HI,
先读取文件A,每读取一行数据后, 拿这条数据去另外一个文件B中查找与之匹配的行(有匹配规则),请问这种场景使用Flink 怎么表达?
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Hi, 请问:
env.setParallelism(8);
source = select * from table1,
Table filterTable = source.filter(x-> x>10).limit(1);
try (CloseableIterator rows = filterTable.execute().collect()) {
while (rows.hasNext()) {
Row r = rows.next();
String a = r.getField(1).toString();
Hi, 请问:
env.setParallelism(8);
source = select * from table1,
Table filterTable = source.filter(x-> x>10);
try (CloseableIterator rows = filterTable.execute().collect()) {
while (rows.hasNext()) {
Row r = rows.next();
String a = r.getField(1).toString();