带有多个选择参数的android sqlite查询代码
我正在用大约20个可能的条件构建sqlite查询参数。 我想在这里实现的是,当只设置了20个条件中的少数条件时,如何动态调整并从查询中删除未使用的条件带有多个选择参数的android sqlite查询代码,android,mysql,sqlite,datepicker,Android,Mysql,Sqlite,Datepicker,我正在用大约20个可能的条件构建sqlite查询参数。 我想在这里实现的是,当只设置了20个条件中的少数条件时,如何动态调整并从查询中删除未使用的条件 String selection = ProjectEntry.COLUMN_CR_NUMBER + " LIKE?" + " AND " + ProjectEntry.COLUMN_PHASE + " LIKE?" + " AND " + ProjectEntry.COLUMN_C
String selection = ProjectEntry.COLUMN_CR_NUMBER + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_PHASE + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_CATEGORY + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_PRIORITY + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_PERCENT_COMPLETION + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_REGION + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_BU + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_PROJECT_NAME + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_RAG + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_PO_DATE + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_CUSTOMER_DUE_DATE + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_CURRENT_BASELINE_DUE_DATE + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_FORECASTED_DUE_DATE + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_ACTUAL_COMPLETE_DATE + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_STATUS + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_CUSTOMER_REF + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_CUSTOMER_COST_CENTER + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_COUNTRY + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_CUSTOMER_PM + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_PM + " LIKE?" + " AND "
+ ProjectEntry.COLUMN_ENGINEER + " LIKE?"
;
String[] selectionArg = {
"%" + queryCrNumber + "%",
"%" + queryPhase + "%",
"%" + queryCategory + "%",
"%" + queryPriority + "%",
"%" + queryPercentCompletion + "%",
"%" + queryRegion + "%",
"%" + queryBu + "%",
"%" + queryProjectName + "%",
"%" + queryRag + "%",
"%" + queryPoDate + "%",
"%" + queryCustomerDueDate + "%",
"%" + queryCurrentBaselineDueDate + "%",
"%" + queryForecastedDueDate + "%",
"%" + queryActualCompletionDate + "%",
"%" + queryStatus + "%",
"%" + queryCustomerRef + "%",
"%" + queryCustomerCostCenter + "%",
"%" + queryCountry + "%",
"%" + queryCustomerPM + "%",
"%" + queryPM+ "%",
"%" + queryEngineer + "%"
};
您可以使用conditions@JK Seocan动态构建字符串,您可以在其中设置所有选择参数,这样我就可以为动态字符串@JK Seo创建函数