Server Property Summery | |
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#servoy.rawSQL.allowClientCacheFlushes |
Method Summery | |
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Boolean | #executeSQL(serverName, tableName, SQL, [arguments]) Execute any SQL, returns true if successful. |
JSDataSet | #executeStoredProcedure(serverName, procedureDeclaration, [arguments[], [IODirectionality[], maxNrReturnedRows) Execute a stored procedure. |
Boolean | #flushAllClientsCache(serverName, tableName) Flush cached database data. |
ServoyException | #getException() If the result from a function was false, it will return the exception object. |
Boolean | #notifyDataChange(serverName, tableName, pksDataset, action) Notify clients about changes in records, based on pk(s). |
Server Property Details |
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servoy.rawSQL.allowClientCacheFlushes |
In case of performance problem you might want to disable this (true/false) |
Method Details |
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executeSQL |
Boolean executeSQL (serverName, tableName, SQL, [arguments]) |
Execute any SQL, returns true if successful. |
Parameters serverName tableName SQL [arguments] |
Returns Boolean |
Sample/**************************************************************************** WARNING! You can cause data loss or serious data integrity compromises! You should have a THOROUGH understanding of both SQL and your backend database (and other interfaces that may use that backend) BEFORE YOU USE ANY OF THESE COMMANDS. You should also READ THE DOCUMENTATION BEFORE USING ANY OF THESE COMMANDS Note that when server names have been switched (databasemanager.switchServer),the real server names must be used here, plugins.rawSQL is not transparent to switched servers. ****************************************************************************/ //Execute any SQL, returns true if successful. var country = 'NL' var done = plugins.rawSQL.executeSQL("example_data","employees","update employees set country = ?", [country]) if (done) { //flush is required when changes are made in db plugins.rawSQL.flushAllClientsCache("example_data","employees") } else { var msg = plugins.rawSQL.getException().getMessage(); //see exception node for more info about the exception obj plugins.dialogs.showErrorDialog('Error', 'SQL exception: '+msg, 'Ok') } |
executeStoredProcedure |
JSDataSet executeStoredProcedure (serverName, procedureDeclaration, [arguments[], [IODirectionality[], maxNrReturnedRows) |
Execute a stored procedure. |
Parameters serverName procedureDeclaration [arguments[] [IODirectionality[] maxNrReturnedRows |
Returns JSDataSet |
Sample/**************************************************************************** WARNING! You can cause data loss or serious data integrity compromises! You should have a THOROUGH understanding of both SQL and your backend database (and other interfaces that may use that backend) BEFORE YOU USE ANY OF THESE COMMANDS. You should also READ THE DOCUMENTATION BEFORE USING ANY OF THESE COMMANDS Note that when server names have been switched (databasemanager.switchServer),the real server names must be used here, plugins.rawSQL is not transparent to switched servers. ****************************************************************************/ //Execute a stored procedure. var maxReturnedRows = 10;//useful to limit number of rows var procedure_declaration = '{?=calculate_interest_rate(?)}' var args = new Array() args[0] = java.sql.Types.NUMERIC args[1] = 3000 // define the types and direction, in this case a 0 for input data var typesArray = new Array(); typesArray[0]=1; typesArray[1]=0; var dataset = plugins.rawSQL.executeStoredProcedure(controller.getServerName(), procedure_declaration, args, typesArray,maxReturnedRows); //example to calc a strange total global_total = 0; for( var i = 1 ; i <= dataset.getMaxRowIndex() ; i++ ) { global_total = global_total + dataset.getValue(i,1); } |
flushAllClientsCache |
Boolean flushAllClientsCache (serverName, tableName) |
Flush cached database data. Use with extreme care, its affecting the performance of clients! |
Parameters serverName tableName |
Returns Boolean |
Sample/**************************************************************************** WARNING! You can cause data loss or serious data integrity compromises! You should have a THOROUGH understanding of both SQL and your backend database (and other interfaces that may use that backend) BEFORE YOU USE ANY OF THESE COMMANDS. You should also READ THE DOCUMENTATION BEFORE USING ANY OF THESE COMMANDS Note that when server names have been switched (databasemanager.switchServer),the real server names must be used here, plugins.rawSQL is not transparent to switched servers. ****************************************************************************/ //Flush cached database data. Use with extreme care, its affecting the performance of clients! var country = 'NL' var done = plugins.rawSQL.executeSQL("example_data","employees","update employees set country = ?", [country]) if (done) { //flush is required when changes are made in db plugins.rawSQL.flushAllClientsCache("example_data","employees") } else { var msg = plugins.rawSQL.getException().getMessage(); //see exception node for more info about the exception obj plugins.dialogs.showErrorDialog('Error', 'SQL exception: '+msg, 'Ok') } |
getException |
ServoyException getException () |
If the result from a function was false, it will return the exception object. |
Returns ServoyException |
Sample |
notifyDataChange |
Boolean notifyDataChange (serverName, tableName, pksDataset, action) |
Notify clients about changes in records, based on pk(s). Use with extreme care, its affecting the performance of clients! |
Parameters serverName tableName pksDataset action |
Returns Boolean |
Sample/**************************************************************************** WARNING! You can cause data loss or serious data integrity compromises! You should have a THOROUGH understanding of both SQL and your backend database (and other interfaces that may use that backend) BEFORE YOU USE ANY OF THESE COMMANDS. You should also READ THE DOCUMENTATION BEFORE USING ANY OF THESE COMMANDS Note that when server names have been switched (databasemanager.switchServer),the real server names must be used here, plugins.rawSQL is not transparent to switched servers. ****************************************************************************/ //Notify clients about changes in records, based on pk(s). Use with extreme care, its affecting the performance of clients! var action = 1 //pks deleted //var action = 2 //pks inserted //var action = 3 //pks updates var pksdataset = databaseManager.convertToDataSet(new Array(12,15,16,21)) var ok = plugins.rawSQL.notifyDataChange(controller.getServerName(), 'employees',pksdataset,action) |