = ? AND indexname = ?`, args
`WHERE schemaname = ? AND tablename = ? AND indexname = ?`, args
}
func (db *postgres) TableCheckSql(tableName string) (string, []interface{}) {
args := []interface{}{tableName}
return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
if len(db.Schema) == 0 {
args := []interface{}{tableName}
return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
}
args := []interface{}{db.Schema, tableName}
return `SELECT tablename FROM pg_tables WHERE schemaname = ? AND tablename = ?`, args
}
/*func (db *postgres) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
args := []interface{}{tableName, colName}
return "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ?" +
" AND column_name = ?", args
}*/
func (db *postgres) ModifyColumnSql(tableName string, col *core.Column) string {
return fmt.Sprintf("alter table %s ALTER COLUMN %s TYPE %s",
tableName, col.Name, db.SqlType(col))
if len(db.Schema) == 0 {
return fmt.Sprintf("alter table %s ALTER COLUMN %s TYPE %s",
tableName, col.Name, db.SqlType(col))
}
return fmt.Sprintf("alter table %s.%s ALTER COLUMN %s TYPE %s",
db.Schema, tableName, col.Name, db.SqlType(col))
}
func (db *postgres) DropIndexSql(tableName string, index *core.Index) string {
//var unique string
quote := db.Quote
idxName := index.Name
tableName = strings.Replace(tableName, `"`, "", -1)
tableName = strings.Replace(tableName, `.`, "_", -1)
if !strings.HasPrefix(idxName, "UQE_") &&
!strings.HasPrefix(idxName, "IDX_") {
if index.Type == core.UniqueType {
@ -903,13 +924,21 @@ func (db *postgres) DropIndexSql(tableName string, index *core.Index) string {
idxName = fmt.Sprintf("IDX_%v_%v", tableName, index.Name)
}
}
if db.Uri.Schema != "" {
idxName = db.Uri.Schema + "." + idxName
}
return fmt.Sprintf("DROP INDEX %v", quote(idxName))
}
func (db *postgres) IsColumnExist(tableName, colName string) (bool, error) {
args := []interface{}{tableName, colName}
query := "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = $1" +
" AND column_name = $2"
args := []interface{}{db.Schema, tableName, colName}
query := "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = $1 AND table_name = $2" +
" AND column_name = $3"
if len(db.Schema) == 0 {
args = []interface{}{tableName, colName}
query = "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = $1" +
" AND column_name = $2"
}
db.LogSQL(query, args)
rows, err := db.DB().Query(query, args...)
@ -922,8 +951,7 @@ func (db *postgres) IsColumnExist(tableName, colName string) (bool, error) {
}
func (db *postgres) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
// FIXME: the schema should be replaced by user custom's
args := []interface{}{tableName, "public"}
args := []interface{}{tableName}
s := `SELECT column_name, column_default, is_nullable, data_type, character_maximum_length, numeric_precision, numeric_precision_radix ,
CASE WHEN p.contype = 'p' THEN true ELSE false END AS primarykey,
CASE WHEN p.contype = 'u' THEN true ELSE false END AS uniquekey
@ -934,7 +962,15 @@ FROM pg_attribute f
LEFT JOIN pg_constraint p ON p.conrelid = c.oid AND f.attnum = ANY (p.conkey)
LEFT JOIN pg_class AS g ON p.confrelid = g.oid
LEFT JOIN INFORMATION_SCHEMA.COLUMNS s ON s.column_name=f.attname AND c.relname=s.table_name
WHERE c.relkind = 'r'::char AND c.relname = $1 AND s.table_schema = $2 AND f.attnum > 0 ORDER BY f.attnum;`
WHERE c.relkind = 'r'::char AND c.relname = $1%s AND f.attnum > 0 ORDER BY f.attnum;`
var f string
if len(db.Schema) != 0 {
args = append(args, db.Schema)
f = " AND s.table_schema = $2"
}
s = fmt.Sprintf(s, f)
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
@ -1024,9 +1060,13 @@ WHERE c.relkind = 'r'::char AND c.relname = $1 AND s.table_schema = $2 AND f.att
}
func (db *postgres) GetTables() ([]*core.Table, error) {
// FIXME: replace public to user customrize schema
args := []interface{}{"public"}
s := fmt.Sprintf("SELECT tablename FROM pg_tables WHERE schemaname = $1")
args := []interface{}{}
s := "SELECT tablename FROM pg_tables"
if len(db.Schema) != 0 {
args = append(args, db.Schema)
s = s + " WHERE schemaname = $1"
}
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
@ -1050,9 +1090,12 @@ func (db *postgres) GetTables() ([]*core.Table, error) {
}
func (db *postgres) GetIndexes(tableName string) (map[string]*core.Index, error) {
// FIXME: replace the public schema to user specify schema
args := []interface{}{"public", tableName}
s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE schemaname=$1 AND tablename=$2")
args := []interface{}{tableName}
s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE tablename=$1")
if len(db.Schema) != 0 {
args = append(args, db.Schema)
s = s + " AND schemaname=$2"
}
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
@ -1117,10 +1160,6 @@ func (vs values) Get(k string) (v string) {
return vs[k]
}
func errorf(s string, args ...interface{}) {
panic(fmt.Errorf("pq: %s", fmt.Sprintf(s, args...)))
}
func parseURL(connstr string) (string, error) {
u, err := url.Parse(connstr)
if err != nil {
@ -1131,46 +1170,18 @@ func parseURL(connstr string) (string, error) {
return "", fmt.Errorf("invalid connection protocol: %s", u.Scheme)
}
var kvs []string
escaper := strings.NewReplacer(` `, `\ `, `'`, `\'`, `\`, `\\`)
accrue := func(k, v string) {
if v != "" {
kvs = append(kvs, k+"="+escaper.Replace(v))
}
}
if u.User != nil {
v := u.User.Username()
accrue("user", v)
v, _ = u.User.Password()
accrue("password", v)
}
i := strings.Index(u.Host, ":")
if i < 0 {
accrue("host", u.Host)
} else {
accrue("host", u.Host[:i])
accrue("port", u.Host[i+1:])
}
if u.Path != "" {
accrue("dbname", u.Path[1:])
return escaper.Replace(u.Path[1:]), nil
}
q := u.Query()
for k := range q {
accrue(k, q.Get(k))
}
sort.Strings(kvs) // Makes testing easier (not a performance concern)
return strings.Join(kvs, " "), nil
return "", nil
}
func parseOpts(name string, o values) {
func parseOpts(name string, o values) error {
if len(name) == 0 {
return
return fmt.Errorf("invalid options: %s", name)
}
name = strings.TrimSpace(name)
@ -1179,31 +1190,48 @@ func parseOpts(name string, o values) {
for _, p := range ps {
kv := strings.Split(p, "=")
if len(kv) < 2 {
errorf("invalid option: %q", p)
return fmt.Errorf("invalid option: %q", p)
}
o.Set(kv[0], kv[1])
}
return nil
}
func (p *pqDriver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
db := &core.Uri{DbType: core.POSTGRES}
o := make(values)
var err error
if strings.HasPrefix(dataSourceName, "postgresql://") || strings.HasPrefix(dataSourceName, "postgres://") {
dataSourceName, err = parseURL(dataSourceName)
db.DbName, err = parseURL(dataSourceName)
if err != nil {
return nil, err
}
} else {
o := make(values)
err = parseOpts(dataSourceName, o)
if err != nil {
return nil, err
}
}
parseOpts(dataSourceName, o)
db.DbName = o.Get("dbname")
db.DbName = o.Get("dbname")
}
if db.DbName == "" {
return nil, errors.New("dbname is empty")
}
/*db.Schema = o.Get("schema")
if len(db.Schema) == 0 {
db.Schema = "public"
}*/
return db, nil
}
type pqDriverPgx struct {
pqDriver
}
func (pgx *pqDriverPgx) Parse(driverName, dataSourceName string) (*core.Uri, error) {
// Remove the leading characters for driver to work
if len(dataSourceName) >= 9 && dataSourceName[0] == 0 {
dataSourceName = dataSourceName[9:]
}
return pgx.pqDriver.Parse(driverName, dataSourceName)
}