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Merge pull request #52135 from ucasfl/alias
Add array_agg as alias of groupArray for PostgreSQL compatibility
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commit
9e7361a0f6
@ -44,3 +44,5 @@ Result:
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```
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The groupArray function will remove ᴺᵁᴸᴸ value based on the above results.
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- Alias: `array_agg`.
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@ -125,6 +125,7 @@ void registerAggregateFunctionGroupArray(AggregateFunctionFactory & factory)
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AggregateFunctionProperties properties = { .returns_default_when_only_null = false, .is_order_dependent = true };
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factory.registerFunction("groupArray", { createAggregateFunctionGroupArray<false>, properties });
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factory.registerAlias("array_agg", "groupArray", AggregateFunctionFactory::CaseInsensitive);
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factory.registerFunction("groupArraySample", { createAggregateFunctionGroupArraySample, properties });
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factory.registerFunction("groupArrayLast", { createAggregateFunctionGroupArray<true>, properties });
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}
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6
tests/queries/0_stateless/02813_array_agg.reference
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6
tests/queries/0_stateless/02813_array_agg.reference
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@ -0,0 +1,6 @@
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['hello, world!','hello, world!','hello, world!','hello, world!','hello, world!']
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['hello, world!']
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['hello, world!']
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['hello, world!']
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['hello, world!']
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['hello, world!']
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10
tests/queries/0_stateless/02813_array_agg.sql
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10
tests/queries/0_stateless/02813_array_agg.sql
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@ -0,0 +1,10 @@
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drop table if exists t;
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create table t (n Int32, s String) engine=MergeTree order by n;
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insert into t select number, 'hello, world!' from numbers (5);
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select array_agg(s) from t;
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select aRray_Agg(s) from t group by n;
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drop table t;
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