[
https://issues.apache.org/jira/browse/HIVE-26768?focusedWorklogId=829246&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-829246
]
ASF GitHub Bot logged work on HIVE-26768:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 28/Nov/22 09:47
Start Date: 28/Nov/22 09:47
Worklog Time Spent: 10m
Work Description: kasakrisz commented on code in PR #3808:
URL: https://github.com/apache/hive/pull/3808#discussion_r1033316738
##########
hplsql/src/main/java/org/apache/hive/hplsql/udf/Udf.java:
##########
@@ -128,27 +127,96 @@ public Object evaluate(DeferredObject[] arguments) throws
HiveException {
void setParameters(DeferredObject[] arguments) throws HiveException {
for (int i = 1; i < arguments.length; i++) {
String name = ":" + i;
- if (argumentsOI[i] instanceof StringObjectInspector) {
- String value =
((StringObjectInspector)argumentsOI[i]).getPrimitiveJavaObject(arguments[i].get());
- if (value != null) {
- exec.setVariable(name, value);
- }
+ Object inputObject = arguments[i].get();
+ ObjectInspector objectInspector = argumentsOI[i];
+ if (objectInspector.getCategory() == ObjectInspector.Category.PRIMITIVE)
{
+ setParameterForPrimitiveTypeArgument(name, inputObject,
objectInspector);
+ } else {
+ exec.setVariableToNull(name);
}
- else if (argumentsOI[i] instanceof IntObjectInspector) {
- Integer value =
(Integer)((IntObjectInspector)argumentsOI[i]).getPrimitiveJavaObject(arguments[i].get());
- if (value != null) {
- exec.setVariable(name, new Var(new Long(value)));
- }
+ }
+ }
+
+ private void setParameterForPrimitiveTypeArgument(String name, Object
inputObject, ObjectInspector objectInspector) {
+ PrimitiveObjectInspector.PrimitiveCategory primitiveCategory =
+ ((PrimitiveObjectInspector) objectInspector).getPrimitiveCategory();
+ switch (primitiveCategory) {
+ case BOOLEAN:
+ Boolean booleanValue = (Boolean) ((BooleanObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (booleanValue != null) {
+ exec.setVariable(name, new Var(booleanValue));
}
- else if (argumentsOI[i] instanceof LongObjectInspector) {
- Long value =
(Long)((LongObjectInspector)argumentsOI[i]).getPrimitiveJavaObject(arguments[i].get());
- if (value != null) {
- exec.setVariable(name, new Var(value));
- }
+ break;
+ case SHORT:
+ Short shortValue = (Short) ((ShortObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (shortValue != null) {
+ exec.setVariable(name, new Var(shortValue.longValue()));
}
- else {
- exec.setVariableToNull(name);
+ break;
+ case INT:
+ Integer intValue = (Integer) ((IntObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (intValue != null) {
+ exec.setVariable(name, new Var(intValue.longValue()));
+ }
+ break;
+ case LONG:
+ Long longValue = (Long) ((LongObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (longValue != null) {
+ exec.setVariable(name, new Var(longValue));
+ }
+ break;
+ case FLOAT:
+ Float floatValue = (Float) ((FloatObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (floatValue != null) {
+ exec.setVariable(name, new Var(floatValue.doubleValue()));
+ }
+ break;
+ case DOUBLE:
+ Double doubleValue = (Double) ((DoubleObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (doubleValue != null) {
+ exec.setVariable(name, new Var(doubleValue));
+ }
+ break;
+ case STRING:
+ String strValue = ((StringObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (strValue != null) {
+ exec.setVariable(name, strValue);
+ }
+ break;
+ case DATE:
+ Date dateValue = ((DateObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (dateValue != null) {
+ exec.setVariable(name, new
Var(java.sql.Date.valueOf(dateValue.toString())));
+ }
+ break;
+ case TIMESTAMP:
+ Timestamp timestampValue = ((TimestampObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (timestampValue != null) {
+ java.sql.Timestamp timestamp =
java.sql.Timestamp.valueOf(timestampValue.toString());
+ timestamp.setNanos(timestampValue.getNanos());
+ exec.setVariable(name, new Var(timestamp, 0));
+ }
+ break;
+ case DECIMAL:
+ HiveDecimal decimalValue = ((HiveDecimalObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (decimalValue != null) {
+ exec.setVariable(name, new Var(decimalValue.bigDecimalValue()));
+ }
+ break;
+ case VARCHAR:
+ HiveVarchar varcharValue = ((HiveVarcharObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (varcharValue != null) {
+ exec.setVariable(name, varcharValue.getValue());
Review Comment:
Should the valued be wrapped in a Var instance?
##########
hplsql/src/main/java/org/apache/hive/hplsql/udf/Udf.java:
##########
@@ -128,27 +127,96 @@ public Object evaluate(DeferredObject[] arguments) throws
HiveException {
void setParameters(DeferredObject[] arguments) throws HiveException {
for (int i = 1; i < arguments.length; i++) {
String name = ":" + i;
- if (argumentsOI[i] instanceof StringObjectInspector) {
- String value =
((StringObjectInspector)argumentsOI[i]).getPrimitiveJavaObject(arguments[i].get());
- if (value != null) {
- exec.setVariable(name, value);
- }
+ Object inputObject = arguments[i].get();
+ ObjectInspector objectInspector = argumentsOI[i];
+ if (objectInspector.getCategory() == ObjectInspector.Category.PRIMITIVE)
{
+ setParameterForPrimitiveTypeArgument(name, inputObject,
objectInspector);
+ } else {
+ exec.setVariableToNull(name);
}
- else if (argumentsOI[i] instanceof IntObjectInspector) {
- Integer value =
(Integer)((IntObjectInspector)argumentsOI[i]).getPrimitiveJavaObject(arguments[i].get());
- if (value != null) {
- exec.setVariable(name, new Var(new Long(value)));
- }
+ }
+ }
+
+ private void setParameterForPrimitiveTypeArgument(String name, Object
inputObject, ObjectInspector objectInspector) {
+ PrimitiveObjectInspector.PrimitiveCategory primitiveCategory =
+ ((PrimitiveObjectInspector) objectInspector).getPrimitiveCategory();
+ switch (primitiveCategory) {
+ case BOOLEAN:
+ Boolean booleanValue = (Boolean) ((BooleanObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (booleanValue != null) {
+ exec.setVariable(name, new Var(booleanValue));
}
- else if (argumentsOI[i] instanceof LongObjectInspector) {
- Long value =
(Long)((LongObjectInspector)argumentsOI[i]).getPrimitiveJavaObject(arguments[i].get());
- if (value != null) {
- exec.setVariable(name, new Var(value));
- }
+ break;
+ case SHORT:
+ Short shortValue = (Short) ((ShortObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (shortValue != null) {
+ exec.setVariable(name, new Var(shortValue.longValue()));
}
- else {
- exec.setVariableToNull(name);
+ break;
+ case INT:
+ Integer intValue = (Integer) ((IntObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (intValue != null) {
+ exec.setVariable(name, new Var(intValue.longValue()));
+ }
+ break;
+ case LONG:
+ Long longValue = (Long) ((LongObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (longValue != null) {
+ exec.setVariable(name, new Var(longValue));
+ }
+ break;
+ case FLOAT:
+ Float floatValue = (Float) ((FloatObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (floatValue != null) {
+ exec.setVariable(name, new Var(floatValue.doubleValue()));
+ }
+ break;
+ case DOUBLE:
+ Double doubleValue = (Double) ((DoubleObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (doubleValue != null) {
+ exec.setVariable(name, new Var(doubleValue));
+ }
+ break;
+ case STRING:
+ String strValue = ((StringObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (strValue != null) {
+ exec.setVariable(name, strValue);
+ }
+ break;
+ case DATE:
+ Date dateValue = ((DateObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (dateValue != null) {
+ exec.setVariable(name, new
Var(java.sql.Date.valueOf(dateValue.toString())));
+ }
+ break;
+ case TIMESTAMP:
+ Timestamp timestampValue = ((TimestampObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (timestampValue != null) {
+ java.sql.Timestamp timestamp =
java.sql.Timestamp.valueOf(timestampValue.toString());
+ timestamp.setNanos(timestampValue.getNanos());
+ exec.setVariable(name, new Var(timestamp, 0));
+ }
+ break;
+ case DECIMAL:
+ HiveDecimal decimalValue = ((HiveDecimalObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (decimalValue != null) {
+ exec.setVariable(name, new Var(decimalValue.bigDecimalValue()));
+ }
+ break;
+ case VARCHAR:
+ HiveVarchar varcharValue = ((HiveVarcharObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (varcharValue != null) {
+ exec.setVariable(name, varcharValue.getValue());
+ }
+ break;
+ case CHAR:
+ HiveChar charValue = ((HiveCharObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (charValue != null) {
+ exec.setVariable(name, charValue.getStrippedValue());
Review Comment:
Should the valued be wrapped in a Var instance?
##########
itests/hive-unit/src/test/java/org/apache/hive/beeline/TestHplSqlViaBeeLine.java:
##########
@@ -171,17 +171,197 @@ public void testPackage() throws Throwable {
"SELECT * FROM result;\n";
testScriptFile(SCRIPT_TEXT, args(), "12345");
}
-
+
@Test
- public void testUdf() throws Throwable {
+ public void testUdfBoolean() throws Throwable {
String SCRIPT_TEXT =
- "DROP TABLE IF EXISTS result;\n" +
- "CREATE TABLE result (s string);\n" +
- "INSERT INTO result VALUES('alice');\n" +
- "INSERT INTO result VALUES('bob');\n" +
- "CREATE FUNCTION hello(p STRING) RETURNS STRING BEGIN
RETURN 'hello ' || p; END;\n" +
- "SELECT hello(s) FROM result;\n";
- testScriptFile(SCRIPT_TEXT, args(), "hello alice.*hello bob");
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_b boolean);\n" +
+ "INSERT INTO result VALUES(true);\n" +
+ "INSERT INTO result VALUES(false);\n" +
+ "CREATE FUNCTION check(b boolean)\n" +
+ " RETURNS STRING\n" +
+ "BEGIN\n" +
+ " RETURN 'This is ' || b;\n" +
+ "END;\n" +
+ "SELECT check(col_b) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "This is true.*This is false");
+ }
+
+ @Test
+ public void testUdfSmallInt() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_s smallint);\n" +
+ "INSERT INTO result VALUES(123);\n" +
+ "INSERT INTO result VALUES(321);\n" +
+ "CREATE FUNCTION dbl(s smallint)\n" +
+ " RETURNS smallint\n" +
+ "BEGIN\n" +
+ " RETURN s + s;\n" +
+ "END;\n" +
+ "SELECT dbl(col_s) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "246.*642");
+ }
+
+ @Test
+ public void testUdfInt() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_i int);\n" +
+ "INSERT INTO result VALUES(12345);\n" +
+ "INSERT INTO result VALUES(54321);\n" +
+ "CREATE FUNCTION dbl(i int)\n" +
+ " RETURNS int\n" +
+ "BEGIN\n" +
+ " RETURN i * 2;\n" +
+ "END;\n" +
+ "SELECT dbl(col_i) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "24690.*108642");
+ }
+
+ @Test
+ public void testUdfBigInt() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_b bigint);\n" +
+ "INSERT INTO result VALUES(123456789);\n" +
+ "INSERT INTO result VALUES(987654321);\n" +
+ "CREATE FUNCTION dbl(b bigint)\n" +
+ " RETURNS int8\n" +
+ "BEGIN\n" +
+ " RETURN b * 2;\n" +
+ "END;\n" +
+ "SELECT dbl(col_b) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "246913578.*1975308642");
+ }
+
+ @Test
+ public void testUdfFloat() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_f float);\n" +
+ "INSERT INTO result VALUES(12345.6789);\n" +
+ "INSERT INTO result VALUES(98765.4321);\n" +
+ "CREATE FUNCTION dbl(f float)\n" +
+ " RETURNS float\n" +
+ "BEGIN\n" +
+ " RETURN f * 2;\n" +
+ "END;\n" +
+ "SELECT dbl(col_f) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "24691.357421875.*197530.859375");
+ }
+
+ @Test
+ public void testUdfDouble() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_d double);\n" +
+ "INSERT INTO result VALUES(123456789.12);\n" +
+ "INSERT INTO result VALUES(987654321.98);\n" +
+ "CREATE FUNCTION dbl(d float)\n" +
+ " RETURNS double\n" +
+ "BEGIN\n" +
+ " RETURN d * 2;\n" +
+ "END;\n" +
+ "SELECT dbl(col_d) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "2.4691357824E8.*1.97530864396E9");
+ }
+
+ @Test
+ public void testUdfString() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_s string);\n" +
+ "INSERT INTO result VALUES('Alice');\n" +
+ "INSERT INTO result VALUES('Smith');\n" +
+ "CREATE FUNCTION hello(s string)\n" +
+ " RETURNS string\n" +
+ "BEGIN\n" +
+ " RETURN 'Hello ' || s || '!';\n" +
+ "END;\n" +
+ "SELECT hello(col_s) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "Hello Alice!.*Hello Smith!");
+ }
+
+ @Test
+ public void testUdfDate() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_d date);\n" +
+ "INSERT INTO result VALUES('2022-11-24');\n" +
+ "INSERT INTO result VALUES('2022-12-25');\n" +
+ "CREATE FUNCTION date_today(d date)\n" +
+ " RETURNS date\n" +
+ "BEGIN\n" +
+ " RETURN d;\n" +
+ "END;\n" +
+ "SELECT date_today(col_d) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "2022-11-24.*2022-12-25");
+ }
+
+ @Test
+ public void testUdfTimestamp() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_t timestamp);\n" +
+ "INSERT INTO result VALUES('2022-11-24 10:20:30');\n" +
+ "INSERT INTO result VALUES('2022-12-25 06:30:30');\n" +
+ "CREATE FUNCTION time_today(t timestamp)\n" +
+ " RETURNS timestamp\n" +
+ "BEGIN\n" +
+ " RETURN t;\n" +
+ "END;\n" +
+ "SELECT time_today(col_t) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "2022-11-24 10:20:30.*2022-12-25
06:30:30");
+ }
+
+ @Test
+ public void testUdfDecimal() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_d decimal(15,2));\n" +
+ "INSERT INTO result VALUES(123456789.98);\n" +
+ "INSERT INTO result VALUES(987654321.12);\n" +
+ "CREATE FUNCTION triple(d decimal(15,2))\n" +
+ " RETURNS decimal(15,2)\n" +
+ "BEGIN\n" +
+ " RETURN d * 3;\n" +
+ "END;\n" +
+ "SELECT triple(col_d) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "370370369.94.*2962962963.36");
+ }
+
+ @Test
+ public void testUdfVarchar() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_v varchar(20));\n" +
+ "INSERT INTO result VALUES('Smith');\n" +
+ "INSERT INTO result VALUES('Sachin');\n" +
+ "CREATE FUNCTION hello(v varchar(20))\n" +
+ " RETURNS varchar(20)\n" +
+ "BEGIN\n" +
+ " RETURN 'Hello ' || v || '!';\n" +
+ "END;\n" +
+ "SELECT hello(col_v) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "Hello Smith!.*Hello Sachin!");
+ }
+
+ @Test
+ public void testUdfChar() throws Throwable {
+ String SCRIPT_TEXT =
+ "DROP TABLE IF EXISTS result;\n" +
+ "CREATE TABLE result (col_c char(10));\n" +
+ "INSERT INTO result VALUES('Daya');\n" +
+ "INSERT INTO result VALUES('Alice');\n" +
+ "CREATE FUNCTION hello(c char(10))\n" +
+ " RETURNS char(10)\n" +
+ "BEGIN\n" +
+ " RETURN 'Hello ' || c || '!';\n" +
+ "END;\n" +
+ "SELECT hello(col_c) FROM result;\n";
+ testScriptFile(SCRIPT_TEXT, args(), "Hello Daya!.*Hello Alice!");
}
Review Comment:
What (should) happen when the udf formal parameter type and the actual
parameter parameter type is different?
Could you please add tests to cover that?
Ex.:
```
CREATE TABLE result (col_c int);
...
CREATE FUNCTION hello(i smallint)
...
```
```
CREATE TABLE result (col_c date);
...
CREATE FUNCTION hello(i double)
...
```
##########
hplsql/src/main/java/org/apache/hive/hplsql/udf/Udf.java:
##########
@@ -128,27 +127,96 @@ public Object evaluate(DeferredObject[] arguments) throws
HiveException {
void setParameters(DeferredObject[] arguments) throws HiveException {
for (int i = 1; i < arguments.length; i++) {
String name = ":" + i;
- if (argumentsOI[i] instanceof StringObjectInspector) {
- String value =
((StringObjectInspector)argumentsOI[i]).getPrimitiveJavaObject(arguments[i].get());
- if (value != null) {
- exec.setVariable(name, value);
- }
+ Object inputObject = arguments[i].get();
+ ObjectInspector objectInspector = argumentsOI[i];
+ if (objectInspector.getCategory() == ObjectInspector.Category.PRIMITIVE)
{
+ setParameterForPrimitiveTypeArgument(name, inputObject,
objectInspector);
+ } else {
+ exec.setVariableToNull(name);
}
- else if (argumentsOI[i] instanceof IntObjectInspector) {
- Integer value =
(Integer)((IntObjectInspector)argumentsOI[i]).getPrimitiveJavaObject(arguments[i].get());
- if (value != null) {
- exec.setVariable(name, new Var(new Long(value)));
- }
+ }
+ }
+
+ private void setParameterForPrimitiveTypeArgument(String name, Object
inputObject, ObjectInspector objectInspector) {
+ PrimitiveObjectInspector.PrimitiveCategory primitiveCategory =
+ ((PrimitiveObjectInspector) objectInspector).getPrimitiveCategory();
+ switch (primitiveCategory) {
+ case BOOLEAN:
+ Boolean booleanValue = (Boolean) ((BooleanObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (booleanValue != null) {
+ exec.setVariable(name, new Var(booleanValue));
}
- else if (argumentsOI[i] instanceof LongObjectInspector) {
- Long value =
(Long)((LongObjectInspector)argumentsOI[i]).getPrimitiveJavaObject(arguments[i].get());
- if (value != null) {
- exec.setVariable(name, new Var(value));
- }
+ break;
+ case SHORT:
+ Short shortValue = (Short) ((ShortObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (shortValue != null) {
+ exec.setVariable(name, new Var(shortValue.longValue()));
}
- else {
- exec.setVariableToNull(name);
+ break;
+ case INT:
+ Integer intValue = (Integer) ((IntObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (intValue != null) {
+ exec.setVariable(name, new Var(intValue.longValue()));
+ }
+ break;
+ case LONG:
+ Long longValue = (Long) ((LongObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (longValue != null) {
+ exec.setVariable(name, new Var(longValue));
+ }
+ break;
+ case FLOAT:
+ Float floatValue = (Float) ((FloatObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (floatValue != null) {
+ exec.setVariable(name, new Var(floatValue.doubleValue()));
+ }
+ break;
+ case DOUBLE:
+ Double doubleValue = (Double) ((DoubleObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (doubleValue != null) {
+ exec.setVariable(name, new Var(doubleValue));
+ }
+ break;
+ case STRING:
+ String strValue = ((StringObjectInspector)
objectInspector).getPrimitiveJavaObject(inputObject);
+ if (strValue != null) {
+ exec.setVariable(name, strValue);
Review Comment:
Should the valued be wrapped in a `Var` instance?
Issue Time Tracking
-------------------
Worklog Id: (was: 829246)
Time Spent: 1h (was: 50m)
> HPLSQL UDF is not working if it is applied on a column of type
> varchar/char/decimal in a table.
> -----------------------------------------------------------------------------------------------
>
> Key: HIVE-26768
> URL: https://issues.apache.org/jira/browse/HIVE-26768
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Dayakar M
> Assignee: Dayakar M
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> HPLSQL UDF is not working if it is applied on a column of type
> varchar/char/decimal in a table.
> For example:
> {code:java}
> CREATE TABLE result (s varchar(20));
> INSERT INTO result VALUES('alice');
> INSERT INTO result VALUES('bob');
> CREATE FUNCTION hello(p string)
> RETURNS STRING
> BEGIN
> RETURN 'Hello, ' || p;
> END;
> SELECT hello(s) FROM result; {code}
>
> --> It should return below
> {code:java}
> +----------------+
> | _c0 |
> +----------------+
> | Hello, alice |
> | Hello, bob |
> +----------------+
> {code}
>
> But actual result is
> {code:java}
> +----------------+
> | _c0 |
> +----------------+
> | Hello, |
> | Hello, |
> +----------------+
> {code}
>
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