Zoltan Borok-Nagy has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/24001 )

Change subject: IMPALA-14737: Push down LIKE predicates to Iceberg
......................................................................


Patch Set 2:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/24001/2/fe/src/main/java/org/apache/impala/common/IcebergPredicateConverter.java
File fe/src/main/java/org/apache/impala/common/IcebergPredicateConverter.java:

http://gerrit.cloudera.org:8080/#/c/24001/2/fe/src/main/java/org/apache/impala/common/IcebergPredicateConverter.java@227
PS2, Line 227:     for (int i = 0; i < pattern.length(); i++) {
             :       char c = pattern.charAt(i);
             :       if (c == '%' || c == '_') {
             :         firstWildcard = i;
             :         break;
             :       }
             :     }
Please note that wildcards can be escaped via '\':

 select * from t where s like 'asd%';
 +---+------+
 | i | s    |
 +---+------+
 | 1 | asdf |
 | 2 | asd% |
 +---+------+

 select * from t where s like 'asd\%';
 +---+------+
 | i | s    |
 +---+------+
 | 2 | asd% |
 +---+------+



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I548834126540bcc8d22efc872c2571293b8b7ec4
Gerrit-Change-Number: 24001
Gerrit-PatchSet: 2
Gerrit-Owner: Arnab Karmakar <[email protected]>
Gerrit-Reviewer: Arnab Karmakar <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Fri, 20 Feb 2026 15:49:55 +0000
Gerrit-HasComments: Yes

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