root / trunk / libraries / libGDBMS / src / main / java / com / hardcode / gdbms / driver / odbc / ODBCDriver.java @ 9767
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1 | 3199 | fjp | /*
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2 | * Created on 16-oct-2004
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3 | */
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4 | package com.hardcode.gdbms.driver.odbc; |
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5 | |||
6 | import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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7 | import com.hardcode.gdbms.engine.data.db.JDBCSupport; |
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8 | import com.hardcode.gdbms.engine.data.driver.AlphanumericDBDriver; |
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9 | import com.hardcode.gdbms.engine.data.driver.DriverException; |
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10 | import com.hardcode.gdbms.engine.values.Value; |
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11 | import com.hardcode.gdbms.engine.values.ValueWriter; |
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12 | 9767 | azabala | import com.iver.cit.gvsig.fmap.drivers.FieldDescription; |
13 | import com.iver.cit.gvsig.fmap.drivers.ITableDefinition; |
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14 | import com.iver.cit.gvsig.fmap.drivers.TableDefinition; |
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15 | 5690 | fjp | import com.iver.cit.gvsig.fmap.edition.IWriteable; |
16 | import com.iver.cit.gvsig.fmap.edition.IWriter; |
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17 | import com.iver.cit.gvsig.fmap.edition.writers.JdbcWriter; |
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18 | 9767 | azabala | import com.iver.utiles.NumberUtilities; |
19 | 3199 | fjp | |
20 | import java.sql.Connection; |
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21 | import java.sql.Date; |
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22 | import java.sql.DriverManager; |
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23 | 5690 | fjp | import java.sql.ResultSet; |
24 | 3199 | fjp | import java.sql.SQLException; |
25 | 5690 | fjp | import java.sql.Statement; |
26 | 3199 | fjp | import java.sql.Time; |
27 | import java.sql.Timestamp; |
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28 | |||
29 | import java.text.DateFormat; |
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30 | import java.text.SimpleDateFormat; |
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31 | |||
32 | import java.util.HashMap; |
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33 | |||
34 | |||
35 | /**
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36 | * MySQL driver
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37 | *
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38 | * @author Fernando Gonz?lez Cort?s
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39 | */
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40 | 5690 | fjp | public class ODBCDriver implements AlphanumericDBDriver, IWriteable { |
41 | 3199 | fjp | private static Exception driverException; |
42 | private static DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); |
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43 | private static DateFormat timeFormat = new SimpleDateFormat( |
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44 | "yyyy-MM-dd HH:mm:ss");
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45 | private static ValueWriter vWriter = ValueWriter.internalValueWriter; |
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46 | |||
47 | static {
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48 | try {
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49 | Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newInstance(); |
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50 | } catch (Exception ex) { |
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51 | driverException = ex; |
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52 | } |
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53 | } |
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54 | |||
55 | private JDBCSupport jdbcSupport;
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56 | 5690 | fjp | private JdbcWriter jdbcWriter = new JdbcWriter(); |
57 | |||
58 | 3199 | fjp | /**
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59 | * DOCUMENT ME!
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60 | *
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61 | * @param host DOCUMENT ME!
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62 | * @param port DOCUMENT ME!
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63 | * @param dbName DOCUMENT ME!
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64 | * @param user DOCUMENT ME!
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65 | * @param password DOCUMENT ME!
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66 | *
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67 | * @return DOCUMENT ME!
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68 | *
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69 | * @throws SQLException
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70 | * @throws RuntimeException DOCUMENT ME!
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71 | *
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72 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#connect(java.lang.String)
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73 | */
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74 | public Connection getConnection(String host, int port, String dbName, |
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75 | String user, String password) throws SQLException { |
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76 | if (driverException != null) { |
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77 | throw new RuntimeException(driverException); |
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78 | } |
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79 | |||
80 | String connectionString = "jdbc:odbc:" + dbName; |
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81 | |||
82 | if (user != null) { |
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83 | connectionString += (";UID=" + user + ";PWD=" + password); |
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84 | } |
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85 | |||
86 | return DriverManager.getConnection(connectionString); |
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87 | } |
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88 | |||
89 | /**
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90 | * @see com.hardcode.driverManager.Driver#getName()
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91 | */
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92 | public String getName() { |
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93 | return "odbc"; |
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94 | } |
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95 | |||
96 | /**
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97 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#executeSQL(java.sql.Connection,
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98 | * java.lang.String)
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99 | */
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100 | public void open(Connection con, String sql) throws SQLException { |
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101 | jdbcSupport = JDBCSupport.newJDBCSupport(con, sql); |
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102 | 5690 | fjp | |
103 | jdbcWriter.setCreateTable(false);
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104 | jdbcWriter.setWriteAll(false);
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105 | Statement st = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, |
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106 | ResultSet.CONCUR_UPDATABLE);
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107 | ResultSet res = st.executeQuery(sql);
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108 | |||
109 | jdbcWriter.initialize(con, res); |
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110 | |||
111 | 3199 | fjp | } |
112 | |||
113 | /**
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114 | * DOCUMENT ME!
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115 | *
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116 | * @return DOCUMENT ME!
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117 | *
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118 | * @throws DriverException DOCUMENT ME!
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119 | */
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120 | public int getFieldCount() throws DriverException { |
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121 | return jdbcSupport.getFieldCount();
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122 | } |
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123 | |||
124 | /**
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125 | * DOCUMENT ME!
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126 | *
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127 | * @param fieldId DOCUMENT ME!
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128 | *
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129 | * @return DOCUMENT ME!
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130 | *
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131 | * @throws DriverException DOCUMENT ME!
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132 | */
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133 | public String getFieldName(int fieldId) throws DriverException { |
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134 | return jdbcSupport.getFieldName(fieldId);
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135 | } |
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136 | |||
137 | /**
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138 | * DOCUMENT ME!
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139 | *
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140 | * @param i DOCUMENT ME!
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141 | *
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142 | * @return DOCUMENT ME!
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143 | *
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144 | * @throws DriverException DOCUMENT ME!
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145 | */
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146 | public int getFieldType(int i) throws DriverException { |
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147 | return jdbcSupport.getFieldType(i);
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148 | } |
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149 | |||
150 | /**
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151 | * DOCUMENT ME!
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152 | *
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153 | * @param rowIndex DOCUMENT ME!
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154 | * @param fieldId DOCUMENT ME!
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155 | *
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156 | * @return DOCUMENT ME!
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157 | *
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158 | * @throws DriverException DOCUMENT ME!
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159 | */
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160 | public Value getFieldValue(long rowIndex, int fieldId) |
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161 | throws DriverException {
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162 | return jdbcSupport.getFieldValue(rowIndex, fieldId);
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163 | } |
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164 | |||
165 | /**
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166 | * DOCUMENT ME!
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167 | *
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168 | * @return DOCUMENT ME!
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169 | *
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170 | * @throws DriverException DOCUMENT ME!
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171 | */
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172 | public long getRowCount() throws DriverException { |
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173 | return jdbcSupport.getRowCount();
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174 | } |
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175 | |||
176 | /**
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177 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#close()
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178 | */
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179 | public void close() throws SQLException { |
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180 | jdbcSupport.close(); |
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181 | } |
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182 | |||
183 | /**
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184 | * @see com.hardcode.gdbms.engine.data.driver.DriverCommons#getDriverProperties()
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185 | */
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186 | public HashMap getDriverProperties() { |
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187 | return null; |
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188 | } |
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189 | |||
190 | /**
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191 | * @see com.hardcode.gdbms.engine.data.driver.DriverCommons#setDataSourceFactory(com.hardcode.gdbms.engine.data.DataSourceFactory)
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192 | */
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193 | public void setDataSourceFactory(DataSourceFactory dsf) { |
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194 | } |
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195 | |||
196 | /**
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197 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#execute(java.sql.Connection,
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198 | * java.lang.String, com.hardcode.gdbms.engine.data.HasProperties)
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199 | */
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200 | public void execute(Connection con, String sql) throws SQLException { |
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201 | JDBCSupport.execute(con, sql); |
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202 | } |
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203 | |||
204 | /**
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205 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getInternalTableName(java.lang.String)
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206 | */
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207 | public String getInternalTableName(String tableName) { |
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208 | return tableName;
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209 | } |
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210 | |||
211 | /**
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212 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(long)
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213 | */
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214 | public String getStatementString(long i) { |
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215 | return vWriter.getStatementString(i);
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216 | } |
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217 | |||
218 | /**
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219 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(int,
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220 | * int)
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221 | */
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222 | public String getStatementString(int i, int sqlType) { |
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223 | return vWriter.getStatementString(i, sqlType);
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224 | } |
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225 | |||
226 | /**
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227 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(double,
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228 | * int)
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229 | */
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230 | public String getStatementString(double d, int sqlType) { |
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231 | return vWriter.getStatementString(d, sqlType);
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232 | } |
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233 | |||
234 | /**
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235 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(java.lang.String,
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236 | * int)
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237 | */
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238 | public String getStatementString(String str, int sqlType) { |
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239 | return vWriter.getStatementString(str, sqlType);
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240 | } |
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241 | |||
242 | /**
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243 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(java.sql.Date)
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244 | */
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245 | public String getStatementString(Date d) { |
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246 | return dateFormat.format(d);
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247 | } |
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248 | |||
249 | /**
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250 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(java.sql.Time)
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251 | */
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252 | public String getStatementString(Time t) { |
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253 | return timeFormat.format(t);
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254 | } |
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255 | |||
256 | /**
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257 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(java.sql.Timestamp)
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258 | */
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259 | public String getStatementString(Timestamp ts) { |
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260 | return timeFormat.format(ts);
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261 | } |
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262 | |||
263 | /**
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264 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(byte[])
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265 | */
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266 | public String getStatementString(byte[] binary) { |
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267 | return "x" + vWriter.getStatementString(binary); |
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268 | } |
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269 | |||
270 | /**
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271 | * @see com.hardcode.gdbms.engine.data.driver.DBDriver#getStatementString(boolean)
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272 | */
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273 | public String getStatementString(boolean b) { |
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274 | return vWriter.getStatementString(b);
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275 | } |
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276 | |||
277 | /**
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278 | * @see com.hardcode.gdbms.engine.values.ValueWriter#getNullStatementString()
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279 | */
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280 | public String getNullStatementString() { |
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281 | return "null"; |
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282 | } |
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283 | 4851 | jmvivo | public int getFieldWidth(int i) throws DriverException { |
284 | return jdbcSupport.getFieldWidth(i);
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285 | } |
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286 | 5690 | fjp | |
287 | public IWriter getWriter() {
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288 | return jdbcWriter;
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289 | } |
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290 | 9767 | azabala | |
291 | public ITableDefinition getTableDefinition() {
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292 | TableDefinition tableDef = new TableDefinition();
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293 | try {
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294 | tableDef.setFieldsDesc(getFieldsDescription()); |
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295 | } catch (DriverException e) {
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296 | throw new RuntimeException(e);//excepcion sin chequear |
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297 | } |
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298 | return tableDef;
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299 | } |
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300 | |||
301 | /*azabala
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302 | TODO Codigo repetido entre ODBCDriver y AbstractJDBCDriver.
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303 | Igual hay que ponerlo en una clase auxiliar comun
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304 | *
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305 | */
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306 | private FieldDescription[] getFieldsDescription() throws DriverException |
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307 | { |
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308 | int numFields = getFieldCount();
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309 | FieldDescription[] fieldsDescrip = new FieldDescription[numFields]; |
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310 | for (int i = 0; i < numFields; i++) { |
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311 | fieldsDescrip[i] = new FieldDescription();
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312 | int type = getFieldType(i);
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313 | fieldsDescrip[i].setFieldType(type); |
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314 | fieldsDescrip[i].setFieldName(getFieldName(i)); |
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315 | fieldsDescrip[i].setFieldLength(getFieldWidth(i)); |
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316 | if (NumberUtilities.isNumeric(type))
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317 | { |
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318 | if (!NumberUtilities.isNumericInteger(type))
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319 | // TODO: If there is a lost in precision, this should be changed.
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320 | fieldsDescrip[i].setFieldDecimalCount(6);
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321 | } |
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322 | else
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323 | fieldsDescrip[i].setFieldDecimalCount(0);
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324 | // TODO: ?DEFAULTVALUE?
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325 | // fieldsDescrip[i].setDefaultValue(get)
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326 | } |
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327 | return fieldsDescrip;
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328 | } |
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329 | 3199 | fjp | } |