Gleipnir/jet
4
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Improve database to golang name mapping.

Browse source
This commit is contained in:
go-jet 2019-07-03 16:27:14 +02:00
parent 3e7277015d
commit 950663dadb
19 changed files with 538 additions and 122 deletions
Download patch file Download diff file Expand all files Collapse all files

2
.circleci/config.yml
View file

@ -28,7 +28,7 @@ jobs:
command: |
go get github.com/google/uuid
go get github.com/lib/pq
go get github.com/serenize/snaker
go get github.com/pkg/profile
go get gotest.tools/assert
go get github.com/davecgh/go-spew/spew

2
clause.go
View file

@ -171,7 +171,7 @@ func (q *queryData) writeString(str string) {
}
func (q *queryData) writeIdentifier(name string) {
quoteWrap := name != strings.ToLower(name) || strings.Contains(name, ".")
quoteWrap := name != strings.ToLower(name) || strings.ContainsAny(name, ". -")
if quoteWrap {
q.writeString(`"` + name + `"`)

142
execution/execution.go
View file

@ -7,7 +7,7 @@ import (
"errors"
"fmt"
"github.com/go-jet/jet/execution/internal"
"github.com/serenize/snaker"
"github.com/go-jet/jet/internal/util"
"reflect"
"strconv"
"strings"
@ -139,10 +139,7 @@ func mapRowToSlice(scanContext *scanContext, groupKey string, slicePtrValue refl
if isGoBaseType(sliceElemType) {
index := 0
if structField != nil {
tableName, columnName := getRefAlias(structField)
index = scanContext.columnIndex(tableName, columnName)
if index < 0 {
if index = scanContext.aliasColumnIndex(structField.Tag.Get("alias")); index < 0 {
return
}
}
@ -293,28 +290,24 @@ func mapRowToDestinationValue(scanContext *scanContext, groupKey string, dest re
return
}
func mapRowToStruct(scanContext *scanContext, groupKey string, structPtrValue reflect.Value, structField *reflect.StructField, onlySlices ...bool) (updated bool, err error) {
func mapRowToStruct(scanContext *scanContext, groupKey string, structPtrValue reflect.Value, parentField *reflect.StructField, onlySlices ...bool) (updated bool, err error) {
structType := structPtrValue.Type().Elem()
structValue := structPtrValue.Elem()
tableName, _ := getRefAlias(structField)
if tableName == "" {
tableName = structType.Name()
}
typeName := getTypeName(structType, parentField)
for i := 0; i < structType.NumField(); i++ {
field := structType.Field(i)
fieldValue := structValue.Field(i)
columnName := field.Name
fieldName := field.Name
if scannerValue, ok := implementsScanner(fieldValue); ok {
if len(onlySlices) > 0 {
continue
}
cellValue := scanContext.getCellValue(tableName, columnName)
cellValue := scanContext.getCellValue(typeName, fieldName)
if cellValue == nil {
continue
@ -336,7 +329,7 @@ func mapRowToStruct(scanContext *scanContext, groupKey string, structPtrValue re
continue
}
cellValue := scanContext.getCellValue(tableName, columnName)
cellValue := scanContext.getCellValue(typeName, fieldName)
if cellValue != nil {
updated = true
@ -365,26 +358,20 @@ func mapRowToStruct(scanContext *scanContext, groupKey string, structPtrValue re
return
}
func getRefAlias(structField *reflect.StructField) (table, column string) {
if structField == nil {
return
func getTypeName(structType reflect.Type, parentField *reflect.StructField) string {
if parentField == nil {
return structType.Name()
}
aliasTag := structField.Tag.Get("alias")
aliasTag := parentField.Tag.Get("alias")
if aliasTag == "" {
return
return structType.Name()
}
aliasParts := strings.Split(aliasTag, ".")
table = aliasParts[0]
if len(aliasParts) > 1 {
column = aliasParts[1]
}
return
return aliasParts[0]
}
func initializeValueIfNilPtr(value reflect.Value) {
@ -533,12 +520,14 @@ type scanContext struct {
row []interface{}
uniqueDestObjectsMap map[string]int
columnNameIndexMap map[string]int
groupKeyInfoCache map[string]groupKeyInfo
aliasIndexMap map[string]int
goNameMap map[string]int
groupKeyInfoCache map[string]groupKeyInfo
}
func newScanContext(rows *sql.Rows) (*scanContext, error) {
columnNames, err := rows.Columns()
aliases, err := rows.Columns()
if err != nil {
return nil, err
@ -550,10 +539,24 @@ func newScanContext(rows *sql.Rows) (*scanContext, error) {
return nil, err
}
columnNameIndexMap := map[string]int{}
aliasIndexMap := map[string]int{}
for i, columnName := range columnNames {
columnNameIndexMap[strings.ToLower(columnName)] = i
for i, columnName := range aliases {
aliasIndexMap[strings.ToLower(columnName)] = i
}
goNamesMap := map[string]int{}
for i, alias := range aliases {
names := strings.SplitN(alias, ".", 2)
goName := util.ToGoIdentifier(names[0])
if len(names) > 1 {
goName += "." + util.ToGoIdentifier(names[1])
}
goNamesMap[strings.ToLower(goName)] = i
}
return &scanContext{
@ -561,8 +564,8 @@ func newScanContext(rows *sql.Rows) (*scanContext, error) {
uniqueDestObjectsMap: make(map[string]int),
groupKeyInfoCache: make(map[string]groupKeyInfo),
columnNameIndexMap: columnNameIndexMap,
aliasIndexMap: aliasIndexMap,
goNameMap: goNamesMap,
}, nil
}
@ -607,12 +610,8 @@ func (s *scanContext) constructGroupKey(groupKeyInfo groupKeyInfo) string {
return "{" + groupKeyInfo.typeName + "(" + strings.Join(groupKeys, ",") + strings.Join(subTypesGroupKeys, ",") + ")}"
}
func (s *scanContext) getGroupKeyInfo(structType reflect.Type, structField *reflect.StructField) groupKeyInfo {
tableName, _ := getRefAlias(structField)
if tableName == "" {
tableName = structType.Name()
}
func (s *scanContext) getGroupKeyInfo(structType reflect.Type, parentField *reflect.StructField) groupKeyInfo {
typeName := getTypeName(structType, parentField)
ret := groupKeyInfo{typeName: structType.Name()}
@ -635,7 +634,7 @@ func (s *scanContext) getGroupKeyInfo(structType reflect.Type, structField *refl
ret.subTypes = append(ret.subTypes, subType)
}
} else if isPrimaryKey(field) {
index := s.columnIndex(tableName, field.Name)
index := s.typeColumnIndex(typeName, field.Name)
if index < 0 {
continue
@ -654,47 +653,36 @@ type groupKeyInfo struct {
subTypes []groupKeyInfo
}
func (s *scanContext) columnIndex(tableName, columnName string) int {
if tableName == "" {
name := strings.ToLower(columnName)
if i, ok := s.columnNameIndexMap[name]; ok {
return i
}
func (s *scanContext) aliasColumnIndex(alias string) int {
index, ok := s.aliasIndexMap[alias]
name = strings.ToLower(snaker.CamelToSnake(columnName))
if i, ok := s.columnNameIndexMap[name]; ok {
return i
}
} else {
name := strings.ToLower(tableName + "." + columnName)
if i, ok := s.columnNameIndexMap[name]; ok {
return i
}
snakedTableName := snaker.CamelToSnake(tableName)
snakedColumnName := snaker.CamelToSnake(columnName)
name = strings.ToLower(snakedTableName + "." + snakedColumnName)
if i, ok := s.columnNameIndexMap[name]; ok {
return i
}
name = strings.ToLower(tableName + "." + snakedColumnName)
if i, ok := s.columnNameIndexMap[name]; ok {
return i
}
name = strings.ToLower(snakedTableName + "." + columnName)
if i, ok := s.columnNameIndexMap[name]; ok {
return i
}
if !ok {
return -1
}
return -1
return index
}
func (s *scanContext) getCellValue(tableName, fieldName string) interface{} {
index := s.columnIndex(tableName, fieldName)
func (s *scanContext) typeColumnIndex(typeName, fieldName string) int {
var key string
if typeName != "" {
key = strings.ToLower(typeName + "." + fieldName)
} else {
key = strings.ToLower(fieldName)
}
index, ok := s.goNameMap[key]
if !ok {
return -1
}
return index
}
func (s *scanContext) getCellValue(typeName, fieldName string) interface{} {
index := s.typeColumnIndex(typeName, fieldName)
if index < 0 {
return nil

4
generator/internal/metadata/postgres-metadata/column_info.go
View file

@ -3,7 +3,7 @@ package postgres_metadata
import (
"database/sql"
"fmt"
"github.com/serenize/snaker"
"github.com/go-jet/jet/internal/util"
"strings"
)
@ -44,7 +44,7 @@ func (c ColumnInfo) SqlBuilderColumnType() string {
func (c ColumnInfo) GoBaseType() string {
switch c.DataType {
case "USER-DEFINED":
return snaker.SnakeToCamel(c.EnumName)
return util.ToGoIdentifier(c.EnumName)
case "boolean":
return "bool"
case "smallint":

4
generator/internal/metadata/postgres-metadata/table_info.go
View file

@ -2,7 +2,7 @@ package postgres_metadata
import (
"database/sql"
"github.com/serenize/snaker"
"github.com/go-jet/jet/internal/util"
)
type TableInfo struct {
@ -58,7 +58,7 @@ func (t TableInfo) GetImports() []string {
}
func (t TableInfo) GoStructName() string {
return snaker.SnakeToCamel(t.name) + "Table"
return util.ToGoIdentifier(t.name) + "Table"
}
func GetTableInfo(db *sql.DB, dbName, schemaName, tableName string) (tableInfo TableInfo, err error) {

7
generator/internal/utils/utils.go
View file

@ -2,11 +2,10 @@ package utils
import (
"bytes"
"github.com/serenize/snaker"
"github.com/go-jet/jet/internal/util"
"go/format"
"os"
"path/filepath"
"strings"
"text/template"
"time"
)
@ -51,9 +50,7 @@ func EnsureDirPath(dirPath string) error {
func GenerateTemplate(templateText string, templateData interface{}) ([]byte, error) {
t, err := template.New("sqlBuilderTableTemplate").Funcs(template.FuncMap{
"camelize": func(txt string) string {
return snaker.SnakeToCamel(strings.Replace(txt, "-", "_", -1))
},
"ToGoIdentifier": util.ToGoIdentifier,
"now": func() string {
return time.Now().Format(time.RFC850)
},

3
generator/postgresgen/generator.go
View file

@ -6,6 +6,7 @@ import (
"github.com/go-jet/jet/generator/internal/metadata"
"github.com/go-jet/jet/generator/internal/metadata/postgres-metadata"
"github.com/go-jet/jet/generator/internal/utils"
"github.com/go-jet/jet/internal/util"
_ "github.com/lib/pq"
"path"
"path/filepath"
@ -115,7 +116,7 @@ func generate(schemaInfo postgres_metadata.SchemaInfo, dirPath, packageName stri
return err
}
err = utils.SaveGoFile(modelDirPath, metaData.Name(), append(autoGenWarning, text...))
err = utils.SaveGoFile(modelDirPath, util.ToGoFileName(metaData.Name()), append(autoGenWarning, text...))
if err != nil {
return err

38
generator/postgresgen/templates.go
View file

@ -2,13 +2,13 @@ package postgresgen
var autoGenWarningTemplate = `
//
// Code generated by go-jet DO NOT EDIT.
// Code generated by jetgen DO NOT EDIT.
// Generated at {{now}}
//
// WARNING: Changes to this file may cause incorrect behavior and will be lost
// if the code is regenerated
//
// Licence under ...
// Licence under github.com/go-jet/jet/LICENSE
//
`
@ -16,7 +16,7 @@ var autoGenWarningTemplate = `
var sqlBuilderTableTemplate = `
{{define "column-list" -}}
{{- range $i, $c := . }}
{{- if gt $i 0 }}, {{end}}{{camelize $c.Name}}Column
{{- if gt $i 0 }}, {{end}}{{ToGoIdentifier $c.Name}}Column
{{- end}}
{{- end}}
@ -26,14 +26,14 @@ import (
"github.com/go-jet/jet"
)
var {{camelize .Name}} = new{{.GoStructName}}()
var {{ToGoIdentifier .Name}} = new{{.GoStructName}}()
type {{.GoStructName}} struct {
jet.Table
//Columns
{{- range .Columns}}
{{camelize .Name}} jet.Column{{.SqlBuilderColumnType}}
{{ToGoIdentifier .Name}} jet.Column{{.SqlBuilderColumnType}}
{{- end}}
AllColumns jet.ColumnList
@ -52,7 +52,7 @@ func (a *{{.GoStructName}}) AS(alias string) *{{.GoStructName}} {
func new{{.GoStructName}}() *{{.GoStructName}} {
var (
{{- range .Columns}}
{{camelize .Name}}Column = jet.{{.SqlBuilderColumnType}}Column("{{.Name}}")
{{ToGoIdentifier .Name}}Column = jet.{{.SqlBuilderColumnType}}Column("{{.Name}}")
{{- end}}
)
@ -61,7 +61,7 @@ func new{{.GoStructName}}() *{{.GoStructName}} {
//Columns
{{- range .Columns}}
{{camelize .Name}}: {{camelize .Name}}Column,
{{ToGoIdentifier .Name}}: {{ToGoIdentifier .Name}}Column,
{{- end}}
AllColumns: jet.ColumnList{ {{template "column-list" .Columns}} },
@ -82,9 +82,9 @@ import (
{{end}}
type {{camelize .Name}} struct {
type {{ToGoIdentifier .Name}} struct {
{{- range .Columns}}
{{camelize .Name}} {{.GoModelType}} ` + "{{.GoModelTag ($.IsPrimaryKey .Name)}}" + `
{{ToGoIdentifier .Name}} {{.GoModelType}} ` + "{{.GoModelTag ($.IsPrimaryKey .Name)}}" + `
{{- end}}
}
`
@ -93,32 +93,32 @@ var enumModelTemplate = `package model
import "errors"
type {{camelize $.Name}} string
type {{ToGoIdentifier $.Name}} string
const (
{{- range $index, $element := .Values}}
{{camelize $.Name}}_{{camelize $element}} {{camelize $.Name}} = "{{$element}}"
{{ToGoIdentifier $.Name}}_{{ToGoIdentifier $element}} {{ToGoIdentifier $.Name}} = "{{$element}}"
{{- end}}
)
func (e *{{camelize $.Name}}) Scan(value interface{}) error {
func (e *{{ToGoIdentifier $.Name}}) Scan(value interface{}) error {
if v, ok := value.(string); !ok {
return errors.New("Invalid data for {{camelize $.Name}} enum")
return errors.New("Invalid data for {{ToGoIdentifier $.Name}} enum")
} else {
switch string(v) {
{{- range $index, $element := .Values}}
case "{{$element}}":
*e = {{camelize $.Name}}_{{camelize $element}}
*e = {{ToGoIdentifier $.Name}}_{{ToGoIdentifier $element}}
{{- end}}
default:
return errors.New("Inavlid data " + string(v) + "for {{camelize $.Name}} enum")
return errors.New("Inavlid data " + string(v) + "for {{ToGoIdentifier $.Name}} enum")
}
return nil
}
}
func (e {{camelize $.Name}}) String() string {
func (e {{ToGoIdentifier $.Name}}) String() string {
return string(e)
}
@ -127,13 +127,13 @@ var enumTypeTemplate = `package enum
import "github.com/go-jet/jet"
var {{camelize $.Name}} = &struct {
var {{ToGoIdentifier $.Name}} = &struct {
{{- range $index, $element := .Values}}
{{camelize $element}} jet.StringExpression
{{ToGoIdentifier $element}} jet.StringExpression
{{- end}}
} {
{{- range $index, $element := .Values}}
{{camelize $element}}: jet.NewEnumValue("{{$element}}"),
{{ToGoIdentifier $element}}: jet.NewEnumValue("{{$element}}"),
{{- end}}
}
`

192
internal/3rdparty/snaker/snaker.go vendored Normal file
View file

@ -0,0 +1,192 @@
package snaker
// Package snaker provides methods to convert CamelCase names to snake_case and back.
// It considers the list of allowed initialsms used by github.com/golang/lint/golint (e.g. ID or HTTP)
import (
"strings"
"unicode"
)
// CamelToSnake converts a given string to snake case
func CamelToSnake(s string) string {
var result string
var words []string
var lastPos int
rs := []rune(s)
for i := 0; i < len(rs); i++ {
if i > 0 && unicode.IsUpper(rs[i]) {
if initialism := startsWithInitialism(s[lastPos:]); initialism != "" {
words = append(words, initialism)
i += len(initialism) - 1
lastPos = i
continue
}
words = append(words, s[lastPos:i])
lastPos = i
}
}
// append the last word
if s[lastPos:] != "" {
words = append(words, s[lastPos:])
}
for k, word := range words {
if k > 0 {
result += "_"
}
result += strings.ToLower(word)
}
return result
}
func snakeToCamel(s string, upperCase bool) string {
if len(s) == 0 {
return s
}
var result string
words := strings.Split(s, "_")
//// if there is no underscore, first try commons and then just return
//if len(words) == 1 {
// if exception := snakeToCamelExceptions[words[0]]; len(exception) > 0 {
// return exception
// }
//
// if upperCase {
// if upper := strings.ToUpper(words[0]); commonInitialisms[upper] {
// return upper
// }
// }
//
// w := []rune(s)
// if upperCase {
// w[0] = unicode.ToUpper(w[0])
// } else {
// w[0] = unicode.ToLower(w[0])
// }
//
// return string(w)
//}
for i, word := range words {
if exception := snakeToCamelExceptions[word]; len(exception) > 0 {
result += exception
continue
}
if upperCase || i > 0 {
if upper := strings.ToUpper(word); commonInitialisms[upper] {
result += upper
continue
}
}
if upperCase || i > 0 {
result += camelizeWord(word, len(words) > 1)
} else {
result += word
}
}
return result
}
func camelizeWord(word string, force bool) string {
runes := []rune(word)
for i, r := range runes {
if i == 0 {
runes[i] = unicode.ToUpper(r)
} else {
if !force && unicode.IsLower(r) { // already camelCase
return string(runes)
}
runes[i] = unicode.ToLower(r)
}
}
return string(runes)
}
// SnakeToCamel returns a string converted from snake case to uppercase
func SnakeToCamel(s string) string {
return snakeToCamel(s, true)
}
// SnakeToCamelLower returns a string converted from snake case to lowercase
func SnakeToCamelLower(s string) string {
return snakeToCamel(s, false)
}
// startsWithInitialism returns the initialism if the given string begins with it
func startsWithInitialism(s string) string {
var initialism string
// the longest initialism is 5 char, the shortest 2
for i := 1; i <= 5; i++ {
if len(s) > i-1 && commonInitialisms[s[:i]] {
initialism = s[:i]
}
}
return initialism
}
// commonInitialisms, taken from
// https://github.com/golang/lint/blob/206c0f020eba0f7fbcfbc467a5eb808037df2ed6/lint.go#L731
var commonInitialisms = map[string]bool{
"ACL": true,
"API": true,
"ASCII": true,
"CPU": true,
"CSS": true,
"DNS": true,
"EOF": true,
"ETA": true,
"GPU": true,
"GUID": true,
"HTML": true,
"HTTP": true,
"HTTPS": true,
"ID": true,
"IP": true,
"JSON": true,
"LHS": true,
"OS": true,
"QPS": true,
"RAM": true,
"RHS": true,
"RPC": true,
"SLA": true,
"SMTP": true,
"SQL": true,
"SSH": true,
"TCP": true,
"TLS": true,
"TTL": true,
"UDP": true,
"UI": true,
"UID": true,
"UUID": true,
"URI": true,
"URL": true,
"UTF8": true,
"VM": true,
"XML": true,
"XMPP": true,
"XSRF": true,
"XSS": true,
"OAuth": true,
}
// add exceptions here for things that are not automatically convertable
var snakeToCamelExceptions = map[string]string{
"oauth": "OAuth",
}

13
internal/3rdparty/snaker/snaker_suite_test.go vendored Normal file
View file

@ -0,0 +1,13 @@
package snaker
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"testing"
)
func TestDb(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Snaker Suite")
}

121
internal/3rdparty/snaker/snaker_test.go vendored Normal file
View file

@ -0,0 +1,121 @@
package snaker
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Snaker", func() {
Describe("CamelToSnake test", func() {
It("should return an empty string on an empty input", func() {
Expect(CamelToSnake("")).To(Equal(""))
})
It("should work with one word", func() {
Expect(CamelToSnake("One")).To(Equal("one"))
})
It("should return an uppercase string as seperate words", func() {
Expect(CamelToSnake("ONE")).To(Equal("o_n_e"))
})
It("should return ID as lowercase", func() {
Expect(CamelToSnake("ID")).To(Equal("id"))
})
It("should work with a single lowercase character", func() {
Expect(CamelToSnake("i")).To(Equal("i"))
})
It("should work with a single uppcase character", func() {
Expect(CamelToSnake("I")).To(Equal("i"))
})
It("should return a long text as expected", func() {
Expect(CamelToSnake("ThisHasToBeConvertedCorrectlyID")).To(
Equal("this_has_to_be_converted_correctly_id"))
})
It("should return the text as expected if the initialism is in the middle", func() {
Expect(CamelToSnake("ThisIDIsFine")).To(Equal("this_id_is_fine"))
})
It("should work with long initialism", func() {
Expect(CamelToSnake("ThisHTTPSConnection")).To(Equal("this_https_connection"))
})
It("should work with multi initialisms", func() {
Expect(CamelToSnake("HelloHTTPSConnectionID")).To(Equal("hello_https_connection_id"))
})
It("sould work with concat initialisms", func() {
Expect(CamelToSnake("HTTPSID")).To(Equal("https_id"))
})
It("sould work with initialism where only certain characters are uppercase", func() {
Expect(CamelToSnake("OAuthClient")).To(Equal("oauth_client"))
})
})
Describe("SnakeToCamel test", func() {
It("should return an empty string on an empty input", func() {
Expect(SnakeToCamel("")).To(Equal(""))
})
It("should not blow up on trailing _", func() {
Expect(SnakeToCamel("potato_")).To(Equal("Potato"))
})
It("should return a snaked text as camel case", func() {
Expect(SnakeToCamel("this_has_to_be_uppercased")).To(
Equal("ThisHasToBeUppercased"))
})
It("should return a snaked text as camel case, except the word ID", func() {
Expect(SnakeToCamel("this_is_an_id")).To(Equal("ThisIsAnID"))
})
It("should return 'id' not as uppercase", func() {
Expect(SnakeToCamel("this_is_an_identifier")).To(Equal("ThisIsAnIdentifier"))
})
It("should simply work with id", func() {
Expect(SnakeToCamel("id")).To(Equal("ID"))
})
It("sould work with initialism where only certain characters are uppercase", func() {
Expect(SnakeToCamel("oauth_client")).To(Equal("OAuthClient"))
})
})
Describe("SnakeToCamelLower test", func() {
It("should return an empty string on an empty input", func() {
Ω(SnakeToCamelLower("")).To(Equal(""))
})
It("should not blow up on trailing _", func() {
Ω(SnakeToCamelLower("potato_")).To(Equal("potato"))
})
It("should return a snaked text as camel case", func() {
Ω(SnakeToCamelLower("this_has_to_be_uppercased")).To(
Equal("thisHasToBeUppercased"))
})
It("should return a snaked text as camel case, except the word ID", func() {
Ω(SnakeToCamelLower("this_is_an_id")).To(Equal("thisIsAnID"))
})
It("should return 'id' not as uppercase", func() {
Ω(SnakeToCamelLower("this_is_an_identifier")).To(Equal("thisIsAnIdentifier"))
})
It("should simply work with id", func() {
Ω(SnakeToCamelLower("id")).To(Equal("id"))
})
It("should simply work with leading id", func() {
Ω(SnakeToCamelLower("id_me_please")).To(Equal("idMePlease"))
})
})
})

23
internal/util/utils.go Normal file
View file

@ -0,0 +1,23 @@
package util
import (
"github.com/go-jet/jet/internal/3rdparty/snaker"
"strings"
)
func ToGoIdentifier(databaseIdentifier string) string {
if len(databaseIdentifier) == 0 {
return databaseIdentifier
}
databaseIdentifier = strings.ReplaceAll(databaseIdentifier, " ", "_")
databaseIdentifier = strings.ReplaceAll(databaseIdentifier, "-", "_")
return snaker.SnakeToCamel(databaseIdentifier)
}
func ToGoFileName(databaseIdentifier string) string {
databaseIdentifier = strings.ReplaceAll(databaseIdentifier, " ", "_")
databaseIdentifier = strings.ReplaceAll(databaseIdentifier, "-", "_")
return strings.ToLower(databaseIdentifier)
}

24
internal/util/utils_test.go Normal file
View file

@ -0,0 +1,24 @@
package util
import (
"github.com/stretchr/testify/assert"
"testing"
)
func TestToGoIdentifier(t *testing.T) {
assert.Equal(t, ToGoIdentifier("uuid"), "UUID")
assert.Equal(t, ToGoIdentifier("col1"), "Col1")
assert.Equal(t, ToGoIdentifier("PG-13"), "Pg13")
assert.Equal(t, ToGoIdentifier("13_pg"), "13Pg")
assert.Equal(t, ToGoIdentifier("mytable"), "Mytable")
assert.Equal(t, ToGoIdentifier("MYTABLE"), "Mytable")
assert.Equal(t, ToGoIdentifier("MyTaBlE"), "MyTaBlE")
assert.Equal(t, ToGoIdentifier("myTaBlE"), "MyTaBlE")
assert.Equal(t, ToGoIdentifier("my_table"), "MyTable")
assert.Equal(t, ToGoIdentifier("MY_TABLE"), "MyTable")
assert.Equal(t, ToGoIdentifier("My_Table"), "MyTable")
assert.Equal(t, ToGoIdentifier("My Table"), "MyTable")
assert.Equal(t, ToGoIdentifier("My-Table"), "MyTable")
}

6
table.go
View file

@ -98,12 +98,6 @@ type writableTableInterfaceImpl struct {
}
func (w *writableTableInterfaceImpl) INSERT(columns ...column) InsertStatement {
//columnList := unwidColumnList(columns)
//
//if len(columns) == 0 {
// columnList = w.parent.columns()
//}
return newInsertStatement(w.parent, unwidColumnList(columns))
}

32
tests/init/data/test_sample.sql
View file

@ -198,4 +198,34 @@ CREATE TABLE test_sample.person(
DROP TYPE IF EXISTS test_sample.MOOD CASCADE;
CREATE TYPE test_sample.MOOD AS ENUM ('sad', 'ok', 'happy');
CREATE TYPE test_sample.MOOD AS ENUM ('sad', 'ok', 'happy');
-- WEIRD TABLE NAMES --------------
DROP TABLE IF EXISTS test_sample."WEIRD NAMES TABLE";
CREATE TABLE test_sample."WEIRD NAMES TABLE"(
"weird_column_name1" varchar(100) NOT NULL,
"Weird_Column_Name2" varchar(100) NOT NULL,
"wEiRd_cOluMn_nAmE3" varchar(100) NOT NULL,
"WeIrd_CoLuMN_Name4" varchar(100) NOT NULL,
"WEIRD_COLUMN_NAME5" varchar(100) NOT NULL,
"WeirdColumnName6" varchar(100) NOT NULL,
"weirdColumnName7" varchar(100) NOT NULL,
"weirdcolumnname8" varchar(100),
"weird col name9" varchar(100) NOT NULL,
"wEiRd cOlu nAmE10" varchar(100) NOT NULL,
"WEIRD COLU NAME11" varchar(100) NOT NULL,
"Weird Colu Name12" varchar(100) NOT NULL,
"weird-col-name13" varchar(100) NOT NULL,
"wEiRd-cOlu-nAmE14" varchar(100) NOT NULL,
"WEIRD-COLU-NAME15" varchar(100) NOT NULL,
"Weird-Colu-Name16" varchar(100) NOT NULL
);
INSERT INTO test_sample."WEIRD NAMES TABLE"
VALUES ('Doe', 'Doe', 'Doe', 'Doe','Doe', 'Doe', 'Doe', 'Doe','Doe', 'Doe', 'Doe', 'Doe','Doe', 'Doe', 'Doe', 'Doe');

32
tests/sample_test.go
View file

@ -116,3 +116,35 @@ ORDER BY employee.employee_id;
ManagerID: int32Ptr(3),
})
}
func TestWierdNamesTable(t *testing.T) {
stmt := WeirdNamesTable.SELECT(WeirdNamesTable.AllColumns)
fmt.Println(stmt.DebugSql())
dest := []model.WeirdNamesTable{}
err := stmt.Query(db, &dest)
assert.NilError(t, err)
assert.Equal(t, len(dest), 1)
assert.DeepEqual(t, dest[0], model.WeirdNamesTable{
WeirdColumnName1: "Doe",
WeirdColumnName2: "Doe",
WeirdColumnName3: "Doe",
WeirdColumnName4: "Doe",
WeirdColumnName5: "Doe",
WeirdColumnName6: "Doe",
WeirdColumnName7: "Doe",
Weirdcolumnname8: stringPtr("Doe"),
WeirdColName9: "Doe",
WeirdColuName10: "Doe",
WeirdColuName11: "Doe",
WeirdColuName12: "Doe",
WeirdColName13: "Doe",
WeirdColuName14: "Doe",
WeirdColuName15: "Doe",
WeirdColuName16: "Doe",
})
}

6
tests/scan_test.go
View file

@ -467,7 +467,7 @@ func TestScanToSlice(t *testing.T) {
t.Run("slice of structs with slice of ints", func(t *testing.T) {
var dest []struct {
model.Film
IDs []int32 `alias:"Inventory.inventory_id"`
IDs []int32 `alias:"inventory.inventory_id"`
}
err := query.Query(db, &dest)
@ -483,7 +483,7 @@ func TestScanToSlice(t *testing.T) {
t.Run("slice of structs with slice of pointer to ints", func(t *testing.T) {
var dest []struct {
model.Film
IDs []*int32 `alias:"inventory.InventoryId"`
IDs []*int32 `alias:"inventory.inventory_id"`
}
err := query.Query(db, &dest)
@ -796,7 +796,7 @@ var store1 = model.Store{
LastUpdate: *timestampWithoutTimeZone("2006-02-15 09:57:12", 0),
}
var pgRating = model.MpaaRating_PG
var pgRating = model.MpaaRating_Pg
var gRating = model.MpaaRating_G
var language1 = model.Language{

5
tests/select_test.go
View file

@ -291,7 +291,7 @@ LIMIT 15;
query := Film.
INNER_JOIN(Language, Film.LanguageID.EQ(Language.LanguageID)).
SELECT(Language.AllColumns, Film.AllColumns).
WHERE(Film.Rating.EQ(enum.MpaaRating.NC17)).
WHERE(Film.Rating.EQ(enum.MpaaRating.Nc17)).
LIMIT(15)
assertStatementSql(t, query, expectedSql, int64(15))
@ -304,7 +304,7 @@ LIMIT 15;
englishFilms := filmsPerLanguage[0]
assert.Equal(t, *englishFilms.Film[0].Rating, model.MpaaRating_NC17)
assert.Equal(t, *englishFilms.Film[0].Rating, model.MpaaRating_Nc17)
filmsPerLanguageWithPtrs := []*FilmsPerLanguage{}
err = query.Query(db, &filmsPerLanguageWithPtrs)
@ -1237,6 +1237,7 @@ ORDER BY actor.actor_id ASC, film.film_id ASC;
}
func TestQuickStartWithSubQueries(t *testing.T) {
filmLogerThan180 := Film.
SELECT(Film.AllColumns).
WHERE(Film.Length.GT(Int(180))).

4
utils.go
View file

@ -2,7 +2,7 @@ package jet
import (
"errors"
"github.com/serenize/snaker"
"github.com/go-jet/jet/internal/util"
"reflect"
"strings"
)
@ -145,7 +145,7 @@ func unwindRowFromModel(columns []column, data interface{}) []clause {
for _, column := range columns {
columnName := column.Name()
structFieldName := snaker.SnakeToCamel(columnName)
structFieldName := util.ToGoIdentifier(columnName)
structField := structValue.FieldByName(structFieldName)