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[fix](Nereids) constant folding for str_to_date on datev1 is wrong #37360

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Jul 7, 2024
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[fix](Nereids) constant folding for str_to_date on datev1 is wrong #37360

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24 changes: 20 additions & 4 deletions ...che/doris/nereids/trees/expressions/functions/executable/DateTimeExtractAndTransform.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,8 @@

package org.apache.doris.nereids.trees.expressions.functions.executable;

import org.apache.doris.catalog.ScalarType;
import org.apache.doris.catalog.Type;
import org.apache.doris.nereids.exceptions.AnalysisException;
import org.apache.doris.nereids.trees.expressions.ExecFunction;
import org.apache.doris.nereids.trees.expressions.Expression;
Expand All @@ -32,8 +34,10 @@
import org.apache.doris.nereids.trees.expressions.literal.StringLikeLiteral;
import org.apache.doris.nereids.trees.expressions.literal.TinyIntLiteral;
import org.apache.doris.nereids.trees.expressions.literal.VarcharLiteral;
import org.apache.doris.nereids.types.DataType;
import org.apache.doris.nereids.types.DateTimeV2Type;
import org.apache.doris.nereids.types.DateType;
import org.apache.doris.nereids.types.DateV2Type;
import org.apache.doris.nereids.types.DecimalV3Type;
import org.apache.doris.nereids.types.VarcharType;
import org.apache.doris.nereids.util.DateUtils;
Expand Down Expand Up @@ -611,11 +615,23 @@ public static Expression makeDate(IntegerLiteral year, IntegerLiteral dayOfYear)
@ExecFunction(name = "str_to_date", argTypes = {"VARCHAR", "VARCHAR"}, returnType = "DATETIMEV2")
public static Expression strToDate(StringLikeLiteral str, StringLikeLiteral format) {
if (org.apache.doris.analysis.DateLiteral.hasTimePart(format.getStringValue())) {
return DateTimeV2Literal.fromJavaDateType(DateUtils.getTime(DateUtils.formatBuilder(format.getValue())
.toFormatter(), str.getValue()));
DataType returnType = DataType.fromCatalogType(ScalarType.getDefaultDateType(Type.DATETIME));
if (returnType instanceof DateTimeV2Type) {
return DateTimeV2Literal.fromJavaDateType(DateUtils.getTime(DateUtils.formatBuilder(format.getValue())
.toFormatter(), str.getValue()));
} else {
return DateTimeLiteral.fromJavaDateType(DateUtils.getTime(DateUtils.formatBuilder(format.getValue())
.toFormatter(), str.getValue()));
}
} else {
return DateV2Literal.fromJavaDateType(DateUtils.getTime(DateUtils.formatBuilder(format.getValue())
.toFormatter(), str.getValue()));
DataType returnType = DataType.fromCatalogType(ScalarType.getDefaultDateType(Type.DATE));
if (returnType instanceof DateV2Type) {
return DateV2Literal.fromJavaDateType(DateUtils.getTime(DateUtils.formatBuilder(format.getValue())
.toFormatter(), str.getValue()));
} else {
return DateLiteral.fromJavaDateType(DateUtils.getTime(DateUtils.formatBuilder(format.getValue())
.toFormatter(), str.getValue()));
}
}
}

Expand Down
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