houbb commented on PR #1530:
URL: https://github.com/apache/calcite/pull/1530#issuecomment-1951858039
@asereda-gs @shlok7296
In calcite-elasticsearch v1.36.0，I wanna to CONTAINS to search ES，but got
error。
It seems CONTAINS not support varchar type by default. How to fix it? thx
```java
private static void showContains(CalciteConnection calciteConnection) {
try {
String sql = "SELECT * FROM booksmapping WHERE title contains
'Java'";
Statement statement = calciteConnection.createStatement();
ResultSet resultSet = statement.executeQuery(sql);
System.out.println(ResultSetUtil.resultString(resultSet));
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
```
error logs
```
Caused by: org.apache.calcite.sql.validate.SqlValidatorException: Cannot
apply 'CONTAINS' to arguments of type '<VARCHAR> CONTAINS <CHAR(4)>'. Supported
form(s): '<DATETIME> CONTAINS <DATETIME>'
'<DATETIME> CONTAINS <DATETIME>'
'<DATETIME> CONTAINS <INTERVAL>'
'<DATETIME> CONTAINS <INTERVAL>'
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at
org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:507)
at org.apache.calcite.runtime.Resources$ExInst.ex(Resources.java:601)
... 37 more
```
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