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Commit def86507 authored by Johannes Goderbauer's avatar Johannes Goderbauer
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temporary changes for the sql-library 

[Projekt: Entwicklung - Neon][TicketNr.: 1023706][Bearbeitung - Auswahl der Verknüpfungen durch Lookup-Komponente]
parent 133e9f02
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entity/History_entity/conditionProcess.js
+ 1
− 1
View file @ def86507
......@@ -8,7 +8,7 @@ var rowId, conditionStr, preparedValues
,sqlHelper;
conditionStr = "";
preparedValues = [];
sqlHelper = new SqlUtils();
sqlHelper = new LegacySqlUtils();
if ((rowId = vars.getString("$param.RowId_param"))){
conditionStr += " and HISTORYLINK.ROW_ID = ? ";
......
entity/Pers_entity/conditionProcess.js
+ 1
− 1
View file @ def86507
......@@ -7,7 +7,7 @@ var orgId, conditionStr, preparedValues
,sqlHelper;
conditionStr = "";
preparedValues = [];
sqlHelper = new SqlUtils();
sqlHelper = new LegacySqlUtils();
if (vars.exists("$param.OrgId_param") && (orgId = vars.getString("$param.OrgId_param"))){
conditionStr += " and RELATION.ORG_ID = ? ";
......
process/Sql_lib/process.js
+ 115
− 162
View file @ def86507
......@@ -5,214 +5,167 @@ import("system.datetime");
import("system.tools");
import("system.SQLTYPES");
import("Util_lib")
/**
*Class containing utilities for SQL
*
*@class
*/
function SqlUtils()
{
var that = this;
function SqlMaskingUtils(){
//TODO: use callbacks for different handling?
/**
* masks the function cast.
* masks the function cast of standard sql
*
* @param {String} pField req
* @param {String} pDatatype req the datatypes, which should be casted to
* (varchar, integer, char, decimal or the SQLTYPES-Constants
* sowie SQLTYPES.DATE)
* @param {Integer|Interger[]} pLength req the length of the data
* decimal: [length, decimals]
* @param {String} pAlias req the database alias
* @param {String} field name of the database field that shall be castet
* @param {String} [targetDatatype] a SQLTYPES-value of the following: SQLTYPES.CHAR, SQLTYPES.VARCHAR, SQLTYPES.INTEGER,
* SQLTYPES.DECIMAL, SQLTYPES.DATE
* @param {int|int[]} targetLength specifies the length of the target data type;
* <br/>- char/varchar: length
* <br/>- decimal: [length, decimals]
* @param {String} [alias=the current alias] the alias where the statement shall be executed (this is needed to determine the database-type)
*
* @return {String}
* @return {String} sql part to be included in sql-statements
*/
this.cast = function(pField, pDatatype, pLength, pAlias)
{
if (pAlias == undefined)
pAlias = vars.getString("$sys.dbalias");
var dbtype = db.getDatabaseType(pAlias);
var func = "";
var datatype = "";
switch(Number(dbtype))
{
case db.DBTYPE_ORACLE10_CLUSTER:
case db.DBTYPE_ORACLE10_THIN:
case db.DBTYPE_ORACLE10_OCI:
func = "cast";
switch(pDatatype)
{
case "char":
case SQLTYPES.CHAR:
datatype = "char";
break;
case "varchar":
this.cast = function (field, targetDatatype, targetLength, alias){
/* Some informations if you want to add supported databaseTypes or dataTypes:
* You should consider using the _mapDefaults function-expression (details in the functions doc)
* However you shouldn't use the function in a "default"-Block of a switch-case because of the following behaviour:
* If a datatype is not supported you just have to NOT specify "sqlDataType" (leave it "undefined") -> an error is then raised
* Therefore you should explicitly define which Data-type is supported and which is not
*/
var dbType, functionName, sqlPart, sqlDataType, _mapDefaults;
if (alias == undefined)
alias = vars.getString("$sys.dbalias");
dbType = db.getDatabaseType(alias);
functionName = "cast";//overwrite this in the "switch (dbType)" if needed with your DBMS
/**
* handles default-scenarios for mapping input-targetDatatype to a string for a sql-statement
* e.g. SQLTYPES.INTEGER --> int
* @param {Number} dataType input as a value of "SQLTYPES." that will be mapped to a string
* @return {String} the mapped dataType for using in a sql-statement
*/
_mapDefaults = function (dataType){
var res;
switch(dataType)
{
case SQLTYPES.CHAR:
res = "char";
break;
case SQLTYPES.VARCHAR:
res = "char";
break;
case SQLTYPES.INTEGER:
res = "int";
break;
case SQLTYPES.DECIMAL:
res = "decimal";
break;
case SQLTYPES.DATE:
res = "date";
break;
}
return res;
}
switch (dbType) {
case db.DBTYPE_DERBY10:
switch(targetDatatype) {
case SQLTYPES.VARCHAR:
datatype = "varchar2";
break;
case "integer":
case SQLTYPES.INTEGER:
datatype = "number(22,0)";
break;
case "decimal":
case SQLTYPES.DECIMAL:
datatype = "decimal";
break;
case SQLTYPES.DATE:
datatype = "date";
// Because of a Derby bug, you can't cast INTEGER into VARCHAR
// Therefor first cast to char then to varchar
// https://issues.apache.org/jira/browse/DERBY-2072
field = "rtrim(" + cast(field, SQLTYPES.CHAR, targetLength, alias) + ")";
sqlDataType = "varchar";
break;
}
break;
case db.DBTYPE_POSTGRESQL8:
func = "cast";
switch(pDatatype)
{
case "char":
case SQLTYPES.CHAR:
datatype = "char";
break;
case "varchar":
case SQLTYPES.VARCHAR:
datatype = "varchar";
//TODO: throw error if(targetLength > 254)? https://db.apache.org/derby/docs/10.14/ref/rrefsqlj13733.html
sqlDataType = "char";
break;
case "integer":
case SQLTYPES.INTEGER:
datatype = "numeric(22,0)";
break;
case "decimal":
case SQLTYPES.DECIMAL:
datatype = "numeric";
break;
case SQLTYPES.DATE:
return pField + "::date";
}
break;
case db.DBTYPE_SQLSERVER2000:
func = "cast";
switch(pDatatype)
{
case "char":
case SQLTYPES.CHAR:
datatype = "char";
break;
case "varchar":
case SQLTYPES.VARCHAR:
datatype = "varchar";
break;
case "integer":
case SQLTYPES.INTEGER:
datatype = "int";
break;
case "decimal":
case SQLTYPES.DECIMAL:
datatype = "decimal";
break;
case SQLTYPES.DATE:
datatype = "date";
sqlDataType = _mapDefaults(dataType);
break;
}
break;
case db.DBTYPE_MYSQL4:
case db.DBTYPE_MARIADB10:
func = "cast";
switch(pDatatype)
{
case "char":
case SQLTYPES.CHAR:
datatype = "char";
break;
case "varchar":
case db.DBTYPE_MYSQL4:
switch(targetDatatype) {
case SQLTYPES.VARCHAR:
datatype = "char";
break;
case "integer":
case SQLTYPES.CHAR:
case SQLTYPES.INTEGER:
datatype = "integer";
break;
case "decimal":
case SQLTYPES.DECIMAL:
datatype = "decimal";
break;
case SQLTYPES.DATE:
datatype = "date";
sqlDataType = _mapDefaults(targetDatatype);
break;
}
break;
case db.DBTYPE_DERBY10:
func = "cast";
if(pLength > 254)
pLength = 254;
case db.DBTYPE_ORACLE10_CLUSTER:
case db.DBTYPE_ORACLE10_THIN:
case db.DBTYPE_ORACLE10_OCI:
switch(pDatatype)
{
case "varchar":
case SQLTYPES.VARCHAR:
// Because of a Derby bug, you can't cast INTEGER into VARCHAR
// Therefor first cast to char then to varchar
// https://issues.apache.org/jira/browse/DERBY-2072
func = "rtrim(" + func;
pField = " cast( " + pField + " as char("+pLength+")) ";
datatype = "varchar";
pLength += ")";
break;
case "char":
case SQLTYPES.CHAR:
datatype = "char";
datatype = "varchar2";
break;
case "integer":
case SQLTYPES.INTEGER:
datatype = "int";
datatype = "number";
targetLength = "10"
break;
case "decimal":
case SQLTYPES.CHAR:
case SQLTYPES.DECIMAL:
datatype = "numeric";
break;
case SQLTYPES.DATE:
datatype = "date";
sqlDataType = _mapDefaults(targetDatatype);
break;
}
break;
case db.DBTYPE_FIREBIRD250:
func = "cast";
case db.DBTYPE_POSTGRESQL8:
switch(pDatatype)
{
case "char":
case SQLTYPES.DATE:
case SQLTYPES.DECIMAL:
case SQLTYPES.INTEGER:
case SQLTYPES.CHAR:
datatype = "char";
break;
case "varchar":
case SQLTYPES.VARCHAR:
datatype = "varchar";
break;
case "integer":
case SQLTYPES.INTEGER:
datatype = "numeric(22,0)";
break;
case "decimal":
case SQLTYPES.DECIMAL:
datatype = "numeric";
sqlDataType = _mapDefaults(targetDatatype);
break;
}
break;
case db.DBTYPE_SQLSERVER2000:
case SQLTYPES.DATE:
datatype = "date";
case SQLTYPES.DECIMAL:
case SQLTYPES.INTEGER:
case SQLTYPES.CHAR:
case SQLTYPES.VARCHAR:
sqlDataType = _mapDefaults(targetDatatype);
break;
}
case db.DBTYPE_FIREBIRD250:
//TODO: firebird support?
break;
}
if(pLength == undefined)
pLength = "";
else if(pLength != "")
if (sqlDataType == undefined) {
throw new Error("sqlDataType");//TODO: add usefull message
}
if(targetLength == undefined)
targetLength = "";
else if(targetLength != "")
{
if(typeof(pLength == "object") && (pLength instanceof Array))
pLength = "(" + pLength.join(", ") + ")";
if(typeof(targetLength == "object") && (targetLength instanceof Array))
targetLength = "(" + targetLength.join(", ") + ")";
else
pLength = "(" + pLength + ")";
targetLength = "(" + targetLength + ")";
}
sqlPart = functionName + "(" + field + " as " + sqlDataType + targetLength + ")";
return sqlPart;
}
}
return func + "(" + pField + " as " + datatype + pLength + ")";
}
/**
*Class containing utilities for SQL
*@deprecated use SqlMaskingUtils
*@class
*/
function LegacySqlUtils()
{
var that = this;
/**
* masks the cast function for lob datatypes(clob, blob)
*
......
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