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Posted to issues@calcite.apache.org by "Julian Hyde (Jira)" <ji...@apache.org> on 2020/04/16 23:46:00 UTC

[jira] [Updated] (CALCITE-3933) Incorrect SQL Emitted for Unicode for Several Dialects

     [ https://issues.apache.org/jira/browse/CALCITE-3933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde updated CALCITE-3933:
---------------------------------
    Affects Version/s: 1.22.0

> Incorrect SQL Emitted for Unicode for Several Dialects
> ------------------------------------------------------
>
>                 Key: CALCITE-3933
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3933
>             Project: Calcite
>          Issue Type: Bug
>    Affects Versions: 1.22.0
>         Environment: master with latest commit on April 15 (
> dfb842e55e1fa7037c8a731341010ed1c0cfb6f7)
>            Reporter: Aryeh Hillman
>            Priority: Major
>
> A string literal like "schön" should emit "schön" in SQL for most dialects (BigQuery, MySQL, Redshift and a few others), but instead emits "u&'sch\\00f6n'" (ISO-8859-1 ASCII).  It's possible that some dialects may support ISO-8859, but in my tests with BigQuery Standard SQL, MySQL, and Redshift engines, "select u&'sch\\00f6n';` fails but "select 'schön';` succeeds.
> Test that demonstrates (add to `org/apache/calcite/rel/rel2sql/RelToSqlConverterTest.java` and run from there):
> {code:java}
> @Test void testBigQueryUnicode() {
>   final Function<RelBuilder, RelNode> relFn = b ->
>           b.scan("EMP")
>                   .filter(
>                           b.call(SqlStdOperatorTable.IN, b.field("ENAME"),
>                                   b.literal("schön")))
>                   .build();
>   final String expectedSql = "SELECT *\n"
>           + "FROM \"scott\".\"EMP\"\n"
>           + "WHERE \"ENAME\" IN ('schön')";
>   relFn(relFn).withBigQuery().ok(expectedSql);
> }
> {code}
>   



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