mirror of
https://github.com/apache/impala.git
synced 2025-12-31 15:00:10 -05:00
0d2919fe7f
This patch cleans up analysis and execution of scalar and aggregate functions so that there is no difference between how builtins and user functions are handled. The only difference is that the catalog is populated with the builtins all the time. The BE always gets a TFunction object and just executes it (builtins will have an empty hdfs file location). This removes the opcode registry and all of the functionality is subsumed by the catalog, most of which was already duplicated there anyway. This also introduces the concept of a system database; databases that the user cannot modify and is populated automatically on startup. Change-Id: Iaa3f84dad0a1a57691f5c7d8df7305faf01d70ed Reviewed-on: http://gerrit.ent.cloudera.com:8080/1386 Reviewed-by: Nong Li <nong@cloudera.com> Tested-by: jenkins Reviewed-on: http://gerrit.ent.cloudera.com:8080/1577
94 lines
1.2 KiB
Plaintext
94 lines
1.2 KiB
Plaintext
====
|
|
---- QUERY
|
|
select udf_test.hive_pi()
|
|
---- RESULTS
|
|
3.141592653589793
|
|
---- TYPES
|
|
DOUBLE
|
|
====
|
|
---- QUERY
|
|
select udf_test.hive_bin(100)
|
|
---- RESULTS
|
|
'1100100'
|
|
---- TYPES
|
|
STRING
|
|
====
|
|
---- QUERY
|
|
select udf_test.hive_trim(NULL)
|
|
---- RESULTS
|
|
'NULL'
|
|
---- TYPES
|
|
STRING
|
|
====
|
|
---- QUERY
|
|
select min(udf_test.hive_pi()) from functional.alltypesagg
|
|
---- RESULTS
|
|
3.141592653589793
|
|
---- TYPES
|
|
DOUBLE
|
|
====
|
|
# Test identity functions
|
|
---- QUERY
|
|
select udf_test.identity(true);
|
|
---- TYPES
|
|
boolean
|
|
---- RESULTS
|
|
true
|
|
====
|
|
---- QUERY
|
|
select udf_test.identity(cast(10 as tinyint));
|
|
---- TYPES
|
|
tinyint
|
|
---- RESULTS
|
|
10
|
|
====
|
|
---- QUERY
|
|
select udf_test.identity(cast(10 as smallint));
|
|
---- TYPES
|
|
smallint
|
|
---- RESULTS
|
|
10
|
|
====
|
|
---- QUERY
|
|
select udf_test.identity(cast(10 as int));
|
|
---- TYPES
|
|
int
|
|
---- RESULTS
|
|
10
|
|
====
|
|
---- QUERY
|
|
select udf_test.identity(cast(10 as bigint));
|
|
---- TYPES
|
|
bigint
|
|
---- RESULTS
|
|
10
|
|
====
|
|
---- QUERY
|
|
select udf_test.identity(cast(10.0 as float));
|
|
---- TYPES
|
|
float
|
|
---- RESULTS
|
|
10
|
|
====
|
|
---- QUERY
|
|
select udf_test.identity(cast(10.0 as double));
|
|
---- TYPES
|
|
double
|
|
---- RESULTS
|
|
10
|
|
====
|
|
---- QUERY
|
|
select udf_test.identity("why hello there");
|
|
---- TYPES
|
|
string
|
|
---- RESULTS
|
|
'why hello there'
|
|
====
|
|
---- QUERY
|
|
select udf_test.identity(NULL);
|
|
---- TYPES
|
|
boolean
|
|
---- RESULTS
|
|
NULL
|
|
====
|