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[Bug] Partition key's type has been changed after executing queries (#3348)

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Expr's `uncheckedCastTo()` method should return a new instance of casted expr.
The origin expr should remain unchanged.
This commit is contained in:
Mingyu Chen
2020-04-21 08:30:02 +08:00
committed by GitHub
parent 46272a5621
commit a2c8d14fd9
8 changed files with 96 additions and 10 deletions
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73
fe/src/test/java/org/apache/doris/analysis/ExprTest.java
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@ -18,6 +18,7 @@
package org.apache.doris.analysis;
import org.apache.doris.catalog.Table;
import org.apache.doris.catalog.Type;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.jmockit.Deencapsulation;
@ -86,4 +87,76 @@ public class ExprTest {
Assert.assertNotEquals(tableBColumns, null);
Assert.assertTrue(tableBColumns.contains("c1"));
}
@Test
public void testUncheckedCastTo() throws AnalysisException {
// uncheckedCastTo should return new object
// date
DateLiteral dateLiteral = new DateLiteral(2020, 4, 5, 12, 0, 5);
Assert.assertTrue(dateLiteral.getType().equals(Type.DATETIME));
DateLiteral castLiteral = (DateLiteral) dateLiteral.uncheckedCastTo(Type.DATE);
Assert.assertFalse(dateLiteral == castLiteral);
Assert.assertTrue(dateLiteral.getType().equals(Type.DATETIME));
Assert.assertTrue(castLiteral.getType().equals(Type.DATE));
Assert.assertEquals(0, castLiteral.getHour());
Assert.assertEquals(0, castLiteral.getMinute());
Assert.assertEquals(0, castLiteral.getSecond());
Assert.assertEquals(12, dateLiteral.getHour());
Assert.assertEquals(0, dateLiteral.getMinute());
Assert.assertEquals(5, dateLiteral.getSecond());
DateLiteral dateLiteral2 = new DateLiteral(2020, 4, 5);
Assert.assertTrue(dateLiteral2.getType().equals(Type.DATE));
castLiteral = (DateLiteral) dateLiteral2.uncheckedCastTo(Type.DATETIME);
Assert.assertFalse(dateLiteral2 == castLiteral);
Assert.assertTrue(dateLiteral2.getType().equals(Type.DATE));
Assert.assertTrue(castLiteral.getType().equals(Type.DATETIME));
Assert.assertEquals(0, castLiteral.getHour());
Assert.assertEquals(0, castLiteral.getMinute());
Assert.assertEquals(0, castLiteral.getSecond());
// float
FloatLiteral floatLiteral = new FloatLiteral(0.1, Type.FLOAT);
Assert.assertTrue(floatLiteral.getType().equals(Type.FLOAT));
FloatLiteral castFloatLiteral = (FloatLiteral) floatLiteral.uncheckedCastTo(Type.DOUBLE);
Assert.assertTrue(floatLiteral.getType().equals(Type.FLOAT));
Assert.assertTrue(castFloatLiteral.getType().equals(Type.DOUBLE));
Assert.assertFalse(floatLiteral == castFloatLiteral);
FloatLiteral castFloatLiteral2 = (FloatLiteral) floatLiteral.uncheckedCastTo(Type.FLOAT);
Assert.assertTrue(floatLiteral == castFloatLiteral2);
// int
IntLiteral intLiteral = new IntLiteral(200);
Assert.assertTrue(intLiteral.getType().equals(Type.SMALLINT));
IntLiteral castIntLiteral = (IntLiteral) intLiteral.uncheckedCastTo(Type.INT);
Assert.assertTrue(intLiteral.getType().equals(Type.SMALLINT));
Assert.assertTrue(castIntLiteral.getType().equals(Type.INT));
Assert.assertFalse(intLiteral == castIntLiteral);
IntLiteral castIntLiteral2 = (IntLiteral) intLiteral.uncheckedCastTo(Type.SMALLINT);
Assert.assertTrue(intLiteral == castIntLiteral2);
// null
NullLiteral nullLiternal = NullLiteral.create(Type.DATE);
Assert.assertTrue(nullLiternal.getType().equals(Type.DATE));
NullLiteral castNullLiteral = (NullLiteral) nullLiternal.uncheckedCastTo(Type.DATETIME);
Assert.assertTrue(nullLiternal.getType().equals(Type.DATE));
Assert.assertTrue(castNullLiteral.getType().equals(Type.DATETIME));
Assert.assertFalse(nullLiternal == castNullLiteral);
NullLiteral castNullLiteral2 = (NullLiteral) nullLiternal.uncheckedCastTo(Type.DATE);
Assert.assertTrue(nullLiternal == castNullLiteral2);
// string
StringLiteral stringLiteral = new StringLiteral("abc");
Assert.assertTrue(stringLiteral.getType().equals(Type.VARCHAR));
StringLiteral castStringLiteral = (StringLiteral) stringLiteral.uncheckedCastTo(Type.CHAR);
Assert.assertTrue(stringLiteral.getType().equals(Type.VARCHAR));
Assert.assertTrue(castStringLiteral.getType().equals(Type.CHAR));
Assert.assertFalse(stringLiteral == castStringLiteral);
StringLiteral castStringLiteral2 = (StringLiteral) stringLiteral.uncheckedCastTo(Type.VARCHAR);
Assert.assertTrue(stringLiteral == castStringLiteral2);
}
}