func CombineIn(operator string, f *dbox.Filter) string {
values := ""
for i, val := range f.Value.([]interface{}) {
if i == 0 {
values = f.Field + " " + operator + " (" + rdbms.StringValue(val, "oracle")
} else {
values += "," + rdbms.StringValue(val, "oracle")
}
}
values += ")"
return values
}
func (fb *FilterBuilder) BuildFilter(f *dbox.Filter) (interface{}, error) {
fm := ""
if f.Op == dbox.FilterOpEqual {
fm = fm + f.Field + "= " + rdbms.StringValue(f.Value, "oracle") + ""
} else if f.Op == dbox.FilterOpNoEqual {
fm = fm + f.Field + "<>" + rdbms.StringValue(f.Value, "oracle") + ""
} else if f.Op == dbox.FilterOpGt {
fm = fm + f.Field + " > " + rdbms.StringValue(f.Value, "oracle") + ""
} else if f.Op == dbox.FilterOpGte {
fm = fm + f.Field + " >= " + rdbms.StringValue(f.Value, "oracle") + ""
} else if f.Op == dbox.FilterOpLt {
fm = fm + f.Field + " < " + rdbms.StringValue(f.Value, "oracle") + ""
} else if f.Op == dbox.FilterOpLte {
fm = fm + f.Field + " <= " + rdbms.StringValue(f.Value, "oracle") + ""
} else if f.Op == dbox.FilterOpIn {
fm = CombineIn("IN", f)
} else if f.Op == dbox.FilterOpNin {
fm = CombineIn("NOT IN", f)
} else if f.Op == dbox.FilterOpContains {
fm = CombineIn("NOT IN", f)
} else if f.Op == dbox.FilterOpOr || f.Op == dbox.FilterOpAnd {
f
fs := f.Value.([]*dbox.Filter)
for _, ff := range fs {
bf, _ := fb.BuildFilter(ff)
if fm == "" {
fm = "(" + cast.ToString(bf)
} else {
if f.Op == dbox.FilterOpOr {
fm += " OR " + cast.ToString(bf)
} else {
fm += " AND " + cast.ToString(bf)
}
}
}
fm += ")"
} else {
//return nil, fmt.Errorf("Filter Op %s is not defined", f.Op)
}
return fm, nil
}
func (q *Query) Cursor(in toolkit.M) (dbox.ICursor, error) {
var e error
dbname := q.Connection().Info().Database
cursor := dbox.NewCursor(new(Cursor))
session := q.Session()
cursor.(*Cursor).session = session
// driverName := q.GetDriverDB()
driverName := q.Connection().(*Connection).GetDriver()
// driverName = "oracle"
var QueryString string
/*
parts will return E - map{interface{}}interface{}
where each interface{} returned is slice of interfaces --> []interface{}
*/
quyerParts := q.Parts()
c := crowd.From(&quyerParts)
groupParts := c.Group(func(x interface{}) interface{} {
return x.(*dbox.QueryPart).PartType
}, nil).Exec()
parts := map[interface{}]interface{}{}
if len(groupParts.Result.Data().([]crowd.KV)) > 0 {
for _, kv := range groupParts.Result.Data().([]crowd.KV) {
parts[kv.Key] = kv.Value
}
}
fromParts, hasFrom := parts[dbox.QueryPartFrom]
procedureParts, hasProcedure := parts["procedure"]
freeQueryParts, hasFreeQuery := parts["freequery"]
if hasFrom {
tablename := ""
tablename = fromParts.([]*dbox.QueryPart)[0].Value.(string)
selectParts, hasSelect := parts[dbox.QueryPartSelect]
var attribute string
incAtt := 0
if hasSelect {
for _, sl := range selectParts.([]*dbox.QueryPart) {
for _, fid := range sl.Value.([]string) {
if incAtt == 0 {
attribute = fid
} else {
attribute = attribute + ", " + fid
}
incAtt++
}
}
} else {
_, hasUpdate := parts[dbox.QueryPartUpdate]
_, hasInsert := parts[dbox.QueryPartInsert]
_, hasDelete := parts[dbox.QueryPartDelete]
_, hasSave := parts[dbox.QueryPartSave]
if hasUpdate || hasInsert || hasDelete || hasSave {
return nil, errorlib.Error(packageName, modQuery, "Cursor",
"Valid operation for a cursor is select only")
}
}
aggrParts, hasAggr := parts[dbox.QueryPartAggr]
var aggrExpression string
if hasAggr {
incAtt := 0
// for _, aggr := range aggrParts.([]interface{}) {
for _, aggr := range aggrParts.([]*dbox.QueryPart) {
// qp := aggr.(*dbox.QueryPart)
/* isi qp : &{AGGR {$sum 1 Total Item}}*/
aggrInfo := aggr.Value.(dbox.AggrInfo)
/* isi Aggr Info : {$sum 1 Total Item}*/
if incAtt == 0 {
aggrExpression = strings.Replace(aggrInfo.Op, "$", "", 1) + "(" +
cast.ToString(aggrInfo.Field) + ")" + " as \"" + aggrInfo.Alias + "\""
} else {
aggrExpression += ", " + strings.Replace(aggrInfo.Op, "$", "", 1) + "(" +
cast.ToString(aggrInfo.Field) + ")" + " as \"" + aggrInfo.Alias + "\""
}
incAtt++
}
/* isi Aggr Expression : sum(1) as 'Total Item', max(amount) as 'Max Amount', avg(amount) as 'Average Amount'*/
}
var where interface{}
whereParts, hasWhere := parts[dbox.QueryPartWhere]
if hasWhere {
fb := q.Connection().Fb()
for _, p := range whereParts.([]*dbox.QueryPart) {
fs := p.Value.([]*dbox.Filter)
for _, f := range fs {
if in != nil {
f = rdbms.ReadVariable(f, in)
}
fb.AddFilter(f)
}
}
where, e = fb.Build()
if e != nil {
return nil, errorlib.Error(packageName, modQuery, "Cursor",
e.Error())
}
}
var orderExpression string
orderParts, hasOrder := parts[dbox.QueryPartOrder]
if hasOrder {
qp := orderParts.([]*dbox.QueryPart)[0]
for i, fid := range qp.Value.([]string) {
if i == 0 {
if string(fid[0]) == "-" {
orderExpression = strings.Replace(fid, "-", "", 1) + " DESC"
} else {
orderExpression = fid + " ASC"
}
} else {
if string(fid[0]) == "-" {
orderExpression += ", " + strings.Replace(fid, "-", "", 1) + " DESC"
} else {
orderExpression += ", " + fid + " ASC"
}
}
}
// for _, oval := range orderParts.([]interface{}) {
// qp := oval.(*dbox.QueryPart)
// for i, fid := range qp.Value.([]string) {
// if i == 0 {
// if string(fid[0]) == "-" {
// orderExpression = strings.Replace(fid, "-", "", 1) + " DESC"
// } else {
// orderExpression = fid + " ASC"
// }
// } else {
// if string(fid[0]) == "-" {
// orderExpression += ", " + strings.Replace(fid, "-", "", 1) + " DESC"
// } else {
// orderExpression += ", " + fid + " ASC"
// }
// }
// }
// }
}
skip := 0
skipParts, hasSkip := parts[dbox.QueryPartSkip]
if hasSkip {
skip = skipParts.([]*dbox.QueryPart)[0].Value.(int)
}
take := 0
takeParts, hasTake := parts[dbox.QueryPartTake]
if hasTake {
take = takeParts.([]*dbox.QueryPart)[0].Value.(int)
}
partGroup, hasGroup := parts[dbox.QueryPartGroup]
var groupExpression string
if hasGroup {
for _, aggr := range partGroup.([]*dbox.QueryPart) {
// qp := aggr.(*dbox.QueryPart)
groupValue := aggr.Value.([]string)
for i, val := range groupValue {
if i == 0 {
groupExpression += val
} else {
groupExpression += ", " + val
}
}
}
/* isi group expression : GROUP BY nama*/
}
if dbname != "" && tablename != "" && e != nil && skip == 0 && take == 0 && where == nil {
}
if hasAggr {
if hasSelect && attribute != "" {
QueryString = "SELECT " + attribute + ", " + aggrExpression + " FROM " + tablename
} else {
QueryString = "SELECT " + aggrExpression + " FROM " + tablename
}
} else {
if attribute == "" {
QueryString = "SELECT * FROM " + tablename
} else {
QueryString = "SELECT " + attribute + " FROM " + tablename
}
}
if hasWhere {
QueryString += " WHERE " + cast.ToString(where)
}
if hasGroup {
QueryString += " GROUP BY " + groupExpression
}
if hasOrder {
QueryString += " ORDER BY " + orderExpression
}
if driverName == "mysql" {
if hasSkip && hasTake {
QueryString += " LIMIT " + cast.ToString(take) +
" OFFSET " + cast.ToString(skip)
} else if hasSkip && !hasTake {
QueryString += " LIMIT " + cast.ToString(9999999) +
" OFFSET " + cast.ToString(skip)
} else if hasTake && !hasSkip {
QueryString += " LIMIT " + cast.ToString(take)
}
} else if driverName == "mssql" {
if hasSkip && hasTake {
QueryString += " OFFSET " + cast.ToString(skip) + " ROWS FETCH NEXT " +
cast.ToString(take) + " ROWS ONLY "
} else if hasSkip && !hasTake {
QueryString += " OFFSET " + cast.ToString(skip) + " ROWS"
} else if hasTake && !hasSkip {
top := "SELECT TOP " + cast.ToString(take) + " "
QueryString = strings.Replace(QueryString, "SELECT", top, 1)
}
fmt.Println(" :: ", QueryString)
} else if driverName == "oracle" {
if hasSkip && hasTake {
QueryString = "SELECT " + attribute + ", rownum as rnum FROM (" + QueryString +
") where rownum <= " + cast.ToString(take+skip) + ")"
QueryString = "SELECT " + attribute + " FROM (" + QueryString + " WHERE rnum > " + cast.ToString(skip)
} else if hasSkip && !hasTake {
QueryString = "SELECT " + attribute + ", rownum as rnum FROM (" + QueryString + "))"
QueryString = "SELECT " + attribute + " FROM (" + QueryString + " WHERE rnum > " + cast.ToString(skip)
} else if hasTake && !hasSkip {
QueryString = "SELECT " + attribute + ", rownum as rnum FROM (" + QueryString +
") where rownum <= " + cast.ToString(take) + ")"
QueryString = "SELECT " + attribute + " FROM (" + QueryString
}
} else if driverName == "postgres" {
if hasSkip && hasTake {
QueryString += " LIMIT " + cast.ToString(take) +
" OFFSET " + cast.ToString(skip)
} else if hasSkip && !hasTake {
QueryString += " LIMIT ALL" +
" OFFSET " + cast.ToString(skip)
} else if hasTake && !hasSkip {
QueryString += " LIMIT " + cast.ToString(take)
}
}
// toolkit.Println("driverName : ", driverName, " == >", QueryString)
var querystmt string
if where != nil {
querystmt = "select count(*) from " + tablename +
" where " + cast.ToString(where)
} else {
querystmt = "select count(*) from " + tablename
}
/*populate fetch.count*/
var rowCount int
rows, _ := cursor.(*Cursor).session.Query(querystmt)
for rows.Next() {
rows.Scan(&rowCount)
}
if rowCount <= skip {
rowCount = 0
} else {
rowCount -= skip
}
if rowCount >= take && take > 0 {
rowCount = take
}
cursor.(*Cursor).count = rowCount
/*assign cursor.QueryString*/
cursor.(*Cursor).QueryString = QueryString
} else if hasProcedure {
procCommand := procedureParts.([]*dbox.QueryPart)[0].Value.(interface{})
spName := procCommand.(toolkit.M)["name"].(string) + " "
params, hasParam := procCommand.(toolkit.M)["parms"]
orderparam, hasOrder := procCommand.(toolkit.M)["orderparam"]
ProcStatement := ""
if driverName == "mysql" {
paramstring := ""
if hasParam && hasOrder {
paramToolkit := params.(toolkit.M)
orderString := orderparam.([]string)
for i := 0; i < len(paramToolkit); i++ {
if i == 0 {
if strings.Contains(orderString[i], "@@") {
paramstring = "(" + strings.Replace(orderString[i], "@@", "@", 1)
} else if rdbms.StringValue(paramToolkit[orderString[i]], driverName) != "''" {
paramstring = "(" + rdbms.StringValue(paramToolkit[orderString[i]], driverName)
} else {
paramstring = "("
}
} else {
if strings.Contains(orderString[i], "@@") {
paramstring += ", " + strings.Replace(orderString[i], "@@", "@", 1)
} else {
paramstring += ", " + rdbms.StringValue(paramToolkit[orderString[i]], driverName)
}
}
}
} else if hasParam && !hasOrder {
return nil, errorlib.Error(packageName, modQuery, "procedure", "please provide order parameter")
} else {
paramstring = "("
}
paramstring += ");"
ProcStatement = "CALL " + spName + paramstring
} else if driverName == "mssql" {
paramstring := ""
incParam := 0
if hasParam {
for key, val := range params.(toolkit.M) {
if key != "" {
if incParam == 0 {
paramstring = key + " = " + rdbms.StringValue(val, driverName) + ""
} else {
paramstring += ", " + key + " = " + rdbms.StringValue(val, driverName) + ""
}
incParam += 1
}
}
paramstring += ";"
}
ProcStatement = "EXECUTE " + spName + paramstring
} else if driverName == "oracle" {
var paramstring string
var variable string
var isEmpty bool
if hasParam && hasOrder {
paramToolkit := params.(toolkit.M)
orderString := orderparam.([]string)
for i := 0; i < len(paramToolkit); i++ {
if i == 0 {
if strings.Contains(orderString[i], "@@") {
variable = "var " + strings.Replace(orderString[i], "@@", "", 1) +
" " + cast.ToString(paramToolkit[orderString[i]]) + ";"
paramstring = "(" + strings.Replace(orderString[i], "@@", ":", 1)
isEmpty = false
} else if rdbms.StringValue(paramToolkit[orderString[i]], driverName) != "''" {
paramstring = "(" + rdbms.StringValue(paramToolkit[orderString[i]], driverName)
isEmpty = false
}
} else {
if strings.Contains(orderString[i], "@@") {
variable += "var " + strings.Replace(orderString[i], "@@", "", 1) +
" " + cast.ToString(paramToolkit[orderString[i]]) + ";"
paramstring += ", " + strings.Replace(orderString[i], "@@", ":", 1)
} else {
paramstring += ", " + rdbms.StringValue(paramToolkit[orderString[i]], driverName)
}
}
}
if !isEmpty {
paramstring += ");"
}
} else if hasParam && !hasOrder {
return nil, errorlib.Error(packageName, modQuery, "procedure", "please provide order parameter")
}
ProcStatement = variable + "EXECUTE " + spName + paramstring
} else if driverName == "postgres" {
paramstring := ""
if hasParam && hasOrder {
paramToolkit := params.(toolkit.M)
orderString := orderparam.([]string)
for i := 0; i < len(paramToolkit); i++ {
if i == 0 {
if strings.Contains(orderString[i], "@@") {
paramstring = "(" + strings.Replace(orderString[i], "@@", "@", 1)
} else if rdbms.StringValue(paramToolkit[orderString[i]], driverName) != "''" {
paramstring = "(" + rdbms.StringValue(paramToolkit[orderString[i]], driverName)
} else {
paramstring = "("
}
} else {
if strings.Contains(orderString[i], "@@") {
paramstring += ", " + strings.Replace(orderString[i], "@@", "@", 1)
} else {
paramstring += ", " + rdbms.StringValue(paramToolkit[orderString[i]], driverName)
}
}
// fmt.Println("Print value order", paramstring)
}
} else if hasParam && !hasOrder {
return nil, errorlib.Error(packageName, modQuery, "procedure", "please provide order parameter")
} else {
paramstring = "("
}
paramstring += ")"
ProcStatement = "SELECT " + spName + paramstring
}
cursor.(*Cursor).QueryString = ProcStatement
// fmt.Println("Proc Statement : ", ProcStatement)
} else if hasFreeQuery {
querySyntax := freeQueryParts.([]*dbox.QueryPart)[0].Value.(interface{})
syntax := querySyntax.(toolkit.M)["syntax"].(string)
cursor.(*Cursor).QueryString = syntax
}
return cursor, nil
}
func (q *Query) Exec(parm toolkit.M) error {
var e error
if parm == nil {
parm = toolkit.M{}
}
dbname := q.Connection().Info().Database
driverName := q.Connection().(*Connection).GetDriver()
// driverName = "oracle"
tablename := ""
if parm == nil {
parm = toolkit.M{}
}
data := parm.Get("data", nil)
// fmt.Println("Hasil ekstraksi Param : ", data)
/*========================EXTRACT FIELD, DATA AND FORMAT DATE=============================*/
var attributes string
var values string
var setUpdate, statement string
var i int
dataM, e := toolkit.ToM(data)
if e != nil {
return errorlib.Error(packageName, modQuery, "Exec: data extraction", "Data encoding error: "+e.Error())
}
if data != nil {
for field, val := range dataM {
namaField := field
dataValues := val
stringValues := rdbms.StringValue(dataValues, driverName)
if i == 0 {
attributes = "(" + namaField
values = "(" + stringValues
setUpdate = namaField + " = " + stringValues
} else {
attributes += ", " + namaField
values += ", " + stringValues
setUpdate += ", " + namaField + " = " + stringValues
}
i += 1
}
attributes += ")"
values += ")"
}
/*=================================END OF EXTRACTION=======================================*/
temp := ""
quyerParts := q.Parts()
c := crowd.From(&quyerParts)
groupParts := c.Group(func(x interface{}) interface{} {
qp := x.(*dbox.QueryPart)
temp = toolkit.JsonString(qp)
return qp.PartType
}, nil).Exec()
parts := map[interface{}]interface{}{}
if len(groupParts.Result.Data().([]crowd.KV)) > 0 {
for _, kv := range groupParts.Result.Data().([]crowd.KV) {
parts[kv.Key] = kv.Value
}
}
fromParts, hasFrom := parts[dbox.QueryPartFrom]
if !hasFrom {
return errorlib.Error(packageName, "Query", modQuery, "Invalid table name")
}
tablename = fromParts.([]*dbox.QueryPart)[0].Value.(string)
var where interface{}
whereParts, hasWhere := parts[dbox.QueryPartWhere]
if hasWhere {
fb := q.Connection().Fb()
for _, p := range whereParts.([]*dbox.QueryPart) {
fs := p.Value.([]*dbox.Filter)
for _, f := range fs {
fb.AddFilter(f)
}
}
where, e = fb.Build()
if e != nil {
} else {
}
}
commandType := ""
multi := false
_, hasDelete := parts[dbox.QueryPartDelete]
_, hasInsert := parts[dbox.QueryPartInsert]
_, hasUpdate := parts[dbox.QueryPartUpdate]
_, hasSave := parts[dbox.QueryPartSave]
if hasDelete {
commandType = dbox.QueryPartDelete
} else if hasInsert {
commandType = dbox.QueryPartInsert
} else if hasUpdate {
commandType = dbox.QueryPartUpdate
} else if hasSave {
commandType = dbox.QueryPartSave
}
var id string
var idVal interface{}
if data == nil {
multi = true
} else {
if where == nil {
id, idVal = toolkit.IdInfo(data)
if id != "" {
where = id + " = " + rdbms.StringValue(idVal, "non")
}
} else {
multi = true
}
}
session := q.Session()
if dbname != "" && tablename != "" && multi == true {
}
if commandType == dbox.QueryPartInsert {
if attributes != "" && values != "" {
statement = "INSERT INTO " + tablename + " " + attributes + " VALUES " + values
_, e = session.Exec(statement)
if e != nil {
fmt.Println(e.Error())
}
} else {
return errorlib.Error(packageName, modQuery+".Exec", commandType,
"please provide the data")
}
} else if commandType == dbox.QueryPartUpdate {
if setUpdate != "" {
var statement string
if where != nil {
statement = "UPDATE " + tablename + " SET " + setUpdate +
" WHERE " + cast.ToString(where)
} else {
statement = "UPDATE " + tablename + " SET " + setUpdate
}
_, e = session.Exec(statement)
if e != nil {
return errorlib.Error(packageName, modQuery+".Exec", commandType,
cast.ToString(e.Error()))
}
} else {
return errorlib.Error(packageName, modQuery+".Exec", commandType,
"please provide the data")
}
} else if commandType == dbox.QueryPartDelete {
var statement string
if where != nil {
statement = "DELETE FROM " + tablename + " where " + cast.ToString(where)
} else {
statement = "DELETE FROM " + tablename
}
_, e = session.Exec(statement)
if e != nil {
return errorlib.Error(packageName, modQuery+".Exec", commandType,
cast.ToString(e.Error()))
}
} else if commandType == dbox.QueryPartSave {
if attributes != "" && values != "" {
var querystmt string
if where != nil {
querystmt = "select 1 as data from " + tablename + " where " + cast.ToString(where)
}
var rowCount int
if querystmt != "" {
rows, _ := session.Query(querystmt)
for rows.Next() {
rows.Scan(&rowCount)
}
}
var statement string
if rowCount == 0 || where == nil {
statement = "INSERT INTO " + tablename + " " +
attributes + " VALUES " + values
} else {
statement = "UPDATE " + tablename + " SET " + setUpdate +
" WHERE " + cast.ToString(where)
}
_, e = session.Exec(statement)
if e != nil {
return errorlib.Error(packageName, modQuery+".Exec", commandType,
cast.ToString(e.Error()))
}
} else if values == "" {
return errorlib.Error(packageName, modQuery+".Exec", commandType,
"please provide the data")
}
}
if e != nil {
return errorlib.Error(packageName, modQuery+".Exec", commandType, e.Error())
}
defer session.Close()
return nil
}