solr 数据源导入需要注意的问题 dataimport.xml
配置data-conf.xml配置文件时注意大小写。
<document name="faq"><entity name="t_faq" dataSource="jdbc" pk="id"transformer="ClobTransformer" query="select * from im_ry_faq t"><field column="id" name="id" /><field column="question" name="question" /><field column="ANSWER" name="answer" clob="true" /><field column="key_word" name="keywords" /></entity></document>
?ANSWER如果改成小写，那么ClobTransformer是不会被执行解析的。
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看solr如下代码
public Object transformRow(Map<String, Object> aRow, Context context) { for (Map<String, String> map : context.getAllEntityFields()) { if (!TRUE.equals(map.get(CLOB))) continue; String column = map.get(DataImporter.COLUMN); String srcCol = map.get(RegexTransformer.SRC_COL_NAME); if (srcCol == null) srcCol = column; Object o = aRow.get(srcCol); if (o instanceof List) { List<Clob> inputs = (List<Clob>) o; List<String> results = new ArrayList<String>(); for (Object input : inputs) { if (input instanceof Clob) { Clob clob = (Clob) input; results.add(readFromClob(clob)); } } aRow.put(column, results); } else { if (o instanceof Clob) { Clob clob = (Clob) o; aRow.put(column, readFromClob(clob)); } } } return aRow; }?Object o = aRow.get(srcCol);如果填写小写是获取不到对象。那么就不会被ClobTransformer即使你配置了也是无效的