[Fix](orc-reader) Fix orc decimal128 scale issue. (#25977)

docker/thirdparties/docker-compose/hive/scripts/create_preinstalled_table.hql

@@ -1743,5 +1743,24 @@ LOCATION
 
 msck repair table parquet_timestamp_nanos;
 
+CREATE TABLE `orc_decimal_table`(
+ id INT,
+ decimal_col1 DECIMAL(8, 4),
+ decimal_col2 DECIMAL(18, 6),
+ decimal_col3 DECIMAL(38, 12),
+ decimal_col4 DECIMAL(9, 0),
+ decimal_col5 DECIMAL(27, 9),
+ decimal_col6 DECIMAL(9, 0))
+ROW FORMAT SERDE
+ 'org.apache.hadoop.hive.ql.io.orc.OrcSerde'
+STORED AS INPUTFORMAT
+ 'org.apache.hadoop.hive.ql.io.orc.OrcInputFormat'
+OUTPUTFORMAT
+ 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat'
+LOCATION
+ '/user/doris/preinstalled_data/orc_table/orc_decimal_table';
+
+msck repair table orc_decimal_table;
+
 
 show tables;

regression-test/data/external_table_p0/hive/test_hive_orc.out

@@ -83,6 +83,24 @@ tablets tinyint_col 179 182 182 187 183 181 177 183 177 187 183 202 202 186 528
 -- !only_partition_col --
 3600 3600
 
+-- !decimals1 --
+1 1.1234 12.123456 123.123456789876 12 1234.123456789 123
+2 1234.1234 123456789123.123456 12345678912345678912345678.123456789876 123456789 123456789123456789.123456780 987654321
+3 1234.0000 123456789123.000000 12345678912345678912345678.000000000000 123456789 123456789123456789.000000000 987654321
+4 0.0000 0.000000 123.123456789876 12 0E-9 123
+5 1.1234 12.123456 0E-12 0 1234.123456789 0
+
+-- !decimals2 --
+3 1234.0000 123456789123.000000 12345678912345678912345678.000000000000 123456789 123456789123456789.000000000 987654321
+
+-- !decimals3 --
+1 1.1234 12.123456 123.123456789876 12 1234.123456789 123
+2 1234.1234 123456789123.123456 12345678912345678912345678.123456789876 123456789 123456789123456789.123456780 987654321
+
+-- !decimals4 --
+4 0.0000 0.000000 123.123456789876 12 0E-9 123
+5 1.1234 12.123456 0E-12 0 1234.123456789 0
+
 -- !select_top50 --
 4 55 999742610 400899305488827731 false 6.5976813E8 7.8723304616937395E17 \N base tennis pit vertical friday 2022-08-19T07:29:58 \N tablets smallint_col 2019-02-07 [7.53124931825377e+17] ["NbSSBtwzpxNSkkwga"] tablets smallint_col
 2 49 999613702 105493714032727452 \N 6.3322381E8 9.8642324410240179E17 Unveil bright recruit participate. Suspect impression camera mathematical revelation. Fault live2 elbow debt west hydrogen current. how literary 2022-09-03T17:20:21 481707.1065 tablets boolean_col 2020-01-12 [] ["HoMrAnn", "wteEFvIwoZsVpVQdscMb", NULL, "zcGFmv", "kGEBBckbMtX", "hrEtCGFdPWZK"] tablets boolean_col

regression-test/suites/external_table_p0/hive/test_hive_orc.groovy

@@ -66,6 +66,14 @@ suite("test_hive_orc", "all_types,p0,external,hive,external_docker,external_dock
  qt_only_partition_col """select count(p1_col), count(p2_col) from orc_all_types;"""
  }
 
+ // decimals
+ def decimals = {
+ qt_decimals1 """select * from orc_decimal_table order by id;"""
+ qt_decimals2 """select * from orc_decimal_table where id = 3 order by id;"""
+ qt_decimals3 """select * from orc_decimal_table where id < 3 order by id;"""
+ qt_decimals4 """select * from orc_decimal_table where id > 3 order by id;"""
+ }
+
  String enabled = context.config.otherConfigs.get("enableHiveTest")
  if (enabled != null && enabled.equalsIgnoreCase("true")) {
  try {
@@ -86,6 +94,7 @@ suite("test_hive_orc", "all_types,p0,external,hive,external_docker,external_dock
  search_in_int()
  search_mix()
  only_partition_col()
+ decimals()
 
  sql """drop catalog if exists ${catalog_name}"""
 
@@ -103,3 +112,4 @@ suite("test_hive_orc", "all_types,p0,external,hive,external_docker,external_dock
  }
  }
 }
+