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synchronizer jdbc & optimize

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MaxKey
2022-12-04 18:37:38 +08:00
parent 823383d95f
commit 7367666adc
20 changed files with 744 additions and 279 deletions
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28
maxkey-common/src/main/java/org/maxkey/util/JdbcUtils.java
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@@ -20,9 +20,14 @@ package org.maxkey.util;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import org.maxkey.entity.DbTableColumn;
import org.maxkey.entity.DbTableMetaData;
public class JdbcUtils {
public static Connection connect(String url, String user, String pwd, String driverClass) {
@@ -106,6 +111,27 @@ public class JdbcUtils {
}
}
}
public static DbTableMetaData getMetaData(ResultSet rs) {
try {
ResultSetMetaData metaData = rs.getMetaData();
DbTableMetaData meta = new DbTableMetaData(metaData.getTableName(1));
int count = metaData.getColumnCount();
for (int i = 1; i <= count; i++) {
DbTableColumn column = new DbTableColumn(
metaData.getColumnName(i).toLowerCase(),
metaData.getColumnTypeName(i),
metaData.getPrecision(i),
metaData.getScale(i)
);
meta.getColumns().add(column);
meta.getColumnsMap().put(column.getColumn(), column);
}
return meta;
} catch (SQLException e) {
e.printStackTrace();
}
return null;
}
}