misc: Add lookup cast in standard function resolution (#26657)

## Description
cast function is special as it needs to specify both input and output
types, hence cannot use the existing lookupBuiltInFunction API. Add the
lookupCast API in this PR

## Motivation and Context
See description

## Impact
See description

## Test Plan
Unit test

## Contributor checklist

- [ ] Please make sure your submission complies with our [contributing
guide](https://github.com/prestodb/presto/blob/master/CONTRIBUTING.md),
in particular [code
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and [commit
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- [ ] PR description addresses the issue accurately and concisely. If
the change is non-trivial, a GitHub Issue is referenced.
- [ ] Documented new properties (with its default value), SQL syntax,
functions, or other functionality.
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- [ ] Adequate tests were added if applicable.
- [ ] CI passed.
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## Release Notes
Please follow [release notes
guidelines](https://github.com/prestodb/presto/wiki/Release-Notes-Guidelines)
and fill in the release notes below.


```
== NO RELEASE NOTE ==
```

Author: feilong-liu

presto-main-base/src/main/java/com/facebook/presto/sql/relational/FunctionResolution.java

@@ -148,6 +148,12 @@ public boolean isCastFunction(FunctionHandle functionHandle)
         return functionAndTypeResolver.getFunctionMetadata(functionHandle).getOperatorType().equals(Optional.of(OperatorType.CAST));
     }
 
+    @Override
+    public FunctionHandle lookupCast(String castType, Type fromType, Type toType)
+    {
+        return functionAndTypeResolver.lookupCast(castType, fromType, toType);
+    }
+
     public boolean isTryCastFunction(FunctionHandle functionHandle)
     {
         return functionAndTypeResolver.getFunctionMetadata(functionHandle).getName().equals(QualifiedObjectName.valueOf(JAVA_BUILTIN_NAMESPACE, "TRY_CAST"));

presto-main-base/src/test/java/com/facebook/presto/sql/relational/TestFunctionResolution.java

@@ -37,6 +37,7 @@
 import static com.facebook.presto.common.type.BooleanType.BOOLEAN;
 import static com.facebook.presto.common.type.DoubleType.DOUBLE;
 import static com.facebook.presto.common.type.TypeSignature.parseTypeSignature;
+import static com.facebook.presto.common.type.VarcharType.VARCHAR;
 import static com.facebook.presto.metadata.FunctionAndTypeManager.createTestFunctionAndTypeManager;
 import static com.facebook.presto.spi.function.FunctionImplementationType.THRIFT;
 import static com.facebook.presto.spi.function.FunctionVersion.notVersioned;
@@ -96,6 +97,9 @@ public void testStandardFunctionResolution()
         // full qualified name
         assertEquals(standardFunctionResolution.notFunction(), standardFunctionResolution.lookupFunction("presto", "default", "not", ImmutableList.of(BOOLEAN)));
         assertEquals(standardFunctionResolution.countFunction(), standardFunctionResolution.lookupFunction("presto", "default", "count", ImmutableList.of()));
+
+        // lookup cast
+        assertTrue(standardFunctionResolution.isCastFunction(standardFunctionResolution.lookupCast("CAST", BIGINT, VARCHAR)));
     }
 
     @Test

presto-spi/src/main/java/com/facebook/presto/spi/function/StandardFunctionResolution.java

@@ -60,6 +60,8 @@ public interface StandardFunctionResolution
 
     boolean isCastFunction(FunctionHandle functionHandle);
 
+    FunctionHandle lookupCast(String castType, Type fromType, Type toType);
+
     boolean isCountFunction(FunctionHandle functionHandle);
 
     boolean isCountIfFunction(FunctionHandle functionHandle);