org.gcube.data.analysis.tabulardata.operation

Class SQLHelper

java.lang.Object

org.gcube.data.analysis.tabulardata.operation.SQLHelper

public abstract class SQLHelper
extends Object

Constructor Summary

Constructors

Constructor and Description
SQLHelper()

Method Summary

Methods

Modifier and Type	Method and Description
static int[]	executeSQLBatchCommands(org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider, String... sqlCommands)
static void	executeSQLCommand(String sqlCommand, org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider)
static String	generateColumnNameSnippet(List<org.gcube.data.analysis.tabulardata.model.column.Column> columnsToCopy) Generate a list containing a comma separated list of column names
static int	getCount(org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider, String tableName, String condition)
static int	getCountEstimation(org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider, String query)
static void	iteratePreparedStatementOverColumnValues(org.gcube.data.analysis.tabulardata.model.column.Column toCheckColumn, String sqlCommand, org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider, List<Object> values) Creates a prepared statement to iterate over a column specified values
static Object	sampleColumn(org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider, org.gcube.data.analysis.tabulardata.model.table.Table table, org.gcube.data.analysis.tabulardata.model.column.Column col)
static QueryProgress	SQLInsertCommandWithProgress(org.gcube.data.analysis.tabulardata.model.table.Table table, String insertCommand, int extimatedAffectedRows, org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SQLHelper

public SQLHelper()

Method Detail

executeSQLCommand

public static void executeSQLCommand(String sqlCommand,
                     org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider)
                              throws SQLException

Throws:

SQLException

SQLInsertCommandWithProgress

public static QueryProgress SQLInsertCommandWithProgress(org.gcube.data.analysis.tabulardata.model.table.Table table,
                                         String insertCommand,
                                         int extimatedAffectedRows,
                                         org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider)
                                                  throws SQLException

Throws:

SQLException

executeSQLBatchCommands

public static int[] executeSQLBatchCommands(org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider,
                            String... sqlCommands)
                                     throws SQLException

Throws:

SQLException

generateColumnNameSnippet

public static String generateColumnNameSnippet(List<org.gcube.data.analysis.tabulardata.model.column.Column> columnsToCopy)

Generate a list containing a comma separated list of column names

Parameters:

columnsToCopy - the columns to write on string

Returns:

the result comma separated list of column names

iteratePreparedStatementOverColumnValues

public static void iteratePreparedStatementOverColumnValues(org.gcube.data.analysis.tabulardata.model.column.Column toCheckColumn,
                                            String sqlCommand,
                                            org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider,
                                            List<Object> values)
                                                     throws SQLException,
                                                            Exception

Creates a prepared statement to iterate over a column specified values

Parameters:

toCheckColumn - must be either a idColumn or a validation column

sqlCommand -

connectionProvider -

Throws:

SQLException

Exception

getCount

public static int getCount(org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider,
           String tableName,
           String condition)
                    throws SQLException

Throws:

SQLException

getCountEstimation

public static int getCountEstimation(org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider,
                     String query)
                              throws SQLException

Throws:

SQLException

sampleColumn

public static Object sampleColumn(org.gcube.data.analysis.tabulardata.cube.data.connection.DatabaseConnectionProvider connectionProvider,
                  org.gcube.data.analysis.tabulardata.model.table.Table table,
                  org.gcube.data.analysis.tabulardata.model.column.Column col)
                           throws SQLException

Throws:

SQLException