svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc2 / spi / operations / UpdateTableStatisticsOperation.java @ 43020
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1 | 43020 | jjdelcerro | package org.gvsig.fmap.dal.store.jdbc2.spi.operations; |
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2 | |||
3 | import java.sql.Connection; |
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4 | import java.sql.SQLException; |
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5 | import java.sql.Statement; |
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6 | import java.util.List; |
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7 | import org.gvsig.fmap.dal.exception.DataException; |
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8 | import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
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9 | import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
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10 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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11 | import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
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12 | |||
13 | public class UpdateTableStatisticsOperation extends AbstractConnectionOperation { |
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14 | |||
15 | private final String schemaName; |
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16 | private final String tableName; |
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17 | private final String dbName; |
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18 | |||
19 | public UpdateTableStatisticsOperation(
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20 | JDBCHelper helper |
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21 | ) { |
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22 | this(helper, null, null, null); |
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23 | } |
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24 | |||
25 | public UpdateTableStatisticsOperation(
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26 | JDBCHelper helper, |
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27 | String dbName,
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28 | String schemaName,
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29 | String tableName
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30 | ) { |
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31 | super(helper);
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32 | this.dbName = dbName;
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33 | this.schemaName = schemaName;
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34 | this.tableName = tableName;
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35 | } |
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36 | |||
37 | @Override
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38 | public final Object perform(Connection conn) throws DataException { |
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39 | this.updateTableStatistics(conn, dbName, schemaName, tableName);
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40 | return true; |
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41 | } |
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42 | |||
43 | public void updateTableStatistics( |
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44 | Connection conn,
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45 | String database,
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46 | String schema,
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47 | String table
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48 | ) throws DataException {
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49 | |||
50 | JDBCSQLBuilderBase sqlbuilder = this.createSQLBuilder();
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51 | sqlbuilder.update_table_statistics().table().database(database).schema(schema).name(table); |
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52 | |||
53 | List<String> sqls; |
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54 | sqls = sqlbuilder.update_table_statistics().toStrings(); |
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55 | |||
56 | Statement st = null; |
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57 | try {
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58 | st = conn.createStatement(); |
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59 | for (String sql : sqls) { |
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60 | JDBCUtils.execute(st, sql); |
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61 | } |
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62 | } catch (SQLException ex) { |
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63 | throw new JDBCSQLException(ex); |
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64 | } finally {
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65 | JDBCUtils.closeQuietly(st); |
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66 | } |
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67 | } |
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68 | } |