From ea4a0387052281bae3cfab2e67fe734a85442fd1 Mon Sep 17 00:00:00 2001 From: Syed Albiz Date: Mon, 13 Jun 2011 13:03:34 -0700 Subject: [PATCH 1/1] Add BigInt constant tokenization diff --git ql/src/java/org/apache/hadoop/hive/ql/exec/UnionOperator.java ql/src/java/org/apache/hadoop/hive/ql/exec/UnionOperator.java index 2462517..b36f481 100644 --- ql/src/java/org/apache/hadoop/hive/ql/exec/UnionOperator.java +++ ql/src/java/org/apache/hadoop/hive/ql/exec/UnionOperator.java @@ -74,7 +74,7 @@ public class UnionOperator extends Operator implements Serializable { // Get outputFieldOIs columnTypeResolvers = new ReturnObjectInspectorResolver[columns]; for (int c = 0; c < columns; c++) { - columnTypeResolvers[c] = new ReturnObjectInspectorResolver(); + columnTypeResolvers[c] = new ReturnObjectInspectorResolver(true); } for (int p = 0; p < parents; p++) { diff --git ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java index ec816e9..f2c73dc 100644 --- ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java +++ ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java @@ -5918,7 +5918,10 @@ public class SemanticAnalyzer extends BaseSemanticAnalyzer { getPositionFromInternalName(rInfo.getInternalName()) + ". Column positions should match for a UNION")); } - if (!lInfo.getType().getTypeName().equals(rInfo.getType().getTypeName())) { + //try widening coversion, otherwise fail union + TypeInfo commonTypeInfo = FunctionRegistry.getCommonClassForComparison(lInfo.getType(), + rInfo.getType()); + if (commonTypeInfo == null) { throw new SemanticException(generateErrorMessage(tabref, "Schema of both sides of union should match: Column " + field + " is of type " + lInfo.getType().getTypeName() @@ -5932,6 +5935,9 @@ public class SemanticAnalyzer extends BaseSemanticAnalyzer { for (Map.Entry lEntry : leftmap.entrySet()) { String field = lEntry.getKey(); ColumnInfo lInfo = lEntry.getValue(); + ColumnInfo rInfo = rightmap.get(field); + lInfo.setType(FunctionRegistry.getCommonClassForComparison(lInfo.getType(), + rInfo.getType())); unionoutRR.put(unionalias, field, lInfo); } diff --git ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFCoalesce.java ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFCoalesce.java index f46c16c..91139ff 100644 --- ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFCoalesce.java +++ ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFCoalesce.java @@ -42,7 +42,7 @@ public class GenericUDFCoalesce extends GenericUDF { argumentOIs = arguments; - returnOIResolver = new GenericUDFUtils.ReturnObjectInspectorResolver(); + returnOIResolver = new GenericUDFUtils.ReturnObjectInspectorResolver(true); for (int i = 0; i < arguments.length; i++) { if (!returnOIResolver.update(arguments[i])) { throw new UDFArgumentTypeException(i, diff --git ql/src/test/queries/clientnegative/udf_coalesce.q ql/src/test/queries/clientnegative/udf_coalesce.q index 6d8da79..7405e38 100644 --- ql/src/test/queries/clientnegative/udf_coalesce.q +++ ql/src/test/queries/clientnegative/udf_coalesce.q @@ -1 +1 @@ -SELECT COALESCE(1, 2.0) FROM src LIMIT 1; +SELECT COALESCE(array('a', 'b'), '2.0') FROM src LIMIT 1; diff --git ql/src/test/queries/clientnegative/union2.q ql/src/test/queries/clientnegative/union2.q index 403d19d..38db488 100644 --- ql/src/test/queries/clientnegative/union2.q +++ ql/src/test/queries/clientnegative/union2.q @@ -1,6 +1,6 @@ -create table if not exists union2_t1(r string, c string, v string); +create table if not exists union2_t1(r string, c string, v array); create table if not exists union2_t2(s string, c string, v string); explain diff --git ql/src/test/queries/clientpositive/type_widening.q ql/src/test/queries/clientpositive/type_widening.q new file mode 100644 index 0000000..0d36bc4 --- /dev/null +++ ql/src/test/queries/clientpositive/type_widening.q @@ -0,0 +1,6 @@ +-- Check for int, bigint automatic type widening conversions in UDFs, UNIONS +EXPLAIN SELECT COALESCE(0, 9223372036854775807) FROM src LIMIT 1; +SELECT COALESCE(0, 9223372036854775807) FROM src LIMIT 1; + +EXPLAIN SELECT * FROM (SELECT 0 AS numcol FROM src UNION ALL SELECT 9223372036854775807 AS numcol FROM src) a ORDER BY numcol; +SELECT * FROM (SELECT 0 AS numcol FROM src UNION ALL SELECT 9223372036854775807 AS numcol FROM src) a ORDER BY numcol; diff --git ql/src/test/results/clientnegative/udf_coalesce.q.out ql/src/test/results/clientnegative/udf_coalesce.q.out index a4c3cab..10c72b6 100644 --- ql/src/test/results/clientnegative/udf_coalesce.q.out +++ ql/src/test/results/clientnegative/udf_coalesce.q.out @@ -1 +1 @@ -FAILED: Error in semantic analysis: Line 1:19 Argument type mismatch '2.0': The expressions after COALESCE should all have the same type: "int" is expected but "double" is found +FAILED: Error in semantic analysis: Line 1:33 Argument type mismatch ''2.0'': The expressions after COALESCE should all have the same type: "array" is expected but "string" is found diff --git ql/src/test/results/clientnegative/union2.q.out ql/src/test/results/clientnegative/union2.q.out index 16cfe03..12ecf65 100644 --- ql/src/test/results/clientnegative/union2.q.out +++ ql/src/test/results/clientnegative/union2.q.out @@ -1,6 +1,6 @@ -PREHOOK: query: create table if not exists union2_t1(r string, c string, v string) +PREHOOK: query: create table if not exists union2_t1(r string, c string, v array) PREHOOK: type: CREATETABLE -POSTHOOK: query: create table if not exists union2_t1(r string, c string, v string) +POSTHOOK: query: create table if not exists union2_t1(r string, c string, v array) POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@union2_t1 PREHOOK: query: create table if not exists union2_t2(s string, c string, v string) @@ -8,4 +8,4 @@ PREHOOK: type: CREATETABLE POSTHOOK: query: create table if not exists union2_t2(s string, c string, v string) POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@union2_t2 -FAILED: Error in semantic analysis: 8:47 Schema of both sides of union should match: Column v is of type string on first table and type double on second table. Error encountered near token 'union2_t2' +FAILED: Error in semantic analysis: 8:47 Schema of both sides of union should match: Column v is of type array on first table and type double on second table. Error encountered near token 'union2_t2' diff --git ql/src/test/results/clientpositive/type_widening.q.out ql/src/test/results/clientpositive/type_widening.q.out new file mode 100644 index 0000000..89cca6c --- /dev/null +++ ql/src/test/results/clientpositive/type_widening.q.out @@ -0,0 +1,1130 @@ +PREHOOK: query: -- Check for int, bigint automatic type widening conversions in UDFs, UNIONS +EXPLAIN SELECT COALESCE(0, 9223372036854775807) FROM src LIMIT 1 +PREHOOK: type: QUERY +POSTHOOK: query: -- Check for int, bigint automatic type widening conversions in UDFs, UNIONS +EXPLAIN SELECT COALESCE(0, 9223372036854775807) FROM src LIMIT 1 +POSTHOOK: type: QUERY +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION COALESCE 0 9223372036854775807))) (TOK_LIMIT 1))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + src + TableScan + alias: src + Select Operator + expressions: + expr: COALESCE(0,9223372036854775807) + type: bigint + outputColumnNames: _col0 + Limit + File Output Operator + compressed: false + GlobalTableId: 0 + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + + Stage: Stage-0 + Fetch Operator + limit: 1 + + +PREHOOK: query: SELECT COALESCE(0, 9223372036854775807) FROM src LIMIT 1 +PREHOOK: type: QUERY +PREHOOK: Input: default@src +PREHOOK: Output: file:/var/folders/5V/5V4Zq77qGD4aSK9m8V3frVsFdRU/-Tmp-/salbiz/hive_2011-06-15_19-30-42_929_4856362252207242381/-mr-10000 +POSTHOOK: query: SELECT COALESCE(0, 9223372036854775807) FROM src LIMIT 1 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@src +POSTHOOK: Output: file:/var/folders/5V/5V4Zq77qGD4aSK9m8V3frVsFdRU/-Tmp-/salbiz/hive_2011-06-15_19-30-42_929_4856362252207242381/-mr-10000 +0 +PREHOOK: query: EXPLAIN SELECT * FROM (SELECT 0 AS numcol FROM src UNION ALL SELECT 9223372036854775807 AS numcol FROM src) a ORDER BY numcol +PREHOOK: type: QUERY +POSTHOOK: query: EXPLAIN SELECT * FROM (SELECT 0 AS numcol FROM src UNION ALL SELECT 9223372036854775807 AS numcol FROM src) a ORDER BY numcol +POSTHOOK: type: QUERY +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_UNION (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR 0 numcol)))) (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR 9223372036854775807 numcol))))) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL numcol))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + null-subquery1:a-subquery1:src + TableScan + alias: src + Select Operator + expressions: + expr: 0 + type: int + outputColumnNames: _col0 + Union + Select Operator + expressions: + expr: _col0 + type: bigint + outputColumnNames: _col0 + Reduce Output Operator + key expressions: + expr: _col0 + type: bigint + sort order: + + tag: -1 + value expressions: + expr: _col0 + type: bigint + null-subquery2:a-subquery2:src + TableScan + alias: src + Select Operator + expressions: + expr: 9223372036854775807 + type: bigint + outputColumnNames: _col0 + Union + Select Operator + expressions: + expr: _col0 + type: bigint + outputColumnNames: _col0 + Reduce Output Operator + key expressions: + expr: _col0 + type: bigint + sort order: + + tag: -1 + value expressions: + expr: _col0 + type: bigint + Reduce Operator Tree: + Extract + File Output Operator + compressed: false + GlobalTableId: 0 + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: 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