gosora/query_gen/lib/install.go

60 lines
1.6 KiB
Go
Raw Normal View History

2017-07-12 11:05:18 +00:00
/* WIP Under Construction */
package qgen
var Install *installer
func init() {
Install = &installer{instructions: []DB_Install_Instruction{}}
2017-07-12 11:05:18 +00:00
}
type DB_Install_Instruction struct {
Table string
2017-07-12 11:05:18 +00:00
Contents string
Type string
2017-07-12 11:05:18 +00:00
}
// A set of wrappers around the generator methods, so we can use this in the installer
// TO-DO: Re-implement the query generation, query builder and installer adapters as layers on-top of a query text adapter
type installer struct {
adapter DB_Adapter
2017-07-12 11:05:18 +00:00
instructions []DB_Install_Instruction
}
func (install *installer) SetAdapter(name string) error {
adap, err := GetAdapter(name)
if err != nil {
return err
}
install.adapter = adap
return nil
}
func (install *installer) SetAdapterInstance(adapter DB_Adapter) {
install.adapter = adapter
}
func (install *installer) CreateTable(table string, charset string, collation string, columns []DB_Table_Column, keys []DB_Table_Key) error {
res, err := install.adapter.CreateTable("_installer", table, charset, collation, columns, keys)
if err != nil {
return err
}
install.instructions = append(install.instructions, DB_Install_Instruction{table, res, "create-table"})
2017-07-12 11:05:18 +00:00
return nil
}
func (install *installer) Write() error {
var inserts string
// We can't escape backticks, so we have to dump it out a file at a time
for _, instr := range install.instructions {
if instr.Type == "create-table" {
err := writeFile("./schema/"+install.adapter.GetName()+"/query_"+instr.Table+".sql", instr.Contents)
2017-07-12 11:05:18 +00:00
if err != nil {
return err
}
} else {
inserts += instr.Contents + "\n"
}
}
return writeFile("./schema/"+install.adapter.GetName()+"/inserts.sql", inserts)
2017-07-12 11:05:18 +00:00
}