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Fix spark lambdas#65

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vertical-blank merged 2 commits intovertical-blank:masterfrom
NathanEckert:fix/spark_lambdas
May 25, 2023
Merged

Fix spark lambdas#65
vertical-blank merged 2 commits intovertical-blank:masterfrom
NathanEckert:fix/spark_lambdas

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@NathanEckert
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This PR solves the following issue:

In Spark SQL, it is possible to use lambda.

However, the formatter is breaking valid SQL statements:

import static org.assertj.core.api.Assertions.assertThat;

import com.github.vertical_blank.sqlformatter.SqlFormatter;
import com.github.vertical_blank.sqlformatter.languages.Dialect;
import org.junit.jupiter.api.Test;

public class TestFormatter {

	String SQL_INPUT = "SELECT aggregate(array(1, 2, 3), 0, (acc, x) -> acc + x, acc -> acc * 10);";

	@Test
	public void testFormatter() {
		assertThat(SqlFormatter.of(Dialect.SparkSql).format(SQL_INPUT)).contains("->");

	}

}

The output is:

java.lang.AssertionError: 
Expecting actual:
  "SELECT
  aggregate(array(1, 2, 3), 0, (acc, x) - > acc + x, acc - > acc * 10);"
to contain:
  "->"

In order to be valid Spark SQL, the symbol -> should be kept as a whole and not split into - >

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@NathanEckert
Thanks for the PR.
Could you please run mvn spotless:apply and format the code?

@NathanEckert
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mvn spotless:apply

Done

@vertical-blank vertical-blank merged commit 5120732 into vertical-blank:master May 25, 2023
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LGTM

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2 participants