use of org.apache.ibatis.mapping.BoundSql in project Mybatis-PageHelper by pagehelper.
the class QueryInterceptor method intercept.
@Override
public Object intercept(Invocation invocation) throws Throwable {
Object[] args = invocation.getArgs();
MappedStatement ms = (MappedStatement) args[0];
Object parameter = args[1];
RowBounds rowBounds = (RowBounds) args[2];
ResultHandler resultHandler = (ResultHandler) args[3];
Executor executor = (Executor) invocation.getTarget();
CacheKey cacheKey;
BoundSql boundSql;
//由于逻辑关系,只会进入一次
if (args.length == 4) {
//4 个参数时
boundSql = ms.getBoundSql(parameter);
cacheKey = executor.createCacheKey(ms, parameter, rowBounds, boundSql);
} else {
//6 个参数时
cacheKey = (CacheKey) args[4];
boundSql = (BoundSql) args[5];
}
//注:下面的方法可以根据自己的逻辑调用多次,在分页插件中,count 和 page 各调用了一次
return executor.query(ms, parameter, rowBounds, resultHandler, cacheKey, boundSql);
}
use of org.apache.ibatis.mapping.BoundSql in project mybatis-3 by mybatis.
the class DefaultResultSetHandlerTest method shouldRetainColumnNameCase.
/**
* Contrary to the spec, some drivers require case-sensitive column names when getting result.
*
* @see <a href="http://code.google.com/p/mybatis/issues/detail?id=557">Issue 557</a>
*/
@Test
public void shouldRetainColumnNameCase() throws Exception {
final MappedStatement ms = getMappedStatement();
final Executor executor = null;
final ParameterHandler parameterHandler = null;
final ResultHandler resultHandler = null;
final BoundSql boundSql = null;
final RowBounds rowBounds = new RowBounds(0, 100);
final DefaultResultSetHandler fastResultSetHandler = new DefaultResultSetHandler(executor, ms, parameterHandler, resultHandler, boundSql, rowBounds);
when(stmt.getResultSet()).thenReturn(rs);
when(rs.getMetaData()).thenReturn(rsmd);
when(rs.getType()).thenReturn(ResultSet.TYPE_FORWARD_ONLY);
when(rs.next()).thenReturn(true).thenReturn(false);
when(rs.getInt("CoLuMn1")).thenReturn(100);
when(rs.wasNull()).thenReturn(false);
when(rsmd.getColumnCount()).thenReturn(1);
when(rsmd.getColumnLabel(1)).thenReturn("CoLuMn1");
when(rsmd.getColumnType(1)).thenReturn(Types.INTEGER);
when(rsmd.getColumnClassName(1)).thenReturn(Integer.class.getCanonicalName());
when(stmt.getConnection()).thenReturn(conn);
when(conn.getMetaData()).thenReturn(dbmd);
// for simplicity.
when(dbmd.supportsMultipleResultSets()).thenReturn(false);
final List<Object> results = fastResultSetHandler.handleResultSets(stmt);
assertEquals(1, results.size());
assertEquals(Integer.valueOf(100), ((HashMap) results.get(0)).get("cOlUmN1"));
}
use of org.apache.ibatis.mapping.BoundSql in project mybatis-3 by mybatis.
the class DynamicSqlSourceTest method shouldIterateOnceForEachItemInCollection.
@Test
public void shouldIterateOnceForEachItemInCollection() throws Exception {
final HashMap<String, String[]> parameterObject = new HashMap<String, String[]>() {
{
put("array", new String[] { "one", "two", "three" });
}
};
final String expected = "SELECT * FROM BLOG WHERE ID in ( one = ? AND two = ? AND three = ? )";
DynamicSqlSource source = createDynamicSqlSource(new TextSqlNode("SELECT * FROM BLOG WHERE ID in"), new ForEachSqlNode(new Configuration(), mixedContents(new TextSqlNode("${item} = #{item}")), "array", "index", "item", "(", ")", "AND"));
BoundSql boundSql = source.getBoundSql(parameterObject);
assertEquals(expected, boundSql.getSql());
assertEquals(3, boundSql.getParameterMappings().size());
assertEquals("__frch_item_0", boundSql.getParameterMappings().get(0).getProperty());
assertEquals("__frch_item_1", boundSql.getParameterMappings().get(1).getProperty());
assertEquals("__frch_item_2", boundSql.getParameterMappings().get(2).getProperty());
}
use of org.apache.ibatis.mapping.BoundSql in project mybatis-3 by mybatis.
the class DynamicSqlSourceTest method shouldTrimWHEREInsteadOfANDForBothConditions.
@Test
public void shouldTrimWHEREInsteadOfANDForBothConditions() throws Exception {
final String expected = "SELECT * FROM BLOG WHERE ID = ? OR NAME = ?";
DynamicSqlSource source = createDynamicSqlSource(new TextSqlNode("SELECT * FROM BLOG"), new WhereSqlNode(new Configuration(), mixedContents(new IfSqlNode(mixedContents(new TextSqlNode(" and ID = ? ")), "true"), new IfSqlNode(mixedContents(new TextSqlNode("OR NAME = ? ")), "true"))));
BoundSql boundSql = source.getBoundSql(null);
assertEquals(expected, boundSql.getSql());
}
use of org.apache.ibatis.mapping.BoundSql in project mybatis-3 by mybatis.
the class DynamicSqlSourceTest method shouldTrimWHEREORWithLFForFirstCondition.
@Test
public void shouldTrimWHEREORWithLFForFirstCondition() throws Exception {
final String expected = "SELECT * FROM BLOG WHERE \n ID = ?";
DynamicSqlSource source = createDynamicSqlSource(new TextSqlNode("SELECT * FROM BLOG"), new WhereSqlNode(new Configuration(), mixedContents(new IfSqlNode(mixedContents(new TextSqlNode(" or\n ID = ? ")), "true"))));
BoundSql boundSql = source.getBoundSql(null);
assertEquals(expected, boundSql.getSql());
}
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