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Update the schema to rename groups to ldapgroups #1

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Update the schema to rename groups to ldapgroups #1

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25 changes: 23 additions & 2 deletions postgres.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package main

import (
"database/sql"
"fmt"

_ "github.com/lib/pq"

Expand Down Expand Up @@ -50,9 +51,9 @@ CREATE TABLE IF NOT EXISTS users (
statement.Exec()
statement, _ = db.Prepare("CREATE UNIQUE INDEX IF NOT EXISTS idx_user_name on users(name)")
statement.Exec()
statement, _ = db.Prepare("CREATE TABLE IF NOT EXISTS groups (id SERIAL PRIMARY KEY, name TEXT NOT NULL, gidnumber INTEGER NOT NULL)")
statement, _ = db.Prepare("CREATE TABLE IF NOT EXISTS ldapgroups (id SERIAL PRIMARY KEY, name TEXT NOT NULL, gidnumber INTEGER NOT NULL)")
statement.Exec()
statement, _ = db.Prepare("CREATE UNIQUE INDEX IF NOT EXISTS idx_group_name on groups(name)")
statement, _ = db.Prepare("CREATE UNIQUE INDEX IF NOT EXISTS idx_group_name on ldapgroups(name)")
statement.Exec()
statement, _ = db.Prepare("CREATE TABLE IF NOT EXISTS includegroups (id SERIAL PRIMARY KEY, parentgroupid INTEGER NOT NULL, includegroupid INTEGER NOT NULL)")
statement.Exec()
Expand All @@ -66,4 +67,24 @@ func (b PostgresBackend) MigrateSchema(db *sql.DB, checker func(*sql.DB, string)
statement, _ := db.Prepare("ALTER TABLE users ADD COLUMN sshkeys TEXT DEFAULT ''")
statement.Exec()
}

if TableExists(db, "groups") {
// Drop the table created during schema creation
statement, _ := db.Prepare("DROP TABLE ldapgroups")
statement.Exec()

statement, _ = db.Prepare("ALTER TABLE groups RENAME TO ldapgroups")
statement.Exec()
}
}

// Indicates whether the table exists or not
func TableExists(db *sql.DB, tableName string) bool {
var found string
err := db.QueryRow(fmt.Sprintf("SELECT COUNT(id) FROM %s", tableName)).Scan(
&found)
if err != nil {
return false
}
return true
}