IDEMPIERE-4962 Performance: change PostgreSQL native dialect mode default to true / revert partially f4894c4cb (#1138)

Regression for problem solved at IDEMPIERE-4465 Native Postgres - Error on Convert Layer
Revert the changes on Convert_PostgreSQL and Convert_PostgreSQLTest
Fix the Convert_PostgreSQLTest to allow testing native and non-native cases

org.compiere.db.postgresql.provider/src/org/compiere/dbPort/Convert_PostgreSQL.java

@@ -81,38 +81,9 @@ public class Convert_PostgreSQL extends Convert_SQL92 {
 	 */
 	protected ArrayList<String> convertStatement(String sqlStatement) {
 		ArrayList<String> result = new ArrayList<String>();
+		/** Vector to save previous values of quoted strings **/
+		Vector<String> retVars = new Vector<String>();
 
-		String statement = null;
-		if (DB_PostgreSQL.isUseNativeDialect()) {
-			statement = sqlStatement;
-			statement = convertSysDate(statement);
-			statement = convertSimilarTo(statement);
-		} else {
-			statement = convertOracleStatement(sqlStatement);
-		}		
-		result.add(statement);
-
-		if ("true".equals(System.getProperty("org.idempiere.db.debug"))) {
-			String filterPgDebug = System.getProperty("org.idempiere.db.debug.filter");
-			boolean print = true;
-			if (filterPgDebug != null)
-				print = statement.matches(filterPgDebug);
-			// log.warning("Oracle -> " + oraStatement);
-			if (print) {
-				log.warning("Oracle -> " + sqlStatement);
-				log.warning("PgSQL  -> " + statement);
-			}
-		}
-		return result;
-	} // convertStatement
-
-	/**
-	 * Convert Oracle SQL statement to PostgreSQL syntax
-	 * @param sqlStatement oracle sql statement
-	 * @return PostgreSQL statement
-	 */
-	public String convertOracleStatement(String sqlStatement) {
-		String statement;
 		String nonce = sharedNonce;
 
 		// check for collision with nonce
@@ -120,9 +91,16 @@ public class Convert_PostgreSQL extends Convert_SQL92 {
 		{
 			nonce = generateNonce();
 		}
-		/** Vector to save previous values of quoted strings **/
+
-		Vector<String> retVars = new Vector<String>();
+		String statement = replaceQuotedStrings(sqlStatement, retVars, nonce);
-		statement = replaceQuotedStrings(sqlStatement, retVars, nonce);			
+
+		if (DB_PostgreSQL.isUseNativeDialect()) {
+
+			statement = convertSysDate(statement);
+			statement = convertSimilarTo(statement);
+
+		} else {
+
 			statement = convertWithConvertMap(statement);
 			statement = convertSimilarTo(statement);
 			statement = DB_PostgreSQL.removeNativeKeyworkMarker(statement);
@@ -140,6 +118,7 @@ public class Convert_PostgreSQL extends Convert_SQL92 {
 			else if (isCreate && cmpString.indexOf(" VIEW ") != -1)
 				;
 			else if (cmpString.indexOf("ALTER TABLE") != -1) {
+				// See https://sourceforge.net/p/adempiere/bugs/655/
 				statement = recoverQuotedStrings(statement, retVars, nonce);
 				retVars.clear();
 				statement = convertDDL(convertComplexStatement(statement));
@@ -157,10 +136,24 @@ public class Convert_PostgreSQL extends Convert_SQL92 {
 			} else {
 				statement = convertComplexStatement(convertAlias(statement));
 			}
+		}
 		if (retVars.size() > 0)
 			statement = recoverQuotedStrings(statement, retVars, nonce);
-		return statement;
+		result.add(statement);
+
+		if ("true".equals(System.getProperty("org.idempiere.db.debug"))) {
+			String filterPgDebug = System.getProperty("org.idempiere.db.debug.filter");
+			boolean print = true;
+			if (filterPgDebug != null)
+				print = statement.matches(filterPgDebug);
+			// log.warning("Oracle -> " + oraStatement);
+			if (print) {
+				log.warning("Oracle -> " + sqlStatement);
+				log.warning("PgSQL  -> " + statement);
 			}
+		}
+		return result;
+	} // convertStatement
 
 	private String convertSysDate(String statement) {
 		String retValue = statement;

org.idempiere.test/src/org/idempiere/test/base/Convert_PostgreSQLTest.java

@@ -15,7 +15,9 @@ package org.idempiere.test.base;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-import org.compiere.dbPort.Convert_PostgreSQL;
+import org.compiere.util.DB;
+import org.compiere.util.Env;
+import org.compiere.util.Ini;
 import org.idempiere.test.AbstractTestCase;
 import org.junit.jupiter.api.Test;
 
@@ -25,15 +27,34 @@ import org.junit.jupiter.api.Test;
  * @version 20061225
  */
 public final class Convert_PostgreSQLTest extends AbstractTestCase {
-	private String sql;
+	//private Convert_PostgreSQL convert = new Convert_PostgreSQL();
-	private String sqe;
+	String sql;
-	private String r;
+	String sqe;
-	private Convert_PostgreSQL convert = new Convert_PostgreSQL();
+	String r;
+
+	private static final String P_POSTGRE_SQL_NATIVE = "PostgreSQLNative";
 
 	public Convert_PostgreSQLTest() {}
 
+	/**
+	 * Set the unit test for testing NOT NATIVE postgresql convert
+	 */
+	private void testNotNative() {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, false);
+	}
+
+	/**
+	 * Set the unit test for testing NATIVE postgresql convert
+	 */
+	private void testNative() {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, true);
+	}
+	
 	@Test
 	public void test1807657() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		sql = "UPDATE A_Asset a "
 			+ "SET (Name, Description)="
 			+ "(SELECT SUBSTR((SELECT bp.Name FROM C_BPartner bp WHERE bp.C_BPartner_ID=a.C_BPartner_ID) || ' - ' || p.Name,1,60), p.Description "
@@ -49,11 +70,17 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 			+ "WHERE p.M_Product_ID=A_Asset.M_Product_ID " 
 			+ "AND A_Asset.IsActive='Y' AND A_Asset.M_Product_ID=0";
 		
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	@Test
 	public void test1751966() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		sql = "UPDATE I_ReportLine i "
 			+ "SET (Description, SeqNo, IsSummary, IsPrinted, LineType, CalculationType, AmountType, PostingType)="
 			+ " (SELECT Description, SeqNo, IsSummary, IsPrinted, LineType, CalculationType, AmountType, PostingType"
@@ -76,13 +103,19 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 			+"ii.I_ReportLine_ID=(SELECT MIN(I_ReportLine_ID) FROM I_ReportLine iii "
 			+"WHERE I_ReportLine.Name=iii.Name AND I_ReportLine.PA_ReportLineSet_ID=iii.PA_ReportLineSet_ID)) "
 			+"AND I_ReportLine.I_IsImported='N' AND I_ReportLine.AD_Client_ID=0";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	//[ 1707959 ] Copy from other PrintFormat doesn't work anymore
 	@Test
 	public void test1707959() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		sql = "UPDATE AD_PrintFormatItem_Trl new " +
     		"SET (PrintName, PrintNameSuffix, IsTranslated) = (" +
     		"SELECT PrintName, PrintNameSuffix, IsTranslated " +
@@ -95,120 +128,156 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
     		" WHERE old.AD_Language=new.AD_Language" +
     		" AND AD_PrintFormatItem_ID =2)";
 		sqe = "UPDATE AD_PrintFormatItem_Trl SET PrintName=\"old\".PrintName,PrintNameSuffix=\"old\".PrintNameSuffix,IsTranslated=\"old\".IsTranslated FROM AD_PrintFormatItem_Trl \"old\" WHERE \"old\".AD_Language=AD_PrintFormatItem_Trl.AD_Language AND \"old\".AD_PrintFormatItem_ID =0 AND AD_PrintFormatItem_Trl.AD_PrintFormatItem_ID=1 AND EXISTS (SELECT AD_PrintFormatItem_ID FROM AD_PrintFormatItem_trl \"old\" WHERE \"old\".AD_Language=AD_PrintFormatItem_Trl.AD_Language AND AD_PrintFormatItem_ID =2)";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	//[ 1707540 ] Dependency problem when modifying AD Columns and Sync.
 	//[ 1707611 ] Column synchronization for mandatory columns doesn't work
 	@Test
 	public void testAlterColumn() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		sql = "ALTER TABLE Test MODIFY T_Integer NUMBER(10) NOT NULL";
 		//sqe = "ALTER TABLE Test ALTER COLUMN T_Integer TYPE NUMERIC(10); ALTER TABLE Test ALTER COLUMN T_Integer SET NOT NULL;";
 		sqe = "INSERT INTO t_alter_column values('test','T_Integer','NUMERIC(10)','NOT NULL',null)";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		sql = "ALTER TABLE Test MODIFY T_Integer NUMBER(10) NULL";
 		//sqe = "ALTER TABLE Test ALTER COLUMN T_Integer TYPE NUMERIC(10); ALTER TABLE Test ALTER COLUMN T_Integer DROP NOT NULL;";
 		sqe = "INSERT INTO t_alter_column values('test','T_Integer','NUMERIC(10)','NULL',null)";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		sql = "ALTER TABLE Test MODIFY T_Integer NOT NULL";
 		sqe = "INSERT INTO t_alter_column values('test','T_Integer',null,'NOT NULL',null)";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		// Line 407 of ImportProduct.java
 		sql = "ALTER TABLE LPI_Publication MODIFY AD_Client_ID NUMERIC(10) DEFAULT NULL";
 		//sqe = "ALTER TABLE LPI_Publication ALTER COLUMN AD_Client_ID TYPE NUMERIC(10); ALTER TABLE LPI_Publication ALTER COLUMN AD_Client_ID SET DEFAULT NULL; ";
 		sqe = "INSERT INTO t_alter_column values('lpi_publication','AD_Client_ID','NUMERIC(10)',null,'NULL')";
-        r = convert.convertOracleStatement(sql);
+        r = DB.getDatabase().convertStatement(sql);
         assertEquals(sqe, r);
         
         //add column with default fail in libero 2pack import
         sql = "ALTER TABLE XX ADD A VARCHAR2(10) DEFAULT --";
         sqe = "ALTER TABLE XX ADD COLUMN A VARCHAR(10) DEFAULT '--'";
-        r = convert.convertOracleStatement(sql);
+        r = DB.getDatabase().convertStatement(sql);
         assertEquals(sqe, r.trim());
         
         //[ adempiere-Bugs-1746266 ]
         sql = "ALTER TABLE someTableName MODIFY someColumnName NVARCHAR2(64)";
         sqe = "INSERT INTO t_alter_column values('sometablename','someColumnName','VARCHAR(64)',null,null)";
-        r = convert.convertOracleStatement(sql);
+        r = DB.getDatabase().convertStatement(sql);
         assertEquals(sqe, r.trim());
         
         sql = "ALTER TABLE S_Resource MODIFY IsActive CHAR(1) DEFAULT 'Y'";
         sqe = "INSERT INTO t_alter_column values('s_resource','IsActive','CHAR(1)',null,'Y')";
-        r = convert.convertOracleStatement(sql);
+        r = DB.getDatabase().convertStatement(sql);
         assertEquals(sqe, r.trim());
         
         sql = "ALTER TABLE PP_Order_NodeNext MODIFY PP_Order_NodeNext_ID NULL";
         sqe = "INSERT INTO t_alter_column values('pp_order_nodenext','PP_Order_NodeNext_ID',null,'NULL',null)";
-        r = convert.convertOracleStatement(sql);
+        r = DB.getDatabase().convertStatement(sql);
         assertEquals(sqe, r.trim());
         
         sql = "ALTER TABLE C_InvoiceTax ADD Created DATE DEFAULT SYSDATE NOT NULL";
         sqe = "ALTER TABLE C_InvoiceTax ADD COLUMN Created TIMESTAMP DEFAULT statement_timestamp() NOT NULL";
-        r = convert.convertOracleStatement(sql);
+        r = DB.getDatabase().convertStatement(sql);
         assertEquals(sqe, r.trim());
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 
 	// Convert.recoverQuotedStrings() error on strings with "<-->" - teo_sarca [ 1705768 ]
 	// https://sourceforge.net/p/adempiere/bugs/504/
 	@Test
 	public void test1705768() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		sql = "SELECT 'Partner <--> Organization', 's2\\$', 's3' FROM DUAL";
 		sqe = "SELECT 'Partner <--> Organization', E's2\\\\$', 's3'";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
 	public void test1704261() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		// [ 1704261 ] can not import currency rate
 		sql = "UPDATE I_Conversion_Rate i SET MultiplyRate = 1 / DivideRate WHERE (MultiplyRate IS NULL OR MultiplyRate = 0) AND DivideRate IS NOT NULL AND DivideRate<>0 AND I_IsImported<>'Y' AND AD_Client_ID=1000000";
 		sqe = "UPDATE I_Conversion_Rate SET MultiplyRate = 1 / DivideRate WHERE (MultiplyRate IS NULL OR MultiplyRate = 0) AND DivideRate IS NOT NULL AND DivideRate<>0 AND I_IsImported<>'Y' AND AD_Client_ID=1000000";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
 	public void testAlterTable() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		//[ 1668720 ] Convert failing in alter table
 		sql = "ALTER TABLE GT_TaxBase ADD CONSTRAINT GT_TaxBase_Key PRIMARY KEY (GT_TaxBase_ID)";
 		sqe = "ALTER TABLE GT_TaxBase ADD CONSTRAINT GT_TaxBase_Key PRIMARY KEY (GT_TaxBase_ID)";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		//[ 1668720 ] Convert failing in alter table
 		sql = "ALTER TABLE GT_TaxBase ADD GT_TaxBase_ID NUMBER(10) NOT NULL";
 		sqe = "ALTER TABLE GT_TaxBase ADD COLUMN GT_TaxBase_ID NUMERIC(10) NOT NULL";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
 	public void test1662983() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		//[ 1662983 ] Convert cutting backslash from string
 		sql = "SELECT 'C:\\Documentos\\Test' FROM DUAL";
 		sqe = "SELECT E'C:\\\\Documentos\\\\Test'";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		sql = "SELECT 'C:Document' FROM DUAL";
 		sqe = "SELECT 'C:Document'";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
 	public void testMultiColumnAssignment() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		// Line 407 of ImportProduct.java
 		sql = "UPDATE M_PRODUCT SET (Value,Name,Description,DocumentNote,Help,UPC,SKU,C_UOM_ID,M_Product_Category_ID,Classification,ProductType,Volume,Weight,ShelfWidth,ShelfHeight,ShelfDepth,UnitsPerPallet,Discontinued,DiscontinuedBy,Updated,UpdatedBy)= (SELECT Value,Name,Description,DocumentNote,Help,UPC,SKU,C_UOM_ID,M_Product_Category_ID,Classification,ProductType,Volume,Weight,ShelfWidth,ShelfHeight,ShelfDepth,UnitsPerPallet,Discontinued,DiscontinuedBy,SysDate,UpdatedBy FROM I_Product WHERE I_Product_ID=?) WHERE M_Product_ID=?";
 		sqe = "UPDATE M_PRODUCT SET Value=I_Product.Value,Name=I_Product.Name,Description=I_Product.Description,DocumentNote=I_Product.DocumentNote,Help=I_Product.Help,UPC=I_Product.UPC,SKU=I_Product.SKU,C_UOM_ID=I_Product.C_UOM_ID,M_Product_Category_ID=I_Product.M_Product_Category_ID,Classification=I_Product.Classification,ProductType=I_Product.ProductType,Volume=I_Product.Volume,Weight=I_Product.Weight,ShelfWidth=I_Product.ShelfWidth,ShelfHeight=I_Product.ShelfHeight,ShelfDepth=I_Product.ShelfDepth,UnitsPerPallet=I_Product.UnitsPerPallet,Discontinued=I_Product.Discontinued,DiscontinuedBy=I_Product.DiscontinuedBy,Updated=statement_timestamp(),UpdatedBy=I_Product.UpdatedBy FROM I_Product WHERE I_Product.I_Product_ID=? AND M_PRODUCT.M_Product_ID=?";
-        r = convert.convertOracleStatement(sql);
+        r = DB.getDatabase().convertStatement(sql);
         assertEquals(sqe, r);
         
         //FinReport, test inner join in multi column update
@@ -220,7 +289,7 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 			+ "WHERE r.Fact_Acct_ID=fa.Fact_Acct_ID) "
 			+ "WHERE Fact_Acct_ID <> 0 AND AD_PInstance_ID=0";
 		sqe = "UPDATE T_Report SET Name=e.Name,Description=fa.Description FROM Fact_Acct fa INNER JOIN AD_Table t ON (fa.AD_Table_ID=t.AD_Table_ID) INNER JOIN AD_Element e ON (t.TableName||'_ID'=e.ColumnName) WHERE T_Report.Fact_Acct_ID=fa.Fact_Acct_ID AND T_Report.Fact_Acct_ID <> 0 AND T_Report.AD_PInstance_ID=0";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
         //https://sourceforge.net/forum/message.php?msg_id=4083672
@@ -234,7 +303,7 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 			+" 				  AND (c.ColumnName <> e.ColumnName OR c.Name <> e.Name "
 			+" 					OR NVL(c.Description,' ') <> NVL(e.Description,' ') OR NVL(c.Help,' ') <> NVL(e.Help,' ')))";
 		sqe = "UPDATE AD_COLUMN SET ColumnName=e.ColumnName,Name=e.Name,Description=e.Description,Help=e.Help, Updated = statement_timestamp() FROM AD_ELEMENT e WHERE AD_COLUMN.AD_Element_ID=e.AD_Element_ID AND EXISTS (SELECT 1 FROM AD_ELEMENT e WHERE AD_COLUMN.AD_Element_ID=e.AD_Element_ID AND (AD_COLUMN.ColumnName <> e.ColumnName OR AD_COLUMN.Name <> e.Name OR COALESCE(AD_COLUMN.Description,' ') <> COALESCE(e.Description,' ') OR COALESCE(AD_COLUMN.Help,' ') <> COALESCE(e.Help,' ')))";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		sql="UPDATE AD_WF_NODE n"
@@ -246,22 +315,33 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 			+" 		WHERE f.AD_Process_ID=n.AD_Process_ID"
 			+" 		  AND (f.Name <> n.Name OR NVL(f.Description,' ') <> NVL(n.Description,' ') OR NVL(f.Help,' ') <> NVL(n.Help,' ')))";
 		sqe = "UPDATE AD_WF_NODE SET Name=f.Name,Description=f.Description,Help=f.Help FROM AD_PROCESS f WHERE f.AD_Process_ID=AD_WF_NODE.AD_Process_ID AND AD_WF_NODE.IsCentrallyMaintained = 'Y' AND EXISTS (SELECT 1 FROM AD_PROCESS f WHERE f.AD_Process_ID=AD_WF_NODE.AD_Process_ID AND (f.Name <> AD_WF_NODE.Name OR COALESCE(f.Description,' ') <> COALESCE(AD_WF_NODE.Description,' ') OR COALESCE(f.Help,' ') <> COALESCE(AD_WF_NODE.Help,' ')))"; 
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
-		
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
 	public void testReservedWordInQuote() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		// test conversion of reserved words inside quotes
 		sql = "UPDATE AD_Message_Trl SET MsgText='{0} Linea(s) {1,number,#,##0.00}  - Total: {2,number,#,##0.00}',MsgTip=NULL,Updated=TO_DATE('2007-01-12 21:44:31','YYYY-MM-DD HH24:MI:SS'),IsTranslated='Y' WHERE AD_Message_ID=828 AND AD_Language='es_MX'";
 		sqe = "UPDATE AD_Message_Trl SET MsgText='{0} Linea(s) {1,number,#,##0.00}  - Total: {2,number,#,##0.00}',MsgTip=NULL,Updated=TO_TIMESTAMP('2007-01-12 21:44:31','YYYY-MM-DD HH24:MI:SS'),IsTranslated='Y' WHERE AD_Message_ID=828 AND AD_Language='es_MX'";
-        r = convert.convertOracleStatement(sql);
+        r = DB.getDatabase().convertStatement(sql);
         assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
 	public void test1580231() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		//financial report, bug [ 1580231 ]
 		sql = "UPDATE t_report"
 				+ " SET (NAME, description) = (SELECT VALUE, NAME "
@@ -270,8 +350,11 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 				+ " WHERE record_id <> 0 " + " AND ad_pinstance_id = 1000024 "
 				+ " AND pa_reportline_id = 101 " + " AND fact_acct_id = 0 ";
 		sqe = "UPDATE t_report SET NAME=c_elementvalue.VALUE,description=c_elementvalue.NAME FROM c_elementvalue WHERE c_elementvalue.c_elementvalue_id = t_report.record_id AND t_report.record_id <> 0 AND t_report.ad_pinstance_id = 1000024 AND t_report.pa_reportline_id = 101 AND t_report.fact_acct_id = 0";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	/*
@@ -280,7 +363,7 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 		//test limit
 		sql = "UPDATE I_Order SET M_Warehouse_ID=(SELECT M_Warehouse_ID FROM M_Warehouse w WHERE ROWNUM=1 AND I_Order.AD_Client_ID=w.AD_Client_ID AND I_Order.AD_Org_ID=w.AD_Org_ID) WHERE M_Warehouse_ID IS NULL AND I_IsImported<>'Y' AND AD_Client_ID=11";
 		sqe = "UPDATE I_Order SET M_Warehouse_ID=(SELECT M_Warehouse_ID FROM M_Warehouse w WHERE  I_Order.AD_Client_ID=w.AD_Client_ID AND I_Order.AD_Org_ID=w.AD_Org_ID LIMIT 1 ) WHERE M_Warehouse_ID IS NULL AND I_IsImported<>'Y' AND AD_Client_ID=11" ;
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		//Doc_Invoice
@@ -297,26 +380,35 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 		+ " AND po.M_Product_ID=il.M_Product_ID AND po.C_BPartner_ID=i.C_BPartner_ID"
 		+ " AND i.C_Invoice_ID=0)";
 		sqe = "UPDATE M_Product_PO SET PriceLastInv = (SELECT currencyConvert(il.PriceActual,i.C_Currency_ID,M_Product_PO.C_Currency_ID,i.DateInvoiced,i.C_ConversionType_ID,i.AD_Client_ID,i.AD_Org_ID) FROM C_Invoice i, C_InvoiceLine il WHERE i.C_Invoice_ID=il.C_Invoice_ID AND M_Product_PO.M_Product_ID=il.M_Product_ID AND M_Product_PO.C_BPartner_ID=i.C_BPartner_ID  AND i.C_Invoice_ID=0 LIMIT 1 ) WHERE EXISTS (SELECT * FROM C_Invoice i, C_InvoiceLine il WHERE i.C_Invoice_ID=il.C_Invoice_ID AND M_Product_PO.M_Product_ID=il.M_Product_ID AND M_Product_PO.C_BPartner_ID=i.C_BPartner_ID AND i.C_Invoice_ID=0)";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		sql="UPDATE T_InventoryValue SET PricePO = (SELECT currencyConvert (po.PriceList,po.C_Currency_ID,T_InventoryValue.C_Currency_ID,T_InventoryValue.DateValue,null, po.AD_Client_ID,po.AD_Org_ID) FROM M_Product_PO po WHERE po.M_Product_ID=T_InventoryValue.M_Product_ID AND po.IsCurrentVendor='Y' AND RowNum=1), PriceList = (SELECT currencyConvert(pp.PriceList,pl.C_Currency_ID,T_InventoryValue.C_Currency_ID,T_InventoryValue.DateValue,null, pl.AD_Client_ID,pl.AD_Org_ID) FROM M_PriceList pl, M_PriceList_Version plv, M_ProductPrice pp WHERE pp.M_Product_ID=T_InventoryValue.M_Product_ID AND pp.M_PriceList_Version_ID=T_InventoryValue.M_PriceList_Version_ID AND pp.M_PriceList_Version_ID=plv.M_PriceList_Version_ID AND plv.M_PriceList_ID=pl.M_PriceList_ID), PriceStd = (SELECT currencyConvert(pp.PriceStd,pl.C_Currency_ID,T_InventoryValue.C_Currency_ID,T_InventoryValue.DateValue,null, pl.AD_Client_ID,pl.AD_Org_ID) FROM M_PriceList pl, M_PriceList_Version plv, M_ProductPrice pp WHERE pp.M_Product_ID=T_InventoryValue.M_Product_ID AND pp.M_PriceList_Version_ID=T_InventoryValue.M_PriceList_Version_ID AND pp.M_PriceList_Version_ID=plv.M_PriceList_Version_ID AND plv.M_PriceList_ID=pl.M_PriceList_ID), PriceLimit = (SELECT currencyConvert(pp.PriceLimit,pl.C_Currency_ID,T_InventoryValue.C_Currency_ID,T_InventoryValue.DateValue,null, pl.AD_Client_ID,pl.AD_Org_ID) FROM M_PriceList pl, M_PriceList_Version plv, M_ProductPrice pp WHERE pp.M_Product_ID=T_InventoryValue.M_Product_ID AND pp.M_PriceList_Version_ID=T_InventoryValue.M_PriceList_Version_ID AND pp.M_PriceList_Version_ID=plv.M_PriceList_Version_ID AND plv.M_PriceList_ID=pl.M_PriceList_ID)";
 		sqe = "UPDATE T_InventoryValue SET PricePO = (SELECT currencyConvert (po.PriceList,po.C_Currency_ID,T_InventoryValue.C_Currency_ID,T_InventoryValue.DateValue,null, po.AD_Client_ID,po.AD_Org_ID) FROM M_Product_PO po WHERE po.M_Product_ID=T_InventoryValue.M_Product_ID AND po.IsCurrentVendor='Y'  LIMIT 1 ), PriceList = (SELECT currencyConvert(pp.PriceList,pl.C_Currency_ID,T_InventoryValue.C_Currency_ID,T_InventoryValue.DateValue,null, pl.AD_Client_ID,pl.AD_Org_ID) FROM M_PriceList pl, M_PriceList_Version plv, M_ProductPrice pp WHERE pp.M_Product_ID=T_InventoryValue.M_Product_ID AND pp.M_PriceList_Version_ID=T_InventoryValue.M_PriceList_Version_ID AND pp.M_PriceList_Version_ID=plv.M_PriceList_Version_ID AND plv.M_PriceList_ID=pl.M_PriceList_ID), PriceStd = (SELECT currencyConvert(pp.PriceStd,pl.C_Currency_ID,T_InventoryValue.C_Currency_ID,T_InventoryValue.DateValue,null, pl.AD_Client_ID,pl.AD_Org_ID) FROM M_PriceList pl, M_PriceList_Version plv, M_ProductPrice pp WHERE pp.M_Product_ID=T_InventoryValue.M_Product_ID AND pp.M_PriceList_Version_ID=T_InventoryValue.M_PriceList_Version_ID AND pp.M_PriceList_Version_ID=plv.M_PriceList_Version_ID AND plv.M_PriceList_ID=pl.M_PriceList_ID), PriceLimit = (SELECT currencyConvert(pp.PriceLimit,pl.C_Currency_ID,T_InventoryValue.C_Currency_ID,T_InventoryValue.DateValue,null, pl.AD_Client_ID,pl.AD_Org_ID) FROM M_PriceList pl, M_PriceList_Version plv, M_ProductPrice pp WHERE pp.M_Product_ID=T_InventoryValue.M_Product_ID AND pp.M_PriceList_Version_ID=T_InventoryValue.M_PriceList_Version_ID AND pp.M_PriceList_Version_ID=plv.M_PriceList_Version_ID AND plv.M_PriceList_ID=pl.M_PriceList_ID)";
-        r = convert.convertOracleStatement(sql);
+        r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 	}*/
 	
 	@Test
 	public void testAliasInUpdate() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		//test alias and column list update
 		sql = "UPDATE I_Order o SET (C_BPartner_ID,AD_User_ID)=(SELECT C_BPartner_ID,AD_User_ID FROM AD_User u WHERE o.ContactName=u.Name AND o.AD_Client_ID=u.AD_Client_ID AND u.C_BPartner_ID IS NOT NULL) WHERE C_BPartner_ID IS NULL AND ContactName IS NOT NULL AND EXISTS (SELECT Name FROM AD_User u WHERE o.ContactName=u.Name AND o.AD_Client_ID=u.AD_Client_ID AND u.C_BPartner_ID IS NOT NULL GROUP BY Name HAVING COUNT(*)=1) AND I_IsImported<>'Y' AND AD_Client_ID=11";
 		sqe = "UPDATE I_Order SET C_BPartner_ID=u.C_BPartner_ID,AD_User_ID=u.AD_User_ID FROM AD_User u WHERE I_Order.ContactName=u.Name AND I_Order.AD_Client_ID=u.AD_Client_ID AND u.C_BPartner_ID IS NOT NULL AND I_Order.C_BPartner_ID IS NULL AND I_Order.ContactName IS NOT NULL AND EXISTS (SELECT Name FROM AD_User u WHERE I_Order.ContactName=u.Name AND I_Order.AD_Client_ID=u.AD_Client_ID AND u.C_BPartner_ID IS NOT NULL GROUP BY Name HAVING COUNT(*)=1) AND I_Order.I_IsImported<>'Y' AND I_Order.AD_Client_ID=11";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
 	public void test1580226() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		//from bug [ 1580226 ] - test alias and trunc
 		sql = "INSERT INTO Fact_Acct_Balance ab "
 		+ "(AD_Client_ID, AD_Org_ID, C_AcctSchema_ID, DateAcct,"
@@ -352,17 +444,26 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 			+ " Account_ID, PostingType, M_Product_ID, C_BPartner_ID,"
 			+ " C_Project_ID, AD_OrgTrx_ID, C_SalesRegion_ID, C_Activity_ID,"
 			+ " C_Campaign_ID, C_LocTo_ID, C_LocFrom_ID, User1_ID, User2_ID, GL_Budget_ID";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
 	public void testTrunc() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		//From bug [ 1576358 ] and [ 1577055 ]
 		sql = "SELECT TRUNC(TO_DATE('2006-10-13','YYYY-MM-DD'),'Q') FROM DUAL";
 		sqe = "SELECT TRUNC(TO_TIMESTAMP('2006-10-13','YYYY-MM-DD'),'Q')";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
@@ -380,29 +481,38 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 			+ " FROM " + "AD_Column_Trl"
 			+ " WHERE AD_Language='" + "es_MX" + "')";
 		sqe = "INSERT INTO AD_Column_Trl(AD_Language,IsTranslated, AD_Client_ID,AD_Org_ID, Createdby,UpdatedBy, AD_Column_ID,Name) SELECT 'es_MX','N', AD_Client_ID,AD_Org_ID, 100,100, AD_Column_ID,Name FROM AD_Column WHERE AD_Column_ID NOT IN (SELECT AD_Column_ID FROM AD_Column_Trl WHERE AD_Language='es_MX')";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 	}
 	
 	@Test
 	public void test1622302() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		//MInOutLineMa bug [ 1622302 ] 
 		sql = "DELETE FROM M_InOutLineMA ma WHERE EXISTS "
 			+ "(SELECT * FROM M_InOutLine l WHERE l.M_InOutLine_ID=ma.M_InOutLine_ID"
 			+ " AND M_InOut_ID=0)";
 		sqe = "DELETE FROM M_InOutLineMA WHERE EXISTS (SELECT * FROM M_InOutLine l WHERE l.M_InOutLine_ID=M_InOutLineMA.M_InOutLine_ID AND M_InOut_ID=0)";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	@Test
 	public void test1638046() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		//bug [ 1638046 ] 
 		sql = "UPDATE GL_JournalBatch jb"
 			+ " SET (TotalDr, TotalCr) = (SELECT COALESCE(SUM(TotalDr),0), COALESCE(SUM(TotalCr),0)"
 				+ " FROM GL_Journal j WHERE j.IsActive='Y' AND jb.GL_JournalBatch_ID=j.GL_JournalBatch_ID) "
 			+ "WHERE GL_JournalBatch_ID=0";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		sqe = "UPDATE GL_JournalBatch SET TotalDr="
 			+ "( SELECT COALESCE(SUM(TotalDr),0) "
 		    + "FROM GL_Journal j WHERE j.IsActive='Y' AND "
@@ -411,6 +521,9 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 		    + "WHERE j.IsActive='Y' AND GL_JournalBatch.GL_JournalBatch_ID=j.GL_JournalBatch_ID ) "
 		    + " WHERE GL_JournalBatch_ID=0";
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 	
 	//[ 1727193 ] Convert failed with decode in quoted string
@@ -418,20 +531,23 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 	public void test1727193() {
 		sql = "UPDATE a set a.ten_decode = 'b'";
 		sqe = "UPDATE a set a.ten_decode = 'b'";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		sql = "UPDATE a set a.b = 'ten_decode'";
 		sqe = "UPDATE a set a.b = 'ten_decode'";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 	}
 	
 	@Test
 	public void testDecode() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		sql = "SELECT supplier_name, decode(supplier_id, 10000, 'IBM', 10001, 'Microsoft', 10002, 'Hewlett Packard', 'Gateway') FROM suppliers";
 		sqe = "SELECT supplier_name, CASE WHEN supplier_id=10000 THEN 'IBM' WHEN supplier_id=10001 THEN 'Microsoft' WHEN supplier_id=10002 THEN 'Hewlett Packard' ELSE 'Gateway' END FROM suppliers";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		//doc_matchinv update average cost, bug [ 1742835 ]
@@ -443,21 +559,30 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 			+ "SET CostAverage = CostAverageCumAmt/CASE WHEN CostAverageCumQty=0 THEN 1 ELSE CostAverageCumQty END "
 			+ "WHERE C_AcctSchema_ID=0"
 			+ " AND M_Product_ID=0";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 
 	@Test
 	public void test2371805_GetDate() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		sql = "SELECT getdate() FROM DUAL";
 		sqe = "SELECT statement_timestamp()";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 
 		sql = "SELECT SYSDATE FROM DUAL";
 		sqe = "SELECT statement_timestamp()";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 
 	/**
@@ -465,6 +590,9 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 	 */
 	@Test
 	public void testCasts() {
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  try {
+		testNotNative();
 		String sql_begin = "SELECT ";
 		String[][] sql_tests = new String[][] {
 				// Oracle vs PostgreSQL
@@ -490,8 +618,11 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 		sql.append(sql_end);
 		sqle.append(sql_end);
 		//
-		r = convert.convertOracleStatement(sql.toString());
+		r = DB.getDatabase().convertStatement(sql.toString());
 		assertEquals(sqle.toString(), r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+	  }
 	}
 
 	/**
@@ -501,7 +632,7 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 	public void test2521586() {
 		sql = "INSERT INTO M_Forecast (M_Forecast_ID) VALUES (1000000)";
 		sqe = "INSERT INTO M_Forecast (M_Forecast_ID) VALUES (1000000)";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 	}
 	
@@ -514,13 +645,39 @@ public final class Convert_PostgreSQLTest extends AbstractTestCase {
 	{
 		sql = "INSERT INTO MyTable (a, b, c, d, xml) VALUES ('val1', 'val2', 'this ''is'' a string with ''quotes'' and backslashes ''\\''', 'val4')";
 		sqe = "INSERT INTO MyTable (a, b, c, d, xml) VALUES ('val1', 'val2', E'this ''is'' a string with ''quotes'' and backslashes ''\\\\''', 'val4')";
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 		
 		sql = "SELECT AD_Tab.AD_Tab_ID,NULL,COALESCE(AD_Tab.Name,'-1') ||'_'|| COALESCE((SELECT COALESCE(AD_Window.Name,'') FROM AD_Window WHERE AD_Tab.AD_Window_ID=AD_Window.AD_Window_ID),'-1'),AD_Tab.IsActive"
 			+" FROM AD_Tab WHERE AD_Tab.AD_Tab_ID=?";
 		sqe = sql;
-		r = convert.convertOracleStatement(sql);
+		r = DB.getDatabase().convertStatement(sql);
 		assertEquals(sqe, r);
 	}
+
+	/**
+	 * replacement for sysdate, also like using similar to preference
+	 * https://idempiere.atlassian.net/browse/IDEMPIERE-4465
+	 */
+	@Test
+	public void testNativeSysdate()
+	{
+	  String originalNative = Ini.getProperty(P_POSTGRE_SQL_NATIVE);
+	  String originalSimilarTo = Env.getContext(Env.getCtx(), "P|IsUseSimilarTo");
+	  try {
+		testNative();
+		Env.setContext(Env.getCtx(), "P|IsUseSimilarTo", "N");
+		sql = "UPDATE AD_Reference_Trl SET Description='In future we would like to use sysdate to convert dates',IsTranslated='Y' WHERE AD_Reference_ID=53332 AND AD_Language='es_CO' AND AD_Client_D=0";
+		sqe = "UPDATE AD_Reference_Trl SET Description='In future we would like to use sysdate to convert dates',IsTranslated='Y' WHERE AD_Reference_ID=53332 AND AD_Language='es_CO' AND AD_Client_D=0";
+		r = DB.getDatabase().convertStatement(sql);
+		assertEquals(sqe, r);
+		Env.setContext(Env.getCtx(), "P|IsUseSimilarTo", "Y");
+		r = DB.getDatabase().convertStatement(sql);
+		assertEquals(sqe, r);
+	  } finally {
+		Ini.setProperty(P_POSTGRE_SQL_NATIVE, originalNative);
+		Env.setContext(Env.getCtx(), "P|IsUseSimilarTo", originalSimilarTo);
+	  }
+	}
+
  }