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(improvement)[headless] Remove the as alias containing _ during the headless stage. (#1767)

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lexluo09
2024-10-10 11:53:57 +08:00
committed by GitHub
parent 182531d48c
commit 0299743c69
3 changed files with 81 additions and 6 deletions
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26
common/src/main/java/com/tencent/supersonic/common/jsqlparser/SqlRemoveHelper.java
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@@ -37,10 +37,34 @@ import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/** Sql Parser remove Helper */
/**
* Sql Parser remove Helper
*/
@Slf4j
public class SqlRemoveHelper {
private static Pattern pattern =
Pattern.compile("([\\s,\\t\\n]|\\b)_([^\\s,\\t\\n]+)_([\\s,\\t\\n]|\\b)");
public static String removeUnderscores(String sql) {
try {
Matcher matcher = pattern.matcher(sql);
StringBuffer result = new StringBuffer();
while (matcher.find()) {
matcher.appendReplacement(result,
matcher.group(1) + matcher.group(2) + matcher.group(3));
}
matcher.appendTail(result);
return result.toString();
} catch (Exception e) {
log.error("removeUnderscores error", e);
}
return sql;
}
public static String removeAsteriskAndAddFields(String sql, Set<String> needAddDefaultFields) {
Select selectStatement = SqlSelectHelper.getSelect(sql);